Aldeyra TherapeuticsALDX
13F holders, Q1 2025 (March 31)126holders +7
23new positions
14sold out
4famous investors
$5.95avg. 13F price*
At the end of Q1 2025, 126 institutions reported holding Aldeyra Therapeutics Inc. (ALDX) in their 13F filings, up 7 from Q4 2024. 23 opened new positions and 14 sold out. The largest holders were Perceptive Advisors LLC ($53.3M), Knoll Capital Management, LLC ($31.5M) and BlackRock, Inc. ($21.5M). 4 famous investors held it, including Cliff Asness (0.0% of AQR Capital Management's portfolio), David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Aldeyra Therapeutics Inc.
- CUSIP
- 01438T106
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 23 | $8.1M |
| Exits | 14 | $1.5M |
All 13F filers, Q4 2024 → Q1 2025: 3,346,203 shares bought and 2,793,781 shares sold, net +552,422 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 126 holders
| Perceptive Advisors LLC | 1.89% | No change | 9,275,851 | $53.3M |
| Knoll Capital Management, LLC | 20.48% | No change | 5,475,516 | $31.5M |
| BlackRock, Inc. | 0.00% | Reduce -1.4% | 3,736,038 | $21.5M |
| Vanguard Group Inc. | 0.00% | Reduce -1.0% | 3,718,018 | $21.4M |
| Nuveen, LLC | 0.00% | — | 348,521 | $10.0M |
| Ardsley Advisory Partners LP | 2.29% | Add +52.2% | 1,750,000 | $9.9M |
| Kennedy Capital Management LLC | 0.17% | Reduce -16.0% | 1,233,414 | $7.1M |
| Geode Capital Management, LLC | 0.00% | Add +1.6% | 1,137,828 | $6.5M |
| State Street Corp. | 0.00% | Reduce -1.2% | 1,021,381 | $5.9M |
| Kingdon Capital Management, L.L.C. | 0.93% | New | 779,000 | $4.5M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -9.0% | 669,850 | $3.9M |
| Morgan Stanley | 0.00% | Reduce -4.3% | 555,059 | $3.2M |
| Federated Hermes, Inc. | 0.01% | Add +0.1% | 551,091 | $3.2M |
| Invesco Ltd. | 0.00% | Add +1575.7% | 501,137 | $2.9M |
| 683 Capital Management, LLC | 0.30% | Add +64.1% | 476,000 | $2.7M |
| Raymond James Financial Inc. | 0.00% | Reduce -37.9% | 451,915 | $2.6M |
| Bank of America Corp. | 0.00% | Add +33.4% | 408,542 | $2.3M |
| AQR Capital Management | 0.00% | Add +456.3% | 392,555 | $2.3M |
| Wells Fargo & Company | 0.00% | Reduce -0.3% | 392,532 | $2.3M |
| Northern Trust Corp. | 0.00% | Reduce -3.9% | 389,582 | $2.2M |
| Deutsche Bank AG | 0.00% | Reduce -1.5% | 314,423 | $1.8M |
| Palo Alto Investors LP | 0.25% | No change | 225,465 | $1.3M |
| Woodstock Corp. | 0.13% | Add +14.4% | 223,094 | $1.3M |
| ADAR1 Capital Management, LLC | 0.24% | Reduce -67.3% | 211,579 | $1.2M |
| Caption Management, LLC | 0.05% | Reduce -54.3% | 181,106 | $1.0M |
| Jane Street Group, LLC | 0.00% | New | 178,110 | $1.0M |
| Group One Trading LLC | 0.04% | Reduce -19.5% | 164,411 | $945K |
| Trexquant Investment LP | 0.01% | Add +38.1% | 158,117 | $909K |
| D. E. Shaw & Co. | 0.00% | Reduce -19.6% | 151,642 | $872K |
| Kennondale Capital Management LLC | 0.95% | No change | 151,280 | $870K |
| Charles Schwab Investment Management Inc. | 0.00% | Add +0.9% | 137,985 | $793K |
| Millennium Management | 0.00% | Reduce -16.5% | 135,155 | $777K |
| Goldman Sachs Group Inc. | 0.00% | Reduce -48.3% | 124,365 | $715K |
