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Phathom Pharmaceuticals
PHAT
PHAT
174 hedge funds and large institutions have $768M invested in Phathom Pharmaceuticals in 2026 Q1 according to their latest regulatory filings, with 38 funds opening new positions, 74 increasing their positions, 40 reducing their positions, and 35 closing their positions.
New
Increased
Maintained
Reduced
Closed
1,951% more call options, than puts
Call options by funds: $14.6M | Put options by funds: $713K
85% more repeat investments, than reductions
Existing positions increased: 74 | Existing positions reduced: 40
1% more funds holding
Funds holding: 172 → 174 (+2)
9% more first-time investments, than exits
New positions opened: 38 | Existing positions closed: 35
0.67% more ownership
Funds ownership: 87.07% → 87.74% (+0.67%)
13% less funds holding in top 10
Funds holding in top 10: 8 → 7 (-1)
25% less capital invested
Capital invested by funds: $1.03B → $768M (-$257M)
Holders
174
Holders Change
+2
Holders Change %
+1.16%
% of All Funds
2.14%
Holding in Top 10
7
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-12.5%
% of All Funds
0.09%
New
38
Increased
74
Reduced
40
Closed
35
Calls
$14.6M
Puts
$713K
Net Calls
+$13.9M
Net Calls Change
-$2.73M
Top Buyers
| 1 |
Millennium Management
New York
|
+$24.5M |
| 2 |
NAMI
Nomura Asset Management International
Philadelphia,
Pennsylvania
|
+$15.2M |
| 3 |
Franklin Resources
San Mateo,
California
|
+$12.6M |
| 4 |
PA
Perceptive Advisors
New York
|
+$11.7M |
| 5 |
Marshall Wace
London,
United Kingdom
|
+$10.9M |
