Phathom Pharmaceuticals, Inc.
Total Trades
42
Buys
16
Sells
24
Largest Trade
N/A
Insiders
8
Institutional Funds
124
Inst. Value
$1M+
Activist Filings
40
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Breedlove Robert Charles | Principal Accounti… | SELL | $1K–$15K | 524 | $13.51 | Nov 5, 2025 |
| Breedlove Robert Charles | Principal Accounti… | SELL | $1K–$15K | 461 | $12.09 | Sep 9, 2025 |
| Breedlove Robert Charles | Principal Accounti… | SELL | $1K–$15K | 2K | $8.36 | Jul 18, 2025 |
| Topper James N | Director | BUY | $1K–$15K | 4K | $3.86 | May 23, 2025 |
| Topper James N | Director | BUY | $15K–$50K | 7K | $3.30 | May 15, 2025 |
| Topper James N | Director | BUY | $100K–$500K | 48K | $3.17 | May 13, 2025 |
| Parikh Asit | Director | BUY | $15K–$50K | 10K | $2.50 | May 8, 2025 |
| Henderson Molly | CFO and CBO | SELL | $15K–$50K | 4K | $4.55 | Apr 8, 2025 |
| Parikh Asit | Director | BUY | $15K–$50K | 10K | $4.42 | Mar 17, 2025 |
| Henderson Molly | CFO and CBO | SELL | $15K–$50K | 7K | $6.59 | Jan 23, 2025 |
| Nabulsi Azmi | COO | SELL | $50K–$100K | 8K | $6.59 | Jan 23, 2025 |
| Curran Terrie | President and Chie… | SELL | $100K–$500K | 19K | $6.59 | Jan 23, 2025 |
| Nabulsi Azmi | COO | SELL | $1K–$15K | 1K | $8.00 | Dec 20, 2024 |
| Henderson Molly | CFO and CBO | SELL | $1K–$15K | 1K | $8.00 | Dec 20, 2024 |
| Henderson Molly | CFO and CBO | SELL | $15K–$50K | 3K | $11.10 | Apr 10, 2024 |
| Curran Terrie | President and Chie… | SELL | $100K–$500K | 17K | $9.11 | Mar 26, 2024 |
| TAKEDA PHARMACEUTICAL CO LTD | 10% Owner | SELL | $1M+ | 3.7M | $8.10 | Jan 25, 2024 |
| Henderson Molly | CFO and CBO | SELL | $15K–$50K | 6K | $7.75 | Jan 23, 2024 |
| Henderson Molly | CFO and CBO | SELL | $15K–$50K | 2K | $7.24 | Nov 21, 2023 |
| Parikh Asit | Director | BUY | $50K–$100K | 8K | $7.81 | Nov 9, 2023 |
| Henderson Molly | CFO and CBO | SELL | $100K–$500K | 12K | $8.88 | Nov 3, 2023 |
| Henderson Molly | CFO and CBO | GRANT | N/A | 23K | — | Nov 3, 2023 |
| Henderson Molly | CFO and CBO | SELL | $15K–$50K | 2K | $11.41 | Jun 5, 2023 |
| Henderson Molly | CFO and CBO | SELL | $15K–$50K | 2K | $12.87 | May 23, 2023 |
| Parikh Asit | Director | BUY | $1K–$15K | 1K | $7.55 | Apr 11, 2023 |
| Nabulsi Azmi | COO | BUY | $50K–$100K | 10K | $8.26 | Apr 11, 2023 |
| Curran Terrie | President and Chie… | BUY | $100K–$500K | 13K | $7.82 | Apr 7, 2023 |
| Henderson Molly | CFO and CBO | SELL | $15K–$50K | 3K | $7.27 | Apr 7, 2023 |
| Henderson Molly | CFO and CBO | SELL | $15K–$50K | 2K | $8.53 | Mar 4, 2023 |
| Curran Terrie | President and Chie… | SELL | $1K–$15K | 1K | $8.54 | Mar 3, 2023 |
| Parikh Asit | Director | BUY | $15K–$50K | 5K | $7.73 | Feb 14, 2023 |
| Curran Terrie | President and Chie… | SELL | $15K–$50K | 6K | $8.20 | Jan 21, 2023 |
| Curran Terrie | President and Chie… | GRANT | N/A | 98K | — | Jan 21, 2023 |
| Parikh Asit | Director | BUY | $15K–$50K | 5K | $7.00 | Jan 12, 2023 |
| Henderson Molly | CFO and CBO | SELL | $15K–$50K | 2K | $9.60 | Nov 23, 2022 |
| Curran Terrie | President and Chie… | SELL | $1K–$15K | 2K | $9.60 | Nov 23, 2022 |
| Nabulsi Azmi | COO | BUY | $100K–$500K | 20K | $8.16 | May 17, 2022 |
| Curran Terrie | President and Chie… | BUY | $100K–$500K | 21K | $7.41 | May 17, 2022 |
| Henderson Molly | CFO and CBO | BUY | N/A | 6K | — | May 17, 2022 |
| Parikh Asit | Director | BUY | $100K–$500K | 13K | $8.00 | May 17, 2022 |
| TAKEDA PHARMACEUTICAL CO LTD | 10% Owner | SELL | <$1K | 18 | $19.00 | Mar 17, 2022 |
