Security key
01438T106
Aldeyra Therapeutics, Inc. - Common Stock, par value $0.001 per share (ALDX)
CUSIP: 01438T106
Q4 2025 13F Holders as of 31 Dec 2025
- Type / Class
- Equity / Common Stock, par value $0.001 per share
- Shares outstanding
- 59,794,743
- Total 13F shares
- 38,964,894
- Share change
- -387,678
- Total reported value
- $201,775,126
- Put/Call ratio
- 30%
- Price per share
- $5.18
- Number of holders
- 135
- Value change
- -$2,038,386
- Number of buys
- 55
- Number of sells
- 65
Report period
Q4 2025
Institutions
135
Top holders
10
ALDX full security history
Newer quarter: Q1 2026
Previous quarter: Q3 2025
Aldeyra Therapeutics, Inc. SEC filings
Aldeyra Therapeutics, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 01438T106
Recent filing periods:
Top shareholders of ALDX - Aldeyra Therapeutics, Inc. - Common Stock, par value $0.001 per share (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| Knoll Capital Management, LLC |
13F
|
Company |
9.2%
|
5,475,516
|
$28,582,193 | — | 30 Sep 2025 | |
| PERCEPTIVE ADVISORS LLC |
3/4/5
13F
|
10%+ Owner · Company |
8.7%
from 13F
|
5,875,851
|
$27,829,793 | — | 03 Apr 2025 | |
| BlackRock, Inc. |
13F
|
Company |
6.4%
|
3,804,920
|
$19,861,683 | — | 30 Sep 2025 | |
| VANGUARD GROUP INC |
13F
|
Company |
6%
|
3,591,869
|
$18,749,556 | — | 30 Sep 2025 | |
| ARDSLEY ADVISORY PARTNERS LP |
13F
|
Company |
3.2%
|
1,900,000
|
$9,918,000 | — | 30 Sep 2025 | |
| AQR CAPITAL MANAGEMENT LLC |
13F
|
Company |
2.5%
|
1,505,360
|
$7,857,980 | — | 30 Sep 2025 | |
| D. E. Shaw & Co., Inc. |
13F
|
Company |
2.3%
|
1,379,843
|
$7,202,780 | — | 30 Sep 2025 | |
| KINGDON CAPITAL MANAGEMENT, L.L.C. |
13F
|
Company |
2.2%
|
1,331,791
|
$6,951,949 | — | 30 Sep 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
2%
|
1,176,420
|
$6,142,220 | — | 30 Sep 2025 | |
| KENNEDY CAPITAL MANAGEMENT LLC |
13F
|
Company |
1.9%
|
1,112,213
|
$5,805,752 | — | 30 Sep 2025 | |
| STATE STREET CORP |
13F
|
Company |
1.8%
|
1,102,674
|
$5,755,958 | — | 30 Sep 2025 | |
| MORGAN STANLEY |
13F
|
Company |
1.8%
|
1,083,319
|
$5,654,926 | — | 30 Sep 2025 | |
| JACOBS LEVY EQUITY MANAGEMENT, INC |
13F
|
Company |
1.6%
|
947,551
|
$4,946,216 | — | 30 Sep 2025 | |
| ACADIAN ASSET MANAGEMENT LLC |
13F
|
Company |
1.4%
|
835,811
|
$4,360,000 | — | 30 Sep 2025 | |
| 683 Capital Management, LLC |
13F
|
Company |
1.4%
|
820,000
|
$4,280,400 | — | 30 Sep 2025 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
1.1%
|
648,371
|
$3,384,462 | — | 30 Sep 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.68%
|
407,960
|
$2,129,551 | — | 30 Sep 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0.65%
|
390,078
|
$2,036,207 | — | 30 Sep 2025 | |
| WELLS FARGO & COMPANY/MN |
13F
|
Company |
0.6%
|
361,469
|
$1,886,868 | — | 30 Sep 2025 | |
| DEUTSCHE BANK AG\ |
13F
|
Company |
0.53%
|
314,728
|
$1,642,880 | — | 30 Sep 2025 | |
| TWO SIGMA INVESTMENTS, LP |
13F
|
Company |
0.46%
|
273,054
|
$1,425,342 | — | 30 Sep 2025 | |
| WOODSTOCK CORP |
13F
|
Company |
0.45%
|
266,756
|
$1,392,466 | — | 30 Sep 2025 | |
| JANE STREET GROUP, LLC |
13F
|
Company |
0.42%
|
251,518
|
$1,312,924 | — | 30 Sep 2025 | |
| Palo Alto Investors LP |
13F
|
Company |
0.38%
|
225,465
|
$1,176,927 | — | 30 Sep 2025 | |
| UBS Group AG |
13F
|
Company |
0.34%
|
200,739
|
$1,047,857 | — | 30 Sep 2025 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
0.33%
|
197,300