| Wellington Management Group LLP | 0.00% | New | 117,475 | $675K |
| Renaissance Technologies | 0.00% | Reduce -30.2% | 116,600 | $670K |
| Bank of New York Mellon Corp | 0.00% | Reduce -5.0% | 110,931 | $638K |
| Acadian Asset Management LLC | 0.00% | Add +7402.7% | 95,960 | $551K |
| UBS Group AG | 0.00% | Add +0.2% | 94,470 | $543K |
| STRS Ohio | 0.00% | Reduce -21.9% | 76,500 | $440K |
| Rhumbline Advisers | 0.00% | Reduce -3.5% | 75,476 | $434K |
| Hennion & Walsh Asset Management, Inc. | 0.02% | Reduce -18.7% | 69,442 | $399K |
| Susquehanna International Group, LLP | 0.00% | Reduce -28.8% | 65,308 | $376K |
| Alliancebernstein L.P. | 0.00% | No change | 58,650 | $337K |
| Two Sigma Investments, LP | 0.00% | Reduce -57.9% | 55,327 | $318K |
| PFG Investments, LLC | 0.02% | Reduce -85.1% | 51,750 | $298K |
| Barclays PLC | 0.00% | Reduce -32.4% | 50,957 | $293K |
| Panagora Asset Management Inc. | 0.00% | Reduce -71.3% | 50,454 | $290K |
| LPL Financial LLC | 0.00% | Reduce -17.2% | 49,268 | $283K |
| International Assets Investment Management, LLC | 0.02% | Reduce -18.6% | 48,640 | $280K |
| Captrust Financial Advisors | 0.00% | Add +128.1% | 47,195 | $271K |
| Ieq Capital, LLC | 0.00% | New | 44,145 | $254K |
| Alps Advisors Inc. | 0.00% | Reduce -9.0% | 43,803 | $252K |
| Jacobs Levy Equity Management, Inc. | 0.00% | New | 37,984 | $218K |
| Verition Fund Management LLC | 0.00% | New | 37,505 | $216K |
| T. Rowe Price Associates Inc. | 0.00% | Add +9.3% | 35,083 | $202K |
| First Manhattan Co. Llc. | 0.00% | No change | 34,745 | $200K |
| Citigroup Inc. | 0.00% | Reduce -10.2% | 34,662 | $199K |
| Two Sigma Advisers, LP | 0.00% | Reduce -73.6% | 33,100 | $190K |
| Franklin Resources Inc. | 0.00% | New | 32,346 | $186K |
| Joseph P. Lucia & Associates, LLC | 0.08% | Reduce -0.0% | 31,658 | $182K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +4.4% | 29,840 | $172K |
| MetLife Investment Management, LLC | 0.00% | Reduce -2.1% | 28,099 | $162K |
| JPMorgan Chase & Co. | 0.00% | Add +8.5% | 27,544 | $158K |
| BNP Paribas Financial Markets | 0.00% | Add +326.3% | 27,093 | $156K |
| Russell Investments Group, Ltd. | 0.00% | New | 27,042 | $155K |
| Corebridge Financial, Inc. | 0.00% | Reduce -1.5% | 24,406 | $140K |
| Intech Investment Management LLC | 0.00% | Reduce -1.3% | 23,506 | $135K |
| XTX Topco Ltd | 0.01% | New | 23,332 | $134K |
| Fox Run Management, L.L.C. | 0.02% | New | 22,912 | $132K |
| Providence Wealth Advisors, LLC | 0.10% | No change | 25,000 | $130K |
| Commonwealth Equity Services, LLC | 0.00% | New | 22,395 | $129K |
| Hikari Power Ltd | 0.01% | No change | 20,020 | $115K |
| Cwm, LLC | 0.00% | Add +1164.4% | 19,244 | $111K |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -5.5% | 18,102 | $104K |
| SG Americas Securities, LLC | 0.00% | Reduce -20.3% | 17,818 | $102K |
| Letko, Brosseau & Associates Inc. | 0.00% | No change | 17,300 | $99K |
| HRT Financial LP | 0.00% | Reduce -73.8% | 16,233 | $93K |
| Stifel Financial Corp. | 0.00% | Add +1.2% | 14,935 | $86K |
| Wolverine Trading, LLC | 0.00% | New | 12,028 | $80K |
| Voya Investment Management LLC | 0.00% | Reduce -13.0% | 13,924 | $80K |
