PHATHOM PHARMACEUTICALS INC PHAT
$11.20
+6.3% 52w: $7.83 – $18.08
Latest 13F among current holders filed 32 days ago (Jun 3, 2026)
Price — last 12 months
research preview data7.8312.9518.08
Jun 20, 2025 Jul 2, 2026
Institutional holders
174
+1 QoQ
13F value
$768.3M
-25.1% QoQ
Smart-money holders
16
signal tier ≥ 2
New smart buyers
4
Q1 2026
Options barometer
20.5×
$14.6M calls / $713K puts
Institutional value by quarter
Number of holders
Who owns PHAT?
Q1 2026 filings| Fund | Type | Shares | Value | % of fund | Change |
|---|---|---|---|---|---|
| Frazier Life Sciences Management, L.P. ★3 | Fundamental concentrated | 12.5M | $138.5M | 3.6% | Held |
| Medicxi Ventures Management (Jersey) Ltd ★2 | Fundamental diversified | 7.5M | $82.9M | 8.4% | Held |
| Invesco Ltd. | Index provider | 4.3M | $48.0M | 0.0% | +10.2% |
| BlackRock, Inc. | Index provider | 4.1M | $45.1M | 0.0% | +14.2% |
| MILLENNIUM MANAGEMENT LLC | Multistrat pod | 4.0M | $44.7M | 0.0% | +93.2% |
| Carlyle Group Inc. ★3 | Fundamental concentrated | 3.5M | $38.8M | 0.4% | Held |
| VANGUARD CAPITAL MANAGEMENT LLC | Diversified mechanical | 2.6M | $28.7M | 0.0% | — |
| NEA Management Company, LLC ★3 | Fundamental concentrated | 2.0M | $21.8M | 1.2% | Held |
| 683 Capital Management, LLC ★2 | Fundamental diversified | 1.9M | $20.6M | 2.0% | +3.6% |
| Ensign Peak Advisors, Inc | Diversified mechanical | 1.6M | $18.1M | 0.0% | -30.8% |
| Catalys Pacific, LLC ★2 | Fundamental diversified | 1.5M | $16.6M | 7.2% | +4.5% |
| GW&K Investment Management, LLC | Other | 1.4M | $15.8M | 0.1% | +8.8% |
| STATE STREET CORP | Index provider | 1.4M | $15.4M | 0.0% | +20.6% |
| WASATCH ADVISORS LP | Other | 1.3M | $14.9M | 0.1% | +0.7% |
| GEODE CAPITAL MANAGEMENT, LLC | Index provider | 1.3M | $14.8M | 0.0% | +23.7% |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | Diversified mechanical | 1.2M | $13.4M | 0.0% | New |
| SummitTX Capital, L.P. | Quant stat arb | 995.9K | $11.1M | 0.4% | +92.3% |
| FRANKLIN RESOURCES INC | Long only active | 994.5K | $11.0M | 0.0% | New |
| PERCEPTIVE ADVISORS LLC ★2 | Fundamental diversified | 925.0K | $10.3M | 0.2% | New |
| MARSHALL WACE, LLP | Quant stat arb | 860.7K | $9.6M | 0.0% | New |
| Propel Bio Management, LLC ★2 | Fundamental concentrated | 841.3K | $9.4M | 5.9% | +13.5% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Diversified mechanical | 666.0K | $7.4M | 0.0% | — |
| GOLDMAN SACHS GROUP INC | Bank broker | 626.2K | $7.0M | 0.0% | +59.7% |
| EcoR1 Capital, LLC ★2 | Fundamental concentrated | 625.0K | $6.9M | 0.3% | New |
| Avidity Partners Management LP ★2 | Fundamental diversified | 498.8K | $5.6M | 0.6% | +142.0% |
| TWO SIGMA INVESTMENTS, LP | Quant stat arb | 482.1K | $5.4M | 0.0% | +734.4% |
| StepStone Group LP ★2 | Fundamental concentrated | 422.1K | $4.7M | 2.3% | Held |
| NORTHERN TRUST CORP | Index provider | 415.0K | $4.6M | 0.0% | +16.4% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | Index provider | 409.0K | $4.5M | 0.0% | +2.8% |
| CITADEL ADVISORS LLC | Multistrat pod | 383.1K | $4.3M | 0.0% | +23.0% |
| Woodline Partners LP | Other | 369.1K | $4.1M | 0.0% | +97.0% |
| UBS Group AG | Bank broker | 360.4K | $4.0M | 0.0% | +18.4% |
| VANGUARD FIDUCIARY TRUST CO | Diversified mechanical | 338.7K | $3.8M | 0.0% | — |
| RENAISSANCE TECHNOLOGIES LLC | Quant stat arb | 305.8K | $3.4M | 0.0% | New |
| Trexquant Investment LP | Diversified mechanical | 293.3K | $3.3M | 0.0% | +114.4% |
| Squarepoint Ops LLC | Quant stat arb | 275.2K | $3.1M | 0.0% | New |
| JPMORGAN CHASE & CO | Bank broker | 287.4K | $3.0M | 0.0% | -3.1% |
| Susquehanna Portfolio Strategies, LLC | Market maker | 268.0K | $3.0M | 0.0% | Held |
| Simplify Asset Management Inc. | Wealth advisor | 262.4K | $2.9M | 0.0% | -18.5% |
| AMERIPRISE FINANCIAL INC | Bank broker | 254.2K | $2.8M | 0.0% | +36.9% |
| Catalio Capital Management, LP ★2 | Fundamental concentrated | 247.8K | $2.8M | 0.6% | -64.6% |
| BANK OF AMERICA CORP /DE/ | Bank broker | 208.1K | $2.3M | 0.0% | -19.6% |
| Birchview Capital, LP ★2 | Fundamental diversified | 195.0K | $2.2M | 1.2% | Held |
| NewEdge Advisors, LLC | Diversified mechanical | 183.0K | $2.0M | 0.0% | -8.9% |
| XTX Topco Ltd | Market maker | 160.5K | $1.8M | 0.0% | +307.4% |
| Hennion & Walsh Asset Management, Inc. | Other | 145.9K | $1.6M | 0.1% | +26.9% |
| GILDER GAGNON HOWE & CO LLC | Other | 139.9K | $1.6M | 0.0% | -3.6% |
| D. E. Shaw & Co., Inc. | Quant stat arb | 132.5K | $1.5M | 0.0% | -49.3% |
| Bank of New York Mellon Corp | Diversified mechanical | 124.0K | $1.4M | 0.0% | +0.9% |
| Nuveen, LLC | Diversified mechanical | 117.3K | $1.3M | 0.0% | +7.8% |
Exits are not a bearish signal: our backtest shows stocks specialists exit keep outperforming for 3+ quarters — selling usually means profit-taking, not a forecast.
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