AnaptysBio, Inc. ANAB
46.28 USD -1.23 (-2.59%)
Nov 5, 2026, 11:19 AM EST
45.63 Day range 47.74
20.18 52-week range 72.36
- YTD
- +43.19%
- 1 year
- +92.83%
Held by funds
111 US ETFs and mutual funds hold ANAB · largest positions
Ownership
Held by insiders 5.63%
Held by institutions 105.94%
Float held by institutions 112.26%
Institutions 302
Top institutional holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| EcoR1 Capital, LLC | 26.36% | 7,880,094 | 374.38M | Jun 29, 2026 |
| Blackrock Inc. | 6.17% | 1,844,049 | 87.61M | Jun 29, 2026 |
| Tang Capital Management, LLC | 4.45% | 1,330,879 | 63.23M | Jun 29, 2026 |
| State Street Corporation | 4.30% | 1,286,194 | 61.11M | Jun 29, 2026 |
| Vanguard Capital Management LLC | 3.03% | 906,233 | 43.06M | Jun 29, 2026 |
| Affinity Asset Advisors, Llc | 2.76% | 826,109 | 39.25M | Jun 29, 2026 |
Top mutual fund holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund | 2.17% | 648,146 | 30.79M | Jun 29, 2026 |
| SPDR SERIES TRUST-State Street SPDR S&P Biotech ETF | 2.14% | 640,363 | 30.42M | Sep 29, 2026 |
| iShares Trust-iShares Russell 2000 ETF | 1.75% | 522,209 | 24.81M | Sep 29, 2026 |
| TIAA-CREF Funds-Nuveen Quant Small Cap Equity Fund | 0.88% | 263,840 | 12.54M | Jul 30, 2026 |
| VANGUARD INDEX FUNDS-Vanguard Extended Market Index Fund | 0.79% | 237,032 | 11.26M | Jun 29, 2026 |
| iShares Trust-iShares Biotechnology ETF | 0.72% | 215,697 | 10.25M | Sep 29, 2026 |
Insiders
| Insider | Relation | Latest transaction | Date | Shares held |
|---|---|---|---|---|
| ECOR1 CAPITAL, L.L.C. | Beneficial Owner of more than 10% of a Class of Security | Purchase | Jan 1, 2025 | 0 |
| FAGA DANIEL R | Chief Executive Officer | Sale | Mar 26, 2026 | 495,965 |
| JAIN RITA | Director | Conversion of Exercise of derivative security | Jun 12, 2025 | 11,864 |
| LIZZUL PAUL F. | Officer | Sale | Jan 7, 2026 | 42,088 |
| LOUMEAU ERIC JOSEPH | Officer | Sale | Feb 10, 2026 | 12,835 |
| MARQUET MAGDA | Director | Sale | Jan 14, 2026 | 9,930 |