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, Q3 2021
Institutional positions in Aldeyra Therapeutics, Inc. as of Sep 30, 2021. 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
- 117
- −18 vs. Q2 2021
- Shares held
- 39.7M
- −5.15M (−11.5%) vs. Q2 2021
- Total value
- $348.9M
- −$159.4M (−31.4%) vs. Q2 2021
- New holders
- 16
- 30 more added
- Sold out
- 34
- 45 more reduced
1 institution that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2021: 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, Q3 2021
Shares, value and share of portfolio for each institution holding Aldeyra Therapeutics, Inc.; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Perceptive Advisors LLC | 9,903,879 | $87.0M | 1.27% | 00.0% | Unchanged |
| State Street Corp | 3,427,379 | $30.1M | 0.00% | +294,240+9.4% | Added |
| BlackRock Inc. | 3,263,942 | $28.7M | 0.00% | −11,842−0.4% | Reduced |
| First Light Asset Management, LLC | 2,985,712 | $26.2M | 1.73% | −485,747−14.0% | Reduced |
| Vanguard Group Inc | 2,727,396 | $23.9M | 0.00% | +30,946+1.1% | Added |
| Woodline Partners LP | 2,102,967 | $18.5M | 0.31% | +394,044+23.1% | Added |
| Eagle Asset Management Inc | 1,346,468 | $11.8M | 0.05% | +260,950+24.0% | Added |
| FMR LLC | 1,202,010 | $10.6M | 0.00% | −860.0% | Reduced |
| Geode Capital Management, LLC | 901,917 | $7.92M | 0.00% | +3,400+0.4% | Added |
| Altium Capital Management LP | 864,020 | $7.59M | 2.02% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 796,225 | $6.99M | 0.02% | −334,509−29.6% | Reduced |
| Two Sigma Advisers, LP | 788,400 | $6.92M | 0.02% | −227,100−22.4% | Reduced |
| Prosight Management, LP | 735,000 | $6.45M | 3.77% | +139,761+23.5% | Added |
| Ghost Tree Capital, LLC | 700,000 | $6.15M | 2.03% | +100,000+16.7% | Added |
| Verition Fund Management LLC | 648,207 | $5.69M | 0.09% | +120,376+22.8% | Added |
| Knoll Capital Management, LLC | 569,405 | $5.00M | 2.49% | 00.0% | Unchanged |
| Northern Trust Corp | 478,058 | $4.20M | 0.00% | −25,006−5.0% | Reduced |
| Millennium Management LLC | 402,943 | $3.54M | 0.00% | −7,605−1.9% | Reduced |
| Johnson & Johnson | 394,834 | $3.47M | 0.30% | +394,834 | New |
| HealthInvest Partners AB | 310,000 | $2.72M | 4.08% | +310,000 | New |
| Dimensional Fund Advisors LP | 271,384 | $2.38M | 0.00% | 00.0% | Unchanged |
| Deutsche Bank AG | 259,424 | $2.28M | 0.00% | −900−0.3% | Reduced |
| Wells Fargo & Company | 259,461 | $2.28M | 0.00% | +118,633+84.2% | Added |
| Nuveen Asset Management, LLC | 248,935 | $2.13M | 0.00% | −99,190−28.5% | Reduced |
| Affinity Asset Advisors, LLC | 197,759 | $1.74M | 0.69% | −2,241−1.1% | Reduced |
| Bank of New York Mellon Corp | 183,809 | $1.61M | 0.00% | −38,192−17.2% | Reduced |
| Caption Management, LLC | 177,279 | $1.56M | 0.10% | +177,279 | New |
| Susquehanna International Group, LLP | 171,114 | $1.50M | 0.00% | +54,655+46.9% | Added |
