EOS ENERGY ENTERPRISES INC (EOSE) Institutional Shareholders
EOS ENERGY ENTERPRISES INC (EOSE) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $1.34B in EOSE holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of EOSE tracked by InsiderSet, reporting ownership valued at approximately $159.53M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $96.04M, representing an estimated loss of -39.80% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 54% of the total disclosed EOSE value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Vanguard Capital Management Llc, Hudson Bay Capital Management Lp, and several other long-term asset managers with concentrated positions in EOS ENERGY ENTERPRISES INC (EOSE).
This page ranks the largest institutional EOSE shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
341
Total Reported Value
$1.34B
Largest Holder
Blackrock, Inc.
Largest Position
$159.53M
Insider Transactions (90d)
36
Latest Filing Quarter
Q2 2026
New Institutional Positions
58
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.00% | 27,130,305 | $159,526,194 | $96,041,280 | -$63,484,914 | -39.80% | |
| Vanguard Capital Management Llc | 0.00% | 15,021,392 | $88,325,785 | $53,175,728 | -$35,150,057 | -39.80% | |
| Hudson Bay Capital Management Lp | 0.41% | 13,683,634 | $80,459,768 | $48,440,064 | -$32,019,704 | -39.80% | |
| Driehaus Capital Management Llc | 0.46% | 13,556,010 | $79,709,339 | $47,988,275 | -$31,721,064 | -39.80% | |
| Two Sigma Investments, Lp | 0.06% | 12,783,883 | $75,169,232 | $45,254,946 | -$29,914,286 | -39.80% | |
| State Street Corp | 0.00% | 10,154,935 | $59,711,018 | $35,948,470 | -$23,762,548 | -39.80% | |
| Susquehanna International Group, Llp | 0.05% | 9,683,190 | $56,937,157 | $34,278,493 | -$22,658,664 | -39.80% | |
| Geode Capital Management, Llc | 0.00% | 8,894,922 | $52,311,712 | $31,488,024 | -$20,823,688 | -39.81% | |
| Electron Capital Partners, Llc | 1.57% | 6,681,859 | $39,289,331 | $23,653,781 | -$15,635,550 | -39.80% | |
| Morgan Stanley | 0.00% | 5,313,829 | $31,245,315 | $18,810,955 | -$12,434,360 | -39.80% | |
| Stifel Financial Corp | 0.02% | 4,418,639 | $25,981,609 | $15,641,982 | -$10,339,627 | -39.80% | |
| Crystal Cove Asset Management, Llc | 27.49% | 4,285,181 | $25,196,864 | $15,169,541 | -$10,027,323 | -39.80% | |
| Ubs Group Ag | 0.00% | 3,908,447 | $22,981,669 | $13,835,902 | -$9,145,767 | -39.80% | |
| Legal & General Group Plc | 0.00% | 3,899,815 | $22,930,913 | $13,805,345 | -$9,125,568 | -39.80% | |
| Graham Capital Management, L.P. | 0.56% | 3,566,446 | $20,970,702 | $12,625,219 | -$8,345,483 | -39.80% | |
| Citadel Advisors Llc | 0.01% | 3,310,130 | $19,463,564 | $11,717,860 | -$7,745,704 | -39.80% | |
| Vanguard Portfolio Management Llc | 0.00% | 3,289,703 | $19,343,454 | $11,645,549 | -$7,697,905 | -39.80% | |
| Northern Trust Corp | 0.00% | 2,906,986 | $17,093,078 | $10,290,730 | -$6,802,348 | -39.80% | |
| Charles Schwab Investment Management Inc | 0.00% | 2,831,969 | $16,651,978 | $10,025,170 | -$6,626,808 | -39.80% | |
| Sixth Street Partners Management Company, L.P. | 0.00% | 2,831,969 | $16,651,978 | $10,025,170 | -$6,626,808 | -39.80% | |
| Mirae Asset Global Etfs Holdings Ltd. | 0.02% | 2,515,677 | $15,238,700 | $8,905,497 | -$6,333,203 | -41.56% | |
