Stock Ownership/QDEL

QUIDELORTHO CORP (QDEL): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in QDEL · Health Care. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
15
13F filers
Aggregate Value
$48.1M
Across holders
Last Price
$14.49
2026-08-24
Sector
Health Care
GICS
Quarterly fund activity10 increased4 reduced2 exited
Full exits: Verition Fund Management LLC, Holocene Advisors, LP
Institutional Holders of QDEL
↗
15 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund911K$16.0M33.2%0.0%Added+$15.9MQ2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund722K$12.7M26.3%0.0%Added+$7.7MQ2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund270K$4.7M9.8%0.0%Reduced$-991KQ2 2026
GAMCO INVESTORS, INC. ET AL
CIK 0000807249
Institutional Manager251K$4.4M9.2%0.0%Reduced$-47KQ2 2026
TUDOR INVESTMENT CORP ET AL
CIK 0000923093
Hedge Fund195K$3.4M7.1%0.0%Reduced$-693KQ2 2026
MARSHALL WACE, LLP
CIK 0001318757
Hedge Fund173K$3.0M6.3%0.0%Added$-3.6MQ2 2026
Squarepoint Ops LLC
CIK 0001642575
Hedge Fund85K$1.5M3.1%0.0%Added—Q2 2026
Brevan Howard Capital Management LP
CIK 0001512857
Hedge Fund41K$716K1.5%0.0%Added—Q2 2026
Point72 Asset Management, L.P.
CIK 0001603466
Hedge Fund30K$533K1.1%0.0%Reduced$-12.8MQ2 2026
JUPITER ASSET MANAGEMENT LTD
CIK 0001215838
Hedge Fund29K$509K1.1%0.0%Unchanged+$0Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$16.0M· 33.2% of total· 0.0% port· 911K sh· +$15.9M QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCAdded
Hedge Fund
$12.7M· 26.3% of total· 0.0% port· 722K sh· +$7.7M QoQ· Q2 2026
SHAW D E & CO INCReduced
Hedge Fund
$4.7M· 9.8% of total· 0.0% port· 270K sh· $-991K QoQ· Q2 2026
GAMCO INVESTORS, INC. ET ALReduced
Institutional Manager
$4.4M· 9.2% of total· 0.0% port· 251K sh· $-47K QoQ· Q2 2026
TUDOR INVESTMENT CORP ET ALReduced
Hedge Fund
$3.4M· 7.1% of total· 0.0% port· 195K sh· $-693K QoQ· Q2 2026
MARSHALL WACE, LLPAdded
Hedge Fund
$3.0M· 6.3% of total· 0.0% port· 173K sh· $-3.6M QoQ· Q2 2026
Squarepoint Ops LLCAdded
Hedge Fund
$1.5M· 3.1% of total· 0.0% port· 85K sh· — QoQ· Q2 2026
Brevan Howard Capital Management LPAdded
Hedge Fund
$716K· 1.5% of total· 0.0% port· 41K sh· — QoQ· Q2 2026
Point72 Asset Management, L.P.Reduced
Hedge Fund
$533K· 1.1% of total· 0.0% port· 30K sh· $-12.8M QoQ· Q2 2026
JUPITER ASSET MANAGEMENT LTDUnchanged
Hedge Fund
$509K· 1.1% of total· 0.0% port· 29K sh· +$0 QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$305K· 0.6% of total· 0.0% port· 17K sh· — QoQ· Q2 2026
Lighthouse Investment Partners, LLCAdded
Hedge Fund
$187K· 0.4% of total· 0.0% port· 11K sh· — QoQ· Q2 2026
Fulcrum Asset Management LLPAdded
Hedge Fund
$122K· 0.3% of total· 0.0% port· 7K sh· — QoQ· Q2 2026
Rockefeller Capital Management L.P.Added
Hedge Fund
$14K· 0.0% of total· 0.0% port· 819 sh· +$4K QoQ· Q2 2026
Walleye Capital LLCAdded
Hedge Fund
$5K· 0.0% of total· 0.0% port· 269 sh· $-125K QoQ· Q2 2026
1–10 of 15
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