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Masimo (MASI) Institutional Ownership

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$152.06 -1.55 (-1.01%)
Closing price 04:00 PM Eastern
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$149.30 -2.76 (-1.81%)
As of 05:07 PM Eastern
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Institutional Ownership Changes (13F Filings) for Masimo (NASDAQ:MASI)

Current
Institutional Ownership
Percentage
85.96%
Number of
Institutional Buyers
(last 12 months)
203
Total
Institutional Inflows
(last 12 months)
$1.90B
Number of
Institutional Sellers
(last 12 months)
132
Total
Institutional Outflows
(last 12 months)
$1.45B
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MASI Institutional Buying and Selling by Quarter

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Masimo Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
4/15/2025Assenagon Asset Management S.A.4,379$730K0.0%-98.0%0.008%
4/15/2025 GAMMA Investing LLC738$123K0.0%+58.4%0.001%
4/14/2025Yousif Capital Management LLC15,786$2.63M0.0%-2.3%0.029%
4/14/2025Farther Finance Advisors LLC206$35K0.0%+128.9%0.000%
4/14/2025UMB Bank n.a.447$74K0.0%+134.0%0.001%
4/9/2025 RFG Advisory LLC6,780$1.13M0.0%+73.6%0.013%
4/9/2025 NBC Securities Inc.368$61K0.0%N/A0.001%
4/8/2025 Rhumbline Advisers122,811$20.46M0.0%-1.3%0.227%
4/7/2025 GAMMA Investing LLC122,951$20.48M0.0%+26,284.3%0.228%
4/3/2025 Versant Capital Management Inc1,480$247K0.0%+2,542.9%0.003%
3/18/2025California State Teachers Retirement System42,383$7.01M0.0%-0.5%0.079%
2/27/2025Jefferies Financial Group Inc.10,657$1.76M0.0%N/A0.020%
2/20/2025Forum Financial Management LP1,314$217K0.0%N/A0.002%
2/19/2025Public Employees Retirement System of Ohio15,284$2.53M0.0%-4.3%0.029%
2/18/2025Pacific Point Advisors LLC1,184$208K0.1%N/A0.002%
2/17/2025UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC190,246$31.45M0.0%+69.2%0.355%
2/17/2025Woodline Partners LP51,185$8.46M0.1%+450.4%0.096%
2/17/2025Two Sigma Advisers LP4,500$744K0.0%-97.9%0.008%
2/17/2025Two Sigma Investments LP39,889$6.59M0.0%-88.4%0.075%
2/17/2025Tidal Investments LLC86,731$14.34M0.1%+3,530.4%0.162%
2/17/2025State of Wyoming923$153K0.0%-51.8%0.002%
2/17/2025Tema Etfs LLC9,580$1.58M0.7%N/A0.018%
2/17/2025RTW Investments LP683,294$112.95M1.7%-53.3%1.276%
2/17/2025Polar Capital Holdings Plc6,023$996K0.0%N/A0.011%
2/17/2025ProShare Advisors LLC2,078$343K0.0%+7.9%0.004%
2/17/2025Quantinno Capital Management LP3,990$660K0.0%+89.1%0.007%
2/17/2025Man Group plc64,889$10.73M0.0%-83.8%0.121%
2/17/2025Nomura Holdings Inc.5,897$975K0.0%-87.6%0.011%
2/17/2025Nuveen Asset Management LLC75,754$12.52M0.0%-9.5%0.141%
2/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.11,305$1.87M0.0%-14.9%0.021%
2/17/2025LMR Partners LLP42,448$7.02M0.1%N/A0.079%
2/17/2025Logan Capital Management Inc.47,787$7.90M0.3%-5.1%0.089%
2/17/2025Janus Henderson Group PLC21,000$3.47M0.0%-3.7%0.039%
2/17/2025Jefferies Financial Group Inc.10,657$1.76M0.0%N/A0.020%
2/17/2025Gotham Asset Management LLC127,780$21.12M0.2%-16.7%0.239%
2/17/2025Ensign Peak Advisors Inc14,876$2.46M0.0%+5.0%0.028%
2/17/2025Farallon Capital Management LLC397,000$65.62M0.3%-68.5%0.742%
2/17/2025Fred Alger Management LLC20,430$3.38M0.0%+358.2%0.038%
2/17/2025Deutsche Bank AG6,217$1.03M0.0%+9.2%0.012%
2/17/2025Crestline Management LP1,800$298K0.0%N/A0.003%
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2/17/2025Cetera Investment Advisers1,846$305K0.0%N/A0.003%
2/17/2025Baird Financial Group Inc.34,198$5.65M0.0%+369.5%0.064%
2/17/2025Bamco Inc. NY307,144$50.77M0.1%-11.5%0.574%
2/17/2025Bellevue Group AG24,166$4.00M0.1%N/A0.045%
