Aldeyra Therapeutics Ownership | Who Owns Aldeyra Therapeutics?
Aldeyra Therapeutics Ownership Summary
Aldeyra Therapeutics is owned by 26.19% institutional investors, 3.13% insiders, and 70.67% retail investors. Perceptive advisors is the largest institutional shareholder, holding 15.59% of ALDX shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 2.97% of its assets in Aldeyra Therapeutics shares.
ALDX Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Aldeyra Therapeutics | 26.19% | 3.13% | 70.67% |
| Sector | Healthcare Stocks | 279.42% | 10.64% | -190.05% |
| Industry | Biotech Stocks | 64.05% | 10.69% | 25.27% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Perceptive advisors | 9.28M | 15.59% | $53.34M |
| Knoll capital management | 5.48M | 9.20% | $31.48M |
| Blackrock funding, inc. /de | 3.79M | 6.37% | $18.91M |
| Vanguard group | 3.76M | 6.31% | $18.75M |
| Blackrock | 3.62M | 6.10% | $11.99M |
| Kennedy capital management | 1.47M | 2.47% | $7.33M |
| Ardsley advisory partners lp | 1.15M | 1.93% | $5.74M |
| Geode capital management | 1.12M | 1.88% | $5.59M |
| State street | 1.03M | 1.74% | $5.16M |
| Eagle asset management | 841.57K | 1.42% | $2.74M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Knoll capital management | 5.48M | 20.48% | $31.48M |
| Perceptive advisors | 9.28M | 1.88% | $53.34M |
| Ardsley advisory partners lp | 1.15M | 0.91% | $5.74M |
| Palo alto investors lp | 225.47K | 0.25% | $1.30M |
| Alphacentric advisors | 46.91K | 0.23% | $234.10K |
| Adar1 capital management | 211.58K | 0.23% | $1.22M |
| Kennedy capital management | 1.47M | 0.16% | $7.33M |
| Pfg investments | 347.75K | 0.11% | $1.74M |
| Providence wealth advisors | 25.00K | 0.10% | $133.13K |
| Woodstock | 194.92K | 0.09% | $972.65K |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Raymond james financial | 727.12K | 0.00% | 727.12K |
| Ardsley advisory partners lp | 1.15M | 0.91% | 650.00K |
| Caption management | 396.49K | 0.02% | 396.49K |
| Blackrock | 3.62M | 0.00% | 311.16K |
| 683 capital management | 290.00K | 0.09% | 290.00K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Invesco | 29.91K | - | -626.60K |
| Adar1 capital management | 211.58K | 0.23% | -436.38K |
| Kennedy capital management | 1.47M | 0.16% | -412.56K |
| Johnson & johnson | - | - | -299.67K |
| Los angeles capital management | - | - | -271.26K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Raymond james financial | 727.12K | 0.00% | 727.12K | $3.63M |
| Caption management | 396.49K | 0.02% | 396.49K | $1.98M |
| 683 capital management | 290.00K | 0.09% | 290.00K | $1.45M |
| Hrt financial lp | 61.89K | 0.00% | 61.89K | $308.00K |
| Alphacentric advisors | 46.91K | 0.23% | 46.91K | $234.10K |
Sold Out
| Holder | Change |
|---|---|
| Nelson, van denburg & campbell wealth management group | -9.00 |
| Ifp advisors | -13.00 |
| Capital performance advisors llp | -17.00 |
| Gamma investing | -25.00 |
| Parallel advisors | -30.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 31, 2025 | 12 | -90.32% | 15,581,741 | -57.99% | 26 | 0.67% | 5 | -91.94% | 3 | -88.00% |
| Dec 31, 2024 | 123 | 5.13% | 31,618,255 | -13.84% | 53 | 1.40% | 62 | 3.33% | 25 | 4.17% |
| Sep 30, 2024 | 117 | 9.35% | 36,698,492 | 3.87% | 61 | 1.74% | 60 | 13.21% | 24 | -22.58% |
| Jun 30, 2024 | 105 | -0.94% | 35,151,111 | -0.76% | 59 | 1.64% | 51 | 10.87% | 31 | -6.06% |
| Mar 31, 2024 | 106 | -2.75% | 35,421,654 | 0.85% | 60 | 1.70% | 46 | - | 33 | -28.26% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 1.78M | 2.97% | - |
| Vanguard US Total Market Shares ETF | 1.76M | 2.95% | - |
| iShares Russell 2000 ETF | 1.33M | 2.23% | -21.57K |
| Vanguard Institutional Extnd Mkt Idx Tr | 700.66K | 1.17% | - |
| Fidelity Small Cap Index | 511.27K | 0.85% | -4.81K |
| iShares Russell 2000 Value ETF | 412.16K | 0.69% | - |
| Invesco Dorsey Wright SmallCap Momt ETF | 406.98K | 0.68% | - |
| iShares Russell 2000 Growth ETF | 402.73K | 0.67% | -1.00K |
| Kennedy Micro Cap | 342.52K | 0.57% | -122.33K |
| Vanguard Explorer Inv | 331.51K | 0.55% | -261.35K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Apr 03, 2025 | PERCEPTIVE ADVISORS LLC | - | Sell | $4.83M |
| Apr 12, 2023 | Miller-Rich Nancy | - | Buy | $5.16K |
| May 03, 2021 | Miller-Rich Nancy | - | Buy | $5.29K |
| Aug 12, 2024 | Machatha Stephen | Chief Development Officer | Sell | $75.97K |
| Aug 12, 2024 | Greenberg Bruce | See Remarks | Sell | $51.31K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q2 | - | 1 |
| 2025 Q1 | - | - |
| 2024 Q3 | - | 2 |
| 2024 Q2 | 5 | - |
| 2024 Q1 | - | 7 |
ALDX Ownership FAQ
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