EOSE | Eos Energy-A | Owners

S&P 500$7,722.72
+0.73%
2m
DOW 30$51,176.96
+0.49%
2m
NASDAQ 100$30,807.93
+1.00%
2m
Russell 2000$281.52
+0.90%
2m
Russell 1000$420.21
+0.78%
2m
S&P 400$3,668.01
+0.96%
2m
S&P 600$1,685.75
+1.21%
2m

Eos Energy-A (EOSE)

NASDAQ

$3.20-$0.006 (-0.19%)

Price as of Oct 02, 2026 7:59 PM EDT

$1.2B
Market Cap
-74.52%
1-Year Change
Electrical Equipment & Parts
Industry

Top Holders

Institutional

Mutual Funds

Holder	Ownership %	Shares Held	Change (Shares, %)	Report Date
BLACKROCK, INC.	9.37%	27.1M	+3.0M (+11.23%)	Jun 30, 2026
VANGUARD GROUP INC	6.43%	18.6M	+3.1M (+16.54%)	Dec 31, 2025
VANGUARD CAPITAL MANAGEMENT LLC	5.19%	15.0M	+185,955 (+1.24%)	Jun 30, 2026
HUDSON BAY CAPITAL MANAGEMENT LP	4.73%	13.7M	+13.7M (+100.00%)	Jun 30, 2026
DRIEHAUS CAPITAL MANAGEMENT LLC	4.68%	13.6M	-1.3M (-9.69%)	Jun 30, 2026
TWO SIGMA INVESTMENTS, LP	4.41%	12.8M	-1.3M (-10.09%)	Jun 30, 2026
CITADEL ADVISORS LLC	3.65%	10.6M	+2.2M (+20.89%)	Jun 30, 2026

Holder	Ownership %	Shares Held	Change (Shares, %)	Report Date
VANGUARD INDEX FUNDS	5.07%	14.7M	+183,050 (+1.25%)	Jun 30, 2026
Virtus Investment Trust	2.52%	7.3M	0 (0.00%)	Jun 30, 2026
FIDELITY SALEM STREET TRUST	1.32%	3.8M	+3.5M (+91.52%)	Jul 31, 2026
Bridge Builder Trust	0.88%	2.5M	0 (0.00%)	Jun 30, 2026
DRIEHAUS MUTUAL FUNDS	0.71%	2.0M	-151,782 (-7.43%)	Jun 30, 2026
SPDR SERIES TRUST	0.69%	2.0M	0 (0.00%)	Jul 31, 2026
VANGUARD SCOTTSDALE FUNDS	0.66%	1.9M	+62,851 (+3.31%)	May 31, 2026

Current Ownership Distribution

Institutions1.8B (77.03%)
Mutual Funds494.5M (21.65%)
Insiders30.1M (1.32%)
Other0 (0.00%)

Insider Transactions

1.32% (30.1M)
Current InsiderOwnership (%, shares)
3
Number of InsiderBuying (last 12 months)
$19.3M
Amount of InsiderBuying (last 12 months)
5
Number of InsiderSelling (last 12 months)
$24.8M
Amount of InsiderSelling (last 12 months)

Insider Name & Title	Type	Date	Transaction Value	Shares	Share Price	Shares After Transactions
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
DIMITRIEF ALEXANDER	Exempt	Jul 21, 2026	$98,075.56	17,897	$5.48	269,296
DIMITRIEF ALEXANDER	Exempt	Jul 21, 2026	$7,545.96	1,377	$5.48	11,377
Martin Marie Batz Chief Legal Officer	Award	Jul 13, 2026	$0.00	216,731	$0.00	216,731