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O'Brien Greene & Co. Inc

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

CIK 1768635 MEDIA, PA

Position in BSM

as of Jun 30, 2026 · filed Aug 6, 2026
Position Value
$977,900
-$534,100 QoQ
Shares Held
70,000
-30.0% QoQ
Ownership
0.031%
of shares outstanding
% of Portfolio
0.30%
of 13F equity value
Holder Rank
#67
of 197 holders
Holding Since
Dec 2020
23 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

O'Brien Greene & Co. Inc holds $12,317,135 across 4 Oil & Gas E&P names. BSM ranks #2 (7.9% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 BSM
Black Stone Minerals, L.P.
This page
70,000 $977,900

All Filings in BSM

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23 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $977,900 70,000
2026-03-31 $1,512,000 100,000
2025-12-31 $1,329,000 100,000
2025-09-30 $1,314,000 100,000
2025-06-30 $1,308,000 100,000
2025-03-31 $1,527,000 100,000
2024-12-31 $1,460,000 100,000
2024-09-30 $1,510,000 100,000
2024-06-30 $1,567,000 100,000
2024-03-31 $1,598,000 100,000
2023-12-31 $1,596,000 100,000
2023-09-30 $1,723,000 100,000
2023-06-30 $1,754,500 110,000
2023-03-31 $1,725,900 110,000
2022-12-31 $1,855,700 110,000
2022-09-30 $5,164,500 330,000
2022-06-30 $1,505,900 110,000
2022-03-31 $1,346,000 100,000
2021-12-31 $826,400 80,000
2021-09-30 $698,900 58,000
2021-06-30 $430,000 40,000
2021-03-31 $348,800 40,000
2020-12-31 $200,400 30,000