analyzeportfolio
Nasdaq · Technology

Eos Energy Enterprises, Inc. (EOSE)

As-reported financials and SEC filings for Eos Energy Enterprises, Inc. The latest annual period is FY2025. The latest reported quarter is Q2 FY2026. Financial statements come straight from the company’s EDGAR filings; valuation figures such as P/E and market cap use market data.

Snapshot

Revenue
$114.2M
Revenue growth (YoY)
631.8%
Net income
$-969.6M
Diluted EPS
$-6.69
Gross margin
—
Operating margin
—
Net margin
—
FCF margin
—
ROE
—
net income / fiscal-year-end equity
P/E
n/m
not meaningful: a reported loss in the fiscal year or the trailing twelve months
Market cap
$781.2M
Long-term debt / equity
—
non-current term debt only

Fundamentals are from SEC filings for FY2025, the latest annual period (ended December 31, 2025). P/E and market cap are derived from stored market prices, last retrieved on a rolling basis and typically within the past week.

What changed at Eos Energy Enterprises

  • Revenue grew 631.8% to $114M in FY2025, after a 4.7% decline the year before.
  • Operating margin is -227.0% in FY2025, +2703.0 pp against -2930.1% in FY2021.
  • Most recent quarter Q2 FY2026: revenue $69M, up 351.4% from Q2 FY2025.
  • Free cash flow was negative $265M in FY2025.
  • Net loss widened to $970M in FY2025, from $686M in FY2024.

Computed from the as-reported figures in the statements below. A change we cannot state from filed figures is left out rather than estimated.

Peer comparison

Where Eos Energy Enterprises’s fundamentals sit among the 627 Technology companies. Each figure is ranked only against peers that report it, from lowest (left) to highest (right).

Revenue growth (YoY)+631.8%
99th percentile of 618
Short interest4.69d
67th percentile of 624

Eos Energy Enterprises’s revenue growth of +631.8% ranks in the 99th percentile of the 618 Technology companies reporting it.

2 reported insider purchases (code P) totaling $58,700 in the last 90 days, against 6 sales totaling $2.3M. For context, about 15% of companies in the universe saw any reported insider purchase (code P) in the same window. Browse insider activity →

Percentiles describe where a figure sits among sector peers reporting it (100th = highest). They are position within a peer group, not a rating, and not investment advice. Short interest ranking uses days to cover from FINRA Consolidated Short Interest data; FINRA is the owner and source of that data, included at no additional charge.

Institutional ownership

Held by 1 of the superinvestors we track (plus 5 quant / multi-strat books), based on each investor’s most recent 13F; periods vary by investor (newest: Q2 2026).

Conviction investors
1
+5 quant / multi-strat
Initiated / added
2
1 new, 1 added
Reduced / exited
5
4 trimmed, 1 exited
Combined position
$108.0M
reported long value
InvestorAs ofPosition valueSharesChange
Two Sigma InvestmentsquantQ2 2026$75.2M12.8MReduced
Citadel AdvisorsquantQ2 2026$19.5M3.3MReduced
Millennium ManagementquantQ2 2026$7.4M1.3MReduced
Bridgewater AssociatesQ2 2026$3.7M633.1KNew
D. E. ShawquantQ2 2026$1.5M252.6KAdded
AQR Capital ManagementquantQ2 2026$695,216118.2KReduced

No longer held by: Renaissance Technologies (as of Q2 2026)

From quarterly Form 13F filings, which can be up to 45 days delayed. Long US-listed positions only: excludes short positions, options, cash, bonds, and non-US holdings, so this is not a manager’s complete portfolio. Counts are of the investors we track, not all institutions. Not investment advice.

Recent insider activity

Non-derivative buys and sells (codes P/S) reported by officers, directors and 10% owners on SEC Form 4.

Buys (90d)
2
1 insider
Bought (90d)
$59K
code P value
Sells (90d)
6
$2.3M
Reported activity
Net selling
by $ value, 90d
Trade dateInsiderTypeSharesPriceValue
2026-09-16
Joe MastrangeloChief Executive OfficerSell250.0K$3.92$980K
2026-09-16
Sumeet PuriChief Accounting OfficerSell43.8K$3.92$172K
2026-09-14
filed 2026-09-15
Haiyan SongDirectorBuy5.0K$3.84$19K
2026-09-11
filed 2026-09-15
Haiyan SongDirectorBuy10.0K$3.95$40K
2026-09-09
Sumeet PuriChief Accounting OfficerSell34.2K$4.13$141K
2026-07-28
Nathan KroekerChief Commercial OfficerSell110.4K$3.36$371K
2026-07-28
Sumeet PuriChief Accounting OfficerSell29.2K$3.36$98K
2026-07-27
filed 2026-07-28
Joe MastrangeloChief Executive OfficerSell159.2K$3.61$575K
2026-07-07
Nathan KroekerCCO and Interim CFOSell79.3K$4.68$371K
2026-06-30
Nathan KroekerCCO and Interim CFOSell35.3K$5.86$207K
2026-06-30
Michael W. SilbermanChief Legal OfficerSell15.0K$5.87$88K
2026-06-30
Michelle BuczkowskiChief Administration OfficerSell11.5K$5.87$67K

Reported non-derivative purchases and sales (codes P/S), which may be open-market or private. Excludes option exercises, grants, and shares withheld for taxes. Dates shown are the trade date; a Form 4 can be filed days to years later. A sale can be routine (e.g. a pre-set 10b5-1 plan), so read individual transactions in context. From SEC Form 4. Not investment advice.

