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SIMPLEX TRADING, LLC

Position in BSM — Black Stone Minerals, L.P.

CIK 1488542 CHICAGO, IL

Position in BSM

as of Mar 31, 2026 · filed May 14, 2026
Position Value
$895,663
+$522,587 QoQ
Shares Held
59,237
+111.0% QoQ
Ownership
0.026%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
18 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in BSM Over Time

Shares Held

Position Value (USD)

Position in Oil & Gas E&P

Energy · as of Jun 30, 2026

SIMPLEX TRADING, LLC holds $13,936,424 across 35 Oil & Gas E&P names.

# Ticker Company Shares Value (USD) Open

All Filings in BSM

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18 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $895,663 59,237
2025-12-31 $373,076 28,072
2025-09-30 $40,011 3,045
2025-06-30 $45,950 3,513
2024-12-31 $629,610 43,124
2024-09-30 $706,876 46,813
2024-06-30 $371,473 23,706
2024-03-31 $14,941 935
2023-12-31 $348,997 21,867
2023-06-30 $94,296 5,912
2022-12-31 $530,477 31,445
2022-09-30 $75,354 4,815
2021-12-31 $337,956 32,716
2021-03-31 $2,371 272
2020-12-31 $38,683 5,791
2020-09-30 $121,123 19,727
2020-06-30 $174,915 26,910
2020-03-31 $27,583 5,894