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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, Q3 2022

Institutional positions in Masimo Corp as of Sep 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
418
+9 vs. Q2 2022
Shares held
46.3M
+2.09M (+4.7%) vs. Q2 2022
Total value
$6.54B
+$745.4M (+12.9%) vs. Q2 2022
New holders
60
109 more added
Sold out
51
183 more reduced

8 institutions that held it in Q2 2022 haven't filed for Q3 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2022: 418 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 heldQ3 2022: $6.54B
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, Q3 2022

Shares, value and share of portfolio for each institution holding Masimo Corp; share changes are against Q2 2022.

Institutions holding MASI in Q3 2022
InstitutionSharesValue% of portfolioChange in sharesAction
North Star Asset Management Inc7,907$1.12M0.08%−2,823−26.3%Reduced
Advisor Group Holdings, Inc.7,791$1.10M0.00%+905+13.1%Added
Alberta Investment Management Corp7,741$1.09M0.01%−9,000−53.8%Reduced
Teachers Retirement System of the State of Kentucky7,740$1.09M0.01%+7,740New
Exchange Traded Concepts, LLC7,664$1.08M0.04%−3,884−33.6%Reduced
Public Employees Retirement Association of Colorado7,537$1.06M0.01%00.0%Unchanged
Teacher Retirement System of Texas7,529$1.06M0.01%−514−6.4%Reduced
Brinker Capital Investments, LLC7,443$1.05M0.02%−240−3.1%Reduced
AlphaCrest Capital Management LLC7,258$1.02M0.06%−6,488−47.2%Reduced
Mirabella Financial Services LLP7,101$1.00M0.10%+7,101New
CenterBook Partners LP7,043$994.0K0.19%+581+9.0%Added
Assetmark, Inc7,030$992.0K0.00%−3,178−31.1%Reduced
Quantbot Technologies LP7,025$991.0K0.07%+7,025New
Northwestern Mutual Investment Management Company, LLC6,980$985.0K0.02%−1,567−18.3%Reduced
TD Asset Management Inc6,906$983.0K0.00%−5,919−46.2%Reduced
The PNC Financial Services Group, Inc.6,880$972.0K0.00%+497+7.8%Added
Schonfeld Strategic Advisors LLC6,819$963.0K0.01%+6,819New
State of Alaska, Department of Revenue6,708$946.0K0.01%−635−8.6%Reduced
Fiera Capital Corp6,661$940.0K0.00%00.0%Unchanged
Terry L. Blaker6,649$938.0K0.09%+1,377+26.1%Added
Private Advisor Group, LLC6,622$935.0K0.01%−24−0.4%Reduced
Marshall Financial Group LLC6,362$898.0K0.38%+9+0.1%Added
Diversified Trust Co6,269$885.0K0.04%−3,056−32.8%Reduced
Storebrand Asset Management AS6,243$881.3K0.01%−4,262−40.6%Reduced
Mariner, LLC6,244$881.0K0.00%+6,244New
Nissay Asset Management Corp6,053$854.0K0.01%+250+4.3%Added
Van Eck Associates Corp6,015$849.0K0.00%+349+6.2%Added
Franklin Resources Inc5,998$847.0K0.00%−5,249−46.7%Reduced
Boothbay Fund Management, LLC5,561$785.0K0.03%+1,052+23.3%Added
Knowledge Leaders Capital, LLC5,496$776.0K0.99%+5,496New
Blue Whale Capital LLP5,200$734.0K0.13%−163,500−96.9%Reduced
Robeco Institutional Asset Management B.V.5,203$733.0K0.00%−3,528−40.4%Reduced
Pathstone Family Office, LLC4,947$698.3K0.01%+3,288+198.2%Added
MML Investors Services, LLC4,763$672.0K0.01%−690−12.7%Reduced
Crossmark Global Holdings, Inc.4,644$655.0K0.02%−102−2.1%Reduced
Macquarie Group Ltd4,552$642.0K0.00%−590−11.5%Reduced
Winton Group Ltd4,517$638.0K0.04%+4,517New
Quantamental Technologies LLC4,478$632.0K0.25%+1,569+53.9%Added
Securian Asset Management, Inc4,413$623.0K0.02%−242−5.2%Reduced
Candriam Luxembourg S.C.A.4,339$613.0K0.00%+4,339New
Standard Life Aberdeen plc4,333$611.0K0.00%−962−18.2%Reduced
Gotham Asset Management, LLC4,315$609.0K0.02%−2,193−33.7%Reduced
