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BSM · Black Stone Minerals, L.P.

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$14.82 +0.23 (+1.58%)
Market Cap
$3.32B
Shares
227.42M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 199
Total Value: $635,430,780
Total Shares: 45,485,388

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 199 13F filers · Δ vs Mar 31, 2026
Top Holder
19.6%
Sep 2023 → Jun 2026 · range 16.4% – 19.6%
+1.0 pts
Top 5
50.8%
Sep 2023 → Jun 2026 · range 44.9% – 50.8%
+0.3 pts
Top 10
64.8%
Sep 2023 → Jun 2026 · range 57.4% – 64.8%
+0.1 pts
HHI
744
Sep 2023 → Jun 2026 · range 584 – 744
Broadly held+22

Quarterly Activity

vs Mar 31, 2026
New
20
Increased
59
Decreased
48
Sold Out
16
Unchanged
72
Holder count: +4
Institutional value: -5.7%
Shares held: +2.1%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 206
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1621434 CUSIP 09225M101 13F (30d) 187 filings 177 filers Visit website Investor relations