Southwest Gas Holdings Inc
Ownership
Ownership Structure
Who owns Southwest Gas Holdings Inc (SWX)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 99.3% of the shares are freely tradable; institutional investors hold 92.2%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 15.43 | 11,181,201 | +4.0 | 06/30/2026 |
| FMR Inc | 7.70 | 5,575,126 | +8.0 | 06/30/2026 |
| Vanguard Portfolio Management, LLC | 5.48 | 3,973,510 | +3.1 | 06/30/2026 |
| Corvex Management LP | 4.43 | 3,208,538 | -25.7 | 06/30/2026 |
| Vanguard Capital Management, LLC | 4.21 | 3,047,616 | +1.3 | 06/30/2026 |
| State Street Corp | 3.60 | 2,607,181 | +7.7 | 06/30/2026 |
| Geode Capital Management, LLC | 2.88 | 2,086,964 | +22.2 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Mid-Cap ETF | 3.56 | 2,581,052 | +0.0 | 09/30/2026 |
| Vanguard MStar Total Stk Mkt Idx Invest | 3.02 | 2,191,036 | +0.2 | 09/30/2026 |
| iShares Russell 2000 ETF | 2.66 | 1,929,066 | -0.9 | 09/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Williams Julie M. | SVP/Cont. Improvement and Opt. | 26,450 | 2,462,476 $ | Sep 28, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 28, 2026 | Williams Julie M. | SVP/Cont. Improvement and Opt. | Sell | 2,500 | 81.81 | 204,519 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: October 30, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.