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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
Atticus Wealth Management, LLC1,000$131.0K0.05%00.0%Unchanged
United Community Bank1,057$138.1K0.15%+95+9.9%Added
Whittier Trust Co1,134$148.0K0.00%00.0%Unchanged
CWM, LLC1,173$153.0K0.00%+91+8.4%Added
Captrust Financial Advisors1,202$157.0K0.00%−190−13.6%Reduced
Vestcor Inc1,224$160.0K0.01%+394+47.5%Added
Federation des caisses Desjardins du Quebec1,261$164.8K0.00%+500+65.7%Added
C M Bidwell & Associates Ltd1,365$178.0K0.14%+1,365New
Tudor Investment Corp Et Al1,529$200.0K0.01%−11,844−88.6%Reduced
Kestra Private Wealth Services, LLC1,528$200.0K0.01%+1,528New
Financial Advocates Investment Management1,540$202.0K0.02%+1,540New
Altium Wealth Management LLC1,553$203.0K0.01%+1,553New
Signaturefd, LLC1,575$206.0K0.01%−96−5.7%Reduced
Pitcairn Co1,607$210.0K0.02%−379−19.1%Reduced
TD Waterhouse Canada Inc.1,533$211.0K0.00%−18−1.2%Reduced
M&G Investment Management Ltd1,631$214.0K0.00%+163+11.1%Added
Fox Run Management, L.L.C.1,650$216.0K0.11%−161−8.9%Reduced
Pathstone Family Office, LLC1,659$216.8K0.00%+438+35.9%Added
Bayesian Capital Management, LP1,764$231.0K0.04%+1,764New
Worldquant Millennium Advisors LLC1,782$233.0K0.01%−234,291−99.2%Reduced
M&T Bank Corp1,809$233.0K0.00%−157−8.0%Reduced
AE Wealth Management LLC1,814$237.0K0.00%+173+10.5%Added
Independent Advisor Alliance1,894$248.0K0.01%−130−6.4%Reduced
Janney Capital Management LLC1,898$248.0K0.02%−17−0.9%Reduced
Commerce Bank1,970$258.0K0.00%−2,249−53.3%Reduced
Commonwealth Equity Services, LLC2,034$265.0K0.00%−117−5.4%Reduced
Caxton Associates LP2,054$268.0K0.03%+2,054New
Pearl River Capital, LLC2,100$274.0K0.06%+2,100New
CIBC Asset Management Inc2,125$278.0K0.00%−155−6.8%Reduced
BancorpSouth Bank2,172$284.0K0.04%00.0%Unchanged
HighTower Advisors, LLC2,184$286.0K0.00%+472+27.6%Added
Coldstream Capital Management Inc2,251$294.0K0.01%+480+27.1%Added
Profund Advisors LLC2,260$295.0K0.02%−319−12.4%Reduced
Silvercrest Asset Management Group LLC2,267$296.0K0.00%−532−19.0%Reduced
Red Spruce Capital, LLC2,263$296.0K0.20%+448+24.7%Added
Raymond James Financial Services Advisors, Inc.2,396$313.0K0.00%−235−8.9%Reduced
KBC Group NV2,411$315.0K0.00%+351+17.0%Added
Achmea Investment Management B.V.2,442$319.0K0.01%00.0%Unchanged
Lombard Odier Asset Management (Europe) Ltd2,450$320.0K0.02%+2,450New
KCM Investment Advisors LLC2,515$329.0K0.01%+100+4.1%Added
Buckhead Capital Management LLC2,545$333.0K0.08%+2,545New
Daiwa Securities Group Inc.2,623$343.0K0.00%−70−2.6%Reduced
American Century Companies Inc2,640$345.0K0.00%−6,159−70.0%Reduced
FORA Capital, LLC2,641$345.0K0.07%−2,974−53.0%Reduced
Baird Financial Group, Inc.2,639$345.0K0.00%−1,513−36.4%Reduced
Quantinno Capital Management LP2,639$345.0K0.05%−329−11.1%Reduced
Krilogy Financial LLC2,669$349.0K0.04%+2,669New
Shelton Capital Management2,684$351.0K0.02%00.0%Unchanged
Capital Impact Advisors, LLC2,710$354.0K0.33%+785+40.8%Added
American Portfolios Advisors2,744$358.6K0.01%+139+5.3%Added