| COLA MICHAEL F | Director | BUY | $100K–$500K | 10K | $19.00 | Feb 19, 2022 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 124 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| Frazier Life Sciences Management, L.P. | 12.5M | $1M+ | SH |
| Medicxi Ventures Management (Jersey) Ltd | 7.5M | $1M+ | SH |
| Carlyle Group Inc. | 3.5M | $1M+ | SH |
| Ensign Peak Advisors, Inc | 2.4M | $1M+ | SH |
| NEA Management Company, LLC | 2.0M | $1M+ | SH |
| Catalys Pacific, LLC | 1.4M | $1M+ | SH |
| WASATCH ADVISORS LP | 1.3M | $1M+ | SH |
| GW&K Investment Management, LLC | 1.3M | $1M+ | SH |
| STATE STREET CORP | 1.1M | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 933K | $1M+ | SH |
| Propel Bio Management, LLC | 741K | $1M+ | SH |
| MOORE CAPITAL MANAGEMENT, LP | 600K | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 398K | $1M+ | SH |
| NEXT CENTURY GROWTH INVESTORS LLC | 394K | $1M+ | SH |
| Simplify Asset Management Inc. | 322K | $1M+ | SH |
| VANGUARD GROUP INC | 300K | $1M+ | SH |
| Brevan Howard Capital Management LP | 234K | $1M+ | SH |
| BALYASNY ASSET MANAGEMENT L.P. | 207K | $1M+ | SH |
| Avidity Partners Management LP | 206K | $1M+ | SH |
| Birchview Capital, LP | 195K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
Integrated Core Strategies (US) LLC
SC 13G/A · Jan 27, 2026
1.6%
1.3M shares
Frazier Life Sciences Public Fund, L.P.
SC 13D/A · Nov 4, 2025
7.5%
5.3M shares
Integrated Core Strategies (US) LLC
SC 13G/A · Nov 3, 2025
5.8%
4.1M shares
SC 13G/A · Aug 28, 2025
4.9%
3.5M shares
Integrated Core Strategies (US) LLC
SC 13G/A · Aug 25, 2025
5.1%
3.6M shares
Frazier Life Sciences Public Fund, L.P.
SC 13D/A · Aug 20, 2025
6.0%
4.2M shares
SC 13G · Aug 13, 2025
5.3%
3.8M shares
SC 13G/A · Jun 9, 2025
0.0%
0 shares
SC 13G/A · Jun 6, 2025
0.0%
3K shares
SC 13G/A · Jun 4, 2025
0.0%
0 shares
Frazier Life Sciences Public Fund, L.P.
SC 13D/A · May 13, 2025
8.0%
5.7M shares
SC 13G/A · Apr 24, 2025
4.6%
3.2M shares
SC 13G · Nov 12, 2024
5.2%
3.1M shares
SC 13G/A · Nov 5, 2024
11.0%
7.4M shares
SC 13G · Nov 5, 2024
9.3%
6.3M shares
Jennison Associates LLC IRS Identification #52-2069785 (formerly 13-2631108)
SC 13G · Nov 4, 2024
10.4%
7.0M shares
SC 13G · Oct 21, 2024
5.2%
3.1M shares
Frazier Life Sciences IX, L.P. 2.
SC 13D/A · Aug 22, 2024
8.5%
5.8M shares
Frazier Life Sciences IX, L.P. 2.
SC 13D/A · Jun 6, 2024
10.0%
5.8M shares
Takeda Pharmaceutical Company Limited
SC 13D/A · Apr 10, 2024
4.8%
2.8M shares
Takeda Pharmaceutical Company Limited
SC 13D/A · Apr 1, 2024
5.4%
3.2M shares
SC 13G/A · Feb 12, 2024
6.1%
3.5M shares
SC 13G/A · Jan 26, 2024
6.4%
3.7M shares
Takeda Pharmaceutical Company Limited
SC 13D/A · Jan 25, 2024
6.6%
3.8M shares
Frazier Life Sciences IX, L.P .
SC 13D/A · May 26, 2023
10.7%
5.8M shares
Frazier Life Sciences IX, L.P.
SC 13D/A · May 5, 2023
13.4%
5.8M shares
SC 13G · Mar 9, 2023
6.7%
2.9M shares
Avidity Partners Management LP
SC 13G/A · Feb 14, 2023
4.6%
1.9M shares
SC 13G/A · Feb 10, 2023
0.0%
0 shares
SC 13G/A · Feb 2, 2023
5.3%
2.2M shares
SC 13G/A · Jan 31, 2023
5.8%
2.4M shares
Frazier Life Sciences IX, L.P.
SC 13D/A · Sep 26, 2022
14.9%
5.8M shares
SC 13G · Sep 23, 2022
5.8%
2.4M shares
Frazier Life Sciences IX, L.P.
SC 13D/A · Aug 11, 2022
14.9%
5.8M shares
SC 13G/A · May 16, 2022
0.0%
0 shares
SC 13G/A · Feb 14, 2022
9.9%
3.1M shares
Avidity Partners Management LP
SC 13G · Feb 11, 2022
6.0%
1.9M shares
Janus Henderson Group plc EIN #00-0000000
SC 13G/A · Feb 10, 2022
5.9%
1.8M shares
SC 13G/A · Feb 10, 2022
0.0%
0 shares
SC 13G/A · Feb 10, 2022
6.6%
2.1M shares