Who Owns Aldeyra Therapeutics, Inc. (ALDX)?Hedge Fund & Institutional Holders

$4.16-0.52 (-11.03%)HealthcareNASDAQ

Institutional Holders

50

as of Q4 2025

Total Institutional Value

$2.836300021681001e+283T

% of Float Held

9.834255385593732e+278%

QoQ Change in Holders

+9 / -3

Price History

$1.42$2.81$4.20$5.59$6.98Sep 24Jun 25Mar 26

ALDX — Biggest New Institutional Buyers This Quarter

FundActionShares AddedValue Added
683 Capital Management, LLCIncreased+710K+$3.6B
BANK OF AMERICA CORP /DE/Increased+20K+$2.0B
1492 Capital Management LLCNew Position+223K+$1.2B
D. E. Shaw & Co., Inc.Increased+221K+$797.2M
KENNEDY CAPITAL MANAGEMENT LLCIncreased+144K+$699.2M
STRS OHIONew Position+68K+$353.0M
INTERNATIONAL ASSETS INVESTMENT MANAGEMENT, LLCNew Position+47K+$245.0M
Caption Management, LLCNew Position+35K+$181.0M
Invesco Ltd.Increased+29K+$145.1M
Joseph P. Lucia & Associates, LLCNew Position+27K+$138.0M
AXQ CAPITAL, LPNew Position+27K+$138.0M
Providence Wealth Advisors, LLCNew Position+25K+$104.0M
Capital Advisors Wealth Management, LLCNew Position+16K+$81.0M
PFG Investments, LLCNew Position+16K+$80.0M
JACOBS LEVY EQUITY MANAGEMENT, INCIncreased+21K+$53.8M

ALDX — Institutions Reducing or Closing Positions

FundActionShares SoldValue Sold
PERCEPTIVE ADVISORS LLCDecreased-1.0M-$5.6B
AQR CAPITAL MANAGEMENT LLCDecreased-278K-$1.9B
DIMENSIONAL FUND ADVISORS LPDecreased-36K-$1.4B
NORTHERN TRUST CORPDecreased-29K-$1.1B
WELLINGTON MANAGEMENT GROUP LLPDecreased-11K-$990.9M
TWO SIGMA ADVISERS, LPDecreased-62K-$961.0M
MARSHALL WACE, LLPClosed Position-160K-$836.3M
IEQ CAPITAL, LLCDecreased-15K-$830.8M
SUSQUEHANNA INTERNATIONAL GROUP, LLPDecreased-95K-$826.8M
CITADEL ADVISORS LLCClosed Position-152K-$794.8M
MILLENNIUM MANAGEMENT LLCDecreased-105K-$779.7M
Nuveen, LLCDecreased-36K-$755.3M
UBS Group AGDecreased-105K-$553.9M
Cubist Systematic Strategies, LLCClosed Position-101K-$529.2M
RHUMBLINE ADVISERSDecreased-8K-$410.5M

Top Institutional Holders(Q4 2025)

