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SEI · Solaris Energy Infrastructure, Inc.

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Market Cap
$3.86B
Shares
76.57M

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: 433
Total Value: $6,208,717,917
Total Shares: 77,165,295
Showing 1–100 of 449 holdings by value · page 1 of 5

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 433 13F filers · Δ vs Mar 31, 2026
Top Holder
6.7%
Sep 2023 → Jun 2026 · range 5.8% – 16.0%
+0.9 pts
Top 5
19.2%
Sep 2023 → Jun 2026 · range 19.2% – 41.7%
+0.0 pts
Top 10
30.4%
Sep 2023 → Jun 2026 · range 30.4% – 57.1%
−2.2 pts
HHI
172
Sep 2023 → Jun 2026 · range 172 – 499
Broadly held−11

Quarterly Activity

vs Mar 31, 2026
New
113
Increased
157
Decreased
128
Sold Out
49
Unchanged
35
Holder count: +64
Institutional value: +54.7%
Shares held: +8.6%

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 449
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1697500 CUSIP 83418M103 13F (30d) 349 filings 344 filers Visit website Investor relations