Southwest Gas Holdings, Inc. (SWX)
NYSE: SWX · Natural Gas Transmisison & Distribution · Las Vegas, NV · filing with the SEC since 2017
Who owns Southwest Gas Holdings, Inc.
As filed with the SECHolders of 5% or more
3
Blackrock, Inc. holds 15.1% of Common Stock, as its SCHEDULE 13G/A filed Oct 27, 2026 says.
Directors and officers
20
report now, of 43 people on the record since 2016. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 3 named at left.
Holders of 5% or moreshare of the class, as filed
Blackrock, Inc.
SCHEDULE 13G/A · filed Oct 27, 2026 · Common Stock
Fmr LLC
SCHEDULE 13G/A · filed Feb 5, 2026 · COMMON STOCK · 6.7% in Nov 5, 2025
Vanguard Portfolio Management
SCHEDULE 13G · filed Apr 29, 2026 · Common Stock
Corvex Management LP
SCHEDULE 13D/A · filed May 8, 2026 · Common Stock, par value $1 per share · reported falling below 5%, from 7% in May 28, 2025
Icahn Capital LP
SCHEDULE 13D/A · filed Jan 29, 2026 · Common Stock, Par Value $1.00 per share · reported falling below 5%, from 6.6% in Jan 21, 2026
The Vanguard Group
SCHEDULE 13G/A · filed Mar 27, 2026 · Common Stock · reported falling below 5%
What SWX reports owning in othersstakes of 5% or more, and other ties
Centuri Holdings, Inc. CTRI
SCHEDULE 13G/A · filed Sep 5, 2025 · Common Stock, par value $0.01 per share · reported falling below 5%
Other ties the annual report names
Centuri Holdings, Inc.
An entity · legal entity · owns, named in the 10-K filed Feb 25, 2026
MountainWest Pipelines Holding Company
An entity · legal entity · owns, named in the 10-K filed Feb 25, 2026
Southwest Gas Corporation
An entity · legal entity · owns, named in the 10-K filed Feb 25, 2026
7 subsidiaries in 1 country, from the list filed with the 10-K filed Feb 25, 2026.
Insider tradesForm 4
2sales
0purchases
1sales on a scheduled plan
2people selling
$500,000sold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Sep 30, 2025 to Sep 30, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Sep 30, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window2 of 46 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Brown Justin L | President/Southwest Gas Corp. | 1 | $200,000 | 1 | 0 | $0 |
| Williams Julie M. | SVP/Cont. Improvement and Opt. | 1 | $200,000 | 0 | 0 | $0 |