BIRK

BIRK

BIRK

Letters With This Ticker

Quarter	Letter Date	Fund Name	QTD	YTD	Tickers	Keywords/Themes	Theme Commentary	Pitches	Letter
2025 Q2	Aug 18, 2025	Baron Partners Fund	12.1%	-7.5%	ACGL, BIRK, CSGP, FDS, GLPI, GWRE, H, HEI, IDXX, IRDM, IT, MSCI, MTN, RRR, SCHW, SPOT, TSLA	Concentration, growth, Leverage, mid cap, technology	Tesla remains the Fund's largest position at 30.5% after meaningful rebound. The company completed limited commercial rollout of robotaxi business in Austin, introduced refreshed Model Y globally with design and performance upgrades, and is progressing toward scaling humanoid robot production.		View
2025 Q2	Jul 31, 2025	Baron Focused Growth Fund	12.7%	3.7%	ABNB, ACGL, ANSYS, BIRK, CHH, CSGP, DEI, FDS, FIGS, GWRE, H, IBKR, IDXX, IOT, IRDM, JEF, LVS, LYV, MSCI, MTN, ONON, RRR, SHOP, SPOT, TOL, TSLA, VRSK	Balance Sheets, consumer discretionary, growth, small caps, tariffs, technology	Tesla continues to benefit from sequential acceleration in automotive segment and new lower-cost models expected in 2025. The company's energy storage business is growing and becoming a significant contributor to earnings and margins. Tesla should benefit from its eight-year, $10 billion investment in AI training for autonomous technology.		View
2025 Q2	Jul 22, 2025	Artisan Partners Small Cap Fund	7.3%	-3.6%	BIRK, BWXT, CWAN, FLEX, FRSH, HALO, IOVA, IRTC, LSCC, MDGL, MTSI, SAIA, STVN, TTAN, WING	cash flow, fundamentals, Quality, small caps, Valuation discipline	The letter highlights a challenging environment where speculative stocks outperformed quality businesses. Management remains committed to owning high-quality small-cap companies with strong cash flows and attractive valuations. The outlook favors long-term compounding as fundamentals reassert leadership.	GWRE STVN SVTA BIRK MDGL WING BWXT CWAN IRTC MTSI FLEX	View
2024 Q1	Apr 15, 2024	Baron Partners Fund	13.9%	4.5%	ACGL, BIRK, CSGP, FDS, FIGS, GLPI, GWRE, H, HEI, IDXX, IRDM, IT, MSCI, MTN, RRR, SCHW, SPOT, TSLA	Concentration, growth, insurance, Leverage, mid cap, technology, Tesla	Tesla remains the fund's largest position despite Q1 underperformance. Management believes investor concerns about Chinese competition and pricing pressure are overblown, citing Tesla's superior technology and manufacturing expertise. The fund maintains conviction in Tesla's mission to accelerate sustainable energy transition.	TSLA	View
2024 Q1	Apr 15, 2024	Baron Focused Growth Fund	11.7%	13.2%	ACGL, ANSYS, BIRK, BNTX, CHH, CSGP, DNUT, FIGS, GWRE, H, IBKR, IDXX, ILMN, IRDM, ONON, RRR, SHOP, SPOT, TSLA, VRSK	consumer discretionary, financials, growth, long-term, technology	Tesla remains a core holding despite 29% decline in Q1. The company continues to generate sufficient gross profit to support robust product development including the refreshed Model 3 and Y. Tesla should benefit from its eight-year $10 billion investment in AI training for autonomous technology.		View
2025 Q1	Mar 31, 2025	Baron Focused Growth Fund	-8.0%	-8.0%	ABNB, ACGL, AMH, ANSS, BIRK, CHH, CSGP, DEI, FDS, FIGS, GWRE, H, IBKR, IDXX, ILMN, IRDM, JEF, KKD, LVS, LYV, MSCI, MTN, ONON, RRR, SHOP, SPOT, TSLA, VRSK	AI, consumer discretionary, Electric Vehicles, financials, growth, real estate, software, technology	X.AI Holdings Corp. is developing an AI model to understand the true nature of the universe, launching Grok 3 which demonstrated top scores ahead of other industry-leading AI models. The company opened the Colossus data center with over 100,000 GPUs and recently acquired X (formerly Twitter) to access vast real-time multimodal data from 600 million users. Tesla's AI ambitions include a robotaxi service launching this year and a fast-growing humanoid program that could transform its growth story.		View