2/17/2025Bank of America Corp DE107,303$17.74M0.0%-8.9%0.200%
2/17/2025BLI Banque de Luxembourg Investments101,200$17.07M0.5%N/A0.189%
2/17/2025BNP Paribas Financial Markets7,020$1.16M0.0%-64.9%0.013%
2/17/2025Ameriprise Financial Inc.215,946$35.70M0.0%+8.0%0.403%
2/17/2025Alyeska Investment Group L.P.578,635$95.65M0.4%-22.3%1.081%
2/14/2025Keel Point LLC1,328$220K0.0%N/A0.002%
2/14/2025Freestone Grove Partners LP2,162$357K0.0%N/A0.004%
2/14/2025Comerica Bank141,378$23.37M0.1%-42.3%0.264%
2/14/2025Schonfeld Strategic Advisors LLC3,980$658K0.0%-54.7%0.007%
2/14/2025Lido Advisors LLC3,356$555K0.0%N/A0.006%
2/14/2025Northern Trust Corp383,869$63.45M0.0%+27.5%0.717%
2/14/2025The Manufacturers Life Insurance Company 51,457$8.51M0.0%+40.9%0.096%
2/14/2025DE Burlo Group Inc.8,552$1.41M0.2%-2.3%0.016%
2/14/2025Voya Investment Management LLC12,559$2.08M0.0%-3.8%0.023%
2/14/2025T. Rowe Price Investment Management Inc.1,662,376$274.79M0.2%+8.9%3.105%
2/14/2025Price T Rowe Associates Inc. MD250,786$41.46M0.0%+259.7%0.468%
2/14/2025Hsbc Holdings PLC5,494$912K0.0%N/A0.010%
2/14/2025State of Tennessee Department of Treasury15,300$2.53M0.0%-2.7%0.029%
2/14/2025Tower Research Capital LLC TRC 2,588$428K0.0%+141.2%0.005%
2/14/2025Teachers Retirement System of The State of Kentucky14,771$2.44M0.0%-4.4%0.028%
2/14/2025Natixis181$30K0.0%-98.7%0.000%
2/14/2025MetLife Investment Management LLC26,026$4.30M0.0%+9.3%0.049%
2/14/2025BI Asset Management Fondsmaeglerselskab A S985$163K0.0%N/A0.002%
2/14/2025Capital Research Global Investors2,454,975$405.81M0.1%+80.5%4.585%
2/14/2025Dimensional Fund Advisors LP647,720$107.08M0.0%+8.4%1.210%
2/14/2025First Trust Advisors LP47,328$7.82M0.0%+780.4%0.088%
2/14/2025Forum Financial Management LP1,314$217K0.0%N/A0.002%
2/14/2025Commerce Bank4,900$810K0.0%+16.1%0.009%
2/14/2025Cramer Rosenthal Mcglynn LLC222,817$36.83M2.1%+20.4%0.416%
2/13/2025Canada Pension Plan Investment Board16,100$2.66M0.0%-84.6%0.030%
2/13/2025Farringdon Capital Ltd.3,217$532K0.2%N/A0.006%
2/13/2025Marshall Wace LLP13,289$2.20M0.0%N/A0.025%
2/13/2025Zacks Investment Management27,229$4.50M0.0%+2.5%0.051%
2/13/2025Bridgewater Associates LP11,391$1.88M0.0%+49.5%0.021%
2/13/2025Guggenheim Capital LLC7,021$1.16M0.0%+61.5%0.013%
2/13/2025Mariner LLC3,459$572K0.0%+10.2%0.006%
2/13/2025Barclays PLC53,219$8.80M0.0%+33.2%0.099%
2/13/2025Summit Investment Advisors Inc.8,901$1.47M1.3%-1.7%0.017%
2/13/2025Townsquare Capital LLC8,126$1.34M0.0%N/A0.015%
2/13/2025Rockefeller Capital Management L.P.90,901$15.02M0.0%-33.8%0.170%
2/13/2025Sterling Capital Management LLC26,221$4.33M0.1%-36.0%0.049%
2/13/2025Treasurer of the State of North Carolina19,085$3.16M0.0%+2.0%0.036%
2/13/2025Neuberger Berman Group LLC138,122$22.83M0.0%+3,114.4%0.258%
2/13/2025Raymond James Financial Inc.203,971$33.72M0.0%N/A0.381%
2/13/2025FIL Ltd110,332$18.24M0.0%+4.4%0.206%
2/13/2025Legal & General Group Plc97,187$16.07M0.0%-1.7%0.182%
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2/13/2025Invesco Ltd.277,960$45.95M0.0%+226.4%0.519%
2/13/2025Bank of Montreal Can6,111$1.01M0.0%-32.6%0.011%
2/13/2025Cerity Partners LLC1,792$296K0.0%-8.2%0.003%
2/13/2025FMR LLC8,097,454$1.34B0.1%+19.8%15.124%
2/13/2025Federated Hermes Inc.52,734$8.72M0.0%-55.5%0.098%
2/13/2025Atika Capital Management LLC36,800$6.08M0.6%N/A0.069%
2/13/2025Russell Investments Group Ltd.19,703$3.26M0.0%+3,703.7%0.037%
2/13/2025Envestnet Asset Management Inc.31,107$5.14M0.0%+17.3%0.058%
2/13/2025Wells Fargo & Company MN19,743$3.26M0.0%-61.7%0.037%
2/12/2025Landscape Capital Management L.L.C.5,586$923K0.1%N/A0.010%
(Data available from 1/1/2016 forward)

