EOS ENERGY ENTERPRISES INC EOSE
COM CL A · Common Stock · CUSIP 29415C101 · ISIN US29415C1018
Energy storage company
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($547.4k this quarter). Holder counts are more reliable. Shares outstanding: 259.9m as of 2025-07-25, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $5.12. Options: 25 managers hold calls ($182.5m notional), 25 hold puts ($150.2m).
Trends to Q2 2025
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 71 |
| Q4 2022 | 79 |
| Q1 2023 | 90 |
| Q2 2023 | 120 |
| Q3 2023 | 137 |
| Q4 2023 | 136 |
| Q1 2024 | 134 |
| Q2 2024 | 128 |
| Q3 2024 | 127 |
| Q4 2024 | 156 |
| Q1 2025 | 178 |
| Q2 2025 | 216 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q3 2023 | 73 | 53 |
| Q4 2023 | 79 | 57 |
| Q1 2024 | 64 | 64 |
| Q2 2024 | 71 | 65 |
| Q3 2024 | 65 | 69 |
| Q4 2024 | 90 | 52 |
| Q1 2025 | 107 | 63 |
| Q2 2025 | 157 | 69 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2024 | $36.7m | $6.9m | 0.19 |
| Q4 2024 | $90.8m | $37.8m | 0.42 |
| Q1 2025 | $77.0m | $31.9m | 0.41 |
| Q2 2025 | $182.5m | $150.2m | 0.82 |
Biggest buyers
| BlackRock, Inc. | Added | +11.8m |
| UBS Group AG | Added | +3.9m |
| Driehaus Capital Management LLC | Added | +3.5m |
| VANGUARD GROUP INC | Added | +3.0m |
| MORGAN STANLEY | Added | +2.8m |
| STATE STREET CORP | Added | +2.7m |
| GEODE CAPITAL MANAGEMENT, LLC | Added | +2.7m |
| Engineers Gate Manager LP | New | +2.3m |
| Electron Capital Partners, LLC | Added | +2.0m |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | +1.7m |
Biggest sellers
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | Sold out | -3.3m |
| Legal & General Group Plc | Reduced | -2.2m |
| GROUP ONE TRADING LLC | Reduced | -1.7m |
| MILLENNIUM MANAGEMENT LLC | Reduced | -1.1m |
| AMERICAN FINANCIAL GROUP INC | Reduced | -929.0k |
| RENAISSANCE TECHNOLOGIES LLC | Reduced | -877.6k |
| MARSHALL WACE, LLP | Reduced | -625.2k |
| Squarepoint Ops LLC | Reduced | -559.0k |
| TUDOR INVESTMENT CORP ET AL | Sold out | -552.9k |
| Schonfeld Strategic Advisors LLC | Sold out | -486.9k |
Biggest calls
| GROUP ONE TRADING LLC | Added | $42.2m8.2m shares |
| Caption Management, LLC | Reduced | $33.2m6.5m shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $24.0m4.7m shares |
| PEAK6 LLC | Added | $15.4m3.0m shares |
| Walleye Trading LLC | Added | $14.5m2.8m shares |
| SIMPLEX TRADING, LLC | Added | $14.4m2.8m shares |
| CITADEL ADVISORS LLC | Added | $10.4m2.0m shares |
| Balyasny Asset Management L.P. | New | $7.0m1.4m shares |
| JANE STREET GROUP, LLC | Added | $6.2m1.2m shares |
| IMC-Chicago, LLC | Added | $5.0m978.7k shares |
Biggest puts
| Graham Capital Management, L.P. | New | $38.9m7.6m shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $24.8m4.8m shares |
| GROUP ONE TRADING LLC | Added | $17.7m3.5m shares |
| CITADEL ADVISORS LLC | Added | $11.7m2.3m shares |
| SIMPLEX TRADING, LLC | Added | $9.2m1.8m shares |
| Caption Management, LLC | New | $7.7m1.5m shares |
| Walleye Trading LLC | Added | $7.7m1.5m shares |
| Skaana Management L.P. | New | $5.6m1.1m shares |
| IMC-Chicago, LLC | Added | $4.1m804.6k shares |
| BARCLAYS PLC | New | $4.1m800.0k shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
Cerberus Capital Management II, L.P.
