Stock Ownership/LRMR

LARIMAR THERAPEUTICS INC (LRMR): Ownership & Insider Activity

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

Reported Holders
16
13F filers
Aggregate Value
$34.3M
Across holders
Last Price
$4.05
2026-08-24
Sector
Health Care
GICS
Quarterly fund activity9 increased6 reduced5 exited
Full exits: ADAGE CAPITAL PARTNERS GP, L.L.C., Grantham, Mayo, Van Otterloo & Co. LLC, Schonfeld Strategic Advisors LLC, FRED ALGER MANAGEMENT, LLC, SHAW D E & CO INC
Institutional Holders of LRMR
↗
16 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund2.37M$7.2M21.1%0.0%Added+$7.2MQ2 2026
MARSHALL WACE, LLP
CIK 0001318757
Hedge Fund2.01M$6.1M17.9%0.0%Added+$611KQ2 2026
Qube Research & Technologies Ltd
CIK 0001729829
Hedge Fund1.64M$5.0M14.6%0.0%Added+$2.4MQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund1.46M$4.4M13.0%0.0%Added+$4.3MQ2 2026
Woodline Partners LP
CIK 0001784547
Hedge Fund1.40M$4.3M12.5%0.0%Unchanged+$0Q2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund1.33M$4.1M11.9%0.0%Reduced$-7.0MQ2 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund297K$907K2.6%0.0%Reduced$-1.3MQ2 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund236K$720K2.1%0.0%Reduced$-730KQ2 2026
Point72 Asset Management, L.P.
CIK 0001603466
Hedge Fund135K$411K1.2%0.0%Reduced$-2.8MQ2 2026
Squarepoint Ops LLC
CIK 0001642575
Hedge Fund113K$346K1.0%0.0%Added—Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$7.2M· 21.1% of total· 0.0% port· 2.37M sh· +$7.2M QoQ· Q2 2026
MARSHALL WACE, LLPAdded
Hedge Fund
$6.1M· 17.9% of total· 0.0% port· 2.01M sh· +$611K QoQ· Q2 2026
Qube Research & Technologies LtdAdded
Hedge Fund
$5.0M· 14.6% of total· 0.0% port· 1.64M sh· +$2.4M QoQ· Q2 2026
CITADEL ADVISORS LLCAdded
Hedge Fund
$4.4M· 13.0% of total· 0.0% port· 1.46M sh· +$4.3M QoQ· Q2 2026
Woodline Partners LPUnchanged
Hedge Fund
$4.3M· 12.5% of total· 0.0% port· 1.40M sh· +$0 QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCReduced
Hedge Fund
$4.1M· 11.9% of total· 0.0% port· 1.33M sh· $-7.0M QoQ· Q2 2026
RENAISSANCE TECHNOLOGIES LLCReduced
Hedge Fund
$907K· 2.6% of total· 0.0% port· 297K sh· $-1.3M QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPReduced
Hedge Fund
$720K· 2.1% of total· 0.0% port· 236K sh· $-730K QoQ· Q2 2026
Point72 Asset Management, L.P.Reduced
Hedge Fund
$411K· 1.2% of total· 0.0% port· 135K sh· $-2.8M QoQ· Q2 2026
Squarepoint Ops LLCAdded
Hedge Fund
$346K· 1.0% of total· 0.0% port· 113K sh· — QoQ· Q2 2026
Man Group plcAdded
Hedge Fund
$345K· 1.0% of total· 0.0% port· 113K sh· — QoQ· Q2 2026
ExodusPoint Capital Management, LPAdded
Hedge Fund
$276K· 0.8% of total· 0.0% port· 90K sh· — QoQ· Q2 2026
Brevan Howard Capital Management LPAdded
Hedge Fund
$59K· 0.2% of total· 0.0% port· 20K sh· — QoQ· Q2 2026
BALYASNY ASSET MANAGEMENT LLCAdded
Hedge Fund
$52K· 0.2% of total· 0.0% port· 17K sh· — QoQ· Q2 2026
Hudson Bay Capital Management LPReduced
Hedge Fund
$34K· 0.1% of total· 0.0% port· 11K sh· $-858K QoQ· Q2 2026
Rockefeller Capital Management L.P.Reduced
Hedge Fund
$451· 0.0% of total· 0.0% port· 148 sh· $-5K QoQ· Q2 2026
1–10 of 16
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