Phathom Pharmaceuticals
PHAT
PHAT
134 hedge funds and large institutions have $734M invested in Phathom Pharmaceuticals in 2025 Q3 according to their latest regulatory filings, with 27 funds opening new positions, 45 increasing their positions, 28 reducing their positions, and 11 closing their positions.
New
Increased
Maintained
Reduced
Closed
more call options, than puts
Call options by funds: $ | Put options by funds: $
more first-time investments, than exits
New positions opened: | Existing positions closed:
more repeat investments, than reductions
Existing positions increased: | Existing positions reduced:
more capital invested
Capital invested by funds: $ → $
14% more funds holding
Funds holding: 118 → 134 (+16)
5.63% more ownership
Funds ownership: 82.24% → 87.88% (+5.6%)
0% more funds holding in top 10
Funds holding in top 10: 6 → 6 (0)
Holders
134
Holding in Top 10
6
Calls
$14.3M
Puts
$346K
Top Buyers
| 1 | +$29.2M | |
| 2 | +$5.25M | |
| 3 | +$4.71M | |
| 4 |
ACM
AIGH Capital Management
Baltimore,
Maryland
|
+$4.43M |
| 5 |
Vanguard Group
Malvern,
Pennsylvania
|
+$4.42M |
Top Sellers
| 1 | -$7.83M | |
| 2 | -$5.2M | |
| 3 | -$3.82M | |
| 4 |
SSA
Schonfeld Strategic Advisors
New York
|
-$2.94M |
| 5 |
6CM
683 Capital Management
New York
|
-$2.94M |
