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GROUP ONE TRADING LLC

Position in FCEL — Fuelcell Energy Inc

CIK 932540 CHICAGO, IL

Position in FCEL

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$25,075,671
+$24,743,830 QoQ
Shares Held
696,353
+1270.3% QoQ
Ownership
1.03%
of shares outstanding
% of Portfolio
0.85%
of 13F equity value
Holder Rank
#19
of 220 holders
Holding Since
Mar 2020
21 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in FCEL Over Time

Shares Held

Position Value (USD)

Position in Electrical Equipment & Parts

Industrials · as of Jun 30, 2026

GROUP ONE TRADING LLC holds $55,808,267 across 19 Electrical Equipment & Parts names. FCEL ranks #1 (44.9% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 FCEL
Fuelcell Energy Inc
This page
696,353 $25,075,671

All Filings in FCEL

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21 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $25,075,671 696,353
2026-03-31 $331,841 50,818
2024-09-30 $32,296 84,991
2024-06-30 $64,314 100,491
2024-03-31 $108,441 91,127
2023-12-31 $325,638 203,524
2023-09-30 $111,247 86,912
2023-06-30 $214,710 99,403
2023-03-31 $227,484 79,819
2022-12-31 $311,343 111,994
2022-09-30 $739,001 216,716
2022-06-30 $1,366,042 364,278
2022-03-31 $2,424,879 420,986
2021-12-31 $3,817,366 734,109
2021-09-30 $3,592,697 537,025
2021-06-30 $5,168,345 580,713
2021-03-31 $6,668,659 462,780
2020-12-31 $6,880,664 615,995
2020-09-30 $421,171 196,809
2020-06-30 $897,131 396,961
2020-03-31 $156,828 103,860