13D · may seek influence
+1.5 pts · filed 2026-08-06
Stated purposeItem 4 is hereby amended and supplemented by the addition of the following: Pursuant to the previously disclosed A&R Term Sheet, on August 4, 2026, the Issuer, CCM Frontier, and HBC MSF Capital Solutions Blocker II LLC, an affiliate of Hudson Bay Capital Management LP ("HBC"), consummated the closing of the funding (the "Funding") of Frontier Power USA Parent, LLC (the "JV Company"), a Delaware limited liability company and a joint venture among the Issuer, CCM Frontier and HBC. Pursuant to a Contribution and Warrants Purchase Agreement (the "Contribution and Warrants Purchase Agreement"), dated as of August 4, 2026, by and between CCM Frontier and the JV Company, CCM Frontier (i) caused the JV Company to receive the benefit of certain contracts, contacts, investment opportunities, … Full filing |
32.6% |
| BlackRock, Inc. 13G · institution +1.1 pts · filed 2026-07-28 | 7.6% |
| VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-29 | 5.1% |
Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-26; now reported by VANGUARD CAPITAL MANAGEMENT LLC), SUSQUEHANNA SECURITIES, LLC (4.5%, 2026-02-13)
Insider purchases and sales in Q2 2025
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q3 2023 | 3 | $163.6k | 1 | $56.0k | — |
| Q4 2023 | 0 | — | 0 | — | — |
| Q1 2024 | 1 | $5.6k | 0 | — | — |
| Q2 2024 | 0 | — | 0 | — | — |
| Q3 2024 | 2 | $84.6k | 1 | $427.7k | — |
| Q4 2024 | 0 | — | 0 | — | — |
| Q1 2025 | 0 | — | 0 | — | — |
| Q2 2025 | 0 | — | 4 | $3.8m | — |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2025-05-16 | Mastrangelo Joe Chief Executive Officer, director | Sold | $1.9m270.4k shares |
| 2025-05-16 | Kroeker Nathan Chief Commercial Officer | Sold | $1.0m152.9k shares |
| 2025-05-16 | Silberman Michael W General Counsel | Sold | $692.5k100.9k shares |
| 2025-05-16 | Puri Sumeet Chief Accounting Officer | Sold | $248.1k36.2k shares |
Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).
Holders, Q2 2025
| Manager | Shares | Change |
|---|---|---|
| BlackRock, Inc. 0.00% of their portfolio | 16.1m $82.4m | Added +11.8m |
| VANGUARD GROUP INC 0.00% of their portfolio | 13.3m $68.2m | Added +3.0m |
| Driehaus Capital Management LLC 0.29% of their portfolio | 7.0m $36.1m | Added +3.5m |
| Electron Capital Partners, LLC 1.91% of their portfolio | 7.0m $35.7m | Added +2.0m |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.05% of their portfolio | 6.2m $32.0m | Added +1.7m |
| UBS Group AG 0.01% of their portfolio | 5.9m $30.2m | Added +3.9m |
| STATE STREET CORP 0.00% of their portfolio | 5.8m $29.7m | Added +2.7m |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 5.4m $27.7m | Added +2.7m |
| STIFEL FINANCIAL CORP 0.02% of their portfolio | 5.0m $25.5m | Added +286.2k |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 4.6m $23.7m | Added +719.2k |
| MORGAN STANLEY 0.00% of their portfolio | 4.3m $21.8m | Added +2.8m |
| NewEdge Advisors, LLC 0.06% of their portfolio | 2.4m $12.1m | Added +715.8k |
| Engineers Gate Manager LP 0.15% of their portfolio | 2.3m $11.8m | New |
| Legal & General Group Plc 0.00% of their portfolio | 2.2m $11.5m | Reduced -2.2m |
| GROUP ONE TRADING LLC 0.35% of their portfolio | 2.1m $10.7m | Reduced -1.7m |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 2.0m $10.4m | Added +1.6m |
| NORTHERN TRUST CORP 0.00% of their portfolio | 1.8m $9.2m | Added +1.3m |