2025 Q1	Mar 31, 2025	Platinum International Brands Fund	-6.0%	-6.0%	0700.HK, AMZN, BIRK, EL.PA, GOOGL, HLN.L, ITX.MC, JD, JD.L, META, NESN.SW, PNDORA.CO, V, ZTS	brands, China, consumer, E-Commerce, Luxury, tariffs, technology	The Fund holds significant positions in e-commerce platforms including Amazon and JD.com, which benefited from Chinese tech sector recovery and DeepSeek AI developments.		View
2025 Q4	Feb 8, 2026	Baron Partners Fund	19.1%	24.9%	ACGL, BIRK, CHH, CSGP, FDS, GLPI, GWRE, H, HEI, IDXX, IRDM, IT, LLY, MSCI, MTN, RRR, SCHW, SPOT, TSLA	AI, Concentration, Disruptive Growth, Electric Vehicles, growth, mid cap, Space, technology	The fund holds X.AI Holdings Corp., formed through merger of X and xAI, which developed the Grok AI model. xAI rapidly deployed data centers with 100,000 GPUs and is pioneering a 1-gigawatt training facility. The company is positioned for enduring leadership in the competitive AI field. SpaceX is generating significant value through rapid expansion of Starlink broadband service and established itself as a leading launch provider with reusable technology. The company is making tremendous progress on Starship, the largest most powerful rocket ever flown, representing a significant leap in space exploration capabilities. Tesla remains the fund's largest position by average weight and a top holding despite trimming 30.5% of the position. The fund maintains extreme confidence in Tesla's prospects and ability to become significantly more valuable, with average cost basis of only $14.22 per share. Guidewire Software completed multi-year cloud migration and secured landmark 10-year agreement with Liberty Mutual to migrate to cloud. The company is positioned to be critical software vendor for the $2.5 trillion global P&C insurance industry with cloud as the sole path forward. Spotify continues double-digit user growth despite price hikes, with high engagement and sticky subscription model. The company is structurally increasing gross margins through high-margin artist promotions marketplace, growing podcast contribution, and ongoing advertising investments while expanding into video and developing Super Premium tier.	RRR IDXX SCHW FDS IT GWRE SPOT CSGP H	View
2025 Q4	Feb 4, 2026	Baron Asset Fund	7.9%	8.2%	ACGL, APH, AXON, BAH, BIRK, CSGP, DAY, FICO, GWRE, IDXX, IEX, IT, MTD, RPGN, SPOT, TTD, VEEV, VRSK, WELL	AI, Biotechnology, growth, healthcare, mid cap, software, Space, technology	The fund benefits from AI-related investments including SpaceX's Starlink expansion and xAI's rapid development of Grok AI model with massive GPU deployments. Amphenol maintains significant market share in interconnect solutions within NVIDIA's AI server racks with content expected to increase as speeds and system complexity rise. SpaceX represents the fund's largest position at 12.5% of net assets, generating significant value through rapid expansion of Starlink broadband service and establishing itself as a leading launch provider with reusable technology. The company is making tremendous progress on Starship, the largest most powerful rocket ever flown. Guidewire's cloud migration is largely complete with annual recurring revenue benefiting from new customer wins and migrations to InsuranceSuite Cloud product. The landmark 10-year agreement with Liberty Mutual should help drive adoption among other Tier 1 P&C carriers. Repligen operates in fast-growing end markets including monoclonal antibodies and cell and gene therapies, with strong track record of scientific innovation. The company has opportunity to embed differentiated systems into new drug manufacturing processes as biosimilars come to market.		View
