Forte Biosciences
FBRX
59 hedge funds and large institutions have $315M invested in Forte Biosciences in 2025 Q4 according to their latest regulatory filings, with 24 funds opening new positions, 21 increasing their positions, 7 reducing their positions, and 6 closing their positions.
300% more first-time investments, than exits
New positions opened: 24 | Existing positions closed: 6
200% more repeat investments, than reductions
Existing positions increased: 21 | Existing positions reduced: 7
103% more capital invested
Capital invested by funds: $155M → $315M (+$159M)
40% more funds holding
Funds holding: 42 → 59 (+17)
8.79% more ownership
Funds ownership: 83.2% → 91.99% (+8.8%)
4% more call options, than puts
Call options by funds: $611K | Put options by funds: $589K
100% less funds holding in top 10
Funds holding in top 10: 2 → 0 (-2)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AAA
Affinity Asset Advisors
New York
|
+$17.3M |
| 2 |
Point72 Asset Management
Stamford,
Connecticut
|
+$8.54M |
| 3 |
JG
Jain Global
New York
|
+$3.55M |
| 4 |
Federated Hermes
Pittsburgh,
Pennsylvania
|
+$2.28M |
| 5 |
Millennium Management
New York
|
+$2.22M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
SFM
Sphera Funds Management
Tel Aviv,
Israel
|
-$5.06M |
| 2 |
FAM
Fred Alger Management
New York
|
-$3.07M |
| 3 |
CCC
Cable Car Capital
San Francisco,
California
|
-$1.75M |
| 4 |
MBAM
Mink Brook Asset Management
West Palm Beach,
Florida
|
-$1.22M |
| 5 |
BI
BVF Inc
San Francisco,
California
|
-$980K |
FBRX Hedge Fund Activity: Q4 2025 in Review
59 of the 8,248 institutional investors tracked by Wall St. Rank reported a position in Forte Biosciences (FBRX) for Q4 2025, worth a combined $315M — up 103% from $155M a quarter earlier.
Buyers outnumbered sellers: 24 funds opened new FBRX positions and 6 closed out — a net gain of 18 holders — while 21 added to existing stakes and 7 trimmed.
The largest buyer was Affinity Asset Advisors, opening a new position worth an estimated $17.3M. The largest seller was Sphera Funds Management, cutting an estimated $5.06M.
- 59 institutional investors held Forte Biosciences (FBRX) as of Q4 2025, up from 42 in Q3 2025.
- Funds reported $315M of Forte Biosciences stock for Q4 2025, up 103% quarter-over-quarter.
- 24 funds opened new Forte Biosciences positions in Q4 2025 and 6 closed out, a net change of +18 holders.
- The largest Forte Biosciences buyer in Q4 2025 was Affinity Asset Advisors, an estimated $17.3M added.
- The largest Forte Biosciences seller in Q4 2025 was Sphera Funds Management, an estimated $5.06M sold.
Based on aggregated 13F filings for Q4 2025.