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Masimo Corp

MASIDelisted Jun 10, 2026
Industry
Electromedical & Electrotherapeutic Apparatus
SEC CIK
0000937556

Masimo Corp was delisted on Jun 10, 2026; its insiders filed their last Form 4 on Jun 12, 2026; 451 institutions reported holding it in 13F filings for Q1 2026, worth $9.69B in total; Soros Fund Management was the only superinvestor holding it.

13F holders, Q2 2022

Institutional positions in Masimo Corp as of Jun 30, 2022. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
417
−31 vs. Q1 2022
Shares held
44.3M
−816.3K (−1.8%) vs. Q1 2022
Total value
$5.81B
−$759.6M (−11.6%) vs. Q1 2022
New holders
56
147 more added
Sold out
87
156 more reduced

9 institutions that held it in Q1 2022 haven't filed for Q2 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2022: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting MASI on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2022: 417 institutions
Q1 2021: 481 institutionsQ2 2021: 459 institutionsQ3 2021: 475 institutionsQ4 2021: 520 institutionsQ1 2022: 457 institutionsQ2 2022: 417 institutionsQ3 2022: 418 institutionsQ4 2022: 405 institutionsQ1 2023: 428 institutionsQ2 2023: 415 institutionsQ3 2023: 357 institutionsQ4 2023: 342 institutionsQ1 2024: 339 institutionsQ2 2024: 352 institutionsQ3 2024: 362 institutionsQ4 2024: 366 institutionsQ1 2025: 393 institutionsQ2 2025: 379 institutionsQ3 2025: 358 institutionsQ4 2025: 392 institutionsQ1 2026: 451 institutionsQ2 2026: 2 institutions
Value heldQ2 2022: $5.81B
Q1 2021: $10.3BQ2 2021: $11.1BQ3 2021: $12.5BQ4 2021: $13.6BQ1 2022: $6.61BQ2 2022: $5.81BQ3 2022: $6.54BQ4 2022: $6.58BQ1 2023: $8.30BQ2 2023: $7.56BQ3 2023: $4.18BQ4 2023: $5.91BQ1 2024: $7.59BQ2 2024: $6.24BQ3 2024: $6.72BQ4 2024: $8.50BQ1 2025: $9.02BQ2 2025: $9.68BQ3 2025: $8.29BQ4 2025: $7.20BQ1 2026: $9.69BQ2 2026: $16.2K
Institutions holding MASI and their total value by quarter
QuarterHoldersValue
Q2 20262$16.2K
Q1 2026451$9.69B
Q4 2025392$7.20B
Q3 2025358$8.29B
Q2 2025379$9.68B
Q1 2025393$9.02B
Q4 2024366$8.50B
Q3 2024362$6.72B
Q2 2024352$6.24B
Q1 2024339$7.59B
Q4 2023342$5.91B
Q3 2023357$4.18B
Q2 2023415$7.56B
Q1 2023428$8.30B
Q4 2022405$6.58B
Q3 2022418$6.54B
Q2 2022417$5.81B
Q1 2022457$6.61B
Q4 2021520$13.6B
Q3 2021475$12.5B
Q2 2021459$11.1B
Q1 2021481$10.3B

Institutions, Q2 2022

Shares, value and share of portfolio for each institution holding Masimo Corp; share changes are against Q1 2022.

