Security key
09225M101
Black Stone Minerals, L.P. - Common Units Representing Limited Partner Interests (BSM)
CUSIP: 09225M101
Q3 2026 13F Holders as of 30 Sep 2026
- Security type / class
- Equity / Common Units Representing Limited Partner Interests
- Total 13F shares
- 10,809,644
- Total 13F value
- $154,813,925
- Share change
- -999,399
- SEC-reported price per share
- $14.32
- Number of holders
- 51
- Value change
- -$14,281,662
- Number of buys
- 18
- Number of sells
- 15
- Shares outstanding
- 211,971,231
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q3 2026
Institutions
51
Top holders
10
BSM full security history
Ownership snapshot
Full 13F holder table
Black Stone Minerals, L.P. SEC filings
Black Stone Minerals, L.P. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 09225M101
Recent filing periods:
Ownership snapshot
Top reported holders of BSM - Black Stone Minerals, L.P. - Common Units Representing Limited Partner Interests (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
MORGAN STANLEY
Disclosed value leader
Thomas L. Carter Jr.
Comparable rows
1/15
Latest evidence
06 Aug 2026
13D/G
13F
3/4/5
Lead comparable stake: 5.2%
14 rows are not safely comparable across share classes.
13D/G row: MORGAN STANLEY
Showing 1-6 of 15 holder rows.
Quick read
MORGAN STANLEY leads the comparable SEC ownership view at 5.2%.
1 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens MORGAN STANLEY's linked filing trail.
Comparable ownership
Top 1
MORGAN STANLEY
5.2%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| MORGAN STANLEY |
13D/G
13F
Company
|
5.2%
Reported 13D/G
· 06 Aug 2026
|
$163,133,059
11,022,504 shares
|
$0 | 06 Aug 2026 |
| Thomas L. Carter Jr. |
3/4/5
Executive Chairman, Director
|
—
denominator unverified
|
$227,754,749
15,457,747 shares
|
+$924,455 | 13 May 2026 |
| William Marsh Rice University |
13F
Company
|
—
denominator unverified
|
$79,118,760
5,663,476 shares
|
— | 30 Jun 2026 |
| FMR LLC |
13F
Company
|
—
denominator unverified
|
$63,117,452
4,518,071 shares
|
— | 30 Jun 2026 |
| John H. Longmaid |
3/4/5
Director
|
—
denominator unverified
|
$61,331,624
3,821,285 shares
|
— | 11 Jan 2024 |
| James Whitehead |
3/4/5
Director
|
—
denominator unverified
|
$56,849,823
4,104,569 shares
|
-$28,099,057 | 06 Aug 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q3 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
51
Shares
10,809,644
Rows available
51
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q3 2026 vs Q2 2026 Across Filers
Q2 2026 holders
200
Q3 2026 holders
51
Holder diff
-149
| Investor | Q2 2026 Shares | Q3 2026 Shares | Share Diff | Share Chg % | Q2 2026 value | Q3 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend