$EOSE

$1.85 +$0.03 (1.65%) After hours

$EOSE Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 364.2M shares outstanding

Who owns EOSE?

By type of holder

Institutions 59.9% Insiders 2.8% Everyone else 37.3%

Concentration Top 10 holders own 182.1%

Cerberus Capital Management II, L.P. 48.3% · CCM Denali Equity Holdings, LP 48.3%

Institutional ownership

59.9%

+3.4 pts vs last qtr

Institutional holders

347

+29 vs last qtr

Net shares bought

+12.3M

by institutions in Q2 2026

New / sold out

76 / 47

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Hudson Bay Capital Management LP NEW +13.7M
Graham Capital Management, L.P. NEW +3.6M

Biggest sellers in Q2 2026

Susquehanna International Group, LLP SOLD OUT −6.4M
Marshall Wace, LLP −6.2M

Who is planning to sell?

Notices of proposed sale, last 12 months

$20.9M

25 notices from 12 people

Shares covered

2.2M

0.60% of the company

Arranged in advance

27%

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Stidolph Russell Monoki Director $7.94M
Russ Stidolph Officer $4.41M

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2023–FY2025

+105.4%

+43.33% a year

Each share's claim on the business

−51.3%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

— vs $57.7M

over 3 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years40% 3–5 years10% 1–3 years23% Under 1 year28%

Quarterly turnover

26.2%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting EOSE on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	27.1M	7.45%	+3.0M (+12.6%)	≤2021	0.0%
Shares held by quarter Peak holding27.1M (Q2'26) Change over 8 quarters+23.7M Share of the company7.450% BlackRock, Inc.'s full portfolio →
VC Vanguard Capital Management LLC	15.0M	4.12%	+186.0K (+1.3%)	≤2021	0.0%
Shares held by quarter Peak holding15.0M (Q2'26) Change over 8 quarters+15.0M Share of the company4.120% Vanguard Capital Management LLC's full portfolio →

BlackRock, Inc.

27.1M

% of company

7.45%

Change vs last qtr

+3.0M (+12.6%)

Held since

≤2021

Vanguard Capital Management LLC

15.0M

% of company

4.12%

Change vs last qtr

+186.0K (+1.3%)

Held since

≤2021

28 more super investors behind a free account

See every manager holding Eos Energy Enterprises, Inc., how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting EOSE on Form N-PORT; together they hold 17.1% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$63.3M	10.8M	2.96%	0.00%	June 30, 2026
IR iShares Russell 2000 ETF iShares Trust	$52.7M	9.0M	2.46%	0.06%	June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$63.3M

% of company

2.96%

% of the fund

0.00%

As of

June 30, 2026

iShares Russell 2000 ETF

iShares Trust

Position value

$52.7M

% of company

2.46%

% of the fund

0.06%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding Eos Energy Enterprises, Inc. and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
CC Cerberus Capital Management II, L.P. 5%+ holder 13D · 32.6%	175.8M	48.28%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company48.280% Disclosed stake13D · 32.6% View the 13D/G filing →
CD CCM Denali Equity Holdings, LP 5%+ holder 13D · 32.6%	175.8M	48.28%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company48.280% Disclosed stake13D · 32.6% View the 13D/G filing →

Cerberus Capital Management II, L.P.

5%+ holder13D · 32.6%

175.8M

% of company

48.28%

Change vs last qtr

—

Held since

—

CCM Denali Equity Holdings, LP

5%+ holder13D · 32.6%

175.8M

% of company

48.28%

Change vs last qtr

—

Held since

—

21 more holders behind a free account

See every insider and 5%+ holder of Eos Energy Enterprises, Inc..

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