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Quarter	Letter Date	Fund Name	QTD	YTD	Tickers	Themes	Quick Take

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Artisan Mid Cap Fund 2026 Q3 Investor Letter | Buyside Digest

Back to Fund Profile (Artisan Mid Cap Fund)

Primary Source Intelligence • Q3 2026 Letter Analysis

Artisan Mid Cap Fund Quarterly Analysis

Buyside Digest is not affiliated with, and does not endorse, Artisan Mid Cap Fund. This analysis is provided for institutional research purposes only and is not investment advice.

Fund Returns

QTD-4.16%

YTD+6.29%

Annualized+12.51%

Positioning StanceCONSTRUCTIVE

Market CapMid Cap

GeographyUS

Digest Analysis

Quick Take

"Artisan Mid Cap Fund returned -4.16% net in Q3 2026, outperforming the Russell Midcap Growth Index's 5.84% decline through resilient selection in healthcare and communication services, while actively deploying into enterprise software on pullbacks."

Executive Summary

Artisan Mid Cap Fund (ARTMX) posted a net return of -4.16% in Q3 2026, bringing its year-to-date net return to 6.29%. The fund outperformed its benchmark, the Russell Midcap Growth Index, which declined 5.84% during the quarter, generating roughly 168 basis points of relative alpha despite mid-cap growth facing significant headwinds from rising interest rates and extreme market cap dispersion. Relative performance was led by strong security selection in communication services and an overweight stance in health care, which offset relative drag from an underweight position in the surging energy sector and select semiconductor holdings. Macroeconomic conditions grew more challenging as developed market central banks tightened policy, highlighted by the Federal Reserve's 25 bps rate increase in September and the 30-year Treasury yield reaching levels not seen since 2002. Persistent geopolitical conflict in the Middle East drove crude oil past $100 per barrel, while escalating US-Canada trade disputes and US national debt surpassing $40 trillion elevated fiscal and market risks. In response, market leadership rotated away from capital-intensive AI infrastructure toward mega-cap technology and defensive value, prompting the management team to prioritize resilient, idiosyncratic corporate profit cycles over broader macroeconomic tailwinds. Portfolio turnover during the quarter reflected disciplined capital reallocation across its Garden, Crop, and Harvest stages. The investment team initiated new Garden positions in Manhattan Associates, Okta, and Clean Harbors, while adding on share price weakness to Lattice Semiconductor, Robinhood Markets, Compass, and Twilio. To fund these investments and optimize risk-adjusted exposure, the team exited Monolithic Power Systems, FTAI Aviation, and Ionis Pharmaceuticals, while trimming appreciated positions in Twist Bioscience, Veracyte, Viking Holdings, and US Foods where valuations or near-term catalysts appeared less compelling.

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Institutional Meta Strategy

Meta Strategy Gauges

Algorithmic conviction, macroeconomic posture, and risk appetite signals extracted from this quarterly letter with qualitative explanations.

Signal Matrix

65%

CautiousHigh

Moderate (65%)

Market Conviction

The portfolio features a well-defined multi-stage capital allocation discipline (Garden, Crop, Harvest) and holds 33.1% of assets across its top 10 positions. Management demonstrated decisiveness by fully exiting three investments where theses broke and aggressively scaling Manhattan Associates into a Crop position. However, conviction is tempered by broad diversification across dozens of mid-cap holdings and selective trimming of winners.

35%

BearishBullish

Bearish (35%)

Growth Outlook

Management emphasizes mounting challenges from hawkish central bank policies, long-term Treasury yields at 24-year highs, $100 oil, and expanding geopolitical friction. While US economic data remains resilient, sharp drops in consumer confidence and rising capital costs prompt caution. The team explicitly discounts broad macroeconomic tailwinds in favor of company-specific profit drivers.

50%

DefensiveAggressive

Balanced (50%)

Risk Appetite

Positioning balances opportunistic capital additions into battered quality names with prudent de-risking in high-multiple and cyclical assets. The managers initiated and expanded positions on share price pullbacks in software, but selectively trimmed appreciated consumer and biopharma holdings. Overall net equity exposure remains disciplined without aggressive risk-seeking behavior.

50%

De-riskingDeploying

Net Neutral (50%)

Capital Deployment

Capital deployment was evenly balanced between opportunistic buying and disciplined profit harvesting during the third quarter. The fund established three new Garden positions and added to four existing holdings on price weakness, but completely offset these inflows by liquidating three campaigns and trimming several strong performers. Cash flows and overall portfolio risk levels were kept essentially stable.

60%

CautiousExpansionary

Neutral (60%)

Forward Guidance

The team plans to exploit heightened equity volatility by continuing to deploy capital into idiosyncratic profit cycles that are decoupled from macroeconomic conditions. Forward actions emphasize increasing exposure to vertical software and aerospace component suppliers while reducing exposure to commoditizing hardware infrastructure. Clear buy triggers were executed during the quarter on price dips in core names.

45%

BearishBullish

Balanced (45%)

Language Signal

The letter balances positive company-specific language regarding secular growth and market share gains with significant cautionary macro phrasing. The text frequently cites risks such as tightening financial conditions, trade tensions, power constraints, and aggressive valuation assumptions. Bearish and cautionary terms appear alongside bullish company-specific thesis updates.

70%

Low RiskElevated

Elevated Risk (70%)

Perceived Risk

The management team identifies multiple substantial macro headwinds, including soaring sovereign debt, 30-year yields at multi-decade highs, elevated commodity prices, and escalating global trade disputes. In addition, the letter details structural constraints within the technology ecosystem, including power grid bottlenecks, data center permitting delays, and debt-financed infrastructure buildouts. Downside risks receive prominent and detailed analysis throughout the commentary.

55%

ScarceAbundant

Selective (55%)

Opportunity Density

Compelling investments are viewed as highly selective rather than broadly available across the market. The managers highlight that dispersion in mid-cap indices requires intense scrutiny of corporate unit economics and profit cycles. While the overall market looks difficult, the team identified attractive opportunities in vertical software, environmental services, and specialized aerospace.

75%

Short-TermLong-Term

Decade+ (75%)

Time Horizon

The managers operate with a multi-year underwriting framework, repeatedly emphasizing multi-year growth runways across aerospace, healthcare, and enterprise software. Portfolio decisions are structured to capture full corporate profit cycles over several years rather than responding to quarterly earnings noise. Even when trimming positions into Harvest status, they highlight multi-year compounding potential.