BigBear.ai
BBAI
357 hedge funds and large institutions have $1.06B invested in BigBear.ai in 2025 Q4 according to their latest regulatory filings, with 96 funds opening new positions, 152 increasing their positions, 59 reducing their positions, and 49 closing their positions.
158% more repeat investments, than reductions
Existing positions increased: 152 | Existing positions reduced: 59
96% more first-time investments, than exits
New positions opened: 96 | Existing positions closed: 49
32% more call options, than puts
Call options by funds: $164M | Put options by funds: $124M
13% more funds holding
Funds holding: 316 → 357 (+41)
13% more capital invested
Capital invested by funds: $940M → $1.06B (+$118M)
5.94% more ownership
Funds ownership: 38.93% → 44.87% (+5.9%)
100% less funds holding in top 10
Funds holding in top 10: 1 → 0 (-1)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BlackRock
New York
|
+$77.4M |
| 2 |
VanEck Associates
New York
|
+$56.5M |
| 3 |
UBS Group
Zurich,
Switzerland
|
+$40.2M |
| 4 |
Vanguard Group
Malvern,
Pennsylvania
|
+$33.3M |
| 5 |
Goldman Sachs
New York
|
+$17.8M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Two Sigma Investments
New York
|
-$27.4M |
| 2 |
HF
HRT Financial
New York
|
-$15.8M |
| 3 |
Renaissance Technologies
New York
|
-$14.9M |
| 4 |
Royal Bank of Canada
Toronto,
Ontario, Canada
|
-$14.6M |
| 5 |
Millennium Management
New York
|
-$8.84M |
BBAI Hedge Fund Activity: Q4 2025 in Review
357 of the 8,266 institutional investors tracked by Wall St. Rank reported a position in BigBear.ai (BBAI) for Q4 2025, worth a combined $1.06B — up 13% from $940M a quarter earlier.
Buyers outnumbered sellers: 96 funds opened new BBAI positions and 49 closed out — a net gain of 47 holders — while 152 added to existing stakes and 59 trimmed.
The largest buyer was BlackRock, adding an estimated $77.4M. The largest seller was Two Sigma Investments, cutting an estimated $27.4M.
- 357 institutional investors held BigBear.ai (BBAI) as of Q4 2025, up from 316 in Q3 2025.
- Funds reported $1.06B of BigBear.ai stock for Q4 2025, up 13% quarter-over-quarter.
- 96 funds opened new BigBear.ai positions in Q4 2025 and 49 closed out, a net change of +47 holders.
- The largest BigBear.ai buyer in Q4 2025 was BlackRock, an estimated $77.4M added.
- The largest BigBear.ai seller in Q4 2025 was Two Sigma Investments, an estimated $27.4M sold.
Based on aggregated 13F filings for Q4 2025.