Phathom Pharmaceuticals Ownership | Who Owns Phathom Pharmaceuticals?
Phathom Pharmaceuticals Ownership Summary
Phathom Pharmaceuticals is owned by 55.68% institutional investors, 4.71% insiders, and 39.61% retail investors. Frazier life sciences management is the largest institutional shareholder, holding 17.20% of PHAT shares. Invesco OFI Global Equity is the top mutual fund, with 2.83% of its assets in Phathom Pharmaceuticals shares.
PHAT Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Phathom Pharmaceuticals | 55.68% | 4.71% | 39.61% |
| Sector | Healthcare Stocks | 232.51% | 10.72% | -143.23% |
| Industry | Biotech Stocks | 384.56% | 10.58% | -295.14% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Frazier life sciences management | 12.47M | 17.20% | $146.73M |
| Medicxi ventures management (jersey) | 7.46M | 10.17% | $123.84M |
| Invesco | 3.86M | 5.33% | $45.49M |
| Blackrock | 2.93M | 5.01% | $30.14M |
| Blackrock funding, inc. /de | 3.56M | 4.84% | $58.99M |
| Carlyle group | 3.50M | 4.83% | $41.05M |
| Vanguard group | 3.18M | 4.33% | $52.71M |
| Ensign peak advisors | 2.35M | 3.20% | $39.02M |
| Nea management company | 1.96M | 2.70% | $23.07M |
| 683 capital management | 1.82M | 2.51% | $21.43M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Medicxi ventures management (jersey) | 7.46M | 14.83% | $123.84M |
| Propel bio management | 740.92K | 10.49% | $12.29M |
| Catalys pacific | 1.43M | 7.63% | $23.71M |
| Frazier life sciences management | 12.47M | 4.40% | $146.73M |
| Catalio capital management, lp | 1.13M | 2.46% | $13.28M |
| Stepstone group lp | 422.08K | 2.34% | $4.97M |
| Ghost tree capital | 600.00K | 1.94% | $6.18M |
| Nea management company | 1.96M | 1.27% | $23.07M |
| 683 capital management | 1.82M | 1.12% | $21.43M |
| Carlyle group | 3.50M | 0.95% | $41.05M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Catalio capital management, lp | 1.13M | 2.46% | 456.23K |
| Summittx capital | 385.97K | 0.19% | 385.97K |
| Ameriprise financial | 554.59K | 0.00% | 373.74K |
| Jane street group | 384.77K | 0.00% | 277.51K |
| Catalys pacific | 1.43M | 7.63% | 261.90K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Jennison associates | - | - | -7.04M |
| Checkpoint capital | - | - | -2.27M |
| Portolan capital management | - | - | -1.70M |
| Orbimed advisors | - | - | -1.45M |
| Tang capital management | - | - | -1.20M |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Summittx capital | 385.97K | 0.19% | 385.97K | $4.54M |
| Newedge advisors | 201.52K | 0.01% | 201.52K | $2.23M |
| Hussman strategic advisors | 147.00K | 0.59% | 147.00K | $2.44M |
| Campbell & co investment adviser | 115.28K | 0.09% | 115.28K | $1.91M |
| Hennion & walsh asset management | 114.98K | 0.07% | 114.98K | $1.91M |
Sold Out
| Holder | Change |
|---|---|
| Nelson, van denburg & campbell wealth management group | -7.00 |
| Sbi securities | -23.00 |
| Capital performance advisors llp | -29.00 |
| Svb wealth | -34.00 |
| Rothschild investment | -35.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Dec 31, 2025 | 101 | -26.28% | 40,864,285 | -34.45% | 55 | 0.75% | 56 | -22.22% | 30 | 7.14% |
| Sep 30, 2025 | 74 | -37.82% | 29,531,937 | -48.16% | 40 | 0.66% | 37 | -40.32% | 18 | -45.45% |
| Jun 30, 2025 | 124 | -11.43% | 57,375,847 | -9.22% | 79 | 1.03% | 63 | -12.50% | 37 | 8.82% |
| Mar 31, 2025 | 142 | -4.05% | 64,025,009 | -3.98% | 88 | 0.84% | 73 | -22.34% | 35 | 34.62% |
| Dec 31, 2024 | 58 | -57.97% | 26,182,383 | -63.96% | 40 | 0.32% | 35 | -58.82% | 11 | -45.00% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Invesco OFI Global Equity | 1.98M | 2.83% | - |
| Invesco Global A | 1.98M | 2.78% | - |
| Jennison Health Sciences Equity | 1.78M | 2.56% | - |
| Vanguard US Total Market Shares ETF | 1.65M | 2.36% | 280.90K |
| Jennison SMid Cap Core Equity | 1.58M | 2.27% | - |
| Vanguard Total Stock Mkt Idx Inv | 1.55M | 2.22% | -34.49K |
| Strategic Advisers U.S. Total Stock{mg} | 1.48M | 2.16% | -273.72K |
| Strategic Advisers Small-Mid Cap | 1.24M | 1.82% | 278.88K |
| PGIM Jennison Small Company A | 1.21M | 1.73% | -373.30K |
| Wasatch Ultra Growth | 1.01M | 1.45% | -458.57K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Nov 03, 2025 | Breedlove Robert Charles | Principal Accounting Officer | Sell | $7.08K |
| Sep 05, 2025 | Breedlove Robert Charles | Principal Accounting Officer | Sell | $5.57K |
| Jul 16, 2025 | Breedlove Robert Charles | Principal Accounting Officer | Sell | $14.15K |
| May 21, 2025 | Topper James N | - | Buy | $14.61K |
| May 14, 2025 | Topper James N | - | Buy | $20.92K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q1 | - | - |
| 2025 Q4 | - | 1 |
| 2025 Q3 | - | 2 |
| 2025 Q2 | 8 | 1 |
| 2025 Q1 | 1 | 3 |
PHAT Ownership FAQ
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