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SMC

Summit Midstream Corp

Company with tickers: SMC

CIK
2024218
CUSIP
86614G101
Shares Outstanding
13,814,286
13F Activity (30d)
65 filings 63 filers

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: 73
Total Value: $173,440,744
Total Shares: 5,735,476

Institutional Ownership Trend

7 quarters

Holder Concentration

Across 73 13F filers · Δ vs Dec 31, 2025
Top Holder
16.9%
Sep 2024 → Mar 2026 · range 16.7% – 25.8%
+0.2 pts
Top 5
53.4%
Sep 2024 → Mar 2026 · range 53.4% – 66.5%
−3.9 pts
Top 10
69.1%
Sep 2024 → Mar 2026 · range 68.9% – 84.1%
−6.0 pts
HHI
750
Sep 2024 → Mar 2026 · range 750 – 1,181
Broadly held −60

Quarterly Activity

vs Dec 31, 2025
New
15
Increased
24
Decreased
23
Sold Out
7
Unchanged
11
Holder count: +8
Institutional value: +11.9%
Shares held: -1.3%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Showing 77 of 77
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Holder Value (USD) % of 13F Shares Open