BLACK STONE MINERALS LP (BSM) Institutional Buying Activity
Institutional investors tracked by InsiderSet increased exposure to BLACK STONE MINERALS LP (BSM) during the quarter ended March 31, 2026 through a combination of new purchases and expanded existing positions disclosed in SEC Form 13F filings.
The largest institutional buyer of BSM during the latest reporting period was Tweedy, Browne Co All Funds (US), which increased its reported BSM position by approximately $416,329.314 based on quarter-end filing values. Several additional hedge funds and long-term asset managers also reported meaningful increases in BSM exposure during the quarter.
Institutional buying activity can provide insight into investor conviction, sector allocation trends, and smart money positioning toward BLACK STONE MINERALS LP (BSM). InsiderSet tracks quarterly accumulation trends, new institutional positions, ownership increases, and estimated performance of newly disclosed holdings using SEC filing data and recent market prices.
The investors highlighted on this page collectively added approximately $1.82M in reported BSM exposure during the latest filing period, reflecting continued institutional interest in BLACK STONE MINERALS LP's growth initiatives and strategic positioning.
| Portfolio quarter | Name | Type | Quantity | Remaining | Reported stock balance |
|---|---|---|---|---|---|
| Q1 2026 | Tweedy, Browne Co All Funds (US) | Buy | 27,535 | 77,364 | $1,169,744 |
| Q1 2026 | First Eagle U.S. Value | Buy | 7,743 | 30,003 | $453,645 |
| Q1 2026 | Cullen Value Fund | Buy | 329 | 16,721 | $252,816 |
| Q4 2025 | Tweedy, Browne Co All Funds (US) | Buy | 7,128 | 49,829 | $662,227 |
| Q4 2025 | Cullen Value Fund | Buy | 351 | 16,392 | $225,227 |
| Q3 2025 | Tweedy, Browne Co All Funds (US) | Buy | 21,846 | 42,701 | $561,091 |
| Q3 2025 | First Eagle U.S. Value | Buy | 7,696 | 22,260 | $292,496 |
| Q3 2025 | Cullen Value Fund | Buy | 374 | 16,041 | $213,988 |
| Q2 2025 | Tweedy, Browne Co All Funds (US) | Buy | 20,855 | 20,855 | $272,783 |
| Q2 2025 | Cullen Value Fund | Buy | 413 | 15,667 | $204,924 |
| Q1 2025 | First Eagle U.S. Value | Buy | 8,849 | 14,564 | $222,392 |
| Q1 2025 | Cullen Value Fund | Buy | 372 | 15,254 | $232,927 |
| Q4 2024 | Cullen Value Fund | Buy | 357 | 14,882 | $217,282 |
| Q4 2024 | First Eagle U.S. Value | Buy | 181 | 5,715 | $83,439 |
| Q3 2024 | Cullen Value Fund | Buy | 364 | 14,525 | $219,322 |
| Q3 2024 | First Eagle U.S. Value | Buy | 71 | 5,534 | $83,563 |
| Q2 2024 | Cullen Value Fund | Buy | 322 | 14,161 | $221,905 |
| Q2 2024 | First Eagle U.S. Value | Buy | 103 | 5,463 | $85,605 |
| Q1 2024 | Cullen Value Fund | Buy | 415 | 13,839 | $228,204 |
| Q4 2023 | Cullen Value Fund | Buy | 13,424 | 13,424 | $214,251 |
| Q3 2023 | First Eagle U.S. Value | Buy | 319 | 7,444 | $128,260 |
| Q2 2023 | First Eagle U.S. Value | Buy | 7,125 | 7,125 | $113,644 |
| Q2 2019 | Renaissance Technologies LLC | Buy | 106,742 | 261,442 | $4,052 |
| Q1 2019 | Renaissance Technologies LLC | Buy | 57,500 | 154,700 | $2,729 |
| Q3 2018 | Renaissance Technologies LLC | Buy | 268,454 | 288,581 | $5,255 |
| Q1 2018 | Renaissance Technologies LLC | Buy | 6,443 | 20,127 | $333 |
| Q3 2016 | Renaissance Technologies LLC | Buy | 107,600 | 325,700 | $5,801 |
| Q2 2016 | Renaissance Technologies LLC | Buy | 108,600 | 218,100 | $3,381 |
| Q1 2016 | Renaissance Technologies LLC | Buy | 109,500 | 109,500 | $1,534 |
Frequently asked questions about BSM activity
Which institutional owners are buying BSM?
Institutional owners buying BSM include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in BSM activity?
"Buy" means an investor increased their reported position in BSM compared to the prior reporting period. This reflects growing exposure to BLACK STONE MINERALS LP (BSM) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in BSM increasing?
Institutional interest in BSM can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.