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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 2022 vs. Q2 2022

How the institutions holding Masimo Corp changed between Q2 2022 and Q3 2022.

All holders in Q3 2022All holders in Q2 2022

13F holders of MASI: Q2 2022 compared with Q3 2022
MeasureQ2 2022Of which not filed for Q3 2022Q3 2022Change
Holders4178418+9
Shares44.3M55.0K46.3M+2.09M (+4.7%)
Value$5.81B$7.23M$6.54B+$745.4M (+12.9%)

8 institutions that held it in Q2 2022 haven't filed for Q3 2022 yet. Not filing isn't selling, so the changes leave them out.

New holders (60)

Institutions that held Masimo Corp at the end of Q3 2022 but not at the end of Q2 2022.

Institutions new to MASI in Q3 2022
InstitutionSharesValue% of portfolio
Politan Capital Management LP4,648,869$656.2M39.51%
National Bank of Canada203,400$28.7M0.17%
Point72 Asset Management, L.P.203,088$28.7M0.12%
Hawk Ridge Capital Management LP179,308$25.3M1.59%
ING Groep NV150,000$21.2M0.35%
Susquehanna Fundamental Investments, LLC65,439$9.24M0.16%
Renaissance Technologies LLC47,800$6.75M0.01%
Brookfield Asset Management Inc.36,026$5.08M0.02%
Los Angeles Capital Management LLC31,300$4.42M0.02%
HRT Financial LP28,399$4.01M0.04%
DnB Asset Management AS27,197$3.84M0.03%
CIBC World Markets Corp26,600$3.75M0.05%
Pura Vida Investments, LLC25,800$3.64M0.55%
Allianz Asset Management GmbH23,855$3.37M0.01%
Virginia Retirement Systems Et Al23,000$3.25M0.04%
Balyasny Asset Management LLC16,505$2.33M0.01%
Cinctive Capital Management LP14,422$2.04M0.09%
Aquatic Capital Management LLC12,700$1.79M0.17%
De Burlo Group Inc12,652$1.79M0.43%
Tredje AP-fonden10,852$1.53M0.03%
Ergoteles LLC10,265$1.45M0.05%
Versor Investments LP8,600$1.21M0.07%
Teachers Retirement System of the State of Kentucky7,740$1.09M0.01%
Mirabella Financial Services LLP7,101$1.00M0.10%
Quantbot Technologies LP7,025$991.0K0.07%
Schonfeld Strategic Advisors LLC6,819$963.0K0.01%
Mariner, LLC6,244$881.0K0.00%
Knowledge Leaders Capital, LLC5,496$776.0K0.99%
Winton Group Ltd4,517$638.0K0.04%
Candriam Luxembourg S.C.A.4,339$613.0K0.00%
Blueshift Asset Management, LLC3,716$525.0K0.11%
Cipher Capital LP3,693$521.0K0.08%
Pacer Advisors, Inc.3,685$520.0K0.00%
Qtron Investments LLC3,250$459.0K0.11%
Quantitative Investment Management, LLC2,916$411.0K0.07%
Advisor Partners II, LLC2,889$408.0K0.03%
Verition Fund Management LLC2,169$306.0K0.00%
Aigen Investment Management, LP2,029$286.0K0.04%
Ethic Inc.2,023$286.0K0.02%
Jefferies Group LLC1,960$276.7K0.01%
Yorktown Management & Research Co Inc1,950$275.0K0.36%
Two Sigma Securities, LLC1,916$270.0K0.04%
Centiva Capital, LP1,900$268.0K0.02%
Barrett & Company, Inc.1,700$251.5K0.17%
Bluestein R H & Co1,500$212.0K0.01%
Berkshire Asset Management LLC1,450$205.0K0.01%
Exos TFP Holdings LLC1,112$157.0K0.07%
Simplex Trading, LLC1,066$150.0K0.01%
Wipfli Financial Advisors LLC,839$118.0K0.01%
Walleye Trading LLC590$83.0K0.00%
Ossiam443$63.0K0.00%
GHP Investment Advisors, Inc.379$53.0K0.00%
Virtus Investment Advisers, Inc.111$16.0K0.01%
Asset Dedication, LLC68$10.0K0.00%
Almanack Investment Partners, LLC.52$7.00K0.00%
Moisand Fitzgerald Tamayo, LLC31$4.00K0.00%
Farmers & Merchants Investments Inc24$3.00K0.00%
Standard Family Office LLC7$1.00K0.00%
SJS Investment Consulting Inc.8$1.00K0.00%
IMA Wealth, Inc.1$00.00%