| CIBC Private Wealth Group LLC | 0.00% | Reduce -20.4% | 40,953 | $79K |
| Regal Investment Advisors LLC | 0.01% | No change | 13,167 | $76K |
| Creative Planning | 0.00% | New | 13,017 | $75K |
| HSBC Holdings PLC | 0.00% | Add +10.4% | 11,543 | $69K |
| Brevan Howard Capital Management LP | 0.00% | New | 11,397 | $66K |
| Cibc World Markets Corp. | 0.00% | New | 11,054 | $64K |
| Wealth Enhancement Advisory Services, LLC | 0.00% | New | 10,910 | $63K |
| Capital Advisors Wealth Management, LLC | 0.01% | New | 10,800 | $62K |
| ProShare Advisors LLC | 0.00% | Reduce -23.1% | 10,784 | $62K |
| Clearstead Advisors, LLC | 0.00% | No change | 10,398 | $60K |
| Deerfield Management Company, L.P. | 0.00% | New | 10,328 | $59K |
| FMR LLC | 0.00% | Reduce -5.0% | 10,233 | $59K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 10,016 | $58K |
| New York State Common Retirement Fund | 0.00% | No change | 9,598 | $55K |
| Federation des caisses Desjardins du Quebec | 0.00% | No change | 6,992 | $40K |
| Farther Finance Advisors, LLC | 0.00% | No change | 6,906 | $38K |
| Simplex Trading, LLC | 0.00% | Reduce -89.6% | 4,711 | $27K |
| Legal & General Group Plc | 0.00% | No change | 4,397 | $25K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 3,846 | $22K |
| Washington Trust Advisors, Inc. | 0.00% | No change | 3,800 | $22K |
| California State Teachers Retirement System | 0.00% | No change | 3,610 | $21K |
| Royal Bank of Canada | 0.00% | Reduce -52.3% | 3,434 | $19K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -50.3% | 2,199 | $13K |
| Activest Wealth Management | 0.00% | No change | 2,000 | $12K |
| Raffa Wealth Management, LLC | 0.00% | No change | 1,897 | $11K |
| Nisa Investment Advisors, LLC | 0.00% | Add +3.1% | 1,630 | $9K |
| Amalgamated Bank | 0.00% | No change | 1,571 | $9K |
| Brooklyn Investment Group | 0.00% | New | 1,442 | $8K |
| Stephens Consulting, LLC | 0.00% | No change | 1,000 | $6K |
| Osaic Holdings, Inc. | 0.00% | Add +51.7% | 880 | $5K |
| Sterling Capital Management LLC | 0.00% | Reduce -46.0% | 777 | $4K |
| GAMMA Investing LLC | 0.00% | New | 684 | $4K |
| PSI Advisors, LLC | 0.00% | No change | 650 | $4K |
| EverSource Wealth Advisors, LLC | 0.00% | Add +2546.7% | 397 | $2K |
| Truvestments Capital LLC | 0.00% | No change | 265 | $2K |
| SBI Securities Co., Ltd. | 0.00% | Add +4.4% | 263 | $2K |
| True Wealth Design, LLC | 0.00% | Add +1115.0% | 243 | $1K |
| Comerica Bank | 0.00% | No change | 238 | $1K |
| Caitong International Asset Management Co., Ltd | 0.00% | New | 171 | $983 |
| HighMark Wealth Management LLC | 0.00% | No change | 155 | $891 |
| Arax Advisory Partners | 0.00% | Reduce -31.3% | 125 | $719 |
| Wolff Wiese Magana LLC | 0.00% | No change | 113 | $650 |
| PNC Financial Services Group, Inc. | 0.00% | Add +176.5% | 94 | $541 |
| Parallel Advisors, LLC | 0.00% | New | 30 | $173 |
| US Bancorp \de | 0.00% | New | 24 | $138 |
| TD Waterhouse Canada Inc. | 0.00% | No change | 15 | $82 |
"% of holder's portfolio" is ALDX's weight in each manager's 13F, not the share of Aldeyra Therapeutics Inc. the manager owns.