2024 Q4	Dec 31, 2024	Baron Partners Fund	27.0%	32.7%	ACGL, BIRK, CSGP, FDS, GLPI, GWRE, H, HEI, IDXX, IRDM, IT, MSCI, MTN, RRR, SCHW, SPOT, TSLA	Concentration, growth, Leverage, mid cap, SpaceX, technology, Tesla	Tesla appreciated more than 50% in the quarter driven by upcoming product launches, improvements in autonomous driving software, and expectations of regulatory approval under the new administration. The energy business continued to grow with higher margins, and new mass market vehicles are expected to launch in 2025.		View
2024 Q4	Dec 31, 2024	Prosper Stars & Stripes	2.6%	11.7%	ALGM, BE, BELFB, BIRK, CCB, ENS, FTAI, KNF, MIR, NCNO, ORION, PACK, PKX, PRTY, RGLD, SRAD, STAA, TALEN, TEKK	healthcare, industrials, Long/Short, mid cap, small cap, technology			View
2024 Q4	Dec 31, 2024	Platinum International Brands Fund	12.0%	21.0%	AAPL, AMER, AMZN, BIRK, CFR.SW, ELF, GOOGL, HLN.L, ITX.MC, JD.L, META, NIKE, PAN.CO, PUMA.DE, SJP.L, TCOM, ZTS	Beauty, brands, consumer, global, Luxury, Travel	The luxury industry is in recession as the Covid boom has turned to bust, starting with a fall away in the US and European aspirational buyer, followed by a 30% fall in Chinese demand. Despite the downturn, Richemont's jewellery houses continue to grow while most other luxury houses saw declines.		View
2025 Q3	Nov 8, 2025	Baron Partners Fund	13.1%	4.7%	ACGL, BIRK, CHH, CSGP, FDS, GLPI, GWRE, H, HEI, IDXX, IRDM, IT, LLY, MSCI, MTN, SCHW, SPOT, TSLA	Concentration, growth, Leverage, mid cap, technology, Tesla	Tesla remains the fund's largest position with strong quarterly performance driven by renewed automotive demand, improved manufacturing efficiencies, and expansion into robotaxi services. The company is transitioning from hardware sales to high-margin recurring software revenue through Full Self-Driving capabilities.	ANET	View
2025 Q3	Oct 28, 2025	Baron Focused Growth Fund	4.8%	8.6%	ABNB, ACGL, BIRK, CHH, CSGP, DEI, DUOL, FDS, FIGS, GWRE, H, IBKR, IDXX, IOT, IRDM, JEF, LVS, LYV, MSCI, MTN, ONON, RRR, SHOP, SPOT, TOL, TSLA, VRSK	AI, consumer discretionary, Electric Vehicles, growth, portfolio construction, small caps, technology	AI concerns impacted several holdings including FactSet and Verisk, with investors fearing competitive threats to data moats. However, FactSet continues to benefit from AI through revenue enhancements and cost containments. Tesla's AI initiatives advance rapidly with robotaxi network expansion and Full Self-Driving development.		View
2025 Q3	Oct 28, 2025	Baron Discovery Fund	2.8%	10.6%	AAON, AEIS, BIRK, BMI, CDNA, CYBR, DKNG, DT, EXAS, GTLS, INSP, KTOS, LLYVA, MEG, MRCY, PAR, PRMB, SPRY, WING, WYNN	cybersecurity, defense, earnings, growth, Quality, small cap, technology, water	The Fund benefits from a generational increase in defense spending amid heightened global conflicts. Defense companies like Kratos, Mercury Systems, and Karman Holdings are winning new contracts across multiple divisions and benefiting from the current administration's openness to smaller, agile defense contractors. The defense spending cycle appears to be in a generational upswing.	KTOS WING INSP PAR BIRK KTOS WING INSP BIRK	View
2025 Q3	Oct 16, 2025	Platinum International Brands Fund	1.0%	-	0700.HK, ALLFG.L, AMER, BIRK, FICO, GALDA.SW, GOOGL, HD, ITX.MC, STJ.L, WWW, ZTS	AI, brands, consumer, Footwear, global, growth, Quality	The broader market's momentum was overwhelmingly propelled by the AI theme, specifically stocks building-out AI data centres. Semiconductor companies, the picks and shovels in this modern gold rush, were particularly strong. The market is mesmerised by a narrative around AI's massive growth potential.	WWW UN AS BIRK LX	View
