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Livermore
ZHEN

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 2024

Institutional positions in Masimo Corp as of Jun 30, 2024. 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
352
+15 vs. Q1 2024
Shares held
49.5M
−2.12M (−4.1%) vs. Q1 2024
Total value
$6.24B
−$1.35B (−17.8%) vs. Q1 2024
New holders
56
117 more added
Sold out
41
109 more reduced

2 institutions that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2024: 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 2024: 352 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 2024: $6.24B
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 2024

Shares, value and share of portfolio for each institution holding Masimo Corp; share changes are against Q1 2024.

Institutions holding MASI in Q2 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Smithfield Trust Co65$8.00K0.00%00.0%Unchanged
Smartleaf Asset Management LLC55$7.23K0.00%+39+243.8%Added
Colonial Trust Advisors57$7.18K0.00%00.0%Unchanged
Investors Research Corp50$6.30K0.00%00.0%Unchanged
JJJ Advisors Inc.49$6.17K0.00%00.0%Unchanged
Clean Yield Group49$6.17K0.00%00.0%Unchanged
Ashton Thomas Private Wealth, LLC49$6.17K0.00%+49New
Allspring Global Investments Holdings, LLC44$5.54K0.00%−46,563−99.9%Reduced
First Horizon Advisors, Inc.41$5.16K0.00%−27−39.7%Reduced
Principal Securities, Inc.40$5.04K0.00%+5+14.3%Added
ADAR1 Capital Management, LLC38$4.79K0.00%00.0%Unchanged
State of Wyoming38$4.79K0.00%+10+35.7%Added
Private Wealth Management Group, LLC38$4.79K0.00%+23+153.3%Added
GPS Wealth Strategies Group, LLC37$4.66K0.00%00.0%Unchanged
CIBC Private Wealth Group, LLC40$4.51K0.00%00.0%Unchanged
Nisa Investment Advisors, LLC34$4.28K0.00%+5+17.2%Added
Ronald Blue Trust, Inc.29$4.26K0.00%+29New
Parkside Financial Bank & Trust28$3.53K0.00%+10+55.6%Added
Innealta Capital, LLC26$3.27K0.00%+26New
Hallmark Capital Management Inc26$3.27K0.00%00.0%Unchanged
Quest Partners LLC25$3.15K0.00%+15+150.0%Added
Castleview Partners, LLC25$3.15K0.00%+25New
Bell Investment Advisors, Inc23$2.90K0.00%00.0%Unchanged
Umb Bank N A22$2.77K0.00%+11+100.0%Added
Sunbelt Securities, Inc.20$2.52K0.00%00.0%Unchanged
WealthCollab, LLC20$2.52K0.00%00.0%Unchanged
VisionPoint Advisory Group, LLC20$2.52K0.00%+3+17.6%Added
Sachetta, LLC23$2.45K0.00%00.0%Unchanged
Farmers & Merchants Investments Inc18$2.27K0.00%00.0%Unchanged
JFS Wealth Advisors, LLC17$2.14K0.00%00.0%Unchanged
SRS Capital Advisors, Inc.16$2.02K0.00%+16New
Bogart Wealth, LLC16$2.02K0.00%+16New
Kiely Wealth Advisory Group, Inc.15$1.92K0.00%00.0%Unchanged
Versant Capital Management, Inc15$1.89K0.00%00.0%Unchanged
Ancora Advisors, LLC15$1.89K0.00%+15New
Leonteq Securities AG14$1.76K0.00%−400−96.6%Reduced
FinTrust Capital Advisors, LLC13$1.64K0.00%00.0%Unchanged
SJS Investment Consulting Inc.13$1.64K0.00%00.0%Unchanged
Coppell Advisory Solutions LLC13$1.64K0.00%+13New
Adirondack Trust Co12$1.51K0.00%00.0%Unchanged
Quent Capital, LLC11$1.39K0.00%−5−31.3%Reduced
