Black Stone Minerals LP
Ownership
Ownership Structure
Who owns Black Stone Minerals LP (BSM)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 77.3% of the shares are freely tradable; institutional investors hold 19.0%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Morgan Stanley - Brokerage Accounts | 4.18 | 8,899,403 | +7.6 | 06/30/2026 |
| William Marsh Rice University | 2.66 | 5,663,476 | +0.0 | 09/30/2026 |
| FMR Inc | 2.12 | 4,518,071 | -0.4 | 06/30/2026 |
| Bank of America Corp | 0.98 | 2,080,058 | -1.3 | 06/30/2026 |
| Penn Davis Mcfarland Inc | 0.91 | 1,946,007 | -0.6 | 09/30/2026 |
| Natixis SA | 0.74 | 1,579,900 | +0.0 | 06/30/2026 |
| INVESTMENT MANAGEMENT ASSOCIATES INC /ADV | 0.58 | 1,229,326 | -33.5 | 09/30/2026 |
| Ameriprise Financial Inc | 0.56 | 1,181,399 | +0.0 | 06/30/2026 |
| Long Corridor Asset Management Ltd | 0.41 | 880,000 | +14.0 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Fidelity Dividend Growth | 1.81 | 3,854,046 | +0.0 | 08/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Carter Thomas L Jr | Executive Chairman | 3,732,724 | 53,004,681 $ | Nov 9, 2026 | direct |
| Stuart Alexander D. | Director | 2,041,733 | 28,992,609 $ | Oct 2, 2026 | direct |
| DeWalch D Mark | Director | 434,146 | 6,164,873 $ | Oct 2, 2026 | direct |
| Kyle Jerry V. Jr. | Director | 323,798 | 4,597,932 $ | Oct 2, 2026 | direct |
| Randall William E. | Director | 194,955 | 2,768,361 $ | Oct 2, 2026 | direct |
| Hamman Anne Lenoir | Director | 9,737 | 138,265 $ | Oct 2, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Nov 9, 2026 | Whitehead James | Director | Sell | 25,152 | 13.42 | 337,557 |
| Nov 9, 2026 | Whitehead James | Director | Sell | 646,058 | 13.42 | 8,670,551 |
| Nov 9, 2026 | Carter Thomas L Jr | Executive Chairman | Buy | 50,000 | 13.73 | 686,290 |
| Oct 2, 2026 | Hamman Anne Lenoir | Director | Other | 1,309 | 14.32 | 18,745 |
| Oct 2, 2026 | Randall William E. | Director | Other | 1,571 | 14.32 | 22,497 |
| Oct 2, 2026 | Stuart Alexander D. | Director | Other | 1,658 | 14.32 | 23,743 |
| Oct 2, 2026 | DeWalch D Mark | Director | Other | 1,309 | 14.32 | 18,745 |
| Oct 2, 2026 | Kyle Jerry V. Jr. | Director | Other | 1,309 | 14.32 | 18,745 |
| Aug 18, 2026 | Stuart Alexander D. | Director | Other | 15,900 | 0.00 | – |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: November 13, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.