Skip to main content

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, Q1 2022

Institutional positions in Masimo Corp as of Mar 31, 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
457
−57 vs. Q4 2021
Shares held
45.4M
−981.6K (−2.1%) vs. Q4 2021
Total value
$6.61B
−$6.96B (−51.3%) vs. Q4 2021
New holders
73
180 more added
Sold out
130
136 more reduced

6 institutions that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2021: 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 holdersQ1 2022: 457 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 heldQ1 2022: $6.61B
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, Q1 2022

Shares, value and share of portfolio for each institution holding Masimo Corp; share changes are against Q4 2021.

Institutions holding MASI in Q1 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Shelton Capital Management2,684$391.0K0.01%00.0%Unchanged
Raymond James Financial Services Advisors, Inc.2,631$383.0K0.00%−1,343−33.8%Reduced
American Portfolios Advisors2,605$379.1K0.01%−3,498−57.3%Reduced
Profund Advisors LLC2,579$375.0K0.02%−368−12.5%Reduced
Fosun International Ltd2,400$373.0K0.03%00.0%Unchanged
Willner & Heller, LLC1,255$367.0K0.45%00.0%Unchanged
B. Metzler seel. Sohn & Co. AG2,482$361.0K0.00%+1,211+95.3%Added
Achmea Investment Management B.V.2,442$355.0K0.01%+2,442New
KCM Investment Advisors LLC2,415$351.0K0.01%00.0%Unchanged
Canada Pension Plan Investment Board2,390$348.0K0.00%+2,175+1,011.6%Added
Raymond James Trust N.A.2,344$341.0K0.01%+34+1.5%Added
CIBC Asset Management Inc2,280$332.0K0.00%00.0%Unchanged
Pathstone Family Office, LLC1,221$327.0K0.01%+1,221New
Symmetry Partners, LLC2,178$317.0K0.02%00.0%Unchanged
BancorpSouth Bank2,172$316.0K0.04%00.0%Unchanged
Commonwealth Equity Services, LLC2,151$313.0K0.00%−1,632−43.1%Reduced
Vident Investment Advisory, LLC2,148$312.0K0.01%+328+18.0%Added
KBC Group NV2,060$300.0K0.00%00.0%Unchanged
Keebeck Alpha, LP2,035$296.0K0.09%+1,036+103.7%Added
Independent Advisor Alliance2,024$295.0K0.01%−30−1.5%Reduced
Intrust Bank NA2,011$293.0K0.04%−296−12.8%Reduced
Astrantus Ltd2,000$291.0K0.49%+843+72.9%Added
Pitcairn Co1,986$289.0K0.03%−3,492−63.7%Reduced
M&T Bank Corp1,966$286.0K0.00%−161−7.6%Reduced
Yorktown Management & Research Co Inc1,950$284.0K0.24%00.0%Unchanged
Capital Impact Advisors, LLC1,925$280.0K0.20%−6,889−78.2%Reduced
Janney Capital Management LLC1,915$279.0K0.02%+14+0.7%Added
Veriti Management LLC1,820$265.0K0.03%+1,820New
Red Spruce Capital, LLC1,815$264.0K0.15%+198+12.2%Added
Fox Run Management, L.L.C.1,811$264.0K0.15%+1,811New
Coldstream Capital Management Inc1,771$258.0K0.01%−453−20.4%Reduced
Swiss Life Asset Management Ltd1,706$248.3K0.00%00.0%Unchanged
HighTower Advisors, LLC1,712$248.0K0.00%−2,283−57.1%Reduced
Prelude Capital Management, LLC1,701$248.0K0.01%+845+98.7%Added
Advisor Partners LLC1,691$246.0K0.02%+453+36.6%Added
Signaturefd, LLC1,671$243.0K0.01%+918+121.9%Added
AE Wealth Management LLC1,641$239.0K0.00%+11+0.7%Added
TD Waterhouse Canada Inc.1,551$238.6K0.00%+1,551New
Cerity Partners LLC1,619$236.0K0.00%+1,619New
Bank of Nova Scotia1,566$228.0K0.00%+409+35.4%Added
Sonen Capital LLC1,518$221.0K0.27%−384−20.2%Reduced