Institutions holding MASI in Q2 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Handelsinvest Investeringsforvaltning50,400$6.59M0.98%+5,400+12.0%Added
Wells Fargo & Company47,368$6.19M0.00%−9,937−17.3%Reduced
Andra AP-fonden47,200$6.17M0.18%+47,200New
SEI Investments Co46,454$6.10M0.01%+7,322+18.7%Added
ExodusPoint Capital Management, LP45,063$5.89M0.08%+23,226+106.4%Added
Brewin Dolphin Wealth Management Ltd44,703$5.84M0.64%+2,877+6.9%Added
Norges Bank43,914$5.74M0.00%+27,371+165.5%Added
Holocene Advisors, LP43,734$5.71M0.03%+7,953+22.2%Added
Woodline Partners LP43,036$5.62M0.09%+43,036New
State of Tennessee, Treasury Department42,823$5.60M0.03%00.0%Unchanged
Capital Fund Management S.A.42,755$5.59M0.15%−2,444−5.4%Reduced
Mutual of America Capital Management LLC42,695$5.58M0.07%−3,631−7.8%Reduced
Forte Capital LLC40,797$5.33M0.93%−2,060−4.8%Reduced
NS Partners Ltd40,506$5.29M0.32%+511+1.3%Added
Quadrature Capital Ltd39,812$5.21M0.22%+25,915+186.5%Added
Pertento Partners LLP38,300$5.00M2.00%+38,300New
Amalgamated Bank37,298$4.87M0.05%−795−2.1%Reduced
Texas Permanent School Fund36,908$4.82M0.08%+890+2.5%Added
State of Wisconsin Investment Board36,872$4.82M0.01%−2,361−6.0%Reduced
Paradigm Capital Management Inc36,853$4.82M0.33%−4,600−11.1%Reduced
Jump Financial, LLC36,586$4.78M0.20%+4,863+15.3%Added
Banco Santander, S.A.36,283$4.74M0.06%+1,550+4.5%Added
MetLife Investment Management34,758$4.54M0.04%+295+0.9%Added
Thrivent Financial for Lutherans34,229$4.47M0.01%−14,311−29.5%Reduced
Gabelli Funds LLC33,200$4.34M0.03%−500−1.5%Reduced
State of New Jersey Common Pension Fund D32,605$4.26M0.02%−3,315−9.2%Reduced
Voya Investment Management LLC32,081$4.19M0.01%−1,016−3.1%Reduced
South Dakota Investment Council32,047$4.19M0.09%+15,820+97.5%Added
Algert Global LLC31,316$4.09M0.31%−5,521−15.0%Reduced
Mitsubishi UFJ Trust & Banking Corp30,723$4.01M0.01%−124,583−80.2%Reduced
Korea Investment CORP29,242$3.82M0.01%−257,065−89.8%Reduced
Yousif Capital Management, LLC28,709$3.75M0.05%+1,445+5.3%Added
Panagora Asset Management Inc28,648$3.74M0.02%−103,524−78.3%Reduced
APG Asset Management N.V.29,628$3.70M0.01%−167,560−85.0%Reduced
Tobam26,013$3.40M0.21%−31,917−55.1%Reduced
Public Employees Retirement System of Ohio25,709$3.36M0.01%−969−3.6%Reduced
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.24,189$3.16M0.01%+6,293+35.2%Added
LPL Financial LLC24,132$3.15M0.00%−1,729−6.7%Reduced
Carmignac Gestion23,645$3.14M0.07%+447+1.9%Added
Comerica Bank23,431$3.13M0.03%−318−1.3%Reduced
Prudential Financial Inc23,453$3.06M0.00%−15,095−39.2%Reduced
Brown Capital Management LLC23,179$3.03M0.04%−13,904−37.5%Reduced
Bessemer Group Inc21,602$2.82M0.01%+18,883+694.5%Added
Treasurer of the State of North Carolina21,199$2.77M0.02%−8,362−28.3%Reduced
Intech Investment Management LLC20,822$2.72M0.02%+20,822New
Royal Bank of Canada20,798$2.72M0.00%−857−4.0%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys20,215$2.64M0.03%+1,596+8.6%Added
Oregon Public Employees Retirement Fund19,681$2.57M0.04%+3,389+20.8%Added
Man Group plc–$2.48M0.01%––
Ensign Peak Advisors, Inc17,695$2.31M0.01%−723−3.9%Reduced