Allstate Corp4,286$605.0K0.02%+1,185+38.2%Added
Prudential Financial Inc4,181$590.0K0.00%−19,272−82.2%Reduced
AQR Capital Management LLC4,009$566.0K0.00%−387,733−99.0%Reduced
Westpac Banking Corp3,952$557.9K0.01%−3,306−45.5%Reduced
Vontobel Holding Ltd.3,870$551.0K0.01%−333−7.9%Reduced
Squarepoint Ops LLC3,761$531.0K0.00%−2,318−38.1%Reduced
Blueshift Asset Management, LLC3,716$525.0K0.11%+3,716New
American Century Companies Inc3,699$522.0K0.00%+1,059+40.1%Added
Cipher Capital LP3,693$521.0K0.08%+3,693New
Pacer Advisors, Inc.3,685$520.0K0.00%+3,685New
Verus Capital Partners, LLC3,651$515.0K0.10%+3,623+12,939.3%Added
Institutional & Family Asset Management, LLC3,650$515.0K0.09%00.0%Unchanged
Oxford Financial Group Ltd3,642$514.0K0.08%00.0%Unchanged
Raymond James Trust N.A.3,608$509.0K0.02%+824+29.6%Added
Cambridge Investment Research Advisors, Inc.3,512$496.0K0.00%+290+9.0%Added
ProShare Advisors LLC3,409$482.0K0.00%−234−6.4%Reduced
Advisors Asset Management, Inc.3,404$481.0K0.01%−29−0.8%Reduced
Nordea Investment Management AB3,328$480.0K0.00%00.0%Unchanged
Qtron Investments LLC3,250$459.0K0.11%+3,250New
Arkadios Wealth Advisors3,168$447.0K0.07%−969−23.4%Reduced
Sumitomo Mitsui DS Asset Management Company, Ltd3,113$439.0K0.01%+33+1.1%Added
DuPont Capital Management Corp3,045$430.0K0.03%−5,378−63.8%Reduced
Stifel Financial Corp3,028$428.0K0.00%−402−11.7%Reduced
DAFNA Capital Management LLC3,000$423.0K0.11%00.0%Unchanged
Cetera Investment Advisers2,986$422.0K0.01%−356−10.7%Reduced
Quantitative Investment Management, LLC2,916$411.0K0.07%+2,916New
Advisor Partners II, LLC2,889$408.0K0.03%+2,889New
Seeyond2,854$402.0K0.05%−154−5.1%Reduced
Daiwa Securities Group Inc.2,823$398.0K0.00%+200+7.6%Added
Sigma Planning Corp2,800$395.0K0.02%−38−1.3%Reduced
American Portfolios Advisors2,737$386.4K0.02%−7−0.3%Reduced
Krilogy Financial LLC2,698$381.0K0.05%+29+1.1%Added
Shelton Capital Management2,684$379.0K0.02%00.0%Unchanged
Quantinno Capital Management LP2,645$373.0K0.05%+6+0.2%Added
Baird Financial Group, Inc.2,634$372.0K0.00%−5−0.2%Reduced
Echo Street Capital Management LLC2,596$366.0K0.00%−2,713−51.1%Reduced
Buckhead Capital Management LLC2,545$359.0K0.09%00.0%Unchanged
KCM Investment Advisors LLC2,515$355.0K0.02%00.0%Unchanged
HighTower Advisors, LLC2,459$348.0K0.00%+275+12.6%Added
Intech Investment Management LLC2,459$347.1K0.00%−18,363−88.2%Reduced
Lombard Odier Asset Management (Europe) Ltd2,450$346.0K0.02%00.0%Unchanged
Panagora Asset Management Inc2,370$335.0K0.00%−26,278−91.7%Reduced
Silvercrest Asset Management Group LLC2,321$328.0K0.00%+54+2.4%Added
Red Spruce Capital, LLC2,263$319.0K0.22%00.0%Unchanged
Raymond James Financial Services Advisors, Inc.2,235$315.0K0.00%−161−6.7%Reduced
BancorpSouth Bank2,172$307.0K0.03%00.0%Unchanged
Verition Fund Management LLC2,169$306.0K0.00%+2,169New
CIBC Asset Management Inc2,125$300.0K0.00%00.0%Unchanged
Profund Advisors LLC2,073$293.0K0.02%−187−8.3%Reduced
Commonwealth Equity Services, LLC2,049$289.0K0.00%+15+0.7%Added
Aigen Investment Management, LP2,029$286.0K0.04%+2,029New
Ethic Inc.2,023$286.0K0.02%+2,023New
Commerce Bank1,970$278.0K0.00%00.0%Unchanged
Jefferies Group LLC1,960$276.7K0.01%+1,960New
Yorktown Management & Research Co Inc1,950$275.0K0.36%+1,950New
PEAK6 Investments LLC1,922$271.0K0.01%−9,921−83.8%Reduced
Two Sigma Securities, LLC1,916$270.0K0.04%+1,916New
Centiva Capital, LP1,900$268.0K0.02%+1,900New