MASI

MASI

MASI

Market Cap: $9.43B

Letters With This Ticker

Quarter Letter Date Fund Name QTD YTD Tickers Keywords/Themes Theme Commentary Pitches Letter
2024 Q1 Apr 15, 2024 Baron Discovery Fund 13.5% 9.3% ALGM, CDNA, CYBR PM, DAVA, DKNG, ICHR, INTA, KNSL, MASI, NARI, NVTS, RGEN, RH, SMCI -
2025 Q4 Feb 3, 2026 Baird Small/Mid Cap Growth Equity Fund 1.2% -8.5% ABT, AFRM, BOOT, BRBR, BROS, BURL, BWXT, CASY, CHDN, COCO, CRDO, CW, DKNG, DT, ELF, EME, EXAS, FOUR, GKOS, KTB, LII, MASI, MNDY, MTSI, PEN, PODD, RGEN, RKLB, TARS, TWLO, ULS, VERX, WAY, WSO AI, defense, growth, healthcare, mid cap, semiconductors, small cap, technology
2023 Q3 Oct 31, 2023 Ensemble Capital 0.0% 8.0% ADI, BKNG, BR, GOOG, ILMN, MA, MASI, NFLX -
2022 Q3 Oct 17, 2022 Ensemble Capital 0.0% 8.0% MASI, NVR, SCHW -
2025 Q4 Jan 23, 2026 Baron Health Care Fund 13.1% 10.3% ABBV, ACLX, ARGX, ARQT, AZN, BSX, DHR, DSXY, EHC, ELAN, INSM, ISRG, LLY, MASI, MTD, PEN, RDNT, RGEN, SYK, TEVA, TMO, WELL Biotechnology, GLP1, healthcare, Life Sciences, M&A, Medical Devices, Pharmaceuticals RGEN
ELAN
WELL
ARQT
TMO
EHC
DOCS
ARQQ
TEVA
ARGX
LLY
2024 Q4 Jan 20, 2025 Baird Small/Mid Cap Growth Equity Fund 5.1% 8.0% ALAB, MASI, PSTG -
2023 Q4 Jan 17, 2024 Ensemble Capital 0.0% 8.0% 0K85 LN, BKNG, BR, GOOG, ILMN, MA, MASI, NFLX, NKE, NOW, PAYX -
2023 Q2 Jun 30, 2023 Ensemble Capital 0.0% 8.0% FRC, GOOG, HD, ILMN, MASI, NFLX, NKE, NOW -
2023 Q1 Mar 31, 2023 Ensemble Capital 0.0% 8.0% BKNG, CMG, FRC, GOOG, MASI, NVR, RACE LN -
2023 Q4 Jan 20, 2024 Blue Tower Asset Management 8.8% 0.0% CGEO LN, CNR, EWZ GR, EZPW, MASI, TCSN MM -
2022 Q4 Jan 17, 2023 Ensemble Capital 0.0% 8.0% CMG, FRC, GOOG, ILMN, MA, MASI, NFLX, NKE, PAYX -

Pitches With This Ticker

Date Pitch Type Author Company Industry Sub Industry Bull / Bear Stock Exchange Keywords Action
No pitches found.

BSD Shareholders of MASI

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
Andreas Halvorsen Viking Global Investors $37.7B $66.9M 0.18% 514,340 -559,093 -52.08% 0.7095%
Paul Tudor Jones Tudor Investment Corp $53.4B $2.1M 0.00% 16,242 -47,040 -74.33% 0.0224%
Ray Dalio Bridgewater Associates $27.4B $210,567 0.00% 1,619 -95 -5.54% 0.0022%
Israel Englander Millennium Management LLC $233.2B $24.4M 0.01% 187,965 +171,834 +1065.24% 0.2593%
Jeremy Grantham GMO LLC $39.1B $18.7M 0.05% 143,825 -98,997 -40.77% 0.1984%
Cliff Asness AQR Capital Management $190.6B $141.9M 0.07% 1,091,326 +1,060,292 +3416.55% 1.5055%
Mario Gabelli GAMCO Investors $10.4B $10.8M 0.10% 83,000 -800 -0.95% 0.1145%
James E. Flynn Deerfield Management $6.9B $2.1M 0.03% 16,147 +16,147 +100.00% 0.0223%
Roderick Wong RTW Investments $10.0B $88.9M 0.89% 683,294 +0 +0.00% 0.9426%
Richard Kayne & John Anderson Kayne Anderson Rudnick Investment Management $37.3B $2.1M 0.01% 15,932 -825 -4.92% 0.0220%