Pictet Asset Management SA17,464$2.28M0.00%−1,116−6.0%Reduced
Alberta Investment Management Corp16,741$2.19M0.02%+437+2.7%Added
Envestnet Asset Management Inc16,613$2.17M0.00%−13,640−45.1%Reduced
SG Americas Securities, LLC16,474$2.15M0.03%+9,202+126.5%Added
Royal London Asset Management Ltd16,311$2.13M0.01%+27+0.2%Added
Lockerman Financial Group, Inc.15,900$2.08M6.64%00.0%Unchanged
Ascent Wealth Partners, LLC16,044$2.05M0.46%+113+0.7%Added
Brown Advisory Inc15,542$2.03M0.00%+5,630+56.8%Added
Birchview Capital, LP15,280$2.00M1.45%+6,000+64.7%Added
Banque Pictet & Cie SA15,123$1.98M0.02%+2,037+15.6%Added
Personal Capital Advisors Corp15,081$1.97M0.01%00.0%Unchanged
Jane Street Group, LLC15,062$1.97M0.00%+4,403+41.3%Added
Arizona State Retirement System14,679$1.92M0.02%+76+0.5%Added
Point72 Hong Kong Ltd13,769$1.80M0.12%+6,127+80.2%Added
AlphaCrest Capital Management LLC13,746$1.80M0.09%+2,558+22.9%Added
Louisiana State Employees Retirement System13,400$1.79M0.05%+100+0.8%Added
Ameritas Investment Partners, Inc.13,584$1.77M0.08%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)13,480$1.76M0.01%+6,272+87.0%Added
PEAK6 Investments LLC11,843$1.71M0.04%+3,271+38.2%Added
State of Michigan Retirement System12,996$1.70M0.01%+100+0.8%Added
DekaBank Deutsche Girozentrale12,625$1.69M0.00%−300−2.3%Reduced
Skandinaviska Enskilda Banken AB (publ)12,884$1.68M0.01%+1,256+10.8%Added
TD Asset Management Inc12,825$1.68M0.00%−3,280−20.4%Reduced
Illinois Municipal Retirement Fund12,432$1.62M0.04%−13,902−52.8%Reduced
Victory Capital Management Inc11,985$1.57M0.00%+317+2.7%Added
Exchange Traded Concepts, LLC11,548$1.51M0.04%−3,326−22.4%Reduced
Nomura Asset Management Co Ltd11,420$1.49M0.01%+1,193+11.7%Added
JustInvest LLC11,413$1.49M0.07%+11,413New
Franklin Resources Inc11,247$1.47M0.00%−1,657−12.8%Reduced
Tower Research Capital LLC (TRC)10,988$1.44M0.03%+4,402+66.8%Added
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund10,915$1.43M0.02%+1,200+12.4%Added
North Star Asset Management Inc10,730$1.40M0.09%−3,600−25.1%Reduced
Storebrand Asset Management AS10,505$1.37M0.01%−369−3.4%Reduced
Unigestion Holding SA10,443$1.36M0.08%−4,589−30.5%Reduced
Creative Planning10,389$1.36M0.00%+450+4.5%Added
Assetmark, Inc10,208$1.33M0.01%+1,023+11.1%Added
Cardinal Capital Management10,070$1.32M0.30%+299+3.1%Added
Xponance, Inc.9,913$1.29M0.03%+577+6.2%Added
Eukles Asset Management9,853$1.29M0.81%−32−0.3%Reduced
Diversified Trust Co9,325$1.22M0.05%+13+0.1%Added
Peloton Wealth Strategists9,300$1.22M0.59%+9,300New
Gulf International Bank (UK) Ltd8,855$1.21M0.02%00.0%Unchanged
Federated Hermes, Inc.9,072$1.19M0.00%−9,143−50.2%Reduced
Utah Retirement Systems8,921$1.17M0.02%00.0%Unchanged
Guggenheim Capital LLC8,821$1.15M0.01%−397−4.3%Reduced
Robeco Institutional Asset Management B.V.8,731$1.14M0.00%−1,699−16.3%Reduced
Northwestern Mutual Investment Management Company, LLC8,547$1.12M0.03%+109+1.3%Added
IFM Investors Pty Ltd8,535$1.11M0.02%+992+13.2%Added
DuPont Capital Management Corp8,423$1.10M0.05%+7,447+763.0%Added
Truist Financial Corp8,080$1.06M0.00%+2,442+43.3%Added