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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 2023

Institutional positions in Masimo Corp as of Jun 30, 2023. 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
415
−13 vs. Q1 2023
Shares held
46.0M
+958.6K (+2.1%) vs. Q1 2023
Total value
$7.56B
−$738.3M (−8.9%) vs. Q1 2023
New holders
45
114 more added
Sold out
58
171 more reduced

Compare with Q1 2023: 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 2023: 415 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 2023: $7.56B
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 2023

Shares, value and share of portfolio for each institution holding Masimo Corp; share changes are against Q1 2023.

Institutions holding MASI in Q2 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Moran Wealth Management, LLC33,660$5.54M0.21%−521−1.5%Reduced
Storebrand Asset Management AS33,350$5.49M0.03%+28,248+553.7%Added
Wells Fargo & Company33,262$5.47M0.00%+17,983+117.7%Added
Gabelli Funds LLC33,000$5.43M0.04%00.0%Unchanged
South Dakota Investment Council32,947$5.42M0.11%+900+2.8%Added
Banco Santander, S.A.32,724$5.38M0.07%−405−1.2%Reduced
Man Group plc32,548$5.36M0.02%––
MetLife Investment Management31,057$5.11M0.04%−26−0.1%Reduced
CenterBook Partners LP29,755$4.90M0.61%+15,245+105.1%Added
13D Management LLC27,600$4.54M2.48%+27,600New
Mirae Asset Global Investments Co., Ltd.26,933$4.43M0.01%−17,416−39.3%Reduced
Mitsubishi UFJ Trust & Banking Corp26,714$4.40M0.01%−5,531−17.2%Reduced
State of New Jersey Common Pension Fund D26,666$4.39M0.01%−1,877−6.6%Reduced
Westmount Partners, LLC26,424$4.35M1.89%00.0%Unchanged
State of Tennessee, Treasury Department26,090$4.29M0.02%−7,848−23.1%Reduced
Abn Amro Investment Solutions26,086$4.29M0.09%−286−1.1%Reduced
Two Sigma Investments, LP25,360$4.17M0.01%+13,500+113.8%Added
Voya Investment Management LLC24,786$4.08M0.00%+5,935+31.5%Added
Brookfield Asset Management Inc.24,652$4.06M0.02%+4,406+21.8%Added
Yousif Capital Management, LLC24,344$4.01M0.05%−811−3.2%Reduced
Capital Fund Management S.A.24,286$4.00M0.06%+24,286New
Mirabella Financial Services LLP24,106$3.97M0.46%+24,106New
HSBC Holdings PLC23,985$3.95M0.00%−8,609−26.4%Reduced
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.23,852$3.92M0.01%−3,788−13.7%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys23,472$3.86M0.03%+1,691+7.8%Added
Brown Capital Management LLC22,123$3.64M0.05%+2,840+14.7%Added
Cinctive Capital Management LP21,845$3.59M0.14%−100,413−82.1%Reduced
Public Employees Retirement System of Ohio21,795$3.59M0.01%−2,103−8.8%Reduced
Victory Capital Management Inc21,756$3.58M0.00%+1,564+7.7%Added
Oregon Public Employees Retirement Fund21,534$3.54M0.04%+3,446+19.1%Added
Treasurer of the State of North Carolina20,759$3.42M0.02%+20+0.1%Added
Commerce Bank20,576$3.39M0.03%+18,638+961.7%Added
Price T Rowe Associates Inc20,103$3.31M0.00%−96,568−82.8%Reduced
LPL Financial LLC19,726$3.25M0.00%−279−1.4%Reduced
Shell Asset Management Co19,471$3.20M0.13%−14,028−41.9%Reduced
BNP Paribas Arbitrage, SA19,445$3.20M0.01%−6,259−24.4%Reduced
Bank of America Corp19,175$3.16M0.00%−44,158−69.7%Reduced
Andra AP-fonden18,600$3.06M0.08%−9,900−34.7%Reduced
Thrivent Financial for Lutherans18,456$3.04M0.01%+5,693+44.6%Added
Squarepoint Ops LLC18,451$3.04M0.02%+18,451New
Royal London Asset Management Ltd18,411$3.03M0.01%+2,345+14.6%Added
TD Asset Management Inc17,754$2.92M0.00%−6,070−25.5%Reduced
