Aldeyra Therapeutics, Inc.
ALDX- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001341235
No open-market purchases or sales by Aldeyra Therapeutics, Inc. insiders were filed in the last 90 days; 107 institutions reported holding it in 13F filings for Q2 2026, worth $77.7M in total; no superinvestor holds it.
13F holders, Q1 2025
Institutional positions in Aldeyra Therapeutics, Inc. as of Mar 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 126
- +10 vs. Q4 2024
- Shares held
- 37.9M
- +900.9K (+2.4%) vs. Q4 2024
- Total value
- $215.5M
- +$31.0M (+16.8%) vs. Q4 2024
- New holders
- 24
- 26 more added
- Sold out
- 14
- 47 more reduced
3 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ALDX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 107 | $77.7M |
| Q1 2026 | 128 | $63.3M |
| Q4 2025 | 136 | $201.8M |
| Q3 2025 | 131 | $204.2M |
| Q2 2025 | 122 | $130.8M |
| Q1 2025 | 126 | $215.5M |
| Q4 2024 | 119 | $185.6M |
| Q3 2024 | 112 | $196.4M |
| Q2 2024 | 103 | $116.9M |
| Q1 2024 | 101 | $115.8M |
| Q4 2023 | 105 | $123.3M |
| Q3 2023 | 120 | $252.3M |
| Q2 2023 | 119 | $327.5M |
| Q1 2023 | 109 | $353.4M |
| Q4 2022 | 96 | $237.9M |
| Q3 2022 | 89 | $197.4M |
| Q2 2022 | 95 | $147.5M |
| Q1 2022 | 111 | $171.8M |
| Q4 2021 | 115 | $146.7M |
| Q3 2021 | 117 | $348.9M |
| Q2 2021 | 136 | $512.8M |
| Q1 2021 | 108 | $376.7M |
Institutions, Q1 2025
Shares, value and share of portfolio for each institution holding Aldeyra Therapeutics, Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Perceptive Advisors LLC | 9,275,851 | $53.3M | 1.89% | 00.0% | Unchanged |
| Knoll Capital Management, LLC | 5,475,516 | $31.5M | 20.48% | 00.0% | Unchanged |
| BlackRock, Inc. | 3,736,038 | $21.5M | 0.00% | −54,152−1.4% | Reduced |
| Vanguard Group Inc | 3,718,018 | $21.4M | 0.00% | −38,770−1.0% | Reduced |
| Ardsley Advisory Partners LP | 1,750,000 | $9.89M | 2.29% | +600,000+52.2% | Added |
| Kennedy Capital Management, Inc. | 1,233,414 | $7.09M | 0.17% | −235,105−16.0% | Reduced |
| Geode Capital Management, LLC | 1,137,828 | $6.54M | 0.00% | +18,273+1.6% | Added |
| State Street Corp | 1,021,381 | $5.87M | 0.00% | −11,992−1.2% | Reduced |
| Kingdon Capital Management, L.L.C. | 779,000 | $4.48M | 0.93% | +779,000 | New |
| Dimensional Fund Advisors LP | 669,850 | $3.85M | 0.00% | −65,913−9.0% | Reduced |
| Morgan Stanley | 555,059 | $3.19M | 0.00% | −24,656−4.3% | Reduced |
| Federated Hermes, Inc. | 551,091 | $3.17M | 0.01% | +714+0.1% | Added |
| Invesco Ltd. | 501,137 | $2.88M | 0.00% | +471,231+1,575.7% | Added |
| 683 Capital Management, LLC | 476,000 | $2.74M | 0.28% | +186,000+64.1% | Added |
| Raymond James Financial Inc | 451,915 | $2.60M | 0.00% | −275,203−37.8% | Reduced |
| Bank of America Corp | 408,542 | $2.35M | 0.00% | +102,296+33.4% | Added |
| AQR Capital Management LLC | 392,555 | $2.26M | 0.00% | +321,992+456.3% | Added |
| Wells Fargo & Company | 392,532 | $2.26M | 0.00% | −1,122−0.3% | Reduced |
| Northern Trust Corp | 389,582 | $2.24M | 0.00% | −15,935−3.9% | Reduced |
| Deutsche Bank AG | 314,423 | $1.81M | 0.00% | −4,864−1.5% | Reduced |