| Palo Alto Investors LP | 160,800 | $1.41M | 0.09% | 00.0% | Unchanged |
| Woodstock Corp | 148,072 | $1.30M | 0.15% | 00.0% | Unchanged |
| Weiss Multi-Strategy Advisers LLC | 147,439 | $1.29M | 0.03% | +6,535+4.6% | Added |
| Rafferty Asset Management, LLC | 144,823 | $1.27M | 0.01% | +11,400+8.5% | Added |
| Candriam Luxembourg S.C.A. | 140,000 | $1.23M | 0.01% | 00.0% | Unchanged |
| UBS Group AG | 137,183 | $1.21M | 0.00% | +122,307+822.2% | Added |
| Charles Schwab Investment Management Inc | 124,686 | $1.09M | 0.00% | −413−0.3% | Reduced |
| Goldman Sachs Group Inc | 122,055 | $1.07M | 0.00% | −885,564−87.9% | Reduced |
| Jetstream Capital LLC | 110,000 | $966.0K | 1.05% | +110,000 | New |
| Gsa Capital Partners LLP | 103,276 | $907.0K | 0.09% | +80,407+351.6% | Added |
| Citigroup Inc | 95,146 | $835.0K | 0.00% | −116,650−55.1% | Reduced |
| Bank of America Corp | 93,054 | $818.0K | 0.00% | −5,211−5.3% | Reduced |
| Group One Trading, L.P. | 81,321 | $714.0K | 0.02% | +81,321 | New |
| Alps Advisors Inc | 70,915 | $623.0K | 0.01% | −4,988−6.6% | Reduced |
| Assenagon Asset Management S.A. | 69,219 | $608.0K | 0.00% | −569,094−89.2% | Reduced |
| Stifel Financial Corp | 68,788 | $604.0K | 0.00% | +12,991+23.3% | Added |
| ClariVest Asset Management LLC | 67,100 | $590.0K | 0.02% | −600−0.9% | Reduced |
| DuPont Capital Management Corp | 63,786 | $560.0K | 0.02% | +63,786 | New |
| State of Wisconsin Investment Board | 62,700 | $551.0K | 0.00% | 00.0% | Unchanged |
| New York Life Investments Alternatives | 56,653 | $497.0K | 0.32% | +10,922+23.9% | Added |
| Morgan Stanley | 55,120 | $483.0K | 0.00% | −36,627−39.9% | Reduced |
| Jane Street Group, LLC | 53,482 | $469.0K | 0.00% | +40,240+303.9% | Added |
| LMR Partners LLP | 52,671 | $462.0K | 0.01% | −220,184−80.7% | Reduced |
| Mesirow Financial Investment Management, Inc. | 48,711 | $428.0K | 1.26% | −1,351−2.7% | Reduced |
| Citadel Advisors LLC | 48,133 | $423.0K | 0.00% | +20,056+71.4% | Added |
| Raymond James & Associates | 45,847 | $403.0K | 0.00% | −495−1.1% | Reduced |
| Ameriprise Financial Inc | 45,900 | $403.0K | 0.00% | −100−0.2% | Reduced |
| Squarepoint Ops LLC | 45,127 | $396.0K | 0.00% | +26,858+147.0% | Added |
| Barclays PLC | 43,881 | $386.0K | 0.00% | +15,186+52.9% | Added |
| Qube Research & Technologies Ltd | 43,459 | $382.0K | 0.00% | −5,039−10.4% | Reduced |
| Rhumbline Advisers | 43,453 | $382.0K | 0.00% | +1,923+4.6% | Added |
| Cubist Systematic Strategies, LLC | 43,252 | $380.0K | 0.00% | −77,597−64.2% | Reduced |
| International Assets Investment Management, LLC | 42,200 | $371.0K | 0.07% | +14,925+54.7% | Added |
| First Manhattan Co | 34,745 | $305.0K | 0.00% | −1,001−2.8% | Reduced |
| Tobias Financial Advisors, Inc. | 34,173 | $300.0K | 0.11% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 32,332 | $284.0K | 0.00% | −9,168−22.1% | Reduced |
