ANAPTYSBIO, INC
Total Trades
71
Buys
2
Sells
40
Largest Trade
N/A
Insiders
9
Institutional Funds
132
Inst. Value
$1M+
Activist Filings
39
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| LOUMEAU ERIC J | CHIEF LEGAL OFFICER | EXERCISE | $100K–$500K | 10K | $29.70 | Feb 13, 2026 |
| LOUMEAU ERIC J | CHIEF LEGAL OFFICER | SELL | $500K+ | 10K | $54.00 | Feb 13, 2026 |
| Marquet Magda | Director | EXERCISE | $100K–$500K | 11K | $26.11 | Jan 16, 2026 |
| Marquet Magda | Director | SELL | $500K+ | 11K | $48.23 | Jan 16, 2026 |
| Lizzul Paul F. | Chief Medical Offi… | EXERCISE | N/A | 9K | — | Jan 10, 2026 |
| Lizzul Paul F. | Chief Medical Offi… | SELL | $100K–$500K | 4K | $44.71 | Jan 10, 2026 |
| MULROY DENNIS | CHIEF FINANCIAL OF… | EXERCISE | N/A | 7K | — | Jan 10, 2026 |
| MULROY DENNIS | CHIEF FINANCIAL OF… | SELL | $100K–$500K | 3K | $44.71 | Jan 10, 2026 |
| LOUMEAU ERIC J | CHIEF LEGAL OFFICER | EXERCISE | N/A | 6K | — | Jan 10, 2026 |
| LOUMEAU ERIC J | CHIEF LEGAL OFFICER | SELL | $50K–$100K | 2K | $44.71 | Jan 10, 2026 |
| Faga Daniel | President, CEO | EXERCISE | N/A | 27K | — | Jan 10, 2026 |
| Faga Daniel | President, CEO | SELL | $500K+ | 14K | $44.71 | Jan 10, 2026 |
| LOUMEAU ERIC J | CHIEF LEGAL OFFICER | EXERCISE | N/A | 6K | — | Jan 8, 2026 |
| LOUMEAU ERIC J | CHIEF LEGAL OFFICER | SELL | $100K–$500K | 10K | $45.56 | Jan 8, 2026 |
| Lizzul Paul F. | Chief Medical Offi… | SELL | $100K–$500K | 2K | $45.11 | Jan 8, 2026 |
| Lizzul Paul F. | Chief Medical Offi… | EXERCISE | N/A | 6K | — | Jan 8, 2026 |
| Faga Daniel | President, CEO | SELL | $100K–$500K | 9K | $45.11 | Jan 8, 2026 |
| Faga Daniel | President, CEO | EXERCISE | N/A | 18K | — | Jan 8, 2026 |
| MULROY DENNIS | CHIEF FINANCIAL OF… | SELL | $50K–$100K | 2K | $45.11 | Jan 8, 2026 |
| MULROY DENNIS | CHIEF FINANCIAL OF… | EXERCISE | N/A | 5K | — | Jan 8, 2026 |
| Faga Daniel | President, CEO | SELL | $500K+ | 15K | $43.26 | Jan 7, 2026 |
| Faga Daniel | President, CEO | EXERCISE | N/A | 35K | — | Jan 7, 2026 |
| MULROY DENNIS | CHIEF FINANCIAL OF… | SELL | $100K–$500K | 3K | $43.26 | Jan 7, 2026 |
| MULROY DENNIS | CHIEF FINANCIAL OF… | EXERCISE | N/A | 8K | — | Jan 7, 2026 |
| Lizzul Paul F. | Chief Medical Offi… | SELL | $100K–$500K | 4K | $43.26 | Jan 7, 2026 |
| Lizzul Paul F. | Chief Medical Offi… | EXERCISE | N/A | 11K | — | Jan 7, 2026 |
| LOUMEAU ERIC J | CHIEF LEGAL OFFICER | SELL | $100K–$500K | 3K | $43.26 | Jan 7, 2026 |
| LOUMEAU ERIC J | CHIEF LEGAL OFFICER | EXERCISE | N/A | 7K | — | Jan 7, 2026 |