Sold out (51)

Institutions that held Masimo Corp at the end of Q2 2022 and filed for Q3 2022 without it.

Institutions that sold out of MASI in Q3 2022
InstitutionShares, Q2 2022Value, Q2 2022
Nomura Holdings Inc1,786,307$242.5M
Natixis156,119$20.4M
Voloridge Investment Management, LLC91,890$12.0M
Capital Fund Management S.A.42,755$5.59M
Quadrature Capital Ltd39,812$5.21M
Jump Financial, LLC36,586$4.78M
Tobam26,013$3.40M
Man Group plc–$2.48M
SG Americas Securities, LLC16,474$2.15M
CWM Advisors, LLC8,063$1.05M
Capitolis Advisors LLC7,761$1.01M
Connor, Clark & Lunn Investment Management Ltd.7,330$958.0K
Advisory Services Network, LLC6,500$849.0K
Shay Capital LLC6,500$849.0K
Janus Henderson Group PLC6,429$840.0K
Eversept Partners, LP5,984$781.9K
Duality Advisers, LP5,961$779.0K
Engineers Gate Manager LP5,104$667.0K
Wellington Management Group LLP5,065$662.0K
Cantor Fitzgerald, L. P.4,030$527.0K
USS Investment Management Ltd3,881$507.0K
Maryland State Retirement & Pension System3,736$488.0K
Pendal Group Limited3,306$432.0K
NinePointTwo Capital3,229$421.0K
FORA Capital, LLC2,641$345.0K
Pearl River Capital, LLC2,100$274.0K
Caxton Associates LP2,054$268.0K
Worldquant Millennium Advisors LLC1,782$233.0K
Bayesian Capital Management, LP1,764$231.0K
Fox Run Management, L.L.C.1,650$216.0K
Tudor Investment Corp Et Al1,529$200.0K
SeaCrest Wealth Management, LLC890$116.0K
Bank Julius Baer & Co. Ltd, Zurich559$73.0K
EverSource Wealth Advisors, LLC467$61.0K
Atwood & Palmer Inc379$50.0K
AIA Group Ltd209$27.0K
Cutler Group LP150$19.0K
Venture Visionary Partners LLC46$6.01K
Newbridge Financial Services Group, Inc.37$5.00K
Heritage Financial Services, LLC38$4.00K
CoreCap Advisors, LLC31$4.00K
O'Dell Group, LLC20$3.00K
Geneos Wealth Management Inc.25$3.00K
Concord Wealth Partners12$2.00K
Dark Forest Capital Management LP5$1.00K
Fairfield, Bush & Co.3$0
Lee Financial Co1$0
Macroview Investment Management LLC3$0
Private Ocean, LLC1$0
Steward Financial Group LLC5$0
Morton Brown Family Wealth, LLC2$0

Not filed for Q3 2022 yet (8)

Institutions that held Masimo Corp at the end of Q2 2022 and haven't filed a 13F for Q3 2022. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding MASI in Q2 2022 that haven't filed for Q3 2022
InstitutionShares, Q2 2022Value, Q2 2022
Brewin Dolphin Wealth Management Ltd44,703$5.84M
Sciencast Management LP3,424$489.0K
Advisor Partners LLC2,853$373.0K
Coldstream Capital Management Inc2,251$294.0K
Altium Wealth Management LLC1,553$203.0K
Brewin Dolphin Ltd150$20.0K
Fieldpoint Private Securities, LLC95$12.0K
Exane Derivatives2$261