| Parametric Portfolio Associates LLC | 31,184 | $274.0K | 0.00% | −87,756−73.8% | Reduced |
| ExodusPoint Capital Management, LP | 30,494 | $268.0K | 0.00% | +30,494 | New |
| Schonfeld Strategic Advisors LLC | 28,800 | $253.0K | 0.00% | −2,194−7.1% | Reduced |
| Susquehanna Fundamental Investments, LLC | 27,531 | $242.0K | 0.00% | −8,290−23.1% | Reduced |
| Manufacturers Life Insurance Company, The | 27,061 | $238.0K | 0.00% | −1,190−4.2% | Reduced |
| Simplex Trading, LLC | 20,810 | $235.0K | 0.01% | −115−0.5% | Reduced |
| American International Group, Inc. | 26,563 | $233.0K | 0.00% | −632−2.3% | Reduced |
| California State Teachers Retirement System | 26,203 | $230.0K | 0.00% | −40,757−60.9% | Reduced |
| Shepherd Kaplan Krochuk, LLC | 25,000 | $220.0K | 0.08% | 00.0% | Unchanged |
| Ironwood Investment Management LLC | 24,424 | $214.0K | 0.11% | 00.0% | Unchanged |
| Invesco Ltd. | 23,358 | $205.0K | 0.00% | +5,807+33.1% | Added |
| Hikari Power Ltd | 20,020 | $176.0K | 0.02% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 20,011 | $175.0K | 0.00% | +17,612+734.1% | Added |
| Voya Investment Management LLC | 19,097 | $168.0K | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 17,991 | $158.0K | 0.00% | −679−3.6% | Reduced |
| Virtus ETF Advisers LLC | 17,296 | $152.0K | 0.07% | −905−5.0% | Reduced |
| SG Americas Securities, LLC | 17,348 | $152.0K | 0.00% | +17,348 | New |
| Blueshift Asset Management, LLC | 16,343 | $143.0K | 0.01% | +16,343 | New |
| Alliancebernstein L.P. | 15,200 | $133.0K | 0.00% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 14,281 | $125.0K | 0.00% | −942−6.2% | Reduced |
| Belvedere Trading LLC | 14,241 | $119.0K | 0.03% | +14,241 | New |
| Kestra Advisory Services, LLC | 12,597 | $111.0K | 0.00% | 00.0% | Unchanged |
| SlateStone Wealth, LLC | 11,964 | $105.0K | 0.02% | 00.0% | Unchanged |
| First Midwest Bank Trust Division | 11,750 | $103.0K | 0.01% | −154,478−92.9% | Reduced |
| Cutler Group LP | 11,681 | $102.0K | 0.01% | +11,681 | New |
| Walleye Trading LLC | 11,489 | $101.0K | 0.00% | +11,489 | New |
| Federation des caisses Desjardins du Quebec | 11,180 | $98.2K | 0.00% | +420+3.9% | Added |
| Price T Rowe Associates Inc | 11,164 | $98.0K | 0.00% | −100−0.9% | Reduced |
| State Board of Administration of Florida Retirement System | 10,634 | $93.0K | 0.00% | 00.0% | Unchanged |
| Principal Financial Group Inc | 10,475 | $92.0K | 0.00% | −431−4.0% | Reduced |
| CIBC World Markets Inc. | 10,000 | $88.0K | 0.00% | 00.0% | Unchanged |
| MetLife Investment Management | 9,417 | $82.7K | 0.00% | −9,627−50.6% | Reduced |
| Metropolitan Life Insurance Co | 9,093 | $79.8K | 0.00% | −5,487−37.6% | Reduced |
| BNP Paribas Arbitrage, SA | 8,664 | $76.1K | 0.00% | +6,821+370.1% | Added |
| SG3 Management, LLC | 7,000 | $61.0K | 0.02% | +7,000 | New |
| Legal & General Group Plc | 5,132 | $45.0K | 0.00% | 00.0% | Unchanged |