EOS ENERGY ENTERPRISES INC (EOSE): Ownership & Insider Activity
Hedge funds and institutional managers reporting a position in EOSE · Industrials. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
21
13F filers
Aggregate Value
$215.1M
Across holders
Last Price
$1.68
2026-10-20
Sector
Industrials
GICS
Quarterly fund activity11 increased10 reduced4 exited
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| Hudson Bay Capital Management LP CIK 0001393825 | Hedge Fund | 13.68M | $80.5M | 37.4% | 0.2% | Added | — | Q2 2026 |
| TWO SIGMA INVESTMENTS, LP CIK 0001179392 | Hedge Fund | 12.78M | $75.2M | 34.9% | 0.1% | Reduced | $-7.6M | Q2 2026 |
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 3.31M | $19.5M | 9.0% | 0.0% | Reduced | $-52.3M | Q2 2026 |
| ExodusPoint Capital Management, LP CIK 0001736225 | Hedge Fund | 2.00M | $11.8M | 5.5% | 0.1% | Added | — | Q2 2026 |
| MILLENNIUM MANAGEMENT LLC CIK 0001273087 | Hedge Fund | 1.26M | $7.4M | 3.4% | 0.0% | Reduced | $-10.1M | Q2 2026 |
| Bridgewater Associates, LP CIK 0001350694 | Hedge Fund | 633K | $3.7M | 1.7% | 0.0% | Added | — | Q2 2026 |
| TUDOR INVESTMENT CORP ET AL CIK 0000923093 | Hedge Fund | 623K | $3.7M | 1.7% | 0.0% | Reduced | +$3.1M | Q2 2026 |
| Man Group plc CIK 0001637460 | Hedge Fund | 573K | $3.4M | 1.6% | 0.0% | Added | +$3.1M | Q2 2026 |
| MARSHALL WACE, LLP CIK 0001318757 | Hedge Fund | 374K | $2.2M | 1.0% | 0.0% | Reduced | $-16.2M | Q2 2026 |
| BALYASNY ASSET MANAGEMENT LLC CIK 0001218710 | Hedge Fund | 256K | $1.5M | 0.7% | 0.0% | Reduced | $-341K | Q2 2026 |
Added
Hedge Fund
$80.5M· 37.4% of total· 0.2% port· 13.68M sh· — QoQ· Q2 2026
Reduced
Hedge Fund
$75.2M· 34.9% of total· 0.1% port· 12.78M sh· $-7.6M QoQ· Q2 2026
Reduced
Hedge Fund
$19.5M· 9.0% of total· 0.0% port· 3.31M sh· $-52.3M QoQ· Q2 2026
Added
Hedge Fund
$11.8M· 5.5% of total· 0.1% port· 2.00M sh· — QoQ· Q2 2026
Reduced
Hedge Fund
$7.4M· 3.4% of total· 0.0% port· 1.26M sh· $-10.1M QoQ· Q2 2026
Added
Hedge Fund
$3.7M· 1.7% of total· 0.0% port· 633K sh· — QoQ· Q2 2026
Reduced
Hedge Fund
$3.7M· 1.7% of total· 0.0% port· 623K sh· +$3.1M QoQ· Q2 2026
Added
Hedge Fund
$3.4M· 1.6% of total· 0.0% port· 573K sh· +$3.1M QoQ· Q2 2026
Reduced
Hedge Fund
$2.2M· 1.0% of total· 0.0% port· 374K sh· $-16.2M QoQ· Q2 2026
Reduced
Hedge Fund
$1.5M· 0.7% of total· 0.0% port· 256K sh· $-341K QoQ· Q2 2026
Added
Hedge Fund
$1.5M· 0.7% of total· 0.0% port· 253K sh· +$619K QoQ· Q2 2026
Added
Hedge Fund
$1.4M· 0.7% of total· 0.0% port· 238K sh· +$621K QoQ· Q2 2026
Added
Hedge Fund
$1.3M· 0.6% of total· 0.0% port· 214K sh· — QoQ· Q2 2026
Reduced
Hedge Fund
$695K· 0.3% of total· 0.0% port· 118K sh· +$695K QoQ· Q2 2026
Reduced
Hedge Fund
$595K· 0.3% of total· 0.0% port· 101K sh· +$109K QoQ· Q2 2026
Added
Hedge Fund
$298K· 0.1% of total· 0.0% port· 49K sh· — QoQ· Q2 2026
Reduced
Hedge Fund
$265K· 0.1% of total· 0.0% port· 45K sh· $-29K QoQ· Q2 2026
Added
Hedge Fund
$177K· 0.1% of total· 0.0% port· 30K sh· +$79K QoQ· Q2 2026
Reduced
Hedge Fund
$99K· 0.0% of total· 0.0% port· 17K sh· $-66K QoQ· Q2 2026
Added
Hedge Fund
$87K· 0.0% of total· 0.0% port· 15K sh· $-66K QoQ· Q2 2026
Added
Hedge Fund
$147· 0.0% of total· 0.0% port· 25 sh· — QoQ· Q2 2026
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Recent insider activity
Form 4 purchases and sales · 24 Jul 2026 – 21 Oct 20261 buyers · $40K3 sellers · $2.3M7 transactions
| Insider ⇅ | Trades ⇅ | Bought ⇅ | Sold ⇅ | Largest ⇅ | Latest ▼ | |
|---|---|---|---|---|---|---|
| Mastrangelo Joe Chief Executive Officer | 2 0 buy · 2 sell | — | $1.6M | $980K | 16 Sept 2026SEC ↗ | |
| Puri Sumeet Chief Accounting Officer | 3 0 buy · 3 sell | — | $411K | $172K | 16 Sept 2026SEC ↗ | |
| Song Haiyan Director | 1 1 buy · 0 sell | $40K | — | $40K | 11 Sept 2026SEC ↗ | |
| Kroeker Nathan Chief Commercial Officer | 1 0 buy · 1 sell | — | $371K | $371K | 28 Jul 2026SEC ↗ |
Distinct buyers and sellers may overlap. “Largest” is the largest reported transaction value in this window. Expand a row to see up to five recent filings.