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GROUP ONE TRADING LLC

Position in OPTT — Ocean Power Technologies, Inc.

CIK 932540 CHICAGO, IL

Position in OPTT

as of Mar 31, 2026 · filed May 13, 2026
Position Value
$49,220
-$61,589 QoQ
Shares Held
140,631
-61.9% QoQ
Ownership
0.062%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2021
18 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in OPTT Over Time

Shares Held

Position Value (USD)

Position in Specialty Industrial Machinery

Industrials · as of Mar 31, 2026

GROUP ONE TRADING LLC holds $16,288,635 across 26 Specialty Industrial Machinery names. OPTT ranks #18 (0.3% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in OPTT

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18 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $49,220 140,631
2025-12-31 $110,809 369,365
2025-09-30 $61,040 122,080
2024-12-31 $121,941 119,550
2024-09-30 $15,898 99,366
2024-06-30 $7,131 35,655
2024-03-31 $176 655
2023-12-31 $1,944 6,077
2023-09-30 $2,370 6,077
2023-06-30 $3,646 6,077
2023-03-31 $3,220 6,077
2022-12-31 $4,419 9,822
2022-09-30 $6,996 8,532
2022-06-30 $4,777 8,532
2022-03-31 $12,030 8,532
2021-12-31 $9,963 6,732
2021-09-30 $20,026 8,632
2021-03-31 $3,697 1,117