13F

Stock

Quidelortho Corp

QDEL · held by 234 managers

Reported value

$1.25B

Holders

234

+38 new · −44 exited

Holders’ est. mark

−$688M

Price effect on 190 books still in the name

Largest holder

$171.7M

BlackRock, Inc.

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
BlackRock, Inc.10.4M$171.7M−$125.4MCut−$123.7M
Fidelity6.59M$108.3M−$65.7MCut−$46.5M
Newtyn Management, LLC4.56M$74.9M−$36.6MCut−$11.2M
VANGUARD PORTFOLIO MANAGEMENT LLC4.03M$66.2MHeld
Rubric Capital Management LP3.31M$54.3M−$40.1MCut−$53.6M
Invesco Ltd.3.12M$51.2M−$37.8MCut−$47.9M
VANGUARD CAPITAL MANAGEMENT LLC3.05M$50.2MHeld
DIMENSIONAL FUND ADVISORS LP3.05M$50.1M−$34.4MCut−$30.9M
AMERICAN CENTURY COMPANIES INC2.86M$46.9M−$28.2MCut−$19.5M
State Street2.79M$45.8M−$32.8MCut−$31.5M
GOLDMAN SACHS GROUP INC2.41M$39.6M−$21.3MCut−$10.5M
FRONTIER CAPITAL MANAGEMENT CO LLC1.75M$28.8M−$17.5MCut−$12.5M
GEODE CAPITAL MANAGEMENT, LLC1.72M$28.2M−$20.2MCut−$19.4M
SEGALL BRYANT & HAMILL, LLC1.54M$25.4M−$14.5MCut−$8.77M
NEUBERGER BERMAN GROUP LLC1.53M$25.1M−$12MCut−$3.05M
PARADIGM CAPITAL MANAGEMENT INC/NY1.53M$25.1M−$10.1MAdded$1.4M
PRIVATE MANAGEMENT GROUP INC1.38M$22.8M−$9.04MAdded$1.46M
RICE HALL JAMES & ASSOCIATES, LLC1.03M$16.9M−$10.1MCut−$6.95M
MORGAN STANLEY1.02M$16.8M−$12.4MCut−$18.5M
Allianz Asset Management GmbH1.01M$16.5M−$8.65MCut−$3.84M
SILVERCREST ASSET MANAGEMENT GROUP LLC892.4K$14.7M−$10.8MCut−$16.1M
CHARLES SCHWAB INVESTMENT MANAGEMENT INC830.1K$13.6M−$10.1MCut−$10.6M
Point72 Asset Management, L.P.762.2K$12.5M−$4.67MAdded$1.53M
NORTHERN TRUST CORP689.8K$11.3M−$8.37MCut−$8.53M
UBS Group AG542K$8.91M−$5.78MCut−$4.71M
VANGUARD FIDUCIARY TRUST CO454.5K$7.47MHeld
Goodman Financial Corp437.2K$7.18M−$4.72MCut−$3.92M
Bank of New York Mellon Corp427.6K$7.03M−$5.19MCut−$5.54M
Aristotle Capital Boston, LLC420.4K$6.93M−$4.73MCut−$4.26M
BRIDGEWAY CAPITAL MANAGEMENT, LLC409.4K$6.73M−$4.88MCut−$4.76M
GAGNON SECURITIES LLC403.3K$6.63M−$1.93MAdded$2.08M
Sio Capital Management, LLC359K$5.9MNew
Skylands Capital, LLC341.6K$5.61M−$1.63MAdded$1.76M
PRINCIPAL FINANCIAL GROUP INC331.2K$5.44M−$3.93MCut−$3.82M
Lightrock Netherlands B.V.314.5K$5.17M−$3.82MCut−$8M
Gem Investment Advisors, LLC296.7K$4.87M−$1.17MAdded$2.11M
Bayberry Capital Partners LP282.6K$4.64M−$3.43MCut−$4.16M
MILLENNIUM MANAGEMENT LLC282.2K$4.64M−$1.96MAdded$25.5K
D. E. Shaw & Co., Inc.274.7K$4.51M−$3.33MCut−$11.4M
SEI INVESTMENTS CO269.2K$4.42M−$2.57MCut−$1.62M
TD Asset Management Inc261.3K$4.29M−$3.17MCut−$10.7M
AMERIPRISE FINANCIAL INC254.5K$4.18M−$2.8MCut−$2.41M
