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SIMPLEX TRADING, LLC

Position in TUSK — Mammoth Energy Services, Inc.

CIK 1488542 CHICAGO, IL

Position in TUSK

as of Mar 31, 2026 · filed May 14, 2026
Position Value
$13,568
+$6,795 QoQ
Shares Held
5,538
+128.9% QoQ
Ownership
0.011%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Jun 2020
18 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in TUSK Over Time

Shares Held

Position Value (USD)

Position in Conglomerates

Industrials · as of Mar 31, 2026

SIMPLEX TRADING, LLC holds $2,205,456 across 11 Conglomerates names. TUSK ranks #9 (0.6% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in TUSK

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18 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $13,568 5,538
2025-06-30 $6,773 2,419
2025-03-31 $22,601 11,079
2024-12-31 $3,915 1,305
2024-06-30 $26,440 8,061
2023-12-31 $159,632 35,792
2023-09-30 $30,141 6,496
2023-03-31 $21,201 5,024
2022-12-31 $302,559 34,978
2022-09-30 $12,330 3,616
2022-06-30 $18,607 8,458
2022-03-31 $11,659 5,474
2021-12-31 $15,191 8,347
2021-09-30 $16,560 5,691
2021-06-30 $26,121 5,691
2021-03-31 $29,611 5,566
2020-12-31 $3,844 864
2020-06-30 $3,591 3,044