Institutional Ownership
Phathom Pharmaceuticals Inc
CUSIP 71722W107COMPHATQ1 2026
Institutional Holders
167
13F filers
Shares Held
65.22M
Aggregate institutional
Institutional Value
$704.05M
Q1 2026
Net New Holders
-4
31 new · 35 closed
Institutional Ownership Trend
Aggregate 13F value by quarter
Multi-quarter trend — upgrade to see history
UpgradePosition Activity
Q1 2026
New positions31
Increased75
Decreased39
Sold out35
Institutional Holders
167 funds hold this security · Q1 2026
| # | Fund | Shares | Value | Δ Shares | Activity |
|---|---|---|---|---|---|
| 1 | Frazier Life Sciences Management, L.P. | 12.47M | $138.50M | 0 | Held |
| 2 | Medicxi Ventures Management (Jersey) Ltd | 7.46M | $82.93M | 0 | Held |
| 3 | Invesco Ltd. | 4.32M | $48.02M | +401.6K | Added |
| 4 | Blackrock, Inc. | 4.06M | $45.13M | +506.4K | Added |
| 5 | Millennium Management LLC | 4.02M | $44.69M | +1.94M | Added |
| 6 | Carlyle Group Inc. | 3.50M | $38.85M | 0 | Held |
| 7 | Nea Management Company, LLC | 1.96M | $21.78M | 0 | Held |
| 8 | 683 Capital Management, LLC | 1.85M | $20.55M | +65.0K | Added |
| 9 | Ensign Peak Advisors, Inc | 1.63M | $18.08M | −724.2K | Reduced |
| 10 | Catalys Pacific, LLC | 1.49M | $16.60M | +64.8K | Added |
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