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SIMPLEX TRADING, LLC

Position in MQ — Marqeta, Inc.

CIK 1488542 CHICAGO, IL

Position in MQ

as of Mar 31, 2026 · filed May 14, 2026
Position Value
$43,864
+$21,155 QoQ
Shares Held
2,688
+124.9% QoQ
Ownership
0.003%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Jun 2021
19 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in MQ Over Time

Shares Held

Position Value (USD)

Position in Software - Infrastructure

Technology · as of Jun 30, 2026

SIMPLEX TRADING, LLC holds $269,813,578 across 72 Software - Infrastructure names.

# Ticker Company Shares Value (USD) Open

All Filings in MQ

Export CSV
19 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $43,864 10,751
2025-12-31 $22,709 4,781
2025-06-30 $178,841 30,676
2025-03-31 $1,510,989 366,745
2024-12-31 $231,690 61,132
2024-09-30 $222,964 45,318
2024-06-30 $128,856 23,514
2024-03-31 $178,513 29,952
2023-12-31 $365,249 52,328
2023-09-30 $253,641 42,415
2023-06-30 $1,102,796 226,447
2023-03-31 $2,014,044 440,710
2022-12-31 $33,647 5,507
2022-09-30 $430,161 60,416
2022-06-30 $351,828 43,382
2022-03-31 $455,090 41,222
2021-12-31 $2,905,335 169,210
2021-09-30 $419,350 18,958
2021-06-30 $484,432 17,258