Southwest Gas Holdings, Inc.
Southwest Gas Holdings, Inc. (SWX) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · SWX · as of Sep 30, 2025
Ownership Breakdown
337
Institutional Holders
▲ 5 vs Q2
$5.17B
Total Inst. Value
▲ $194.02M vs Q2
72.37M
Shares Outstanding
freeFloat 99.32%
66.03M
13F Shares Held
▼ 843,099 vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
SWX largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BLACKROCK, INC. natural gas transmisison & distribution | 9.85M | 13.66% | 13.66% | $771.47B | Nov 12, 2025 | ▼ 27.9K |
VANGUARD GROUP INC natural gas transmisison & distribution | 7.05M | 9.78% | 9.78% | $552.53B | Nov 7, 2025 | ▲ 19.4K |
ICAHN CARL C natural gas transmisison & distribution | 6.03M | 8.37% | 8.37% | $472.59B | Nov 14, 2025 | ▼ 1.50M |
CORVEX MANAGEMENT LP natural gas transmisison & distribution | 5.03M | 6.98% | 6.98% | $394.09B | Nov 14, 2025 | — held |
FMR LLC natural gas transmisison & distribution | 4.80M | 6.66% | 6.66% | $375.99B | Nov 13, 2025 | ▲ 1.21M |
STATE STREET CORP natural gas transmisison & distribution | 2.37M | 3.29% | 3.29% | $185.67B | Nov 14, 2025 | ▲ 51.2K |
MAVERICK CAPITAL LTD natural gas transmisison & distribution | 1.95M | 2.71% | 2.71% | $153.04B | Nov 14, 2025 | ▼ 40.2K |
JPMORGAN CHASE & CO natural gas transmisison & distribution | 1.77M | 2.46% | 2.46% | $138.90B | Nov 26, 2025 | ▲ 1.05M |
GEODE CAPITAL MANAGEMENT, LLC natural gas transmisison & distribution | 1.59M | 2.21% | 2.21% | $124.78B | Nov 12, 2025 | ▲ 48.2K |
T. ROWE PRICE INVESTMENT MANAGEMENT, INC. natural gas transmisison & distribution | 1.49M | 2.06% | 2.06% | $116.59B | Nov 14, 2025 | ▲ 241.3K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
23
Increased
+3.60M shares1
New Positions
first time holders25
Decreased
−2.90M shares0
Sold Out
fully exitedNet shares change (top 50)
+705.1K
+3.60M / −2.90M
Net new holders
-1
1 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
SWX insider trading · insider activity
Source: SEC Form 4
25
Buy transactions
9
Sell transactions
2.78
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Carson Molly R. director | May 7, 2026 | Award | 1,196.37 | — | — | 1.2K | Form 4 ↗ |
Kim Leezie director | May 7, 2026 | Award | 1,196.37 | — | — | 1.2K | Form 4 ↗ |
Haller Karen S President and CEO | Feb 27, 2026 | Tax Withhold | 13,105.277 | $80.02 | $1.05M | 185.8K | Form 4 ↗ |
Timperley Amy L. SVP/Chief Reg. & Public Aff. | Feb 27, 2026 | Tax Withhold | 1,182.367 | $80.02 | $94.6K | 15.1K | Form 4 ↗ |
Williams Julie M. SVP/Cont. Improvement and Opt. | Feb 27, 2026 | Tax Withhold | 3,472.571 | $80.02 | $277.9K | 28.9K | Form 4 ↗ |
Mazzeo Catherine M SVP/Chief Legal/Comp. Officer | Feb 27, 2026 | Tax Withhold | 543.737 | $80.02 | $43.5K | 16.2K | Form 4 ↗ |
Brown Justin L President/Southwest Gas Corp. | Feb 27, 2026 | Tax Withhold | 3,208.776 | $87.60 | $281.1K | 34.5K | Form 4 ↗ |
Brown Justin L President/Southwest Gas Corp. | Feb 27, 2026 | Tax Withhold | 6,838.144 | $80.02 | $547.2K | 27.6K | Form 4 ↗ |
Gabe Randall P. SVP/Chief Administrative OFC | Feb 27, 2026 | Tax Withhold | 2,171.878 | $80.02 | $173.8K | 24.2K | Form 4 ↗ |
Forsberg Justin S SVP/Chief Financial Officer | Feb 27, 2026 | Tax Withhold | 519.918 | $80.02 | $41.6K | 6.9K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Southwest Gas Holdings, Inc. (SWX) is primarily owned by institutional investors, who hold approximately 91.2% of total shares outstanding. Company insiders own approximately 0.68%, while retail and public investors account for the remaining 8.08%.
The largest institutional shareholder of Southwest Gas Holdings, Inc. is BLACKROCK, INC., holding approximately 9.85 million shares — equal to 13.66% of outstanding shares — as of September 30, 2025.
A total of 337 institutional investors currently hold SWX stock, with a combined institutional value of approximately $5.17 billion as of the most recent 13F filing period.
Frequently asked questions
SWX ownershipSouthwest Gas Holdings, Inc. (SWX) is primarily owned by institutional investors, who hold approximately 91.2% of shares. The largest shareholder is BLACKROCK, INC. with a 13.66% stake. Company insiders hold 0.68%. Data sourced from SEC Form 13F as of September 30, 2025.