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MASI Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of MASI shares?

During the previous two years, 424 institutional investors and hedge funds held shares of Masimo. The most heavily invested institutionals were FMR LLC ($1.34B), BlackRock Inc. ($1.01B), Politan Capital Management LP ($775.61M), Vanguard Group Inc. ($758.18M), Capital Research Global Investors ($405.81M), Massachusetts Financial Services Co. MA ($286.82M), and T. Rowe Price Investment Management Inc. ($274.79M).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 329 institutional investors that purchased Masimo stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: FMR LLC ($3.94M), Massachusetts Financial Services Co. MA ($2.62M), Capital Research Global Investors ($1.23M), Eminence Capital LP ($1.04M), Alliancebernstein L.P. ($878.59K), Westfield Capital Management Co. LP ($477.17K), and Raymond James Financial Inc. ($407.94K).

How much institutional buying is happening at Masimo?

Institutional investors have bought a total of 19,343,412 shares in the last 24 months. This purchase volume represents approximately $2.73B in transactions.

Which Masimo major shareholders have been selling company stock?

Of the 224 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), Farallon Capital Management LLC ($1.36M), Thrivent Financial for Lutherans ($1.21M), Ace Management Global Ltd. ($1.01M), Massachusetts Financial Services Co. MA ($1.00M), RTW Investments LP ($818.20K), and Jackson Square Partners LLC ($565.25K).

How much institutional selling is happening at Masimo?

Institutional investors have sold a total of 15,515,625 shares in the last 24 months. This volume of shares sold represents approximately $2.10B in transactions.


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This page (NASDAQ:MASI) was last updated on 4/15/2025 by MarketBeat.com Staff
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