IFP Advisors, Inc7$8820.00%00.0%Unchanged
DiNuzzo Private Wealth, Inc.6$7560.00%+1+20.0%Added
Abich Financial Wealth Management LLC6$7560.00%+6New
Kayne Anderson Rudnick Investment Management LLC5$6300.00%00.0%Unchanged
Jones Financial Companies LLLP5$6300.00%+5New
Global Retirement Partners, LLC4$5040.00%−20−83.3%Reduced
CVA Family Office, LLC4$5040.00%+4New
Pacific Capital Wealth Advisors, Inc2$2520.00%+2New
Larson Financial Group LLC1$1260.00%−45−97.8%Reduced
Rothschild Investment LLC1$1260.00%00.0%Unchanged
Capital Advisors, Ltd. LLC2$00.00%00.0%Unchanged
MIG Capital, LLC0$00.00%−381,732−100.0%Sold out
Jackson Square Partners, LLC0$00.00%−296,458−100.0%Sold out
ArrowMark Colorado Holdings LLC0$00.00%−218,810−100.0%Sold out
American International Group, Inc.0$00.00%−59,110−100.0%Sold out
Mirae Asset Global Investments Co., Ltd.0$00.00%−42,196−100.0%Sold out
Texas Permanent School Fund0$00.00%−38,847−100.0%Sold out
Moran Wealth Management, LLC0$00.00%−37,380−100.0%Sold out
Trexquant Investment LP0$00.00%−35,755−100.0%Sold out
British Columbia Investment Management Corp0$00.00%−35,000−100.0%Sold out
Cinctive Capital Management LP0$00.00%−13,963−100.0%Sold out
Y-Intercept (Hong Kong) Ltd0$00.00%−11,225−100.0%Sold out
Laurus Investment Counsel Inc.0$00.00%−7,710−100.0%Sold out
Capital Impact Advisors, LLC0$00.00%−10,120−100.0%Sold out
Linden Thomas Advisory Services, LLC0$00.00%−8,755−100.0%Sold out
Seaport Global Advisors, LLC0$00.00%−7,109−100.0%Sold out
Landscape Capital Management, L.L.C.0$00.00%−5,164−100.0%Sold out
Harvest Fund Management Co., Ltd0$00.00%−3,596−100.0%Sold out
Silvercrest Asset Management Group LLC0$00.00%−2,925−100.0%Sold out
Verition Fund Management LLC0$00.00%−2,578−100.0%Sold out
SageView Advisory Group, LLC0$00.00%−1,470−100.0%Sold out
Stifel Financial Corp0$00.00%−2,397−100.0%Sold out
Toroso Investments, LLC0$00.00%−2,179−100.0%Sold out
GeoWealth Management, LLC0$00.00%−2,147−100.0%Sold out
Axq Capital, LP0$00.00%−2,000−100.0%Sold out
SG Americas Securities, LLC0$00.00%−1,979−100.0%Sold out
Independent Advisor Alliance0$00.00%−1,936−100.0%Sold out
Wolverine Trading, LLC0$00.00%−1,746−100.0%Sold out
Cerity Partners LLC0$00.00%−1,742−100.0%Sold out
Profund Advisors LLC0$00.00%−1,577−100.0%Sold out
Paloma Partners Management Co0$00.00%−1,504−100.0%Sold out
Envestnet Portfolio Solutions, Inc.0$00.00%−1,480−100.0%Sold out
CIBC Asset Management Inc0$00.00%−1,383−100.0%Sold out
Qube Research & Technologies Ltd0$00.00%−1,037−100.0%Sold out
Northwest & Ethical Investments L.P.0$00.00%−1,000−100.0%Sold out
Crewe Advisors LLC0$00.00%−70−100.0%Sold out
Hantz Financial Services, Inc.0$00.00%−54−100.0%Sold out
Bear Mountain Capital, Inc.0$00.00%−40−100.0%Sold out
WFA Asset Management Corp0$00.00%−12−100.0%Sold out
CoreCap Advisors, LLC0$00.00%−3−100.0%Sold out
Financial Synergies Wealth Advisors, Inc.0$00.00%−2−100.0%Sold out
Amundi0$00.00%−2−100.0%Sold out
Credit Suisse AG––––Not filed
Handelsinvest Investeringsforvaltning––––Not filed