Empowered Funds, LLC254.2K$4.18MNew
GAMCO INVESTORS, INC. ET AL253.9K$4.17M−$2.88MCut−$2.6M
Stanley Capital Management, LLC252K$4.14M−$3.06MCut−$7.34M
PUBLIC SECTOR PENSION INVESTMENT BOARD243K$3.99M−$2.86MCut−$2.73M
Monaco Asset Management SAM242.6K$3.99M−$2.46MCut−$1.8M
TUDOR INVESTMENT CORP ET AL234.5K$3.85MNew
SYSTEMATIC FINANCIAL MANAGEMENT LP225.9K$3.71M−$2.74MCut−$2.97M
Nuveen, LLC224.2K$3.68M−$2.6MCut−$2.43M
Tejara Capital Ltd216.1K$3.55M−$2.53MCut−$2.4M
Susquehanna Portfolio Strategies, LLC213.6K$3.51M−$412.2KAdded$2.54M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC197K$3.24M−$2.26MCut−$2.08M
SaddleRock Capital Management LLC196.1K$3.22M−$2.38MCut−$2.89M
Leeward Investments, LLC - MA186.9K$3.07M−$2.27MCut−$2.41M
Icahn Capital174.7K$2.87M−$558.9KAdded$1.55M
RHUMBLINE ADVISERS170.8K$2.81M−$1.99MCut−$1.88M
GABELLI FUNDS LLC166.4K$2.73M−$2.02MCut−$2.18M
Legal & General Group Plc163.5K$2.69M−$1.98MCut−$2.54M
XTX Topco Ltd161.6K$2.66MNew
BEACONLIGHT CAPITAL, LLC152.1K$2.5M−$1.84MCut−$4.33M
Quantinno Capital Management LP150.6K$2.48M−$1.83MCut−$2.47M
Ballast Asset Management, LP146K$2.4M−$1.2MCut−$422.9K
ALLIANCEBERNSTEIN L.P.80.8K$2.31M$0Added$54.3K
Swiss National Bank133.9K$2.2M−$1.62MCut−$1.62M
Phocas Financial Corp.132.9K$2.18M−$1.61MCut−$2.67M
MARSHALL WACE, LLP131.8K$2.17MNew
JPMORGAN CHASE & CO136.7K$2.09M−$1.68MCut−$1.52M
BANK OF AMERICA CORP /DE/127K$2.09M−$1.54MCut−$3.08M
Edgestream Partners, L.P.117.9K$1.94MNew
DEUTSCHE BANK AG\113.4K$1.86M−$1.29MCut−$1.18M
Parkman Healthcare Partners LLC101.8K$1.67M−$1.23MCut−$3.6M
Trexquant Investment LP97K$1.59MNew
FEDERATED HERMES, INC.94.2K$1.55MNew
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM93K$1.53M−$753.7KCut−$246.7K
Summit Trail Advisors, LLC82.5K$1.36M−$982.7KCut−$958.5K
RAYMOND JAMES FINANCIAL INC76.7K$1.26M−$297.9KAdded$559.2K
Invenomic Capital Management LP76.3K$1.25MNew
PRUDENTIAL FINANCIAL INC70.5K$1.16M−$777.5KCut−$671.9K
MOODY NATIONAL BANK TRUST DIVISION70K$1.15M−$624.8KCut−$321.8K
VANGUARD ASSET MANAGEMENT, Ltd62.5K$1.03MHeld
WEDGE CAPITAL MANAGEMENT L L P/NC56.2K$923.1K−$681.5KCut−$768.4K
FIFTH THIRD BANCORP54.3K$892.6K−$1.56KAdded$888.9K
Clearline Capital LP49.9K$819.6K−$605.1KCut−$8.23M
Y-Intercept (Hong Kong) Ltd48.1K$790.1KNew
NEW YORK STATE COMMON RETIREMENT FUND45.7K$750.9K−$554.4KCut−$576.2K
Illinois Municipal Retirement Fund43.8K$718.8K−$424.9KCut−$281.6K
STATE OF WISCONSIN INVESTMENT BOARD43.6K$716.3K−$202.8KAdded$238.8K
Vanguard Global Advisers, LLC43.5K$714.4KHeld
Engineers Gate Manager LP41.4K$680KNew
