Southwest Gas Holdings, Inc. (SWX) ownership: Top institutional holder: BlackRock, Inc. ($933.93M). Insider activity: Net Seller (8 buys, 12 sells). 3 recent congressional STOCK Act disclosures. SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| BlackRock, Inc. | 10747131.00 | $933.93M | 2026-03-31 |
| VANGUARD GROUP INC | 7011420.00 | $561.05M | 2025-12-31 |
| ICAHN CARL C | 6032604.00 | $482.73M | 2025-12-31 |
| FMR LLC | 5161957.00 | $448.57M | 2026-03-31 |
| Corvex Management LP | 4318161.00 | $375.25M | 2026-03-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 3855767.00 | $335.07M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 3008299.00 | $261.42M | 2026-03-31 |
| BlackRock Fund Advisors | 2874954.00 | $220.28M | 2016-12-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-05-07 | |
| Sell | null | 2026-05-07 | |
| Buy | null | 2026-02-27 | |
| Buy | null | 2026-02-27 | |
| Buy | null | 2026-02-27 | |
| Buy | null | 2026-02-27 | |
| Buy | null | 2026-02-27 | |
| Buy | null | 2026-02-27 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.