| Palo Alto Investors LP | 225,465 | $1.30M | 0.25% | 00.0% | Unchanged |
| Woodstock Corp | 223,094 | $1.28M | 0.13% | +28,175+14.5% | Added |
| ADAR1 Capital Management, LLC | 211,579 | $1.22M | 0.23% | −436,381−67.3% | Reduced |
| Caption Management, LLC | 181,106 | $1.04M | 0.05% | −215,383−54.3% | Reduced |
| Jane Street Group, LLC | 178,110 | $1.02M | 0.00% | +178,110 | New |
| Group One Trading, L.P. | 164,411 | $945.4K | 0.04% | −39,740−19.5% | Reduced |
| Trexquant Investment LP | 158,117 | $909.2K | 0.01% | +43,637+38.1% | Added |
| D. E. Shaw & Co., Inc. | 151,642 | $871.9K | 0.00% | −36,941−19.6% | Reduced |
| Kennondale Capital Management LLC | 151,280 | $869.9K | 0.95% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 137,985 | $793.4K | 0.00% | +1,252+0.9% | Added |
| Millennium Management LLC | 135,155 | $777.1K | 0.00% | −26,771−16.5% | Reduced |
| Goldman Sachs Group Inc | 124,365 | $715.1K | 0.00% | −115,969−48.3% | Reduced |
| Wellington Management Group LLP | 117,475 | $675.5K | 0.00% | +117,475 | New |
| Renaissance Technologies LLC | 116,600 | $670.5K | 0.00% | −50,500−30.2% | Reduced |
| Bank of New York Mellon Corp | 110,931 | $637.9K | 0.00% | −5,847−5.0% | Reduced |
| Acadian Asset Management LLC | 95,960 | $551.0K | 0.00% | +94,681+7,402.7% | Added |
| UBS Group AG | 94,470 | $543.2K | 0.00% | +195+0.2% | Added |
| STRS Ohio | 76,500 | $439.9K | 0.00% | −21,400−21.9% | Reduced |
| Rhumbline Advisers | 75,476 | $434.0K | 0.00% | −2,712−3.5% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 69,442 | $399.3K | 0.02% | −16,006−18.7% | Reduced |
| Susquehanna International Group, LLP | 65,308 | $375.5K | 0.00% | −26,438−28.8% | Reduced |
| Alliancebernstein L.P. | 58,650 | $337.2K | 0.00% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 55,327 | $318.1K | 0.00% | −76,083−57.9% | Reduced |
| PFG Investments, LLC | 51,750 | $297.6K | 0.02% | −295,997−85.1% | Reduced |
| Barclays PLC | 50,957 | $293.0K | 0.00% | −24,373−32.4% | Reduced |
| Panagora Asset Management Inc | 50,454 | $290.1K | 0.00% | −125,554−71.3% | Reduced |
| LPL Financial LLC | 49,268 | $283.3K | 0.00% | −10,220−17.2% | Reduced |
| International Assets Investment Management, LLC | 48,640 | $279.7K | 0.02% | −11,110−18.6% | Reduced |
| Captrust Financial Advisors | 47,195 | $271.4K | 0.00% | +26,500+128.1% | Added |
| Ieq Capital, LLC | 44,145 | $253.8K | 0.00% | +44,145 | New |
| Alps Advisors Inc | 43,803 | $251.9K | 0.00% | −4,352−9.0% | Reduced |
| Jacobs Levy Equity Management, Inc | 37,984 | $218.4K | 0.00% | +37,984 | New |
| Verition Fund Management LLC | 37,505 | $215.7K | 0.00% | +37,505 | New |
| Price T Rowe Associates Inc | 35,083 | $202.0K | 0.00% | +2,978+9.3% | Added |
| First Manhattan Co | 34,745 | $199.8K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 34,662 | $199.3K | 0.00% | −3,932−10.2% | Reduced |
| Two Sigma Advisers, LP | 33,100 | $190.3K | 0.00% | −92,200−73.6% | Reduced |
| Franklin Resources Inc | 32,346 | $186.0K | 0.00% | +32,346 | New |
| Joseph P. Lucia & Associates, LLC | 31,658 | $182.0K | 0.08% | −120.0% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 29,840 | $171.6K | 0.00% | +1,248+4.4% | Added |
