Eos Energy Enterprises
EOSE
349 hedge funds and large institutions have $1.34B invested in Eos Energy Enterprises in 2026 Q2 according to their latest regulatory filings, with 77 funds opening new positions, 136 increasing their positions, 101 reducing their positions, and 44 closing their positions.
100% more funds holding in top 10
Funds holding in top 10: 1 → 2 (+1)
75% more first-time investments, than exits
New positions opened: 77 | Existing positions closed: 44
35% more repeat investments, than reductions
Existing positions increased: 136 | Existing positions reduced: 101
32% more call options, than puts
Call options by funds: $298M | Put options by funds: $226M
31% more capital invested
Capital invested by funds: $1.02B → $1.34B (+$316M)
10% more funds holding
Funds holding: 318 → 349 (+31)
6.45% more ownership
Funds ownership: 60.64% → 67.1% (+6.5%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Hudson Bay Capital Management
Stamford,
Connecticut
|
+$95.2M |
| 2 |
GCM
Graham Capital Management
Rowayton,
Connecticut
|
+$24.8M |
| 3 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
+$23.2M |
| 4 |
BlackRock
New York
|
+$21.2M |
| 5 |
Legal & General Group
London,
United Kingdom
|
+$19.8M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Marshall Wace
London,
United Kingdom
|
-$43.4M |
| 2 |
HF
HRT Financial
New York
|
-$36.1M |
| 3 |
Citadel Advisors
Miami,
Florida
|
-$19.4M |
| 4 |
Voloridge Investment Management
Jupiter,
Florida
|
-$17.1M |
| 5 |
MG
Marex Group
London,
|
-$14.1M |
EOSE Hedge Fund Activity: Q2 2026 in Review
349 of the 8,349 institutional investors tracked by Wall St. Rank reported a position in Eos Energy Enterprises (EOSE) for Q2 2026, worth a combined $1.34B — up 31% from $1.02B a quarter earlier.
Buyers outnumbered sellers: 77 funds opened new EOSE positions and 44 closed out — a net gain of 33 holders — while 136 added to existing stakes and 101 trimmed.
The largest buyer was Hudson Bay Capital Management, opening a new position worth an estimated $95.2M. The largest seller was Marshall Wace, cutting an estimated $43.4M.
- 349 institutional investors held Eos Energy Enterprises (EOSE) as of Q2 2026, up from 318 in Q1 2026.
- Funds reported $1.34B of Eos Energy Enterprises stock for Q2 2026, up 31% quarter-over-quarter.
- 77 funds opened new Eos Energy Enterprises positions in Q2 2026 and 44 closed out, a net change of +33 holders.
- The largest Eos Energy Enterprises buyer in Q2 2026 was Hudson Bay Capital Management, an estimated $95.2M added.
- The largest Eos Energy Enterprises seller in Q2 2026 was Marshall Wace, an estimated $43.4M sold.
Based on aggregated 13F filings for Q2 2026.