BLACK STONE MINERALS L P (BSM): Ownership & Insider Activity
Hedge funds and institutional managers reporting a position in BSM · Energy. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
5
13F filers
Aggregate Value
$3.3M
Across holders
Last Price
$14.82
2026-10-19
Sector
Energy
GICS
Quarterly fund activity3 increased2 reduced0 exited
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 89K | $1.2M | 37.3% | 0.0% | Added | $-188K | Q2 2026 |
| TWEEDY BROWNE CO LLC// CIK 0000732905 | Institutional Manager | 84K | $1.2M | 34.9% | 0.1% | Added | +$86K | Q2 2026 |
| Rockefeller Capital Management L.P. CIK 0001739439 | Hedge Fund | 35K | $486K | 14.6% | 0.0% | Added | +$425K | Q2 2026 |
| First Eagle Investment Management, LLC CIK 0001325447 | Institutional Manager | 29K | $409K | 12.3% | 0.0% | Reduced | $-10K | Q2 2026 |
| Ancora Advisors, LLC CIK 0001446114 | Hedge Fund | 2K | $31K | 0.9% | 0.0% | Reduced | $-384K | Q2 2026 |
Added
Hedge Fund
$1.2M· 37.3% of total· 0.0% port· 89K sh· $-188K QoQ· Q2 2026
Added
Institutional Manager
$1.2M· 34.9% of total· 0.1% port· 84K sh· +$86K QoQ· Q2 2026
Added
Hedge Fund
$486K· 14.6% of total· 0.0% port· 35K sh· +$425K QoQ· Q2 2026
Reduced
Institutional Manager
$409K· 12.3% of total· 0.0% port· 29K sh· $-10K QoQ· Q2 2026
Reduced
Hedge Fund
$31K· 0.9% of total· 0.0% port· 2K sh· $-384K QoQ· Q2 2026
Recent insider activity
Form 4 purchases and sales · 24 Jul 2026 – 21 Oct 20260 buyers · $01 sellers · $28.1M2 transactions
| Insider ⇅ | Trades ⇅ | Bought ⇅ | Sold ⇅ | Largest ⇅ | Latest ▼ | |
|---|---|---|---|---|---|---|
| Whitehead James Director | 2 0 buy · 2 sell | — | $28.1M | $21.5M | 6 Aug 2026SEC ↗ |
Distinct buyers and sellers may overlap. “Largest” is the largest reported transaction value in this window. Expand a row to see up to five recent filings.