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Masimo (MASI) Institutional Ownership

+2.25 (+1.80%)
(As of 05/24/2024 ET)

Institutional Ownership Changes (13F Filings) for Masimo (NASDAQ:MASI)

Institutional Ownership
Number of
Institutional Buyers
(last 12 months)
Institutional Inflows
(last 12 months)
Number of
Institutional Sellers
(last 12 months)
Institutional Outflows
(last 12 months)
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MASI Institutional Buying and Selling by Quarter

Masimo Major Shareholders & Ownership History

Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
5/24/2024Farallon Capital Management LLC1,489,563$218.74M1.0%+13.6%2.806%
5/17/2024 Comerica Bank102,695$15.08M0.1%-6.0%0.193%
5/17/2024 Tidal Investments LLC2,179$320K0.0%+14.1%0.004%
5/16/2024 California State Teachers Retirement System44,793$6.58M0.0%-5.0%0.084%
5/16/2024 Janus Henderson Group PLC22,030$3.23M0.0%-5.3%0.041%
5/16/2024 Paloma Partners Management Co1,504$221K0.0%N/A0.003%
5/15/2024 Public Employees Retirement System of Ohio16,895$2.48M0.0%-8.3%0.032%
5/15/2024 Public Employees Retirement Association of Colorado5,075$745K0.0%-12.9%0.010%
5/15/2024 Bamco Inc. NY345,800$50.78M0.1%N/A0.651%
5/15/2024 Price T Rowe Associates Inc. MD71,548$10.51M0.0%-82.6%0.135%
5/15/2024 Brown Capital Management LLC26,844$3.94M0.1%-0.5%0.051%
5/15/2024 Lazard Asset Management LLC583$85K0.0%+5,730.0%0.001%
5/15/2024 PEAK6 Investments LLC38,758$5.69M0.0%+80.9%0.073%
5/15/2024 Senator Investment Group LP174,000$25.55M1.2%+58.2%0.328%
5/14/2024 Advisors Asset Management Inc.9,009$1.32M0.0%+32.1%0.017%
5/14/2024 CANADA LIFE ASSURANCE Co25,446$3.73M0.0%-21.9%0.048%
5/14/2024 American International Group Inc.59,110$8.68M0.0%-2.0%0.111%
5/10/2024 Vanguard Group Inc.4,555,853$669.03M0.0%-4.7%8.610%
5/10/2024 Westfield Capital Management Co. LP686,100$100.75M0.5%-16.2%1.297%
5/10/2024 M&G Plc3,091$454K0.0%N/A0.006%
5/9/2024 Picton Mahoney Asset Management61,990$9.10M0.3%-39.8%0.117%
5/9/2024 SageView Advisory Group LLC1,470$216K0.0%N/A0.003%
5/9/2024 Mitsubishi UFJ Asset Management Co. Ltd.8,721$1.28M0.0%-21.2%0.016%
5/9/2024 Jackson Square Partners LLC296,458$43.54M1.8%-61.1%0.560%
5/9/2024 State Board of Administration of Florida Retirement System54,839$8.05M0.0%+11.6%0.104%
5/8/2024 ProShare Advisors LLC2,164$318K0.0%-7.4%0.004%
5/8/2024 US Bancorp DE4,665$685K0.0%-36.3%0.009%
5/8/2024 Russell Investments Group Ltd.650$95K0.0%-53.2%0.001%
5/8/2024 Qsemble Capital Management LP1,668$245K0.1%N/A0.003%
5/7/2024 Verus Capital Partners LLC3,651$536K0.1%-9.9%0.007%
5/7/2024 Sei Investments Co.95,642$14.05M0.0%-47.1%0.181%
5/7/2024Susquehanna Portfolio Strategies LLC72,729$10.68M0.2%-14.6%0.137%
5/7/2024 Swiss National Bank88,600$13.01M0.0%+0.2%0.167%
5/7/2024 SG Americas Securities LLC1,979$291K0.0%-50.6%0.004%
5/6/2024 Envestnet Portfolio Solutions Inc.1,480$217K0.0%N/A0.003%
5/6/2024 Texas Permanent School Fund Corp38,847$5.71M0.0%+1.4%0.073%
5/2/2024 Mutual of America Capital Management LLC26,447$3.88M0.0%-3.9%0.050%
5/1/2024 Janney Montgomery Scott LLC5,270$774K0.0%-3.8%0.010%
5/1/2024 Mirae Asset Global Investments Co. Ltd.42,196$6.20M0.0%+33.9%0.080%
5/1/2024 Mission Wealth Management LP2,200$323K0.0%-3.5%0.004%
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4/30/2024 Retirement Systems of Alabama144,938$21.28M0.1%+0.1%0.274%
4/30/2024 Harel Insurance Investments & Financial Services Ltd.190$28K0.0%-38.1%0.000%
4/29/2024 Principal Financial Group Inc.167,748$24.63M0.0%+1.9%0.317%
4/26/2024 Securian Asset Management Inc.3,657$537K0.0%-2.7%0.007%
4/26/2024 Yousif Capital Management LLC20,567$3.02M0.0%-2.1%0.039%