|
$1,029,906 | — | 30 Sep 2025 | |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
|
Company |
0.32%
|
189,821
|
$990,866 | — | 30 Sep 2025 | |
| TWO SIGMA ADVISERS, LP |
13F
|
Company |
0.31%
|
184,100
|
$961,002 | — | 30 Sep 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.31%
|
182,943
|
$954,962 | — | 30 Sep 2025 | |
| MARSHALL WACE, LLP |
13F
|
Company |
0.27%
|
160,213
|
$836,312 | — | 30 Sep 2025 | |
| IEQ CAPITAL, LLC |
13F
|
Company |
0.27%
|
159,153
|
$830,778 | — | 30 Sep 2025 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
|
Company |
0.26%
|
158,383
|
$826,759 | — | 30 Sep 2025 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
0.25%
|
152,254
|
$794,766 | — | 30 Sep 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.25%
|
150,478
|
$785,495 | — | 30 Sep 2025 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
0.25%
|
149,365
|
$779,685 | — | 30 Sep 2025 | |
| Nuveen, LLC |
13F
|
Company |
0.24%
|
144,685
|
$755,256 | — | 30 Sep 2025 | |
| Y-Intercept (Hong Kong) Ltd |
13F
|
Company |
0.23%
|
138,091
|
$720,835 | — | 30 Sep 2025 | |
| Invesco Ltd. |
13F
|
Company |
0.22%
|
133,705
|
$697,940 | — | 30 Sep 2025 | |
| GSA CAPITAL PARTNERS LLP |
13F
|
Company |
0.21%
|
122,664
|
$640,000 | — | 30 Sep 2025 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.2%
|
121,852
|
$636,068 | — | 30 Sep 2025 | |
| GROUP ONE TRADING LLC |
13F
|
Company |
0.19%
|
113,584
|
$592,908 | — | 30 Sep 2025 | |
| Russell Investments Group, Ltd. |
13F
|
Company |
0.19%
|
111,102
|
$579,954 | — | 30 Sep 2025 | |
| Cubist Systematic Strategies, LLC |
13F
|
Company |
0.17%
|
101,375
|
$529,178 | — | 30 Sep 2025 | |
| STRS OHIO |
13F
|
Company |
0.14%
|
85,700
|
$447,354 | — | 30 Sep 2025 | |
| RHUMBLINE ADVISERS |
13F
|
Company |
0.13%
|
78,646
|
$410,521 | — | 30 Sep 2025 | |
| BARCLAYS PLC |
13F
|
Company |
0.13%
|
76,644
|
$400,082 | — | 30 Sep 2025 | |
| ALLIANCEBERNSTEIN L.P. |
13F
|
Company |
0.13%
|
75,550
|
$394,371 | — | 30 Sep 2025 | |
| PFG Investments, LLC |
13F
|
Company |
0.11%
|
66,000
|
$344,520 | — | 30 Sep 2025 | |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
|
Company |
0.11%
|
64,262
|
$336,000 | — | 30 Sep 2025 | |
| STATE OF WISCONSIN INVESTMENT BOARD |
13F
|
Company |
0.1%
|
60,894
|
$317,867 | — | 30 Sep 2025 |
Institutional Holders of Aldeyra Therapeutics, Inc. - Common Stock, par value $0.001 per share (ALDX) as of Q4 2025
As of 31 Dec 2025,
Aldeyra Therapeutics, Inc. - Common Stock, par value $0.001 per share (ALDX) was held by
135 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
38,964,894 shares.
The largest 10 holders included
Knoll Capital Management, LLC, PERCEPTIVE ADVISORS LLC, BlackRock, Inc., VANGUARD GROUP INC, KINGDON CAPITAL MANAGEMENT, L.L.C., D. E. Shaw & Co., Inc., 683 Capital Management, LLC, ARDSLEY ADVISORY PARTNERS LP, KENNEDY CAPITAL MANAGEMENT LLC, and AQR CAPITAL MANAGEMENT LLC.
This page lists
135
institutional shareholders reporting positions in this security
for the Q4 2025 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q4 2025 vs Q3 2025 Across Filers
Q3 2025 holders
129
Q4 2025 holders
135
Holder diff
6
| Investor | Q3 2025 Shares | Q4 2025 Shares | Share Diff | Share Chg % | Q3 2025 Value $ | Q4 2025 Value $ | Value Diff $ | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
An asterisk sign (*) next to the price indicates that the price is likely invalid.