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Eos Energy-A (EOSE)
NASDAQ
$1.86+$0.04 (+2.49%)
Price as of Nov 13, 2026 12:35 PM EST- $663.1MMarket Cap
- -88.10%1-Year Change
- Electrical Equipment & PartsIndustry
Eos Energy-A (EOSE)
$1.86+$0.04 (+2.49%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
BLACKROCK, INC. | 7.41% | 27.1M | +3.0M (+11.23%) | Jun 30, 2026 |
VANGUARD GROUP INC | 5.08% | 18.6M | +3.1M (+16.54%) | Dec 31, 2025 |
VANGUARD CAPITAL MANAGEMENT LLC | 4.10% | 15.0M | +185,955 (+1.24%) | Jun 30, 2026 |
HUDSON BAY CAPITAL MANAGEMENT LP | 3.73% | 13.7M | +13.7M (+100.00%) | Jun 30, 2026 |
DRIEHAUS CAPITAL MANAGEMENT LLC | 3.70% | 13.6M | -1.3M (-9.69%) | Jun 30, 2026 |
TWO SIGMA INVESTMENTS, LP | 3.49% | 12.8M | -1.3M (-10.09%) | Jun 30, 2026 |
CITADEL ADVISORS LLC | 2.89% | 10.6M | +2.2M (+20.89%) | Jun 30, 2026 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
VANGUARD INDEX FUNDS | 4.00% | 14.7M | +183,050 (+1.25%) | Jun 30, 2026 |
FIDELITY SALEM STREET TRUST | 1.04% | 3.8M | +3.5M (+91.52%) | Jul 31, 2026 |
FIDELITY CONCORD STREET TRUST | 0.82% | 3.0M | +3,726 (+0.12%) | Aug 31, 2026 |
Bridge Builder Trust | 0.69% | 2.5M | 0 (0.00%) | Jun 30, 2026 |
VANGUARD SCOTTSDALE FUNDS | 0.65% | 2.4M | +477,828 (+20.09%) | Aug 31, 2026 |
DRIEHAUS MUTUAL FUNDS | 0.56% | 2.0M | -151,782 (-7.43%) | Jun 30, 2026 |
SCHWAB STRATEGIC TRUST | 0.50% | 1.8M | +73,615 (+4.05%) | Aug 31, 2026 |
Current Ownership Distribution
- Institutions1.8B (77.07%)
- Mutual Funds505.4M (21.64%)
- Insiders30.1M (1.29%)
- Other0 (0.00%)
Insider Transactions
- 1.29% (30.1M)Current InsiderOwnership (%, shares)
- 3Number of InsiderBuying (last 12 months)
- $19.3MAmount of InsiderBuying (last 12 months)
- 5Number of InsiderSelling (last 12 months)
- $24.9MAmount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
Buczkowski Michelle Chief Commercial Officer | Sell | Oct 29, 2026 | $100,000.00 | 50,000 | $2.00 | 111,827 |
Buczkowski Michelle Chief Commercial Officer | Exempt | Oct 28, 2026 | $0.00 | 100,000 | $0.00 | 100,000 |
Buczkowski Michelle Chief Commercial Officer | Exempt | Oct 28, 2026 | $0.00 | 100,000 | $0.00 | 161,827 |
Mastrangelo Joe Chief Executive Officer | Sell | Sep 16, 2026 | $980,000.00 | 250,000 | $3.92 | 2.3M |
Puri Sumeet Chief Accounting Officer | Sell | Sep 16, 2026 | $171,500.00 | 43,750 | $3.92 | 280,195 |
Mastrangelo Joe Chief Executive Officer | Exempt | Sep 14, 2026 | $0.00 | 500,000 | $0.00 | 0 |
Puri Sumeet Chief Accounting Officer | Exempt | Sep 14, 2026 | $0.00 | 87,500 | $0.00 | 0 |
Mastrangelo Joe Chief Executive Officer | Award | Sep 14, 2026 | $0.00 | 500,000 | $0.00 | 2.6M |
Puri Sumeet Chief Accounting Officer | Exempt | Sep 14, 2026 | $0.00 | 87,500 | $0.00 | 323,945 |
Puri Sumeet Chief Accounting Officer | Sell | Sep 09, 2026 | $141,109.71 | 34,167 | $4.13 | 236,445 |
Puri Sumeet Chief Accounting Officer | Exempt | Sep 05, 2026 | $0.00 | 68,333 | $0.00 | 0 |
Puri Sumeet Chief Accounting Officer | Exempt | Sep 05, 2026 | $0.00 | 68,333 | $0.00 | 270,612 |
Puri Sumeet Chief Accounting Officer | Award | Aug 24, 2026 | $0.00 | 65,044 | $0.00 | 65,044 |
Lagi Alessandro Chief Financial Officer | Award | Aug 24, 2026 | $0.00 | 195,130 | $0.00 | 195,130 |
Mastrangelo Joe Chief Executive Officer | Award | Aug 24, 2026 | $0.00 | 611,406 | $0.00 | 611,406 |
Cerberus GP Manager LLC | Award | Aug 04, 2026 | $0.00 | 20.0M | $0.00 | 20.0M |
Puri Sumeet Chief Accounting Officer | Sell | Jul 28, 2026 | $98,001.12 | 29,167 | $3.36 | 202,279 |
Puri Sumeet Chief Accounting Officer | Exempt | Jul 25, 2026 | $0.00 | 58,334 | $0.00 | 58,333 |
Puri Sumeet Chief Accounting Officer | Exempt | Jul 25, 2026 | $0.00 | 58,334 | $0.00 | 231,446 |
DIMITRIEF ALEXANDER | Award | Jul 23, 2026 | $0.00 | 5,942 | $0.00 | 5,942 |
DIMITRIEF ALEXANDER | Exempt | Jul 21, 2026 | $0.00 | 17,897 | $0.00 | 0 |
Mastrangelo Joe Chief Executive Officer | Exempt | Jul 21, 2026 | $0.00 | 111,118 | $0.00 | 0 |
Walters Marian | Exempt | Jul 21, 2026 | $0.00 | 11,407 | $0.00 | 0 |
Mastrangelo Joe Chief Executive Officer | Exempt | Jul 21, 2026 | $0.00 | 48,758 | $0.00 | 48,758 |
DIMITRIEF ALEXANDER | Exempt | Jul 21, 2026 | $0.00 | 1,377 | $0.00 | 0 |
Mastrangelo Joe Chief Executive Officer | Exempt | Jul 21, 2026 | $608,926.64 | 111,118 | $5.48 | 2.1M |
Walters Marian | Exempt | Jul 21, 2026 | $0.00 | 5,005 | $0.00 | 5,005 |
DIMITRIEF ALEXANDER | Exempt | Jul 21, 2026 | $0.00 | 7,853 | $0.00 | 7,853 |
Walters Marian | Exempt | Jul 21, 2026 | $62,510.36 | 11,407 | $5.48 | 171,634 |
DIMITRIEF ALEXANDER | Exempt | Jul 21, 2026 | $0.00 | 603 | $0.00 | 603 |