| Ware J. Anthony | Director | SELL | $100K–$500K | 4K | $49.58 | Dec 23, 2025 |
| Lizzul Paul F. | Chief Medical Offi… | SELL | $50K–$100K | 2K | $50.00 | Dec 23, 2025 |
| Lizzul Paul F. | Chief Medical Offi… | EXERCISE | $15K–$50K | 2K | $18.50 | Dec 23, 2025 |
| MULROY DENNIS | CHIEF FINANCIAL OF… | EXERCISE | $100K–$500K | 10K | $20.16 | Dec 23, 2025 |
| MULROY DENNIS | CHIEF FINANCIAL OF… | SELL | $500K+ | 10K | $50.00 | Dec 23, 2025 |
| LOUMEAU ERIC J | CHIEF LEGAL OFFICER | EXERCISE | $100K–$500K | 10K | $14.02 | Dec 23, 2025 |
| LOUMEAU ERIC J | CHIEF LEGAL OFFICER | SELL | $500K+ | 10K | $51.00 | Dec 23, 2025 |
| LOUMEAU ERIC J | CHIEF LEGAL OFFICER | EXERCISE | $100K–$500K | 23K | $16.07 | Dec 18, 2025 |
| LOUMEAU ERIC J | CHIEF LEGAL OFFICER | SELL | $1M+ | 23K | $45.38 | Dec 18, 2025 |
| MULROY DENNIS | CHIEF FINANCIAL OF… | SELL | $500K+ | 16K | $44.85 | Dec 18, 2025 |
| MULROY DENNIS | CHIEF FINANCIAL OF… | EXERCISE | $100K–$500K | 10K | $20.16 | Dec 18, 2025 |
| LOUMEAU ERIC J | CHIEF LEGAL OFFICER | EXERCISE | $50K–$100K | 5K | $14.02 | Oct 1, 2025 |
| LOUMEAU ERIC J | CHIEF LEGAL OFFICER | SELL | $100K–$500K | 8K | $29.00 | Oct 1, 2025 |
| RENTON HOLLINGS | Director | SELL | $100K–$500K | 21K | $23.57 | Jul 3, 2025 |
| RENTON HOLLINGS | Director | EXERCISE | $100K–$500K | 21K | $6.93 | Jul 3, 2025 |
| FENTON DENNIS M | Director | SELL | $50K–$100K | 3K | $23.97 | Jun 20, 2025 |
| RENTON HOLLINGS | Director | SELL | $50K–$100K | 3K | $23.97 | Jun 20, 2025 |
| EcoR1 Capital, LLC | Director | BUY | $1M+ | 85K | $12.92 | Jan 2, 2025 |
| RENTON HOLLINGS | Director | EXERCISE | $50K–$100K | 10K | $6.93 | Dec 3, 2024 |
| RENTON HOLLINGS | Director | SELL | $100K–$500K | 10K | $25.00 | Dec 3, 2024 |
| Lizzul Paul F. | Chief Medical Offi… | SELL | $50K–$100K | 2K | $38.67 | Sep 24, 2024 |
| Lizzul Paul F. | Chief Medical Offi… | EXERCISE | $15K–$50K | 2K | $18.50 | Sep 24, 2024 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 132 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| Point72 Asset Management, L.P. | 1.9M | $1M+ | SH |
| TANG CAPITAL MANAGEMENT LLC | 1.3M | $1M+ | SH |
| STATE STREET CORP | 1.1M | $1M+ | SH |
| Sanofi | 822K | $1M+ | SH |
| Palo Alto Investors LP | 690K | $1M+ | SH |
| First Light Asset Management, LLC | 646K | $1M+ | SH |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 560K | $1M+ | SH |
| Affinity Asset Advisors, LLC | 445K | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 408K | $1M+ | SH |
| FEDERATED HERMES, INC. | 290K | $1M+ | SH |