| BRIGHTLINE CAPITAL MANAGEMENT, LLC 3.80% of their portfolio | 1.7m $8.8m | Added +16.0k |
| D. E. Shaw & Co., Inc. 0.01% of their portfolio | 1.6m $8.1m | New |
| Alyeska Investment Group, L.P. 0.03% of their portfolio | 1.5m $7.8m | New |
| CITADEL ADVISORS LLC 0.01% of their portfolio | 1.5m $7.8m | Added +564.1k |
| MILLENNIUM MANAGEMENT LLC 0.01% of their portfolio | 1.4m $7.3m | Reduced -1.1m |
| BARCLAYS PLC 0.00% of their portfolio | 1.2m $6.3m | Added +1.2m |
| BARINGS LLC 0.14% of their portfolio | 1.2m $6.2m | Added +5.4k |
| BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio | 1.2m $6.2m | Added +381.9k |
| Invesco Ltd. 0.00% of their portfolio | 1.2m $6.1m | Reduced -3.1k |
| MARSHALL WACE, LLP 0.01% of their portfolio | 1.2m $6.0m | Reduced -625.2k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 1.2m $6.0m | New |
| TWO SIGMA INVESTMENTS, LP 0.01% of their portfolio | 1.1m $5.4m | Added +976.9k |
| ROYAL BANK OF CANADA 0.00% of their portfolio | 1.0m $5.3m | Added +1.0m |
| Balyasny Asset Management L.P. 0.01% of their portfolio | 1.0m $5.3m | Added +903.5k |
| FIRST TRUST ADVISORS LP 0.00% of their portfolio | 1.0m $5.1m | Added +428.1k |
| Baird Financial Group, Inc. 0.01% of their portfolio | 997.7k $5.1m | Reduced -344.9k |
| SIMPLEX TRADING, LLC 0.13% of their portfolio | 972.7k $5.0m | Added +61.9k |
| AMERICAN FINANCIAL GROUP INC 1.79% of their portfolio | 932.9k $4.8m | Reduced -929.0k |
| DNB Asset Management AS 0.02% of their portfolio | 845.0k $4.3m | Reduced -109.1k |
| EVR Research LP 2.04% of their portfolio | 760.0k $3.9m | Added +340.0k |
| J. Goldman & Co LP 0.12% of their portfolio | 720.4k $3.7m | New |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio | 706.2k $3.6m | Added +301.1k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio | 678.8k $3.5m | Added +560.5k |
| Lauer Wealth, LLC 2.50% of their portfolio | 610.9k $3.0m | Added +571.6k |
| Bank of New York Mellon Corp 0.00% of their portfolio | 567.9k $2.9m | Added +505.4k |
| Nuveen, LLC 0.00% of their portfolio | 509.6k $2.6m | New |
| Jump Financial, LLC 0.03% of their portfolio | 508.2k $2.6m | New |
| &PARTNERS 0.02% of their portfolio | 468.7k $2.4m | Reduced -9.2k |
| Swiss National Bank 0.00% of their portfolio | 433.0k $2.2m | Added +10.8k |
| ALPS ADVISORS INC 0.01% of their portfolio | 411.0k $2.1m | Added +63.0k |
| Kestra Advisory Services, LLC 0.01% of their portfolio | 408.6k $2.1m | Added +35.9k |
| BANK OF MONTREAL /CAN/ 0.00% of their portfolio | 402.5k $2.1m | New |
| Walleye Trading LLC 0.05% of their portfolio | 389.1k $2.0m | Added +188.2k |
| SABBY MANAGEMENT, LLC 13.48% of their portfolio | 342.3k $1.8m | Reduced -343.4k |
| RHUMBLINE ADVISERS 0.00% of their portfolio | 323.6k $1.7m | Added +319.0k |
| Copperleaf Capital, LLC 0.83% of their portfolio | 320.2k $1.6m | New |
| Polymer Capital Management (US) LLC 0.24% of their portfolio | 289.4k $1.5m | New |
| Verition Fund Management LLC 0.01% of their portfolio | 231.5k $1.2m | Reduced -353.0k |
| CoreCommodity Management, LLC 0.19% of their portfolio | 230.7k $1.2m | Added +49.5k |
| ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio | 226.4k $1.2m | New |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 216.4k $1.1m | Added +126.1k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio | 200.7k $1.0m | Added +13.9k |
| FourThought Financial Partners, LLC 0.10% of their portfolio | 199.5k $1.0m | Reduced -75.1k |