4/25/2024 New York State Teachers Retirement System50,748$7.45M0.0%+0.4%0.096%
4/24/2024 Wesleyan Assurance Society2,550$374K0.0%+96.2%0.005%
4/24/2024 Assenagon Asset Management S.A.6,822$1.00M0.0%-22.2%0.013%
4/23/2024 Louisiana State Employees Retirement System12,800$1.88M0.0%+2.4%0.024%
4/23/2024 WASHINGTON TRUST Co458$67K0.0%N/A0.001%
4/23/2024 Amalgamated Bank24,606$3.61M0.0%-19.0%0.047%
4/22/2024 Raymond James & Associates181,611$26.67M0.0%+1.1%0.343%
4/19/2024 Sumitomo Mitsui Trust Holdings Inc.391,889$57.55M0.0%-5.3%0.741%
4/19/2024 Handelsinvest Investeringsforvaltning2,132$313K0.2%-34.2%0.004%
4/18/2024 SeaCrest Wealth Management LLC1,790$263K0.0%N/A0.003%
4/18/2024 State of Michigan Retirement System10,896$1.60M0.0%+1.9%0.021%
4/18/2024 Allspring Global Investments Holdings LLC46,607$6.84M0.0%+90.5%0.088%
4/18/2024 Oak Thistle LLC1,976$290K0.3%-53.3%0.004%
4/16/2024 Cardinal Capital Management14,764$2.17M0.4%+25.1%0.028%
4/12/2024 Riverview Trust Co169$25K0.0%N/A0.000%
4/5/2024 Juncture Wealth Strategies LLC2,027$298K0.1%N/A0.004%
3/11/2024 Vanguard Group Inc.4,781,343$560.42M0.0%+0.6%9.037%
3/1/2024 Royal London Asset Management Ltd.17,188$2.02M0.0%-9.1%0.033%
3/1/2024 Goldman Sachs Group Inc.175,510$20.57M0.0%+40.5%0.332%
2/28/2024 American International Group Inc.60,321$7.07M0.0%-4.1%0.114%
2/26/2024 Virtu Financial LLC11,611$1.36M0.1%-48.1%0.022%
2/26/2024Teachers Retirement System of The State of Kentucky15,841$1.86M0.0%-4.2%0.030%
2/20/2024 Readystate Asset Management LP27,480$3.22M0.1%N/A0.052%
2/16/2024 Peloton Wealth Strategists5,950$697K0.3%-30.0%0.011%
2/15/2024 Hawk Ridge Capital Management LP342,528$40.15M2.3%-39.7%0.648%
2/15/2024 Brown Capital Management LLC26,972$3.16M0.0%+21.9%0.051%
2/14/2024 Neuberger Berman Group LLC4,308$505K0.0%N/A0.008%
2/14/2024 13D Management LLC44,095$5.17M3.0%+99.4%0.083%
2/14/2024 Lighthouse Investment Partners LLC37,289$4.37M0.2%N/A0.071%
2/14/2024 Logan Capital Management Inc.49,873$5.85M0.3%-2.8%0.094%
2/14/2024 RTW Investments LP1,462,400$171.41M2.7%-2.6%2.768%
2/14/2024 Schroder Investment Management Group877,539$102.86M0.1%+59.6%1.661%
2/14/2024 CenterBook Partners LP39,404$4.62M0.6%-4.3%0.075%
2/13/2024 American International Group Inc.60,321$7.07M0.0%-4.1%0.114%
2/13/2024 Capital Research Global Investors2,269,189$265.97M0.1%+6.4%4.294%
2/13/2024 Royal London Asset Management Ltd.17,188$2.02M0.0%-9.1%0.033%
2/13/2024 Carmignac Gestion5,000$586K0.0%-59.3%0.009%
2/13/2024 Bell Asset Management Ltd19,405$2.27M0.3%-64.6%0.037%
2/13/2024 NEOS Investment Management LLC2,989$350K0.0%N/A0.006%
2/13/2024 KBC Group NV3,090$362K0.0%-72.8%0.006%
2/13/2024 Martin Currie Ltd.4,997$586K0.0%-99.0%0.009%
2/12/2024Treasurer of the State of North Carolina19,139$2.24M0.0%+0.9%0.036%
2/12/2024 TD Asset Management Inc79,430$9.31M0.0%+11.2%0.150%
2/12/2024 Parallel Advisors LLC445$52K0.0%+48.3%0.001%
2/9/2024 Westfield Capital Management Co. LP818,476$95.93M0.6%+35.6%1.549%
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2/9/2024 Neuberger Berman Group LLC4,308$505K0.0%N/A0.008%
2/9/2024 Orion Portfolio Solutions LLC4,571$523K0.0%-18.7%0.009%
2/9/2024 Commerce Bank4,085$479K0.0%+60.4%0.008%
2/9/2024 Montanaro Asset Management Ltd104,250$12.22M2.3%-26.7%0.197%
2/9/2024 EverSource Wealth Advisors LLC295$35K0.0%+851.6%0.001%
2/9/2024 Assetmark Inc.827$97K0.0%-17.4%0.002%
2/9/2024 BNP Paribas Asset Management Holding S.A.137,294$16.09M0.0%-64.4%0.260%
2/9/2024 Corient Private Wealth LLC4,037$473K0.0%+66.4%0.008%
2/9/2024 Wells Fargo & Company MN116,712$13.68M0.0%+282.0%0.221%
2/9/2024 Coldstream Capital Management Inc.2,292$269K0.0%N/A0.004%
(Data available from 1/1/2016 forward)

