Eos Energy Enterprises Inc (EOSE)
Who owns Eos Energy Enterprises Inc (EOSE)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 93.9% of the shares are freely tradable; institutional investors hold 63.0%.
Ownership Structure
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 7.09 | 24,083,779 | +2.8 | 03/31/2026 |
| Vanguard Group Inc | 5.48 | 18,616,874 | +19.8 | 12/31/2025 |
| Driehaus Capital Management LLC | 4.38 | 14,869,170 | +4.2 | 03/31/2026 |
| Vanguard Capital Management, LLC | 4.37 | 14,835,437 | +0.0 | 03/31/2026 |
| Two Sigma Investments LLC | 4.15 | 14,074,001 | +163.1 | 03/31/2026 |
| State Street Corp | 2.36 | 8,017,930 | +4.3 | 03/31/2026 |
| Geode Capital Management, LLC | 2.30 | 7,812,894 | +8.4 | 03/31/2026 |
| Marshall Wace Asset Management Ltd | 1.95 | 6,611,495 | +3,529.4 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 3.21 | 10,912,543 | +0.3 | 04/30/2026 |
| iShares Russell 2000 ETF | 2.17 | 7,383,351 | +0.9 | 05/29/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 28. Jul 2026 | Puri Sumeet | Chief Accounting Officer | Sell | 29,167 | 3.36 | 98,001 |
| 28. Jul 2026 | Kroeker Nathan | Chief Commercial Officer | Sell | 110,417 | 3.36 | 371,001 |
| 27. Jul 2026 | Mastrangelo Joe | Chief Executive Officer | Sell | 159,154 | 3.61 | 574,546 |
| 25. Jul 2026 | Puri Sumeet | Chief Accounting Officer | Other | 58,334 | 0.00 | – |
| 25. Jul 2026 | Kroeker Nathan | Chief Commercial Officer | Other | 220,834 | 0.00 | – |
| 25. Jul 2026 | Mastrangelo Joe | Chief Executive Officer | Other | 333,334 | 0.00 | – |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character.
View all insider transactions →Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.