Eos Energy Enterprises
EOSE
322 hedge funds and large institutions have $2.01B invested in Eos Energy Enterprises in 2025 Q4 according to their latest regulatory filings, with 97 funds opening new positions, 122 increasing their positions, 86 reducing their positions, and 45 closing their positions.
116% more first-time investments, than exits
New positions opened: 97 | Existing positions closed: 45
42% more repeat investments, than reductions
Existing positions increased: 122 | Existing positions reduced: 86
34% more call options, than puts
Call options by funds: $661M | Put options by funds: $493M
17% more funds holding
Funds holding: 276 → 322 (+46)
16% more capital invested
Capital invested by funds: $1.74B → $2.01B (+$277M)
6.37% more ownership
Funds ownership: 54.58% → 60.95% (+6.4%)
0% more funds holding in top 10
Funds holding in top 10: 4 → 4 (0)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
DCM
Driehaus Capital Management
Chicago,
Illinois
|
+$111M |
| 2 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
+$83.6M |
| 3 |
BlackRock
New York
|
+$72.1M |
| 4 |
Two Sigma Investments
New York
|
+$54.1M |
| 5 |
Two Sigma Advisers
New York
|
+$46.2M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
RCMNY
Rubric Capital Management (New York)
New York
|
-$54.6M |
| 2 |
BNP Paribas Financial Markets
Paris,
France
|
-$46.7M |
| 3 |
UBS Group
Zurich,
Switzerland
|
-$34.9M |
| 4 |
Bank of America
Charlotte,
North Carolina
|
-$34.7M |
| 5 |
Goldman Sachs
New York
|
-$23.2M |
EOSE Hedge Fund Activity: Q4 2025 in Review
322 institutional investors reported a position in Eos Energy Enterprises (EOSE) for Q4 2025, worth a combined $2.01B — up 16% from $1.74B a quarter earlier.
Buyers outnumbered sellers: 97 funds opened new EOSE positions and 45 closed out — a net gain of 52 holders — while 122 added to existing stakes and 86 trimmed.
The largest buyer was Driehaus Capital Management, adding an estimated $111M. The largest seller was Rubric Capital Management (New York), cutting an estimated $54.6M.
- 322 institutional investors held Eos Energy Enterprises (EOSE) as of Q4 2025, up from 276 in Q3 2025.
- Funds reported $2.01B of Eos Energy Enterprises stock for Q4 2025, up 16% quarter-over-quarter.
- 97 funds opened new Eos Energy Enterprises positions in Q4 2025 and 45 closed out, a net change of +52 holders.
- The largest Eos Energy Enterprises buyer in Q4 2025 was Driehaus Capital Management, an estimated $111M added.
- The largest Eos Energy Enterprises seller in Q4 2025 was Rubric Capital Management (New York), an estimated $54.6M sold.
Based on aggregated 13F filings for Q4 2025.