Brown Advisory Inc17,719$2.92M0.00%−200−1.1%Reduced
Korea Investment CORP17,505$2.88M0.01%+1,551+9.7%Added
Pictet Asset Management SA16,570$2.73M0.00%−49,200−74.8%Reduced
Ascent Wealth Partners, LLC17,047$2.72M0.48%+921+5.7%Added
Envestnet Asset Management Inc16,218$2.67M0.00%−1,593−8.9%Reduced
Ensign Peak Advisors, Inc16,125$2.65M0.01%+400+2.5%Added
Birchview Capital, LP15,280$2.51M1.88%00.0%Unchanged
Marshall Wace, LLP14,899$2.45M0.01%−1,033−6.5%Reduced
Creative Planning14,705$2.42M0.00%+3,332+29.3%Added
Lockerman Financial Group, Inc.14,400$2.37M6.58%00.0%Unchanged
Louisiana State Employees Retirement System14,200$2.34M0.05%+1,400+10.9%Added
Empower Advisory Group, LLC14,060$2.31M0.01%−452−3.1%Reduced
Pacer Advisors, Inc.12,701$2.09M0.01%+11,327+824.4%Added
Zacks Investment Management12,561$2.07M0.03%+1,791+16.6%Added
De Burlo Group Inc12,452$2.05M0.34%00.0%Unchanged
KBC Group NV12,248$2.02M0.01%−4,997−29.0%Reduced
Arizona State Retirement System12,202$2.01M0.02%−2,316−16.0%Reduced
Ameritas Investment Partners, Inc.12,126$2.00M0.08%−186−1.5%Reduced
State of Michigan Retirement System11,996$1.97M0.01%−200−1.6%Reduced
Nomura Asset Management Co Ltd11,420$1.88M0.01%00.0%Unchanged
Paradigm Capital Management Inc11,353$1.87M0.11%00.0%Unchanged
JustInvest LLC11,065$1.82M0.06%+90+0.8%Added
Cardinal Capital Management11,057$1.82M0.37%+240+2.2%Added
Laurus Investment Counsel Inc.8,340$1.82M0.65%00.0%Unchanged
Susquehanna International Group, LLP10,994$1.81M0.00%+5,985+119.5%Added
DnB Asset Management AS10,990$1.81M0.01%00.0%Unchanged
Xponance, Inc.10,886$1.79M0.02%+748+7.4%Added
Assetmark, Inc10,853$1.79M0.01%+578+5.6%Added
Northwestern Mutual Investment Management Company, LLC10,791$1.78M0.05%+61+0.6%Added
Toronto Dominion Bank10,730$1.76M0.00%−3,110−22.5%Reduced
Forsta Ap-Fonden10,300$1.69M0.02%+10,300New
Pura Vida Investments, LLC10,000$1.65M0.68%+10,000New
New Mexico Educational Retirement Board9,900$1.63M0.07%+1,100+12.5%Added
SG Americas Securities, LLC9,719$1.60M0.01%+3,324+52.0%Added
Peloton Wealth Strategists9,550$1.57M0.70%−15−0.2%Reduced
Illinois Municipal Retirement Fund9,309$1.53M0.03%00.0%Unchanged
Eukles Asset Management9,254$1.52M0.78%−54−0.6%Reduced
Skandinaviska Enskilda Banken AB (publ)9,065$1.49M0.01%−215−2.3%Reduced
IFM Investors Pty Ltd8,927$1.47M0.02%+214+2.5%Added
Handelsbanken Fonder AB8,830$1.45M0.01%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)8,758$1.44M0.01%−4,647−34.7%Reduced
Teachers Retirement System of the State of Kentucky8,537$1.41M0.01%+797+10.3%Added
Standard Life Aberdeen plc8,425$1.39M0.00%−101−1.2%Reduced
Utah Retirement Systems8,221$1.35M0.02%−200−2.4%Reduced
Tredje AP-fonden8,178$1.35M0.02%−2,410−22.8%Reduced
Russell Investments Group, Ltd.8,117$1.34M0.00%+8+0.1%Added
Spears Abacus Advisors LLC7,629$1.26M0.10%−82−1.1%Reduced
ExodusPoint Capital Management, LP7,568$1.25M0.01%−1,621−17.6%Reduced
Advisor Group Holdings, Inc.7,514$1.24M0.00%−1,962−20.7%Reduced
Janney Montgomery Scott LLC7,413$1.22M0.00%+374+5.3%Added
Los Angeles Capital Management LLC7,405$1.22M0.00%−3,280−30.7%Reduced
US Bancorp7,272$1.20M0.00%−701−8.8%Reduced
Gotham Asset Management, LLC6,962$1.15M0.02%+1,180+20.4%Added
Exchange Traded Concepts, LLC6,827$1.12M0.03%+644+10.4%Added
Brinker Capital Investments, LLC6,579$1.08M0.01%−260−3.8%Reduced
Orion Portfolio Solutions, LLC6,579$1.08M0.01%−260−3.8%Reduced
Linden Thomas Advisory Services, LLC6,557$1.08M0.24%+81+1.3%Added
Truist Financial Corp6,528$1.07M0.00%−1,089−14.3%Reduced