| MetLife Investment Management | 28,099 | $161.6K | 0.00% | −590−2.1% | Reduced |
| JPMorgan Chase & Co | 27,544 | $158.4K | 0.00% | +2,150+8.5% | Added |
| BNP Paribas Arbitrage, SA | 27,093 | $155.8K | 0.00% | +20,738+326.3% | Added |
| Russell Investments Group, Ltd. | 27,042 | $155.5K | 0.00% | +27,042 | New |
| Corebridge Financial, Inc. | 24,406 | $140.3K | 0.00% | −361−1.5% | Reduced |
| Intech Investment Management LLC | 23,506 | $135.2K | 0.00% | −300−1.3% | Reduced |
| XTX Topco Ltd | 23,332 | $134.2K | 0.01% | +23,332 | New |
| Fox Run Management, L.L.C. | 22,912 | $131.7K | 0.02% | +22,912 | New |
| Providence Wealth Advisors, LLC | 25,000 | $130.3K | 0.10% | 00.0% | Unchanged |
| Commonwealth Equity Services, LLC | 22,395 | $129.0K | 0.00% | +22,395 | New |
| Hikari Power Ltd | 20,020 | $115.0K | 0.01% | 00.0% | Unchanged |
| CWM, LLC | 19,244 | $111.0K | 0.00% | +17,722+1,164.4% | Added |
| Manufacturers Life Insurance Company, The | 18,102 | $104.1K | 0.00% | −1,059−5.5% | Reduced |
| SG Americas Securities, LLC | 17,818 | $102.0K | 0.00% | −4,547−20.3% | Reduced |
| Letko, Brosseau & Associates Inc | 17,300 | $99.5K | 0.00% | 00.0% | Unchanged |
| HRT Financial LP | 16,233 | $93.0K | 0.00% | −45,656−73.8% | Reduced |
| Stifel Financial Corp | 14,935 | $85.9K | 0.00% | +179+1.2% | Added |
| Wolverine Trading, LLC | 12,028 | $80.2K | 0.00% | +12,028 | New |
| Voya Investment Management LLC | 13,924 | $80.1K | 0.00% | −2,078−13.0% | Reduced |
| CIBC Private Wealth Group, LLC | 40,953 | $78.6K | 0.00% | −10,505−20.4% | Reduced |
| Regal Investment Advisors LLC | 13,167 | $75.7K | 0.01% | 00.0% | Unchanged |
| Creative Planning | 13,017 | $74.8K | 0.00% | +13,017 | New |
| HSBC Holdings PLC | 11,543 | $68.8K | 0.00% | +1,086+10.4% | Added |
| Brevan Howard Capital Management LP | 11,397 | $65.5K | 0.00% | +11,397 | New |
| CIBC World Markets Corp | 11,054 | $63.6K | 0.00% | +11,054 | New |
| Wealth Enhancement Advisory Services, LLC | 10,910 | $62.7K | 0.00% | +10,910 | New |
| Capital Advisors Wealth Management, LLC | 10,800 | $62.1K | 0.01% | +10,800 | New |
| ProShare Advisors LLC | 10,784 | $62.0K | 0.00% | −3,247−23.1% | Reduced |
| Clearstead Advisors, LLC | 10,398 | $59.8K | 0.00% | 00.0% | Unchanged |
| Deerfield Management Company, L.P. (Series C) | 10,328 | $59.4K | 0.00% | +10,328 | New |
| FMR LLC | 10,233 | $58.8K | 0.00% | −538−5.0% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 10,016 | $57.6K | 0.00% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 9,598 | $55.2K | 0.00% | 00.0% | Unchanged |
| Federation des caisses Desjardins du Quebec | 6,992 | $40.2K | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 6,906 | $37.8K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 4,711 | $27.0K | 0.00% | −40,521−89.6% | Reduced |
| Legal & General Group Plc | 4,397 | $25.3K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 3,846 | $22.1K | 0.00% | 00.0% | Unchanged |
| Washington Trust Advisors, Inc. | 3,800 | $21.9K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 3,610 | $20.8K | 0.00% | 00.0% | Unchanged |