Stock Ownership/IRMD

IRADIMED CORP (IRMD): Ownership & Insider Activity

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

Reported Holders
12
13F filers
Aggregate Value
$95.7M
Across holders
Last Price
$87.18
2026-08-24
Sector
Health Care
GICS
Quarterly fund activity7 increased5 reduced3 exited
Full exits: CITADEL ADVISORS LLC, MILLENNIUM MANAGEMENT LLC, SHAW D E & CO INC
Institutional Holders of IRMD
↗
12 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund394K$37.7M39.4%0.1%Reduced$-4.4MQ2 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund183K$17.5M18.3%0.0%Added+$1.6MQ2 2026
Qube Research & Technologies Ltd
CIK 0001729829
Hedge Fund157K$15.0M15.7%0.0%Added+$7.0MQ2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
Hedge Fund144K$13.8M14.4%0.0%Added+$12.3MQ2 2026
TUDOR INVESTMENT CORP ET AL
CIK 0000923093
Hedge Fund46K$4.4M4.6%0.0%Reduced$-2.5MQ2 2026
MARSHALL WACE, LLP
CIK 0001318757
Hedge Fund25K$2.4M2.5%0.0%Added—Q2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund17K$1.6M1.7%0.0%Added+$1.6MQ2 2026
Man Group plc
CIK 0001637460
Hedge Fund16K$1.5M1.6%0.0%Added—Q2 2026
Point72 Asset Management, L.P.
CIK 0001603466
Hedge Fund12K$1.1M1.2%0.0%Reduced$-230KQ2 2026
Squarepoint Ops LLC
CIK 0001642575
Hedge Fund4K$339K0.4%0.0%Reduced$-81KQ2 2026
RENAISSANCE TECHNOLOGIES LLCReduced
Hedge Fund
$37.7M· 39.4% of total· 0.1% port· 394K sh· $-4.4M QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$17.5M· 18.3% of total· 0.0% port· 183K sh· +$1.6M QoQ· Q2 2026
Qube Research & Technologies LtdAdded
Hedge Fund
$15.0M· 15.7% of total· 0.0% port· 157K sh· +$7.0M QoQ· Q2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPAdded
Hedge Fund
$13.8M· 14.4% of total· 0.0% port· 144K sh· +$12.3M QoQ· Q2 2026
TUDOR INVESTMENT CORP ET ALReduced
Hedge Fund
$4.4M· 4.6% of total· 0.0% port· 46K sh· $-2.5M QoQ· Q2 2026
MARSHALL WACE, LLPAdded
Hedge Fund
$2.4M· 2.5% of total· 0.0% port· 25K sh· — QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$1.6M· 1.7% of total· 0.0% port· 17K sh· +$1.6M QoQ· Q2 2026
Man Group plcAdded
Hedge Fund
$1.5M· 1.6% of total· 0.0% port· 16K sh· — QoQ· Q2 2026
Point72 Asset Management, L.P.Reduced
Hedge Fund
$1.1M· 1.2% of total· 0.0% port· 12K sh· $-230K QoQ· Q2 2026
Squarepoint Ops LLCReduced
Hedge Fund
$339K· 0.4% of total· 0.0% port· 4K sh· $-81K QoQ· Q2 2026
Magnetar Financial LLCAdded
Hedge Fund
$334K· 0.3% of total· 0.0% port· 3K sh· — QoQ· Q2 2026
Rockefeller Capital Management L.P.Reduced
Hedge Fund
$11K· 0.0% of total· 0.0% port· 119 sh· $-3K QoQ· Q2 2026
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