Institutional Holders (2026 Q2)
121 + investorsExplore institutional interest and hedge fund ownership dynamics. Analyze portfolio weights, new positions, and conviction trends in ALDX. Verified SEC 13F-HR filings.
| # | Investor | % of Portfolio | Shares | Mkt Value |
|---|---|---|---|---|
| 1 | Knoll Capital Management, LLC | 6.50% | 5,475,516 | $11.7M |
| 2 | Kingdon Capital Management, L.L.C. | 0.58% | 2,652,315 | $5.6M |
| 3 | Ardsley Advisory Partners LP | 0.22% | 975,000 | $2.1M |
| 4 | 683 Capital Management, LLC | 0.15% | 1,450,000 | $3.1M |
| 5 | AlphaCentric Advisors LLC | 0.07% | 37,656 | $80K |
| 6 | Ardsley Advisory Partners LP | 0.07% | 300,000 | $639K |
| 7 | Woodstock Corp | 0.04% | 242,756 | $517K |
| 8 | Providence Wealth Advisors, LLC | 0.03% | 25,000 | $59K |
| 9 | XTX Topco Ltd | 0.01% | 254,777 | $543K |
| 10 | Activest Wealth Management | 0.01% | 15,000 | $32K |
| 11 | Two Sigma Securities, LLC | 0.01% | 32,818 | $70K |
| 12 | International Assets Investment Management, LLC | 0.01% | 36,750 | $89K |
| 13 | Jacobs Levy Equity Management, Inc | 0.00% | 646,840 | $1.4M |
| 14 | Cantor Fitzgerald, L. P. | 0.00% | 200,000 | $426K |
| 15 | Kennedy Capital Management LLC | 0.00% | 97,726 | $208K |
| 16 | Caitong International Asset Management Co., Ltd | 0.00% | 10,863 | $23K |
| 17 | Aqr Capital Management LLC | 0.00% | 3,751,558 | $8.0M |
| 18 | Inspirion Wealth Advisors, LLC | 0.00% | 10,000 | $24K |
| 19 | Chicago Partners Investment Group LLC | 0.00% | 83,984 | $130K |
| 20 | Renaissance Technologies LLC | 0.00% | 882,000 | $1.9M |
| 21 | Marshall Wace, LLP | 0.00% | 1,506,974 | $3.2M |
| 22 | Qube Research & Technologies Ltd | 0.00% | 1,128,803 | $2.4M |
| 23 | Essential Partners LLC | 0.00% | 2,070 | $4K |
| 24 | Ieq Capital, LLC | 0.00% | 206,593 | $440K |
| 25 | D. E. Shaw & Co., Inc. | 0.00% | 1,940,338 | $4.1M |
| Investor | Ownership History |
% of Portfolio | Prev % | Rank | Conviction | Avg Buy Price | 13F Score™ 3Y / 7Y | Sell Timing | Shares | Mkt Value | Change | Change % | Source | Quarter | Filed |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|