BSM · NYSE · Oil & Gas Exploration & Production

Black Stone Minerals

Owns and manages U.S. oil and natural-gas mineral and royalty interests.

$14.75
After-hours close0.00 (0.00%)
At close$14.75(−1.21%)

Breakdown13F · Form 4

Institutions 21.14%Insiders

Shares outstanding 212.50M · Float 171.14M · 80.5% free float

Top shareholders13F · 13D/G · Form 4

HolderShares% outstandingFormFiled
Morgan Stanley11.02M5.20%13GAug 20, 2026
William Marsh Rice University5.66M2.67%13FJul 23, 2026
FMR LLC4.52M2.13%13FAug 13, 2026
Bank of America Corp /DE/2.08M0.98%13FAug 14, 2026
Penn Davis Mcfarland Inc1.96M0.92%13FJul 15, 2026

Institutions13F, as of Jun 30, 2026

209 holders · 44.93M shares · 20 new positions · 78 increased · 51 reduced · 13 closed

HolderShares% outstandingChg q/qFiled
Morgan Stanley8.90M4.19%+627.6KAug 13, 2026
William Marsh Rice University5.66M2.67%0Jul 23, 2026
FMR LLC4.52M2.13%−19.1KAug 13, 2026
Bank of America Corp /DE/2.08M0.98%−27.2KAug 14, 2026
Penn Davis Mcfarland Inc1.96M0.92%−1.5KJul 15, 2026
Investment Management Associates Inc /Adv1.85M0.87%−52.8KAug 3, 2026
Natixis1.58M0.74%0Aug 13, 2026
Ameriprise Financial Inc1.18M0.56%0Aug 14, 2026

Beneficial owners13D/G · 5% or more, as filed

Holder% of classSharesFormFiled
Morgan Stanley5.20%11.02M13GAug 20, 2026

InsidersForm 4

Latest trades

DateInsiderTypeSharesAvg priceOwned after
Aug 6, 2026
James Whiteheaddirector
Sale · 2 lots2,127,105$13.210
May 29, 2026
D. Mark DeWalchdirector
Purchase36,363$13.48594,885
Jun 1, 2026
D. Mark DeWalchdirector
Purchase36,363$13.62631,248
May 28, 2026
D. Mark DeWalchdirector
Purchase37,650$13.21431,495
May 13, 2026
Thomas L. Jr Carterdirector, officer: Executive Chairman
Purchase1,120$13.503,682,724
May 12, 2026
Ashley J. Longmaiddirector
Sale11,128$13.45137,335
May 8, 2026
Thomas L. Jr Carterdirector, officer: Executive Chairman
Purchase23,604$13.323,637,450
May 11, 2026
Thomas L. Jr Carterdirector, officer: Executive Chairman
Purchase25,000$13.473,662,450
May 12, 2026
Thomas L. Jr Carterdirector, officer: Executive Chairman
Purchase19,154$13.483,681,604
May 5, 2026
Luke Stevens Putmanofficer: SVP, General Counsel, and Sec
Sale29,386$13.75702,645

CongressHouse and Senate disclosures

Not reported.