| IMC-Chicago, LLC 0.02% of their portfolio | 193.3k $989.5k | Added +65.6k |
| WINTON GROUP Ltd 0.05% of their portfolio | 186.3k $953.8k | New |
| Scientech Research LLC 0.22% of their portfolio | 179.0k $916.3k | New |
| DEUTSCHE BANK AG\ 0.00% of their portfolio | 175.4k $898.2k | Added +145.2k |
| KEMPNER CAPITAL MANAGEMENT INC. 0.48% of their portfolio | 175.0k $896.0k | Unchanged |
| ZAZOVE ASSOCIATES LLC 0.07% of their portfolio | 175.0k $896.0k | New |
| Virtu Financial LLC 0.04% of their portfolio | 167.3k $856.0k | Added +88.8k |
| DARK FOREST CAPITAL MANAGEMENT LP 0.03% of their portfolio | 149.3k $764.5k | Reduced -185.1k |
| MetLife Investment Management, LLC 0.00% of their portfolio | 134.9k $690.7k | New |
| HSBC HOLDINGS PLC 0.00% of their portfolio | 129.6k $664.6k | Added +85.4k |
| FLPUTNAM INVESTMENT MANAGEMENT CO 0.01% of their portfolio | 129.2k $661.6k | Added +86.8k |
| RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio | 121.5k $622.2k | Reduced -877.6k |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.00% of their portfolio | 115.0k $588.9k | Added +73.9k |
| INTECH INVESTMENT MANAGEMENT LLC 0.01% of their portfolio | 113.8k $582.8k | New |
| WOLVERINE TRADING, LLC 0.01% of their portfolio | 112.6k $496.4k | Added +45.9k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio | 111.2k $570.0k | New |
| Concurrent Investment Advisors, LLC 0.01% of their portfolio | 107.0k $548.0k | New |
| JAMES INVESTMENT RESEARCH, INC. 0.06% of their portfolio | 105.7k $541.4k | Added +46.8k |
| Souders Financial Advisors 0.07% of their portfolio | 101.5k $519.7k | Reduced -25.0k |
| JANUS HENDERSON GROUP PLC 0.00% of their portfolio | 101.4k $518.7k | Unchanged |
| Beacon Pointe Advisors, LLC 0.01% of their portfolio | 96.4k $493.3k | Added +12.7k |
| CITIGROUP INC 0.00% of their portfolio | 92.8k $475.1k | Added +80.2k |
| Brevan Howard Capital Management LP 0.01% of their portfolio | 89.9k $460.2k | Reduced -57.6k |
| Aster Capital Management (DIFC) Ltd 0.10% of their portfolio | 87.7k $449.0k | New |
| Shay Capital LLC 0.10% of their portfolio | 84.5k $432.6k | New |
| Flagship Private Wealth, LLC 0.18% of their portfolio | 82.9k $424.2k | Added +13.6k |
| Meridian Wealth Management, LLC 0.02% of their portfolio | 80.2k $410.4k | Reduced -22.2k |
| HighTower Advisors, LLC 0.00% of their portfolio | 78.5k $402.1k | Added +64.2k |
| BOOTHBAY FUND MANAGEMENT, LLC 0.01% of their portfolio | 77.9k $399.0k | Added +36.6k |
| BERKSHIRE ASSET MANAGEMENT LLC/PA 0.02% of their portfolio | 77.0k $394.2k | Added +10.0k |
| Williams Jones Wealth Management, LLC. 0.00% of their portfolio | 76.5k $391.7k | Added +27.5k |
| RICHARDS, MERRILL & PETERSON, INC. 0.19% of their portfolio | 76.4k $391.0k | Added +4.0k |
| Inspire Investing, LLC 0.04% of their portfolio | 75.8k $388.3k | New |
| Squarepoint Ops LLC 0.00% of their portfolio | 75.3k $385.4k | Reduced -559.0k |
| Aquatic Capital Management LLC 0.01% of their portfolio | 74.8k $382.9k | New |
| JAG CAPITAL MANAGEMENT, LLC 0.04% of their portfolio | 73.5k $376.1k | Added +7.3k |
| Mitsubishi UFJ Asset Management Co., Ltd. 0.00% of their portfolio | 72.2k $369.9k | Reduced -106.6k |
| NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio | 70.4k $360.4k | New |
| LPL Financial LLC 0.00% of their portfolio | 70.3k $359.9k | Added +40.6k |
| Cullen/Frost Bankers, Inc. 0.00% of their portfolio | 70.0k $358.4k | Unchanged |