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SIMPLEX TRADING, LLC

Position in TW — Tradeweb Markets Inc.

CIK 1488542 CHICAGO, IL

Position in TW

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$19,732
-$119,930 QoQ
Shares Held
198
-83.3% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#484
of 560 holders
Holding Since
Jun 2020
16 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in TW Over Time

Shares Held

Position Value (USD)

Position in Capital Markets

Financial Services · as of Jun 30, 2026

SIMPLEX TRADING, LLC holds $41,008,190 across 31 Capital Markets names. TW ranks #24 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in TW

Export CSV
16 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $19,732 198
2026-03-31 $139,662 1,187
2025-12-31 $303,692 2,824
2025-09-30 $1,722,853 15,524
2024-09-30 $935,934 7,568
2024-06-30 $1,556,398 14,683
2024-03-31 $1,883,497 18,081
2023-12-31 $1,918,385 21,109
2023-09-30 $192,399 2,399
2022-12-31 $207,256 3,192
2022-09-30 $669,987 11,875
2022-06-30 $1,731,912 25,376
2021-12-31 $398,657 3,981
2020-12-31 $138,888 2,224
2020-09-30 $355,540 6,130
2020-06-30 $1,159,893 19,950