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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.

Q3 2024 vs. Q2 2024

How the institutions holding Masimo Corp changed between Q2 2024 and Q3 2024.

All holders in Q3 2024All holders in Q2 2024

13F holders of MASI: Q2 2024 compared with Q3 2024
MeasureQ2 2024Of which not filed for Q3 2024Q3 2024Change
Holders3523362+13
Shares49.5M9.35M50.4M+10.3M (+25.6%)
Value$6.24B$1.18B$6.72B+$1.66B (+32.8%)

3 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so the changes leave them out.

New holders (61)

Institutions that held Masimo Corp at the end of Q3 2024 but not at the end of Q2 2024.

Institutions new to MASI in Q3 2024
InstitutionSharesValue% of portfolio
BlackRock, Inc.8,822,269$1.18B0.02%
Clearline Capital LP160,029$21.3M1.89%
Canada Pension Plan Investment Board104,300$13.9M0.01%
Twin Tree Management, LP94,416$12.6M0.29%
Nomura Holdings Inc47,584$6.34M0.05%
Sterling Capital Management LLC40,939$5.46M0.07%
Bank of Nova Scotia35,438$4.72M0.01%
Healthcare of Ontario Pension Plan Trust Fund30,900$4.12M0.01%
SG Americas Securities, LLC28,967$3.86M0.01%
Amundi24,035$3.36M0.00%
Troluce Capital Advisors LLC25,000$3.33M0.60%
D. E. Shaw & Co., Inc.24,358$3.25M0.00%
Nordea Investment Management AB19,040$2.54M0.00%
XTX Topco Ltd17,157$2.29M0.17%
AQR Capital Management LLC16,216$2.16M0.00%
Gluskin Sheff & Assoc Inc14,425$1.93M0.23%
STRS Ohio12,788$1.71M0.01%
Axq Capital, LP11,133$1.48M0.45%
Shay Capital LLC10,150$1.35M0.40%
Winton Group Ltd7,712$1.03M0.07%
Lombard Odier Asset Management (USA) Corp7,171$956.1K0.36%
Acadian Asset Management LLC7,169$953.0K0.00%
Centiva Capital, LP5,087$678.3K0.03%
Graham Capital Management, L.P.4,483$597.7K0.02%
Fred Alger Management, LLC4,459$594.5K0.00%
Steel Peak Wealth Management LLC4,274$569.9K0.03%
Y-Intercept (Hong Kong) Ltd3,893$519.1K0.03%
Kovitz Investment Group Partners, LLC3,902$498.7K0.00%
Oppenheimer Asset Management Inc.3,584$477.9K0.01%
Malaga Cove Capital, LLC3,005$400.7K0.16%
CWM Advisors, LLC2,964$395.2K0.04%
Inceptionr LLC2,455$327.3K0.08%
Toroso Investments, LLC2,389$318.5K0.00%
Empowered Funds, LLC2,095$279.3K0.00%
Vestmark Advisory Solutions, Inc.2,042$272.3K0.01%
Cerity Partners LLC1,953$260.4K0.00%
Verition Fund Management LLC1,840$245.3K0.00%
Kapitalo Investimentos Ltda1,815$242.0K0.06%
Stifel Financial Corp1,716$228.8K0.00%
Cambridge Investment Research Advisors, Inc.1,542$206.0K0.00%
CIBC Asset Management Inc1,544$205.9K0.00%
Cresset Asset Management, LLC1,528$203.7K0.00%
Harvest Fund Management Co., Ltd886$118.0K0.01%
Danske Bank A/S500$66.7K0.00%
Catalyst Funds Management Pty Ltd400$53.3K0.01%
Clear Street Markets LLC107$14.0K0.01%
Optiver Holding B.V.94$12.5K0.00%
True Wealth Design, LLC70$9.33K0.00%
Skopos Labs, Inc.39$5.20K0.00%
Geneos Wealth Management Inc.12$1.60K0.00%
Capital Performance Advisors LLP11$1.47K0.00%
Continuum Advisory, LLC9$1.44K0.00%
J.Safra Asset Management Corp9$1.20K0.00%
Hemington Wealth Management12$1.00K0.00%
Ashton Thomas Securities, LLC6$8000.00%
Prestige Wealth Management Group LLC4$5340.00%
CoreCap Advisors, LLC3$4000.00%
Abound Wealth Management3$4000.00%
Claris Advisors, LLC2$2670.00%
Bokf, NA2$2650.00%
First Personal Financial Services1$1340.00%