MetLife Investment Management, LLC38.2K$627K−$462.9KCut−$19.4M
Creative Planning36.5K$599.5K−$249.4KAdded$12.4K
BNP PARIBAS FINANCIAL MARKETS35.9K$589.9K−$365.9KCut−$271.7K
FRANKLIN RESOURCES INC33.5K$551.2K−$407KCut−$845.9K
Mitsubishi UFJ Trust & Banking Corp32.3K$531K−$157.1KAdded$161.1K
ALLSTATE CORP32.2K$529.5KNew
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.31.8K$522.2K−$381.5KCut−$376K
Louisiana State Employees Retirement System30.1K$494.5K−$365.1KCut−$393.7K
JUPITER ASSET MANAGEMENT LTD29K$477KNew
JANUS HENDERSON GROUP PLC29K$476.5K−$351.8KCut−$351.8K
Orion Porfolio Solutions, LLC29K$476.2K−$245KCut−$100.7K
NorthRock Partners, LLC28.8K$473.7K−$349.7KCut−$351K
SUSQUEHANNA INTERNATIONAL GROUP, LLP28.7K$470.9K−$347.6KCut−$455.9K
Verdence Capital Advisors LLC28.4K$466.8KNew
MANUFACTURERS LIFE INSURANCE COMPANY, THE27.5K$451.3K−$333.2KCut−$374.9K
Clear Harbor Asset Management, LLC26.2K$431.3K−$318.4KCut−$426.9K
WELLS FARGO & COMPANY/MN25.3K$415.2K−$306.5KCut−$1.74M
Zurcher Kantonalbank (Zurich Cantonalbank)22.6K$371.7K−$247.5KCut−$211K
Amundi21K$344.8K−$169.7KCut−$54.8K
HSBC HOLDINGS PLC21.3K$341.9KNew
YOUSIF CAPITAL MANAGEMENT, LLC20.7K$339.7K−$332.3KCut−$327.5K
SummerHaven Investment Management, LLC20K$328K−$242.2KCut−$446.6K
Police & Firemen's Retirement System of New Jersey18.9K$310.7K−$229.4KCut−$229.4K
ARIZONA STATE RETIREMENT SYSTEM18.7K$306.6K−$226.3KCut−$230.4K
Holocene Advisors, LP18.5K$304.1K−$200.3KCut−$167.6K
Universal- Beteiligungs- und Servicegesellschaft mbH18.1K$297.4KNew
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS16.8K$276K−$203.8KCut−$204.3K
Vanguard Investments Australia, Ltd.15.8K$259.2KHeld
OREGON PUBLIC EMPLOYEES RETIREMENT FUND15.5K$255.1K−$188.4KCut−$188.4K
INTECH INVESTMENT MANAGEMENT LLC14.8K$244K−$180.1KCut−$446.6K
State of Tennessee, Department of Treasury14.8K$243.1K−$158.9KCut−$158.9K
CWM, LLC14.7K$242.1K$28.2KAdded$242.1K
KLP KAPITALFORVALTNING AS14.4K$237.3K−$175.2KCut−$175.2K
Aigen Investment Management, LP14.3K$234.4KNew
Verition Fund Management LLC13.1K$215K−$158.7KCut−$450.5K
Bayforest Capital Ltd12.9K$212.6KNew
Brooklyn Investment Group12.9K$211.3KNew
BARCLAYS PLC12.5K$205.6K−$151.8KCut−$2.97M
Pictet Asset Management Holding SA12.4K$203.9K−$150.6KCut−$150.6K
VOYA INVESTMENT MANAGEMENT LLC11.9K$196K−$144.7KCut−$154.5K
Legato Capital Management LLC11.5K$189.3K−$122.2KCut−$98.5K
INSPIRION WEALTH ADVISORS, LLC11.5K$188.4K−$139.1KCut−$139.1K
BANK OF MONTREAL /CAN/11.2K$183.3K−$126.9KCut−$115.5K
Linden Thomas Advisory Services, LLC10.9K$179.1KNew
