Stock Ownership/GRDN

GUARDIAN PHARMACY SVCS INC (GRDN): Ownership & Insider Activity

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

Reported Holders
15
13F filers
Aggregate Value
$88.8M
Across holders
Last Price
$37.70
2026-08-24
Sector
Consumer Staples
GICS
Quarterly fund activity5 increased10 reduced2 exited
Full exits: Hudson Bay Capital Management LP, Schonfeld Strategic Advisors LLC
Institutional Holders of GRDN
↗
15 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
Woodline Partners LP
CIK 0001784547
Hedge Fund1.31M$54.7M61.6%0.2%Added+$921Q2 2026
Clearbridge Investments, LLC
CIK 0001348883
Hedge Fund174K$7.3M8.2%0.0%Reduced$-1.2MQ2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund121K$5.0M5.7%0.0%Added+$3.9MQ2 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund98K$4.1M4.6%0.0%Reduced$-9.0MQ2 2026
Qube Research & Technologies Ltd
CIK 0001729829
Hedge Fund98K$4.1M4.6%0.0%Added+$761KQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund88K$3.7M4.1%0.0%Reduced$-19.4MQ2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund74K$3.1M3.5%0.0%Reduced$-77KQ2 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund45K$1.9M2.1%0.0%Reduced$-2.3MQ2 2026
MARSHALL WACE, LLP
CIK 0001318757
Hedge Fund36K$1.5M1.7%0.0%Reduced$-14.8MQ2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
Hedge Fund27K$1.1M1.3%0.0%Reduced$-468KQ2 2026
Woodline Partners LPAdded
Hedge Fund
$54.7M· 61.6% of total· 0.2% port· 1.31M sh· +$921 QoQ· Q2 2026
Clearbridge Investments, LLCReduced
Hedge Fund
$7.3M· 8.2% of total· 0.0% port· 174K sh· $-1.2M QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCAdded
Hedge Fund
$5.0M· 5.7% of total· 0.0% port· 121K sh· +$3.9M QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPReduced
Hedge Fund
$4.1M· 4.6% of total· 0.0% port· 98K sh· $-9.0M QoQ· Q2 2026
Qube Research & Technologies LtdAdded
Hedge Fund
$4.1M· 4.6% of total· 0.0% port· 98K sh· +$761K QoQ· Q2 2026
CITADEL ADVISORS LLCReduced
Hedge Fund
$3.7M· 4.1% of total· 0.0% port· 88K sh· $-19.4M QoQ· Q2 2026
SHAW D E & CO INCReduced
Hedge Fund
$3.1M· 3.5% of total· 0.0% port· 74K sh· $-77K QoQ· Q2 2026
RENAISSANCE TECHNOLOGIES LLCReduced
Hedge Fund
$1.9M· 2.1% of total· 0.0% port· 45K sh· $-2.3M QoQ· Q2 2026
MARSHALL WACE, LLPReduced
Hedge Fund
$1.5M· 1.7% of total· 0.0% port· 36K sh· $-14.8M QoQ· Q2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPReduced
Hedge Fund
$1.1M· 1.3% of total· 0.0% port· 27K sh· $-468K QoQ· Q2 2026
Squarepoint Ops LLCReduced
Hedge Fund
$916K· 1.0% of total· 0.0% port· 22K sh· $-607K QoQ· Q2 2026
CAPSTONE INVESTMENT ADVISORS, LLCAdded
Hedge Fund
$607K· 0.7% of total· 0.0% port· 15K sh· — QoQ· Q2 2026
Lighthouse Investment Partners, LLCAdded
Hedge Fund
$279K· 0.3% of total· 0.0% port· 7K sh· — QoQ· Q2 2026
Gotham Asset Management, LLCReduced
Hedge Fund
$262K· 0.3% of total· 0.0% port· 6K sh· $-408K QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCReduced
Hedge Fund
$259K· 0.3% of total· 0.0% port· 6K sh· +$242K QoQ· Q2 2026
1–10 of 15
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