2025 Q4	Jan 30, 2026	Baron Focused Growth Fund	12.3%	22.3%	ABNB, ACGL, BIRK, CHH, CSGP, DEI, DUOL, FDS, FIGS, GWRE, H, IBKR, IDXX, IOT, JEF, LVS, LYV, MSCI, MTN, ONON, RRR, SHOP, SPOT, TOL, TSLA, VRSK	AI, consumer, Electric Vehicles, growth, healthcare, real estate, Space, technology	The fund discusses concerns about AI introduction into the economy and its impact on subscription-based software companies. AI competition has hurt valuations of platform investments like Spotify, CoStar, and Guidewire, though it hasn't impacted their financial performance. The fund holds X.AI Holdings Corp., formed through merger of X and xAI, which has developed competitive AI model Grok. The consumer remains quite resilient despite concerns about higher inflation, interest rates, and tighter labor market. Consumer-oriented investments including FIGS, Hyatt Hotels, and On Holding showed strength in the quarter. The fund sees continued resilience in consumer demand for health care apparel and premium products. SpaceX is generating significant value with rapid expansion of Starlink broadband service, deploying vast satellite constellation with substantial user growth. The company has established itself as leading launch provider with reusable technology and is making tremendous progress on Starship rocket. SpaceX represents the fund's largest position at 19.2% of net assets. Tesla remains a core holding representing 8.1% of net assets as an electric vehicle leader. The fund views Tesla as a disruptive growth company with large underpenetrated addressable markets, well financed with significant equity stakes by founder-led management giving further conviction in the investment.	DUOL CSGP SPOT ONON H FIGS GWRE	View
2025 Q4	Jan 27, 2026	The Osterweis Opportunity Fund	3.3%	0.3%	AX, BIRK, CAVA, CECO, CWST, FSV, GH, GWRE, LSCC, LTH, MOD, MTSI, NOVT, SITM, TREX, TTAN, WAY	AI, Biotech, Fintech, growth, healthcare, semiconductors, small cap, technology	AI was identified as one of the big investment themes driving 2025 returns, with the AI boom propelling many indices to all-time highs. SiTime Corp benefited from 115% growth in its data center segment reflecting surging demand from AI applications. The manager published a piece discussing AI as one of their top five secular trends for the near-to-medium term. The portfolio had strong performance from semiconductor investments including MACOM and SiTime. MACOM delivered strong Q4 results with 30% revenue growth, serving telecommunications, data center, defense, and industrial markets. SiTime revolutionized timing devices with MEMS-based silicon solutions and saw 45% growth driven by AI applications in data centers. Chime was highlighted as a leading online bank and top contributor in the Financial sector. The company's cost-effective, mobile-first, cloud-native infrastructure allows it to serve underbanked populations with free banking services. Revenue continues to increase above 30% annually with profit margins above 65%, and the manager believes Chime can triple its revenue per customer over the next five years. Guardant Health, a provider of blood-based diagnostic tests for cancer, was a significant contributor with strong Q3 results. The core oncology business grew revenues 30% with acceleration driven by innovative product enhancements. The company continues to lead the charge in converting oncology testing from tissue to blood, representing a major shift in cancer diagnostics. Flying taxis were mentioned as one of the speculative investment themes that drove 2025 returns, though the manager deliberately avoided these speculative companies. Drones were also identified as one of the top five secular trends for the near-to-medium term in the manager's recent publication. Robotics was identified as one of the manager's top five secular trends for the near-to-medium term. This represents an area of focus for finding category leaders before they become widely discovered, though specific robotics investments were not detailed in this letter.		View