| Sofinnova Investments, Inc. | 288K | $1M+ | SH |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC | 229K | $1M+ | SH |
| Ensign Peak Advisors, Inc | 215K | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 199K | $1M+ | SH |
| BNP PARIBAS FINANCIAL MARKETS | 165K | $1M+ | SH |
| Squarepoint Ops LLC | 161K | $1M+ | SH |
| Soleus Capital Management, L.P. | 135K | $1M+ | SH |
| VANGUARD GROUP INC | 133K | $1M+ | SH |
| GOLDMAN SACHS GROUP INC | 126K | $1M+ | SH |
| Connor, Clark & Lunn Investment Management Ltd. | 122K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G/A · Feb 11, 2026
3.6%
1.0M shares
SC 13G/A · Jan 16, 2026
2.9%
814K shares
First Light Asset Management, LLC
SC 13G/A · Nov 14, 2025
2.8%
771K shares
SC 13G/A · Nov 12, 2025
4.5%
1.3M shares
SC 13G · Sep 23, 2025
5.1%
1.4M shares
First Light Asset Management, LLC
SC 13G/A · Aug 7, 2025
7.3%
2.1M shares
SC 13G · Aug 5, 2025
6.3%
1.8M shares
SC 13G · Jul 29, 2025
5.2%
1.5M shares
SC 13G/A · Jun 6, 2025
0.9%
254K shares
Point72 Asset Management, L.P.
SC 13G/A · May 15, 2025
7.7%
2.4M shares
SC 13G · May 12, 2025
5.2%
1.6M shares
SC 13G/A · May 12, 2025
6.2%
1.9M shares
SC 13G/A · Apr 30, 2025
4.9%
1.5M shares
SC 13G/A · Apr 17, 2025
6.2%
1.9M shares
First Light Asset Management, LLC
SC 13G · Mar 7, 2025
15.2%
4.7M shares
Point72 Asset Management, L.P.
SC 13G · Feb 18, 2025
5.6%
1.7M shares
Fairmount Funds Management LLC
SC 13G/A · Feb 14, 2025
0.0%
0 shares
Frazier Life Sciences Public Fund, L.P.
SC 13G/A · Feb 14, 2025
0.5%
0 shares
Frazier Life Sciences Public Fund, L.P.
SC 13G/A · Feb 14, 2025
2.0%
0 shares
SC 13G/A · Feb 5, 2025
8.4%
2.5M shares
Fairmount Funds Management LLC
SC 13G · Dec 18, 2024
5.5%
1.7M shares
SC 13G/A · Nov 14, 2024
4.4%
1.3M shares
SC 13G/A · Nov 14, 2024
0.0%
0 shares
SC 13D/A · Aug 16, 2024
25.8%
7.8M shares
SC 13G · Jul 10, 2024
10.5%
2.9M shares
Frazier Life Sciences Public Fund, L.P. 2.
SC 13G · May 6, 2024
2.2%
612K shares
SC 13G/A · Feb 14, 2024
7.3%
2.0M shares
Point72 Asset Management, L.P.
SC 13G/A · Feb 14, 2024
3.0%
789K shares
SC 13G/A · Feb 14, 2024
7.7%
2.0M shares
The Vanguard Group - 23-1945930
SC 13G/A · Feb 13, 2024
5.2%
1.4M shares
SC 13G/A · Jan 26, 2024
6.8%
1.8M shares
SC 13G · Oct 2, 2023
5.1%
1.4M shares
SC 13G/A · Feb 10, 2023
4.1%
1.2M shares
SC 13G/A · Feb 1, 2023
8.3%
2.4M shares
SC 13G/A · Jan 31, 2023
6.5%
1.9M shares
SC 13G · Aug 15, 2022
5.2%
1.5M shares
(entities only Federated Hermes, Inc.
SC 13G/A · May 10, 2022
4.7%
1.3M shares
SC 13G/A · Feb 15, 2022
0.0%
0 shares
(entities only Federated Hermes, Inc.
SC 13G · Feb 14, 2022
5.8%
1.6M shares