EQ: Equillium, Inc. insider trading, 5% holders and institutional ownership
From public SEC filings: open-market insider purchases and sales (Form 4, last 180 days), holders of 5% or more (Schedules 13D and 13G) and institutional ownership (Form 13F). Insider and 5% data delayed 48 hours.
Insider trading
0 open-market buys totaling - and 0 sales totaling - in the last 180 days.
Activist and 5% holders
| Filed | What | Holder | Stake | Change | Filing |
|---|---|---|---|---|---|
| 2026-08-13 | New 13G stake | Affinity Asset Advisors, LLC | 6.50% | SEC | |
| 2026-08-12 | 13G amendment | Adage Capital Management, L.P. | 7.25% | SEC |
Institutional ownership (Q2 2026)
60 institutions reported holding $133.27M of Equillium, Inc. on Form 13F (50 the quarter before). 18 opened a new position and 8 sold out. Shares held by institutions: +3%.
| Largest holders | Shares | Value |
|---|---|---|
| Jupiter Topco LLC | 6,494,571 | $20.69M |
| Decheng Capital LLC | 4,447,308 | $14.23M |
| Affinity Asset Advisors, LLC | 4,100,000 | $13.12M |
| ADAR1 Capital Management, LLC | 3,758,569 | $12.03M |
| Aberdeen Group plc | 3,631,659 | $11.62M |
| Woodline Partners LP | 3,500,901 | $11.20M |
| RA CAPITAL MANAGEMENT, L.P. | 3,096,336 | $9.91M |
| STEMPOINT CAPITAL LP | 2,016,607 | $6.45M |
| VANGUARD CAPITAL MANAGEMENT LLC | 1,822,812 | $5.83M |
| Eversept Partners, LP | 1,520,824 | $4.87M |
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