VICTORY CAPITAL MANAGEMENT INC10.8K$176.9K−$120.3KCut−$106.3K
BFSG, LLC10.6K$174.7K−$58.6KAdded$36.6K
ProShare Advisors LLC10.6K$173.4K−$128KCut−$202.6K
CITIGROUP INC10.4K$170.2K−$125.7KCut−$237.7K
Russell Investments Group, Ltd.10.5K$166K−$136.1KCut−$225.6K
Caption Management, LLC9.92K$163KNew
Quantbot Technologies LP9.58K$157.4KNew
ROYAL BANK OF CANADA7.35K$121K−$87.1KCut−$85K
Tower Research Capital LLC (TRC)5.97K$98.1K−$26KAdded$36.8K
Ameritas Investment Partners, Inc.5.67K$93.1K−$68.7KCut−$68.7K
T. Rowe Price Investment Management, Inc.5.63M$92.5K−$68.3KCut−$245.4K
Ensign Peak Advisors, Inc4.34K$71.4K−$52.7KCut−$52.7K
HighMark Wealth Management LLC4.29K$70.5K−$52KCut−$52K
NOMURA ASSET MANAGEMENT CO LTD3.5K$57.5K−$18.4KAdded$14.1K
Leonteq Securities AG3.47K$56.9K−$6.42KAdded$41.8K
OSAIC HOLDINGS, INC.3.18K$52.3K−$36.8KCut−$34.4K
PNC Financial Services Group, Inc.3.1K$50.9K−$37.6KCut−$225.2K
State of Wyoming2.33K$38.3K−$28.3KCut−$86.4K
Salomon & Ludwin, LLC1.78K$30.7K−$12.6KAdded$1.14K
GROUP ONE TRADING LLC1.54K$25.3K−$18.7KCut−$61.1K
Sterling Capital Management LLC1.47K$24.2K−$17.9KCut−$44.7K
BNP PARIBAS ASSET MANAGEMENT Holding S.A.1.41K$23.1K$17.3KAdded$23.1K
GAMMA Investing LLC1.3K$21.4K−$15.8KCut−$155.2K
Allworth Financial LP1.23K$20.2K−$8.82KCut−$587
US BANCORP \DE\1.15K$18.9K−$13.9KCut−$34.2K
Destiny Wealth Partners, LLC995$16.3KNew
NISA INVESTMENT ADVISORS, LLC873$14.3K−$10.6KCut−$17K
Steward Partners Investment Advisory, LLC615$10.1K−$7.46KCut−$24.6K
SUMMIT SECURITIES GROUP LLC508$8.35KNew
JONES FINANCIAL COMPANIES LLLP512$7.57K−$4.92KCut−$2.63K
Curat Global, LLC420$6.9K−$5.09KCut−$5.09K
THOMPSON SIEGEL & WALMSLEY LLC410.2K$6.74K−$4.67KCut−$4.25K
Newbridge Financial Services Group, Inc.400$6.57K−$4.85KCut−$4.85K
LRI Investments, LLC400$6.57K−$4.85KCut−$4.85K
Farther Finance Advisors, LLC382$6.33K−$4.58KCut−$13.4K
North Star Investment Management Corp.350$5.75KNew
Rockefeller Capital Management L.P.308$5.06K−$3.74KCut−$11.2K
Essential Partners LLC286$4.7KNew
UMB Bank, n.a.265$4.35K−$2.17KCut−$758
LOS ANGELES CAPITAL MANAGEMENT LLC264$4.34K−$2.74KCut−$221.5K
Advisory Services Network, LLC254$4.17KNew
QUADRANT CAPITAL GROUP LLC196$3.22K−$2.38KCut−$6.89K
SBI Securities Co., Ltd.159$2.61K−$1.92KCut−$1.9K
Rachor Investment Advisory Services, LLC141$2.32K−$1.09KCut−$254
ROTHSCHILD INVESTMENT LLC116$1.91K−$667Added$335
EverSource Wealth Advisors, LLC111$1.82K−$72Added$1.65K
FIRST HORIZON CORP104$1.71K−$1.26KCut−$7.54K
INTERNATIONAL ASSETS INVESTMENT MANAGEMENT, LLC100$1.66K−$1.2KCut−$1.2K
