Ecor1 Capital, Llc
Institutional manager — quarterly 13F holdings, Q ending 2026-03-31
Reported value
$2.36B
Q ending 2026-03-31
Prior quarter
$2.20B
Q ending 2025-12-31
Change
+6.9% QoQ · +39.8% YoY
Positions
30
reported holdings
Largest positions
All 30 reported positions, Q ending 2026-03-31. A manager can hold shares, calls and puts on the same security at once — such positions are listed as separate rows. Type: Shares = common stock, Put/Call = option positions (valued at the underlying), Principal = debt. Tickers link to stock pages where covered.
| Holding | Ticker | Type | Value ▼ | Shares |
|---|---|---|---|---|
| Zymeworks Inc | ZYME | Shares | $575.2M | 23.0M |
| Anaptysbio Inc | ANAB | Shares | $437.0M | 7.9M |
| Jazz Pharmaceuticals Plc | Shares | $322.6M | 1.7M | |
| Centessa Pharmaceuticals Plc | 260 | Shares | $238.3M | 6.0M |
| Crinetics Pharmaceuticals In | CRNX | Shares | $155.7M | 4.3M |
| Aktis Oncology Inc | AKTS | Shares | $86.3M | 4.8M |
| Oric Pharmaceuticals Inc | ORIC | Shares | $85.2M | 6.7M |
| Cg Oncology Inc | CGON | Shares | $74.6M | 1.1M |
| Crispr Therapeutics Ag | Shares | $66.1M | 1.4M | |
| Eton Pharmaceuticals Inc | ETON | Shares | $53.6M | 2.2M |
| Galapagos Nv | LKFT | Shares | $50.0M | 1.7M |
| Xencor Inc | XNCR | Shares | $26.3M | 2.2M |
| Neurogene Inc | NGNE | Shares | $25.6M | 1.3M |
| Bridgebio Oncology Therapeut | BBOT | Shares | $25.3M | 2.8M |
| Mbx Biosciences Inc | MBX | Shares | $23.2M | 777K |
| Relay Therapeutics Inc | RLAY | Shares | $19.0M | 1.9M |
| Centessa Pharmaceuticals Plc | 260 | Call | $16.3M | 411K |
| Zenas Biopharma Inc | ZBIO | Shares | $15.4M | 790K |
| Erasca Inc | ERAS | Shares | $14.6M | 900K |
| Eikon Therapeutics Inc | EIKN | Shares | $7.8M | 733K |
| Replimune Group Inc | REPL | Shares | $7.7M | 1.0M |
| Zura Bio Ltd | Shares | $7.0M | 1.2M | |
| Phathom Pharmaceuticals Inc | PHAT | Shares | $6.9M | 625K |
| Mereo Biopharma Group Plc | MREO | Shares | $4.4M | 13.4M |
| Stoke Therapeutics Inc | STOK | Shares | $3.3M | 100K |
| Prelude Therapeutics Inc | PRLD | Shares | $3.2M | 947K |
| Ibio Inc | IBIO | Shares | $3.0M | 1.6M |
| Helix Acquisition Corp Iii Usd | Shares | $2.0M | 200K | |
| Atara Biotherapeutics Inc | ATRA | Shares | $471K | 100K |
| Surrozen Inc | SRZNW | Shares | $129K | 4K |
Values as reported in public regulatory filings (USD); holdings are reported quarterly, up to 45 days after quarter end, and may contain reporting errors. Nothing here is investment advice.