MASI Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of MASI shares?

During the previous two years, 402 institutional investors and hedge funds held shares of Masimo. The most heavily invested institutionals were BlackRock Inc. ($1.01B), Politan Capital Management LP ($775.61M), Vanguard Group Inc. ($669.03M), FMR LLC ($460.11M), Capital Research Global Investors ($265.97M), Nomura Holdings Inc. ($242.54M), and Farallon Capital Management LLC ($218.74M).Learn more on MASI's institutional investors.

What percentage of Masimo stock is owned by institutional investors?

85.96% of Masimo stock is owned by institutional investors. Learn more on MASI's institutional investor holdings.

Which institutional investors have been buying Masimo stock?

Of the 318 institutional investors that purchased Masimo stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Politan Capital Management LP ($4.65M), Nomura Holdings Inc. ($1.79M), Massachusetts Financial Services Co. MA ($1.61M), Eminence Capital LP ($1.04M), FMR LLC ($664.05K), Bank of Nova Scotia ($606.94K), and Farallon Capital Management LLC ($559.91K).

How much institutional buying is happening at Masimo?

Institutional investors have bought a total of 19,565,944 shares in the last 24 months. This purchase volume represents approximately $2.58B in transactions.

Which Masimo major shareholders have been selling company stock?

Of the 251 institutional investors that sold Masimo stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: FMR LLC ($1.91M), Martin Currie Ltd. ($607.42K), Citigroup Inc. ($583.58K), Assenagon Asset Management S.A. ($566.00K), Jackson Square Partners LLC ($565.25K), Bank of New York Mellon Corp ($484.02K), and Westfield Capital Management Co. LP ($482.49K).

How much institutional selling is happening at Masimo?

Institutional investors have sold a total of 13,994,258 shares in the last 24 months. This volume of shares sold represents approximately $1.81B in transactions.

This page (NASDAQ:MASI) was last updated on 5/25/2024 by Staff

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