Larson Financial Group LLC100$1.64K−$109Added$1.39K
IAG Wealth Partners, LLC100$1.64K−$1.21KCut−$1.21K
Pinnacle Wealth Planning Services, Inc.94$1.54K−$1.14KCut−$16.6K
MTM Investment Management, LLC90$1.48K−$1.09KCut−$1.09K
PRICE T ROWE ASSOCIATES INC /MD/82.9K$1.36K−$758Cut−$421
WHITTIER TRUST CO OF NEVADA INC84$1.33KNew
BARROW HANLEY MEWHINNEY & STRAUSS LLC78$1.28K−$946Cut−$946
Smartleaf Asset Management LLC75$1.14K−$1.05KCut−$1.05K
Physician Wealth Advisors, Inc.68$1.12KNew
Mitsubishi UFJ Asset Management Co., Ltd.67$1.1K−$827Cut−$827
MAI Capital Management63$1.04K−$267Added$407
NEW YORK STATE TEACHERS RETIREMENT SYSTEM54.6K$897−$662Cut−$728
ASSETMARK, INC52$846−$625Cut−$625
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO50$822New
Thrivent Financial for Lutherans45.3K$745−$550Cut−$588
State of Alaska, Department of Revenue37.4K$614−$453Cut−$479
Parkside Financial Bank & Trust35$576−$424Cut−$2.42K
CoreCap Advisors, LLC35$575−$425Cut−$425
Versant Capital Management, Inc34$559−$412Cut−$983
Fortitude Family Office, LLC29$476New
Hilton Head Capital Partners, LLC27$444−$327Cut−$327
WPG Advisers, LLC26$427−$315Cut−$658
Handelsbanken Fonder AB24.4K$401−$296Cut−$296
Synergy Investment Management, LLC20$329New
FARMERS & MERCHANTS INVESTMENTS INC20$329−$242Cut−$242
HRT FINANCIAL LP19.9K$327New
AMALGAMATED BANK19.6K$321−$237Cut−$242
Godfrey Financial Associates, Inc.19$312−$231Cut−$231
IFP Advisors, Inc18$296New
TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY16.6K$272−$202Cut−$202
Parallel Advisors, LLC16$263−$194Cut−$822
SIGNATUREFD, LLC16$263−$194Cut−$5.91K
SJS Investment Consulting Inc.15$247New
Bruce G. Allen Investments, LLC14$230New
South Dakota Investment Council13.6K$224−$165Cut−$165
Prestige Wealth Management Group LLC12$198New
Advocate Investing Services LLC11$181−$133Cut−$133
GILPIN WEALTH MANAGEMENT, LLC10$165−$61Added$22
LSV ASSET MANAGEMENT9.2K$151−$112Cut−$112
Sunbelt Securities, Inc.6$99−$73Cut−$244
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO5.18K$85−$63Cut−$63
Abound Wealth Management5$83−$60Cut−$60
PRIVATE TRUST CO NA5$82−$61Cut−$2K
Sound Income Strategies, LLC4$66−$67Cut−$8.23K
MV CAPITAL MANAGEMENT, INC.4$66−$48Cut−$2.02K
KBC Group NV2.35K$39−$28Cut−$28
HANTZ FINANCIAL SERVICES, INC.1.63K$27−$13Cut−$4
Dunhill Financial, LLC1$23−$18Cut−$18
TWIN PEAKS WEALTH ADVISORS, LLC1$16New
ROSS\JOHNSON & Associates LLC1$16−$13Cut−$70
Covestor Ltd492$8−$7Cut−$10
BESSEMER GROUP INC156$3−$1Cut−$5

Who left

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.