J2 Capital Management Inc1,518$221.0K0.24%+307+25.4%Added
Bluestein R H & Co1,500$218.0K0.01%00.0%Unchanged
Keybank National Association1,487$216.0K0.00%−208−12.3%Reduced
Gsa Capital Partners LLP1,486$216.0K0.03%+529+55.3%Added
M&G Investment Management Ltd1,468$214.0K0.00%+97+7.1%Added
Arkadios Wealth Advisors1,463$213.0K0.03%+1,463New
Synergy Financial Group, LTD1,396$203.0K0.21%00.0%Unchanged
Captrust Financial Advisors1,392$203.0K0.00%+440+46.2%Added
Forsta Ap-Fonden1,200$175.0K0.00%+1,200New
Whittier Trust Co1,134$165.0K0.00%00.0%Unchanged
CWM, LLC1,082$157.0K0.00%+211+24.2%Added
Banque Cantonale Vaudoise1,000$146.0K0.01%−2,236−69.1%Reduced
Atticus Wealth Management, LLC1,000$146.0K0.05%+1,000New
Harbor Investment Advisory, LLC995$145.0K0.02%00.0%Unchanged
DuPont Capital Management Corp976$142.0K0.01%+976New
United Community Bank962$140.0K0.14%−65−6.3%Reduced
Brewin Dolphin Ltd920$134.0K0.01%−3,846−80.7%Reduced
Livforsakringsbolaget Skandia, Omsesidigt900$131.0K0.01%00.0%Unchanged
Vestcor Inc830$121.0K0.00%−649−43.9%Reduced
Federation des caisses Desjardins du Quebec761$110.8K0.00%−94−11.0%Reduced
Aquatic Capital Management LLC700$102.0K0.15%+700New
Central Trust Co655$95.0K0.00%−749−53.3%Reduced
Northwestern Mutual Wealth Management Co627$92.0K0.00%−96−13.3%Reduced
JJJ Advisors Inc.619$90.0K0.02%+540+683.5%Added
Bank Julius Baer & Co. Ltd, Zurich559$81.0K0.00%00.0%Unchanged
HHM Wealth Advisors, LLC554$81.0K0.02%00.0%Unchanged
Leonteq Securities AG508$73.9K0.00%+9+1.8%Added
Benjamin F. Edwards & Company, Inc.500$73.0K0.00%00.0%Unchanged
Cribstone Capital Management, LLC500$73.0K0.04%00.0%Unchanged
Fortitude Advisory Group L.L.C.498$72.0K0.04%+224+81.8%Added
Lazard Asset Management LLC485$70.0K0.00%+81+20.0%Added
Spire Wealth Management402$59.0K0.00%−291−42.0%Reduced
Atwood & Palmer Inc379$55.0K0.00%00.0%Unchanged
State of Wyoming357$52.0K0.03%+29+8.8%Added
Koshinski Asset Management, Inc.345$50.2K0.00%−150−30.3%Reduced
Nisa Investment Advisors, LLC342$50.0K0.00%−1,319−79.4%Reduced
Quadrant Capital Group LLC329$48.0K0.01%−34−9.4%Reduced
Monolith Advisors161$47.0K0.04%00.0%Unchanged
Parallel Advisors, LLC263$41.0K0.00%−100−27.5%Reduced
Fifth Third Bancorp276$40.0K0.00%+58+26.6%Added
Itau Unibanco Holding S.A.268$39.0K0.00%00.0%Unchanged
Ci Investments Inc.262$38.0K0.00%−14−5.1%Reduced
Archer Investment Corp241$35.1K0.01%00.0%Unchanged
Desjardins Global Asset Management Inc.226$32.0K0.00%+20+9.7%Added
IFP Advisors, Inc92$32.0K0.00%+72+360.0%Added
Neo Ivy Capital Management226$32.0K0.03%+226New
AIA Group Ltd209$30.0K0.00%00.0%Unchanged
Lindbrook Capital, LLC200$29.0K0.00%+9+4.7%Added
Center for Financial Planning, Inc.200$29.0K0.01%+200New
Fieldpoint Private Securities, LLC190$28.0K0.01%−29−13.2%Reduced
Brown Brothers Harriman & Co170$25.0K0.00%00.0%Unchanged
National Bank of Canada157$23.0K0.00%−3,079−95.1%Reduced
Meeder Asset Management Inc137$20.0K0.00%+137New
Riverview Trust Co127$18.0K0.01%+127New
West Oak Capital, LLC100$15.0K0.01%00.0%Unchanged
Steward Partners Investment Advisory, LLC100$15.0K0.00%+20+25.0%Added
Umb Bank N A106$15.0K0.00%+35+49.3%Added
Gemmer Asset Management LLC103$14.0K0.00%−24−18.9%Reduced
Parkside Financial Bank & Trust95$14.0K0.00%+94+9,400.0%Added