Sold out (48)

Institutions that held Masimo Corp at the end of Q2 2024 and filed for Q3 2024 without it.

Institutions that sold out of MASI in Q3 2024
InstitutionShares, Q2 2024Value, Q2 2024
Point72 Asset Management, L.P.677,677$85.3M
ExodusPoint Capital Management, LP202,304$25.5M
Balyasny Asset Management LLC135,719$17.1M
Senator Investment Group LP100,000$12.6M
One Fin Capital Management LP95,000$12.0M
Marshall Wace, LLP94,798$11.9M
LMR Partners LLP40,354$5.08M
APG Asset Management N.V.33,287$3.91M
HSBC Holdings PLC27,609$3.51M
Boothbay Fund Management, LLC27,391$3.45M
CenterBook Partners LP25,293$3.19M
Point72 Hong Kong Ltd25,276$3.18M
Pura Vida Investments, LLC25,000$3.15M
Simplify Asset Management Inc.21,670$2.73M
Sofinnova Investments, Inc.20,161$2.54M
Exome Asset Management LLC19,800$2.49M
Jump Financial, LLC13,295$1.67M
Fox Run Management, L.L.C.13,068$1.65M
Bayesian Capital Management, LP9,307$1.17M
Aquatic Capital Management LLC8,800$1.11M
Sherbrooke Park Advisers LLC8,223$1.04M
Juncture Wealth Strategies, LLC7,992$1.01M
Dynamic Technology Lab Private Ltd7,351$926.0K
Millrace Asset Group, Inc.7,002$882.0K
Navellier & Associates Inc6,310$794.7K
Blueshift Asset Management, LLC5,783$728.3K
Prelude Capital Management, LLC4,600$579.3K
Martin Currie Ltd3,445$433.9K
LRT Capital Management, LLC2,768$348.6K
Two Sigma Securities, LLC2,659$334.9K
Oak Thistle LLC2,079$261.8K
Deerfield Management Company, L.P. (Series C)1,848$232.7K
Ieq Capital, LLC1,736$218.6K
Kestra Private Wealth Services, LLC1,700$214.1K
EntryPoint Capital, LLC1,243$156.5K
Headlands Technologies LLC866$109.1K
Great Lakes Retirement, Inc.259$32.6K
Harel Insurance Investments & Financial Services Ltd.214$27.0K
Ashton Thomas Private Wealth, LLC49$6.17K
Innealta Capital, LLC26$3.27K
Castleview Partners, LLC25$3.15K
VisionPoint Advisory Group, LLC20$2.52K
Bogart Wealth, LLC16$2.02K
Ancora Advisors, LLC15$1.89K
Abich Financial Wealth Management LLC6$756
Jones Financial Companies LLLP5$630
CVA Family Office, LLC4$504
Pacific Capital Wealth Advisors, Inc2$252

Not filed for Q3 2024 yet (3)

Institutions that held Masimo Corp at the end of Q2 2024 and haven't filed a 13F for Q3 2024. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding MASI in Q2 2024 that haven't filed for Q3 2024
InstitutionShares, Q2 2024Value, Q2 2024
BlackRock Inc.9,351,239$1.18B
Institutional & Family Asset Management, LLC3,650$459.7K
JJJ Advisors Inc.49$6.17K