Black Stone Minerals
192 hedge funds and large institutions have $658M invested in Black Stone Minerals in 2026 Q1 according to their latest regulatory filings, with 18 funds opening new positions, 53 increasing their positions, 43 reducing their positions, and 15 closing their positions.
244% more call options, than puts
Call options by funds: $13.2M | Put options by funds: $3.82M
23% more repeat investments, than reductions
Existing positions increased: 53 | Existing positions reduced: 43
22% more capital invested
Capital invested by funds: $541M → $658M (+$117M)
20% more first-time investments, than exits
New positions opened: 18 | Existing positions closed: 15
1.33% more ownership
Funds ownership: 19.17% → 20.5% (+1.3%)
1% less funds holding
Funds holding: 193 → 192 (-1)
11% less funds holding in top 10
Funds holding in top 10: 9 → 8 (-1)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Fidelity Investments
Boston,
Massachusetts
|
+$39.4M |
| 2 |
Ameriprise
Minneapolis,
Minnesota
|
+$17.5M |
| 3 |
Morgan Stanley
New York
|
+$17.3M |
| 4 |
LCAM
Long Corridor Asset Management
Hong Kong
|
+$11.4M |
| 5 |
BF
BOK Financial
Tulsa,
Oklahoma
|
+$1.45M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
NU
Northwestern University
Evanston,
Illinois
|
-$15.7M |
| 2 |
UBS Group
Zurich,
Switzerland
|
-$6.24M |
| 3 |
Citadel Advisors
Miami,
Florida
|
-$3.25M |
| 4 |
Citigroup
New York
|
-$3.08M |
| 5 |
RFC
Regions Financial Corp
Birmingham,
Alabama
|
-$2.81M |
BSM Hedge Fund Activity: Q1 2026 in Review
192 of the 8,187 institutional investors tracked by Wall St. Rank reported a position in Black Stone Minerals (BSM) for Q1 2026, worth a combined $658M — up 22% from $541M a quarter earlier.
Buyers outnumbered sellers: 18 funds opened new BSM positions and 15 closed out — a net gain of 3 holders — while 53 added to existing stakes and 43 trimmed.
The largest buyer was Fidelity Investments, adding an estimated $39.4M. The largest seller was Northwestern University, exiting entirely with an estimated $15.7M sold.
- 192 institutional investors held Black Stone Minerals (BSM) as of Q1 2026, down from 193 in Q4 2025.
- Funds reported $658M of Black Stone Minerals stock for Q1 2026, up 22% quarter-over-quarter.
- 18 funds opened new Black Stone Minerals positions in Q1 2026 and 15 closed out, a net change of +3 holders.
- The largest Black Stone Minerals buyer in Q1 2026 was Fidelity Investments, an estimated $39.4M added.
- The largest Black Stone Minerals seller in Q1 2026 was Northwestern University, an estimated $15.7M sold.
Based on aggregated 13F filings for Q1 2026.