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ARDSLEY ADVISORY PARTNERS LP

Position in EOSE — Eos Energy Enterprises, Inc.

CIK 900529 Norwalk, CT

Position in EOSE

as of Jun 30, 2026 · filed Jul 13, 2026
Position Value
$3,234,000
+$1,746,000 QoQ
Shares Held
550,000
+83.3% QoQ
Ownership
0.151%
of shares outstanding
% of Portfolio
0.36%
of 13F equity value
Holder Rank
#63
of 346 holders
Holding Since
Mar 2022
13 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in EOSE Over Time

Shares Held

Position Value (USD)

Derivatives in EOSE

reported options exposure · as of Jun 30, 2024
CallValue
$825,500
CallShares
650,000
PutValue
$0
PutShares
0

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Electrical Equipment & Parts

Industrials · as of Jun 30, 2026

ARDSLEY ADVISORY PARTNERS LP holds $16,938,900 across 3 Electrical Equipment & Parts names. EOSE ranks #3 (19.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
3 EOSE
Eos Energy Enterprises, Inc.
This page
550,000 $3,234,000

All Filings in EOSE

Export CSV
16 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $3,234,000 550,000
2026-03-31 $1,488,000 300,000
2025-12-31 $6,360,300 555,000
2025-09-30 $18,224,000 1,600,000
2024-06-30 $825,500 650,000
2024-06-30 $1,905,000 1,500,000
2024-03-31 $3,553,500 3,450,000
2023-12-31 $1,090,000 1,000,000
2023-12-31 $4,773,110 4,379,000
2023-09-30 $2,150,000 1,000,000
2023-09-30 $4,531,125 2,107,500
2023-06-30 $1,395,310 321,500
2023-03-31 $899,500 350,000
2022-12-31 $518,000 350,000
2022-09-30 $838,340 502,000
2022-03-31 $104,500 25,000