Fortress Biotech
FBIO
51 hedge funds and large institutions have $14.9M invested in Fortress Biotech in 2026 Q1 according to their latest regulatory filings, with 13 funds opening new positions, 11 increasing their positions, 17 reducing their positions, and 11 closing their positions.
18% more first-time investments, than exits
New positions opened: 13 | Existing positions closed: 11
0% more funds holding
Funds holding: 51 → 51 (0)
1.7% less ownership
Funds ownership: 18.92% → 17.23% (-1.7%)
31% less capital invested
Capital invested by funds: $21.5M → $14.9M (-$6.61M)
35% less repeat investments, than reductions
Existing positions increased: 11 | Existing positions reduced: 17
49% less call options, than puts
Call options by funds: $585K | Put options by funds: $1.16M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
GCP
GSA Capital Partners
London,
United Kingdom
|
+$741K |
| 2 |
Citadel Advisors
Miami,
Florida
|
+$613K |
| 3 |
XT
XTX Topco
George Town,
Cayman Islands
|
+$209K |
| 4 |
Simplex Trading
Chicago,
Illinois
|
+$198K |
| 5 |
Two Sigma Investments
New York
|
+$196K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
SF
Summit Financial
Parsippany,
New Jersey
|
-$1.42M |
| 2 |
Corient Private Wealth
Miami,
Florida
|
-$607K |
| 3 |
SC
Sculptor Capital
New York
|
-$533K |
| 4 |
Group One Trading
Chicago,
Illinois
|
-$216K |
| 5 |
Wealth Enhancement Advisory Services
Plymouth,
Minnesota
|
-$215K |
FBIO Hedge Fund Activity: Q1 2026 in Review
51 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Fortress Biotech (FBIO) for Q1 2026, worth a combined $14.9M — down 31% from $21.5M a quarter earlier.
Buyers outnumbered sellers: 13 funds opened new FBIO positions and 11 closed out — a net gain of 2 holders — while 11 added to existing stakes and 17 trimmed.
The largest buyer was GSA Capital Partners, adding an estimated $741K. The largest seller was Summit Financial, cutting an estimated $1.42M.
- 51 institutional investors held Fortress Biotech (FBIO) as of Q1 2026, unchanged from Q4 2025.
- Funds reported $14.9M of Fortress Biotech stock for Q1 2026, down 31% quarter-over-quarter.
- 13 funds opened new Fortress Biotech positions in Q1 2026 and 11 closed out, a net change of +2 holders.
- The largest Fortress Biotech buyer in Q1 2026 was GSA Capital Partners, an estimated $741K added.
- The largest Fortress Biotech seller in Q1 2026 was Summit Financial, an estimated $1.42M sold.
Based on aggregated 13F filings for Q1 2026.