Phathom Pharmaceuticals
PHAT
PHAT
174 hedge funds and large institutions have $766M 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
more call options, than puts
Call options by funds: $ | Put options by funds: $
more repeat investments, than reductions
Existing positions increased: | Existing positions reduced:
more funds holding
Funds holding: →
more first-time investments, than exits
New positions opened: | Existing positions closed:
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 → $766M (-$259M)
Holders
174
Holding in Top 10
7
Calls
$14.6M
Puts
$713K
Top Buyers
| 1 | +$24.5M | |
| 2 | +$15.2M | |
| 3 | +$12.6M | |
| 4 |
PA
Perceptive Advisors
New York
|
+$11.7M |
| 5 |
Marshall Wace
London,
United Kingdom
|
+$10.9M |
Top Sellers
| 1 | -$11M | |
| 2 | -$9.95M | |
| 3 | -$9.15M | |
| 4 |
NCGI
Next Century Growth Investors
Plymouth,
Minnesota
|
-$6.53M |
| 5 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
-$5.76M |