#FundSharesValue% of PortfolioType
1Knoll Capital Management, LLC5,475,516$28.4B13.01%Share
2PERCEPTIVE ADVISORS LLC4,185,632$21.7B386.45%Share
3D. E. Shaw & Co., Inc.1,601,324$8.0B4.39%Share
4683 Capital Management, LLC1,530,000$7.9B0.34%Share
5KENNEDY CAPITAL MANAGEMENT LLC1,255,838$6.5B0.14%Share
6AQR CAPITAL MANAGEMENT LLC1,169,513$6.0B3.15%Share
7JACOBS LEVY EQUITY MANAGEMENT, INC968,751$5.0B19.31%Share
8DIMENSIONAL FUND ADVISORS LP576,050$2.0B0.42%Share
9BANK OF AMERICA CORP /DE/404,785$2.0B0.15%Share
101492 Capital Management LLC223,317$1.2B0.44%Share
11CITADEL ADVISORS LLC231,200$1.0B0.15%Call
12DEUTSCHE BANK AG\267,064$1.0B0.33%Share
13WELLS FARGO & COMPANY/MN300,328$1.0B0.18%Share
14SUSQUEHANNA INTERNATIONAL GROUP, LLP268,700$1.0B0.12%Call
15RENAISSANCE TECHNOLOGIES LLC350,000$1.0B1.55%Share
16TWO SIGMA INVESTMENTS, LP287,364$1.0B1.41%Share
17NORTHERN TRUST CORP370,061$1.0B0.13%Share
18GOLDMAN SACHS GROUP INC199,938$1.0B0.12%Share
19GROUP ONE TRADING LLC180,400$934.0M1.63%Call
20GROUP ONE TRADING LLC128,400$665.0M1.16%Put
21Invesco Ltd.119,078$616.0M0.09%Share
22Exome Asset Management LLC100,000$518.0M0.25%Call
23UBS Group AG93,813$485.0M0.08%Share
24GROUP ONE TRADING LLC83,449$432.0M0.75%Share
25STRS OHIO68,200$353.0M1.32%Share
26INTERNATIONAL ASSETS INVESTMENT MANAGEMENT, LLC47,475$245.0M0.02%Share
27Invesco Ltd.36,364$188.0M0.03%Share
28Caption Management, LLC35,000$181.0M1.24%Share
29Joseph P. Lucia & Associates, LLC26,732$138.0M0.05%Share
30AXQ CAPITAL, LP26,810$138.0M0.03%Share
31Providence Wealth Advisors, LLC25,000$104.0M0.06%Share
32Pallas Capital Advisors LLC17,338$89.0M0.00%Share
33LETKO, BROSSEAU & ASSOCIATES INC17,300$89.0M1.46%Share
34Capital Advisors Wealth Management, LLC15,800$81.0M0.01%Share
35PFG Investments, LLC15,500$80.0M0.00%Share
36Regal Investment Advisors LLC13,565$70.0M0.00%Share
37Invesco Ltd.7,645$39.0M0.01%Share
38Activest Wealth Management4,000$20.0M0.00%Share
39Farther Finance Advisors, LLC3,955$20.0M0.21%Share
40VANGUARD GROUP INC3,320,388$17.0M0.25%Share
41Washington Trust Advisors, Inc.2,800$14.0M0.00%Share
42BlackRock, Inc.2,118,468$10.0M0.17%Share
43KINGDON CAPITAL MANAGEMENT, L.L.C.1,850,000$9.6M1.14%Share
44UBS Group AG1,800$9.0M0.00%Share
45ARDSLEY ADVISORY PARTNERS LP1,450,000$7.5M0.82%Share
46BlackRock, Inc.1,400,220$7.0M0.12%Share
47Optiver Holding B.V.980$5.0M0.00%Share
48ACADIAN ASSET MANAGEMENT LLC979,521$5.0M0.01%Share
49STATE STREET CORP1,098,600$5.0M0.00%Share
50WOODSTOCK CORP266,756$1.4M0.12%Share

ALDX Institutional Ownership History

QuarterHoldersTotal ValueChange
Q4 2025134$98.1B+27
Q3 2025107$118.3B+2
Q2 2025105$69.0B-20
Q1 2025125$180.3B+16
Q4 2024109$192.1B+14
Q3 202495$1.2T+11
Q2 202484$1.2T+5
Q1 202479$131.2T—

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As of Q4 2025, 50 institutional investors hold ALDX (Aldeyra Therapeutics, Inc.). The largest holder is Knoll Capital Management, LLC with $28.4B in shares. This quarter, 9 institutions opened new positions and 3 closed their positions.

Frequently Asked Questions

How many hedge funds own ALDX?

As of Q4 2025, 50 institutional investors report holding ALDX (Aldeyra Therapeutics, Inc.) in their 13F filings.

Who is the largest institutional holder of ALDX?

The largest institutional holder of ALDX is Knoll Capital Management, LLC with $28.4B in shares.

Is institutional ownership of ALDX increasing or decreasing?

This quarter, 9 institutions opened new positions in ALDX and 3 closed their positions.