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SWX · Southwest Gas Holdings, Inc. · Holdings

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Market Cap
$6.30B
Shares
72.45M

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: 411
Total Value: $5,982,885,548
Total Shares: 67,466,040
Showing 1–100 of 412 holdings by value · page 1 of 5

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 411 13F filers · Δ vs Mar 31, 2026
Top Holder
16.6%
Sep 2023 → Jun 2026 · range 14.7% – 16.9%
+0.1 pts
Top 5
40.0%
Sep 2023 → Jun 2026 · range 40.0% – 54.8%
−1.6 pts
Top 10
54.1%
Sep 2023 → Jun 2026 · range 54.1% – 66.6%
−1.1 pts
HHI
500
Sep 2023 → Jun 2026 · range 500 – 741
Broadly held−13

Quarterly Activity

vs Mar 31, 2026
New
55
Increased
168
Decreased
117
Sold Out
42
Unchanged
71
Holder count: +13
Institutional value: +5.6%
Shares held: +3.5%

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 412
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1692115 CUSIP 844895102 13F (30d) 200 filings 197 filers Visit website Investor relations