2025 Q4	Jan 23, 2026	American Century Small Cap Value Fund	-1.1%	-3.3%	AMKR, ARCB, ARW, AVT, AXS, BBWI, BC, BIRK, COLB, EEFT, ENOV, EVTC, GPK, HZO, MARA, OKLO, ONB, PATK, SSB, TKR, UMBF	banks, consumer discretionary, healthcare, industrials, semiconductors, small cap, value	The fund maintains significant overweight exposure to banks, remaining constructive on the industry due to continued positive inflection in net interest income and belief that fears of an extended negative credit cycle were overstated. Many holdings still trade meaningfully below historical multiples. Overweight positioning tilted toward higher-quality, unique businesses targeting high-end consumers including global consumer brands like Brunswick and Birkenstock. Specialty retail exposure includes marine dealers and Bath & Body Works. The sector remains attractive with overweight positioning in higher-quality industrials including machinery, distribution, and commercial services. Many holdings demonstrated strong pricing power during inflationary environment and returned cash to shareholders via dividends, buybacks and debt reduction. Information technology contributed through stock selection, with strong results from Amkor Technology benefiting from AI packaging solutions and domestic chip manufacturing trends. The company is one of two in the US capable of providing large-scale advanced packaging solutions.		View
2025 Q4	Jan 21, 2026	Platinum International Brands Fund	-3.0%	-1.8%	ALLFG.L, AS1R.HE, BIRK, ELF, FICO, GAM.L, GDMA.SW, GOOGL, ITX.MC, STJ.L, V, WWW, ZTS	AI, brands, consumer discretionary, Consumer Staples, global, retail	AI stocks dominated market gains with the Philadelphia Semiconductor Index rising 45% in 2025, nearly triple the S&P 500's 16%. The AI concentration created headwinds for the fund as these businesses compete on technical specifications rather than brand equity, which falls outside the fund's brand-focused mandate. e.l.f. Beauty represents a key holding that fell 44% this quarter despite strong fundamentals. The company has evolved from a 'dupe' brand to a powerful marketing powerhouse with exceptional brand affinity among Gen-Z consumers and returns on capital exceeding 40%. Wolverine Worldwide, with key brands Saucony and Merrill, fell 32% this quarter. Saucony showed strong growth with 27% sales increase in the most recent quarter, expanding retail footprint beyond specialty running stores to generalized retailers.	ELF WWW	View
2024 Q3	Sep 30, 2024	Baron Focused Growth Fund	11.7%	13.2%	ABNB, ACGL, AMH, ANSYS, BIRK, CHH, CSGP, DEI, FDS, FIGS, GWRE, H, IBKR, IDEXX, ILMN, IRDM, JEF, KKD, LVS, MRNA, MSCI, MTN, ONON, RRR, SHOP, SPOT, TSLA, VRSK	concentrated, consumer discretionary, financials, growth, long-term, small caps, technology	Tesla represents the fund's largest position at 9.8% of assets, with the stock contributing 274 bps to quarterly performance. The manager believes lower interest rates should help Tesla sell more cars and halt continuous price reductions, while the energy storage business continues to grow rapidly.		View
2024 Q3	Sep 30, 2024	Baron Partners Fund	13.9%	4.5%	ACGL, BIRK, CSGP, FDS, GLPI, GWRE, H, HEI, IDXX, IRDM, IT, MSCI, MTN, RRR, SCHW, SPOT, TSLA	Concentration, Electric Vehicles, financials, growth, long-term, mid cap, technology	Tesla appreciated 32% in the quarter as investors focused on the company's potential rather than near-term macro impacts. The company has improved vehicle deliveries, particularly in China, and is expected to launch new models next year. Tesla has also made significant advances in autonomous driving, robotics, and energy storage products.		View
2024 Q2	Jul 27, 2024	Baron Partners Fund	13.9%	4.5%	ACGL, BIRK, CSGP, FDS, GLPI, GWRE, H, HEI, IDXX, IRDM, IT, MSCI, MTN, RRR, SCHW, SPOT, TSLA	Concentration, growth, Leverage, Long Term, mid cap, technology, Tesla	Tesla demonstrated better-than-expected margins despite operational complexities and manufacturing shutdowns. The company continued to drive manufacturing costs lower, accelerate new model launches, and invest heavily in AI initiatives. Tesla expects to launch a lower cost model as soon as late 2024, which should result in accelerated revenue growth and increased factory utilization.	CSGP SPACEX TSLA	View
