BioAtla
BCAB
41 hedge funds and large institutions have $7.49M invested in BioAtla in 2025 Q4 according to their latest regulatory filings, with 6 funds opening new positions, 15 increasing their positions, 6 reducing their positions, and 7 closing their positions.
150% more repeat investments, than reductions
Existing positions increased: 15 | Existing positions reduced: 6
0.01% less ownership
Funds ownership: 0.45% → 0.45% (-0.01%)
5% less funds holding
Funds holding: 43 → 41 (-2)
14% less first-time investments, than exits
New positions opened: 6 | Existing positions closed: 7
18% less capital invested
Capital invested by funds: $9.19M → $7.49M (-$1.7M)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Marshall Wace
London,
United Kingdom
|
+$699K |
| 2 |
Millennium Management
New York
|
+$330K |
| 3 |
ACM
ADAR1 Capital Management
Austin,
Texas
|
+$144K |
| 4 |
Jane Street
New York
|
+$119K |
| 5 |
UBS Group
Zurich,
Switzerland
|
+$109K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
TCM
Tang Capital Management
San Diego,
California
|
-$945K |
| 2 |
Citadel Advisors
Miami,
Florida
|
-$215K |
| 3 |
Acadian Asset Management
Boston,
Massachusetts
|
-$135K |
| 4 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
-$134K |
| 5 |
Renaissance Technologies
New York
|
-$73.3K |
BCAB Hedge Fund Activity: Q4 2025 in Review
41 of the 8,223 institutional investors tracked by Wall St. Rank reported a position in BioAtla (BCAB) for Q4 2025, worth a combined $7.49M — down 18% from $9.19M a quarter earlier.
Sellers outnumbered buyers: 7 funds closed out of BCAB and 6 opened new positions — a net loss of 1 holder — while 6 trimmed existing stakes and 15 added.
The largest buyer was Marshall Wace, opening a new position worth an estimated $699K. The largest seller was Tang Capital Management, exiting entirely with an estimated $945K sold.
- 41 institutional investors held BioAtla (BCAB) as of Q4 2025, down from 43 in Q3 2025.
- Funds reported $7.49M of BioAtla stock for Q4 2025, down 18% quarter-over-quarter.
- 6 funds opened new BioAtla positions in Q4 2025 and 7 closed out, a net change of -1 holder.
- The largest BioAtla buyer in Q4 2025 was Marshall Wace, an estimated $699K added.
- The largest BioAtla seller in Q4 2025 was Tang Capital Management, an estimated $945K sold.
Based on aggregated 13F filings for Q4 2025.