| Bnp Paribas Asset Management Holding S.A. | 0.02% | 2,573,001 | $15,129,246 | $9,108,424 | -$6,020,822 | -39.80% | |
| Vanguard Fiduciary Trust Co | 0.00% | 2,435,848 | $14,322,786 | $8,622,902 | -$5,699,884 | -39.80% | |
| Capital Fund Management S.A. | 0.09% | 2,181,499 | $12,827,214 | $7,722,506 | -$5,104,708 | -39.80% | |
| Alyeska Investment Group, L.P. | 0.03% | 2,044,968 | $12,024,412 | $7,239,187 | -$4,785,225 | -39.80% | |
| Polar Capital Holdings Plc | 0.03% | 2,010,000 | $11,818,800 | $7,115,400 | -$4,703,400 | -39.80% | |
| Exoduspoint Capital Management, Lp | 0.11% | 2,004,017 | $11,783,620 | $7,094,220 | -$4,689,400 | -39.80% | |
| Cable Car Capital, Lp | 0.25% | 2,000,000 | $11,760,000 | $7,080,000 | -$4,680,000 | -39.80% | |
| Invesco Ltd. | 0.00% | 1,592,940 | $9,366,489 | $5,639,008 | -$3,727,481 | -39.80% | |
| Dnb Asset Management As | 0.02% | 1,303,796 | $7,666,320 | $4,615,438 | -$3,050,882 | -39.80% | |
| Bank Of America Corp | 0.00% | 1,275,000 | $7,496,999 | $4,513,500 | -$2,983,499 | -39.80% | |
| Millennium Management Llc | 0.01% | 1,261,955 | $7,420,295 | $4,467,321 | -$2,952,974 | -39.80% | |
| Simplex Trading, Llc | 0.19% | 1,240,664 | $7,295,104 | $4,391,951 | -$2,903,153 | -39.80% | |
| Ursa Fund Management, Llc | 1.89% | 1,235,459 | $7,264,499 | $4,373,525 | -$2,890,974 | -39.80% | |
| Boothbay Fund Management, Llc | 0.13% | 1,221,783 | $7,184,084 | $4,325,112 | -$2,858,972 | -39.80% | |
| Barings Llc | 0.13% | 1,204,430 | $7,082,048 | $4,263,682 | -$2,818,366 | -39.80% | |
| Masters Capital Management Llc | 0.99% | 1,200,000 | $7,056,000 | $4,248,000 | -$2,808,000 | -39.80% | |
| Quarry Lp | 1.08% | 1,166,288 | $6,857,773 | $4,128,660 | -$2,729,113 | -39.80% | |
| Wellington Management Group Llp | 0.00% | 1,155,515 | $6,794,428 | $4,090,523 | -$2,703,905 | -39.80% | |
| Baker Avenue Asset Management, Lp | 0.12% | 1,076,715 | $6,331,082 | $3,811,571 | -$2,519,511 | -39.80% | |
| Group One Trading Llc | 0.18% | 1,061,192 | $6,239,809 | $3,756,620 | -$2,483,189 | -39.80% | |
| Nuveen, Llc | 0.00% | 1,057,846 | $6,220,134 | $3,744,775 | -$2,475,359 | -39.80% | |
| Bank Of New York Mellon Corp | 0.00% | 940,515 | $5,530,227 | $3,329,423 | -$2,200,804 | -39.80% | |
| First Trust Advisors Lp | 0.00% | 936,963 | $5,509,342 | $3,316,849 | -$2,192,493 | -39.80% | |
| Walleye Trading Llc | 0.07% | 907,229 | $5,334,507 | $3,211,591 | -$2,122,916 | -39.80% | |
| Quantinno Capital Management Lp | 0.01% | 895,105 | $5,263,217 | $3,168,672 | -$2,094,545 | -39.80% | |
| Baird Financial Group, Inc. | 0.01% | 863,479 | $5,077,257 | $3,056,716 | -$2,020,541 | -39.80% | |
| Goldman Sachs Group Inc | 0.00% | 833,561 | $4,901,339 | $2,950,806 | -$1,950,533 | -39.80% | |
| Lpl Financial Llc | 0.00% | 793,271 | $4,664,433 | $2,808,179 | -$1,856,254 | -39.80% | |
| Fmr Llc | 0.00% | 787,444 | $4,630,170 | $2,787,552 | -$1,842,618 | -39.80% |
Frequently asked questions about EOSE
Who owns the most EOSE stock?
The largest holders of EOSE are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for EOS ENERGY ENTERPRISES INC (EOSE).
Is EOSE widely held by superinvestors?
Many widely followed stocks like EOSE appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly EOSE is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.