2024 Q2	Jul 27, 2024	Baron Focused Growth Fund	11.7%	13.2%	ACGL, AMH, ANSYS, ARE, BIRK, CHH, CSGP, DEI, FDS, FIGS, GWRE, H, IBKR, IDXX, ILMN, IRDM, JEF, KKD, LVS, MSCI, MTN, ONON, RRR, SHOP, SPOT, TSLA, VRSK	concentrated, consumer discretionary, Disruptive Growth, growth, Long/Short, rates, technology	Tesla continues to drive manufacturing costs lower and invest heavily in AI initiatives. The company expects to launch a lower cost model as soon as late 2024, which should result in accelerated revenue growth and increased factory utilization. Tesla's energy storage business almost doubled in Q2 from Q1 levels.	COST GWW IBKR TSLA SPOT	View
2023 Q4	Feb 20, 2024	Baron Partners Fund	13.9%	4.5%	ACGL, BIRK, CSGP, FDS, FIGS, GLPI, GWRE, H, HEI, IDXX, IRDM, IT, MRNA, MSCI, MTN, NVDA, RRR, SCHW, SPOT, TSLA, VAC	diversification, growth, Leverage, technology, Tesla, volatility	Tesla remains the largest position at 38.1% of assets despite near-term automotive pressures from macroeconomic headwinds and price reductions. The company delivered its highly anticipated Cybertruck and refreshed Model 3 while continuing robust product development. Management anticipates introducing a new lower-priced vehicle next year to address a much larger market segment.		View
2023 Q4	Jan 27, 2024	Baron Asset Fund	8.3%	10.6%	ACGL, ANSYS, AXON, BIRK, CHH, CSGP, DXCM, FDS, FICO, GWRE, IDXX, IT, MTD, MTN, PWR, TRU, VEEV, VRSK, WST	Diagnostics, growth, healthcare, industrials, mid cap, software, technology	Gartner positioned to emerge as critical decision support resource for companies contemplating AI opportunities and risks. Expected to provide tailwind to volume growth and pricing realization over time.	BIRK	View

Pitches With This Ticker

Date	Pitch Type	Author	Company	Industry	Sub Industry	Bull / Bear	Stock Exchange	Keywords	Action
Apr 28, 2026	Fund Letters	Baron Asset Fund	Birkenstock Holding plc	Consumer Discretionary	Footwear	Bull	NYSE	Asia expansion, Consumer Brand, direct-to-consumer, e-commerce, Footwear, German Manufacturing, global expansion, IPO, manufacturing, Retail Stores	View Pitch
Dec 3, 2025	Fund Letters	Craigh Cepukenas	Birkenstock Holding plc	Consumer Discretionary	Footwear	Bull	NYSE	Brand, DTC, expansion, Footwear, Pricing	View Pitch
Nov 29, 2025	Fund Letters	Andrew Peck	Birkenstock Holding plc	Consumer Discretionary	Textiles, Apparel & Luxury Goods	Bull	NYSE	Brand Equity, direct-to-consumer, expansion, gross margins, vertical integration	View Pitch
Nov 29, 2025	Fund Letters	Andrew Peck	Birkenstock Holding plc	Consumer Discretionary	Textiles, Apparel & Luxury Goods	Bull	NYSE	Brand Equity, direct-to-consumer, expansion, gross margins, vertical integration	View Pitch

BSD Shareholders of BIRK

This report provides a detailed summary of investor holdings for a specified stock ticker, highlighting key metrics such as fund name, total assets under management (AUM), invested value, portfolio weight, and shares owned. It also tracks changes in share ownership during the last quarter, including the percentage of shares bought or sold and the percentage of outstanding shares owned. The data is generated using an API that processes investor holdings and calculates these values for each fund. This report helps investors and analysts monitor the stock positions of major funds, identify investment trends, and assess the influence of large investors on individual stocks.

Filing Date: September 30, 2025

Manager Name	Fund Name	Fund AUM	Invested Value	Portfolio Weight	Shares Owned	Shares Bought / Sold During Quarter	% Bought / Sold During Quarter	% of Shares Outstanding Owned
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