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, Q4 2021
Institutional positions in Aldeyra Therapeutics, Inc. as of Dec 31, 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
- 115
- −2 vs. Q3 2021
- Shares held
- 36.5M
- −3.23M (−8.1%) vs. Q3 2021
- Total value
- $146.7M
- −$202.2M (−58.0%) vs. Q3 2021
- New holders
- 21
- 39 more added
- Sold out
- 23
- 34 more reduced
Compare with Q3 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, Q4 2021
Shares, value and share of portfolio for each institution holding Aldeyra Therapeutics, Inc.; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Northern Trust Corp | 454,115 | $1.82M | 0.00% | −23,943−5.0% | Reduced |
| Acuta Capital Partners, LLC | 500,000 | $2.00M | 0.84% | +500,000 | New |
| Two Sigma Investments, LP | 677,072 | $2.71M | 0.01% | −119,153−15.0% | Reduced |
| Two Sigma Advisers, LP | 689,200 | $2.76M | 0.01% | −99,200−12.6% | Reduced |
| Knoll Capital Management, LLC | 759,405 | $3.04M | 1.67% | +190,000+33.4% | Added |
| Woodline Partners LP | 776,234 | $3.10M | 0.05% | −1,326,733−63.1% | Reduced |
| Geode Capital Management, LLC | 852,760 | $3.41M | 0.00% | −49,157−5.5% | Reduced |
| Prosight Management, LP | 1,155,300 | $4.62M | 3.08% | +420,300+57.2% | Added |
| Verition Fund Management LLC | 1,366,701 | $5.47M | 0.07% | +718,494+110.8% | Added |
| Eagle Asset Management Inc | 1,392,936 | $5.66M | 0.02% | +46,468+3.5% | Added |
| Millennium Management LLC | 1,658,935 | $6.64M | 0.01% | +1,255,992+311.7% | Added |
| Vanguard Group Inc | 2,813,924 | $11.3M | 0.00% | +86,528+3.2% | Added |
| State Street Corp | 3,082,352 | $12.3M | 0.00% | −345,027−10.1% | Reduced |
| BlackRock Inc. | 3,228,811 | $12.9M | 0.00% | −35,131−1.1% | Reduced |
| Perceptive Advisors LLC | 9,903,879 | $39.6M | 0.61% | 00.0% | Unchanged |
| First Light Asset Management, LLC | 0 | $0 | 0.00% | −2,985,712−100.0% | Sold out |
| Altium Capital Management LP | 0 | $0 | 0.00% | −864,020−100.0% | Sold out |
| Ghost Tree Capital, LLC | 0 | $0 | 0.00% | −700,000−100.0% | Sold out |
| HealthInvest Partners AB | 0 | $0 | 0.00% | −310,000−100.0% | Sold out |
| Woodstock Corp | 0 | $0 | 0.00% | −148,072−100.0% | Sold out |
| Jetstream Capital LLC | 0 | $0 | 0.00% | −110,000−100.0% | Sold out |
| LMR Partners LLP | 0 | $0 | 0.00% | −52,671−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −43,459−100.0% | Sold out |
| Tobias Financial Advisors, Inc. | 0 | $0 | 0.00% | −34,173−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −28,800−100.0% | Sold out |
| Susquehanna Fundamental Investments, LLC | 0 | $0 | 0.00% | −27,531−100.0% | Sold out |
| Shepherd Kaplan Krochuk, LLC | 0 | $0 | 0.00% | −25,000−100.0% | Sold out |
| Ironwood Investment Management LLC | 0 | $0 | 0.00% | −24,424−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −17,348−100.0% | Sold out |
| Blueshift Asset Management, LLC | 0 | $0 | 0.00% | −16,343−100.0% | Sold out |
| First Midwest Bank Trust Division | 0 | $0 | 0.00% | −11,750−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −11,489−100.0% | Sold out |
| Principal Financial Group Inc | 0 | $0 | 0.00% | −10,475−100.0% | Sold out |
| SG3 Management, LLC | 0 | $0 | 0.00% | −7,000−100.0% | Sold out |
| ACT Capital Management, LLC | 0 | $0 | 0.00% | −1,500−100.0% | Sold out |
| The PNC Financial Services Group, Inc. | 0 | $0 | 0.00% | −248−100.0% | Sold out |
| Parallel Advisors, LLC | 0 | $0 | 0.00% | −17−100.0% | Sold out |
| Edge Wealth Management LLC | 0 | $0 | 0.00% | −10−100.0% | Sold out |