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SIMPLEX TRADING, LLC

Position in AAOI — Applied Optoelectronics, Inc.

CIK 1488542 CHICAGO, IL

Position in AAOI

as of Mar 31, 2026 · filed May 14, 2026
Position Value
$3,375,394
-$2,303,578 QoQ
Shares Held
39,903
-75.5% QoQ
Ownership
0.050%
of shares outstanding
% of Portfolio
0.12%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
20 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in AAOI Over Time

Shares Held

Position Value (USD)

Position in Communication Equipment

Technology · as of Mar 31, 2026

SIMPLEX TRADING, LLC holds $49,920,282 across 20 Communication Equipment names. AAOI ranks #3 (6.8% of the industry book) .

# Ticker Company Shares Value (USD) Open
3 AAOI
Applied Optoelectronics, Inc.
This page
39,903 $3,375,394

All Filings in AAOI

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20 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $3,375,394 39,903
2025-12-31 $5,678,972 162,908
2025-09-30 $3,208,707 123,745
2025-03-31 $430,828 28,067
2024-12-31 $1,403,776 38,084
2024-09-30 $803,163 56,126
2024-06-30 $189,907 22,908
2024-03-31 $660,761 47,674
2023-06-30 $701,682 117,732
2023-03-31 $70,428 31,868
2022-09-30 $41,422 15,229
2022-03-31 $46,022 12,609
2021-12-31 $69,091 13,442
2021-09-30 $87,782 12,226
2021-06-30 $103,545 12,225
2021-03-31 $109,758 13,129
2020-12-31 $224,374 26,366
2020-09-30 $200,778 17,847
2020-06-30 $58,806 5,410
2020-03-31 $187,837 24,748