Stock Ownership/ALDX

ALDEYRA THERAPEUTICS INC (ALDX): Ownership & Insider Activity

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

Reported Holders
13
13F filers
Aggregate Value
$23.3M
Across holders
Last Price
$1.52
2026-08-24
Sector
Health Care
GICS
Quarterly fund activity11 increased2 reduced0 exited
Institutional Holders of ALDX
↗
13 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund3.75M$8.0M34.4%0.0%Added$-21.6MQ2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund1.94M$4.1M17.8%0.0%Added+$1.1MQ2 2026
MARSHALL WACE, LLP
CIK 0001318757
Hedge Fund1.51M$3.2M13.8%0.0%Added+$2.8MQ2 2026
Qube Research & Technologies Ltd
CIK 0001729829
Hedge Fund1.13M$2.4M10.3%0.0%Added+$2.2MQ2 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund882K$1.9M8.1%0.0%Added+$40KQ2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
Hedge Fund421K$897K3.9%0.0%Added—Q2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund379K$808K3.5%0.0%Added+$694KQ2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund360K$768K3.3%0.0%Reduced$-1.4MQ2 2026
Point72 Asset Management, L.P.
CIK 0001603466
Hedge Fund154K$329K1.4%0.0%Added—Q2 2026
Man Group plc
CIK 0001637460
Hedge Fund153K$325K1.4%0.0%Added—Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$8.0M· 34.4% of total· 0.0% port· 3.75M sh· $-21.6M QoQ· Q2 2026
SHAW D E & CO INCAdded
Hedge Fund
$4.1M· 17.8% of total· 0.0% port· 1.94M sh· +$1.1M QoQ· Q2 2026
MARSHALL WACE, LLPAdded
Hedge Fund
$3.2M· 13.8% of total· 0.0% port· 1.51M sh· +$2.8M QoQ· Q2 2026
Qube Research & Technologies LtdAdded
Hedge Fund
$2.4M· 10.3% of total· 0.0% port· 1.13M sh· +$2.2M QoQ· Q2 2026
RENAISSANCE TECHNOLOGIES LLCAdded
Hedge Fund
$1.9M· 8.1% of total· 0.0% port· 882K sh· +$40K QoQ· Q2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPAdded
Hedge Fund
$897K· 3.9% of total· 0.0% port· 421K sh· — QoQ· Q2 2026
CITADEL ADVISORS LLCAdded
Hedge Fund
$808K· 3.5% of total· 0.0% port· 379K sh· +$694K QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCReduced
Hedge Fund
$768K· 3.3% of total· 0.0% port· 360K sh· $-1.4M QoQ· Q2 2026
Point72 Asset Management, L.P.Added
Hedge Fund
$329K· 1.4% of total· 0.0% port· 154K sh· — QoQ· Q2 2026
Man Group plcAdded
Hedge Fund
$325K· 1.4% of total· 0.0% port· 153K sh· — QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPReduced
Hedge Fund
$272K· 1.2% of total· 0.0% port· 128K sh· $-204K QoQ· Q2 2026
Squarepoint Ops LLCAdded
Hedge Fund
$200K· 0.9% of total· 0.0% port· 94K sh· — QoQ· Q2 2026
Schonfeld Strategic Advisors LLCAdded
Hedge Fund
$45K· 0.2% of total· 0.0% port· 21K sh· — QoQ· Q2 2026
1–10 of 13
1 / 2
Loading recent insider activity…
← Stock ownership