Short interest

Total shares sold short as of each twice-monthly FINRA settlement. Rising short interest means more investors are positioned against the stock; days to cover estimates how many trading days of average volume that position represents.

Shares short
134.8M
settled 2026-09-30
Change vs prior
+12.4%
vs previous settlement
Days to cover
4.69
at avg daily volume
Avg daily volume
28.8M
FINRA reported
SettlementShares shortChangeDays to cover
2026-09-30134.8M+12.4%4.69
2026-09-15120.0M+7.8%4.13
2026-08-31111.3M-1.3%4.95
2026-08-14112.8M-2.6%4.11
2026-07-31115.7M+9.3%4.36
2026-07-15105.9M+0.9%3.93
2026-06-30105.0M+4.0%4.04
2026-06-15101.0M-2.4%5.02

Source: FINRA Consolidated Short Interest. FINRA is the owner and source of the FINRA-supplied data, which is included at no additional charge for your own personal or professional use; republishing or redistributing it is not permitted. Settlement dates are shown; FINRA publishes each settlement about nine business days later, so the latest figure can be two to four weeks old. Not presented as a percentage of float. No FINRA endorsement of this product is implied. Not investment advice.

Income statement (as reported)

 FY2025FY2024FY2023FY2022FY2021
Revenue$114.2M$15.6M$16.4M$17.9M$4.6M
Gross profit
Operating income$-259.3M$-175.2M$-152.9M$-221.3M$-134.7M
Net income$-969.6M$-685.9M$-229.5M$-229.8M$-124.2M
Diluted EPS$-6.69$-4.55$-1.81

Figures as reported to the SEC. Underlined values link to the filing they came from; dotted values are calculated by us from reported figures; “adj” means restated for a stock split (tap or hover a figure to see how it was calculated or what was filed). Full details: where the numbers come from.

Balance sheet (as reported)

Figures as reported to the SEC. Underlined values link to the filing they came from; dotted values are calculated by us from reported figures; “adj” means restated for a stock split (tap or hover a figure to see how it was calculated or what was filed). Full details: where the numbers come from.

Cash flow (as reported)

 FY2025FY2024FY2023FY2022FY2021
Operating cash flow$-211.2M$-153.9M$-145.0M$-196.9M$-116.1M
Capital expenditure$53.8M$33.2M$29.3M$20.1M$15.6M
Free cash flow

Figures as reported to the SEC. Underlined values link to the filing they came from; dotted values are calculated by us from reported figures; “adj” means restated for a stock split (tap or hover a figure to see how it was calculated or what was filed). Full details: where the numbers come from.

Quarterly trend

QuarterRevenueRevenue YoYNet incomeDiluted EPS
Q2 FY2026$68.8M351.4%$-275.7M$-1.20
Q1 FY2026$57.0M444.7%$508.9M—
Q4 FY2025699.6%
Q3 FY2025$30.5M3472.8%$-641.4M—
Q2 FY2025$15.2M1596.7%$-222.9M$-1.05
Q1 FY2025$10.5M58.4%$15.1M—
Q4 FY20249.7%
Q3 FY2024$854,00024.9%$-342.9M$-1.77

Latest 8 quarters, from company XBRL filings on SEC EDGAR. A dotted underline marks a fourth-quarter figure we calculated from the full year and the first nine months. Revenue YoY is our calculation too: each quarter against the same quarter a year earlier.

Company facts

ExchangeNasdaq
SectorTechnology
SIC industryMiscellaneous Electrical Machinery, Equipment & Supplies
Latest annual periodFY2025 (ended December 31, 2025)
Latest reported quarterQ2 FY2026 (ended June 30, 2026)
Oldest indexed filing2020
SEC CIK1805077

Selected SEC filings

10-Q2026-08-05
View on EDGAR →
8-K/A2026-09-16
View on EDGAR →
8-K2026-09-14
View on EDGAR →
8-K2026-08-25
View on EDGAR →
8-K2026-08-06
View on EDGAR →

Largest Technology peers

All Technology companies →

Monitor EOSE

Get an alert when Eos Energy Enterprises files something material, see which superinvestors own it, and ask its filings a question with cited answers.

Monitor EOSE free

Includes one free filing-grounded research answer. Or check your whole portfolio, no account needed.

Data sourced from SEC EDGAR. Figures are as-reported and may be unaudited or restated; verify against the source filing before relying on them. Informational only. Not investment advice.