Raymond James Trust N.A.2,784$364.0K0.01%+440+18.8%Added
Sigma Planning Corp2,838$371.0K0.01%−62−2.1%Reduced
Advisor Partners LLC2,853$373.0K0.03%+1,162+68.7%Added
Quantamental Technologies LLC2,909$380.0K0.17%+2,909New
Arcadia Investment Management Corp2,932$383.0K0.09%−4,681−61.5%Reduced
DAFNA Capital Management LLC3,000$392.0K0.11%00.0%Unchanged
Seeyond3,008$393.0K0.04%−7,776−72.1%Reduced
Sumitomo Mitsui DS Asset Management Company, Ltd3,080$402.0K0.01%−562−15.4%Reduced
Allstate Corp3,101$405.0K0.01%−2,979−49.0%Reduced
Cambridge Investment Research Advisors, Inc.3,222$421.0K0.00%+45+1.4%Added
NinePointTwo Capital3,229$421.0K0.15%+3,229New
Pendal Group Limited3,306$432.0K0.00%+489+17.4%Added
Cetera Investment Advisers3,342$437.0K0.01%+3,342New
Nordea Investment Management AB3,328$439.0K0.00%−454−12.0%Reduced
Stifel Financial Corp3,430$448.0K0.00%+97+2.9%Added
Advisors Asset Management, Inc.3,433$449.0K0.01%+3,433New
Mitsubishi UFJ Asset Management (UK) Ltd.3,600$470.0K0.27%00.0%Unchanged
ProShare Advisors LLC3,643$475.0K0.00%−1,413−27.9%Reduced
Oxford Financial Group Ltd3,642$476.0K0.07%00.0%Unchanged
Institutional & Family Asset Management, LLC3,650$477.0K0.08%00.0%Unchanged
Verus Capital Partners, LLC28$480.0K0.09%−3,648−99.2%Reduced
Maryland State Retirement & Pension System3,736$488.0K0.02%00.0%Unchanged
Sciencast Management LP3,424$489.0K0.11%+3,424New
USS Investment Management Ltd3,881$507.0K0.01%−805−17.2%Reduced
Cantor Fitzgerald, L. P.4,030$527.0K0.01%+4,030New
Susquehanna International Group, LLP4,087$534.0K0.00%+4,087New
Arkadios Wealth Advisors4,137$541.0K0.08%+2,674+182.8%Added
Vontobel Holding Ltd.4,203$572.0K0.01%−7,218−63.2%Reduced
US Bancorp4,456$583.0K0.00%+680+18.0%Added
Walleye Capital LLC4,496$587.0K0.02%−14,469−76.3%Reduced
Boothbay Fund Management, LLC4,509$589.0K0.02%−3,329−42.5%Reduced
Securian Asset Management, Inc4,655$608.0K0.01%+112+2.5%Added
Crossmark Global Holdings, Inc.4,746$620.0K0.02%−280−5.6%Reduced
Wellington Management Group LLP5,065$662.0K0.00%−124,884−96.1%Reduced
Engineers Gate Manager LP5,104$667.0K0.02%−33,311−86.7%Reduced
Macquarie Group Ltd5,142$672.0K0.00%00.0%Unchanged
Terry L. Blaker5,272$689.0K0.07%−2,619−33.2%Reduced
Standard Life Aberdeen plc5,295$692.0K0.00%+1,121+26.9%Added
Echo Street Capital Management LLC5,309$694.0K0.01%+1,110+26.4%Added
MML Investors Services, LLC5,453$713.0K0.01%+637+13.2%Added
Van Eck Associates Corp5,666$740.0K0.00%+5,666New
Nissay Asset Management Corp5,803$758.0K0.01%+187+3.3%Added
Duality Advisers, LP5,961$779.0K0.08%−1,586−21.0%Reduced
Eversept Partners, LP5,984$781.9K0.08%−202,986−97.1%Reduced
Squarepoint Ops LLC6,079$794.0K0.01%−125,226−95.4%Reduced
Marshall Financial Group LLC6,353$830.0K0.33%+6,353New
Laurus Investment Counsel Inc.6,370$832.0K0.40%+6,370New
The PNC Financial Services Group, Inc.6,383$835.0K0.00%−800−11.1%Reduced
Janus Henderson Group PLC6,429$840.0K0.00%−1,249−16.3%Reduced
CenterBook Partners LP6,462$844.0K0.18%−333−4.9%Reduced