411 institutional investment managers reported SWX positions in their Form 13F filings for Q2 2026, holding 67,448,771 shares worth $6.0B in total. BlackRock, Inc. reported the largest position.

Are funds buying or selling SWX?

In Q2 2026, 51 managers opened new SWX positions, 165 added, 115 trimmed and 39 sold out. Managers that filed in both quarters added a net 2,288,122 shares.

How current is this SWX institutional ownership data?

It covers holdings as of the end of Q2 2026. Managers have 45 days after the quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.

Funds · SWX

Who owns SWX?

Institutional ownership of Southwest Gas Holdings Inc. from Form 13F, Q2 2026

411 institutional managers reported holding Southwest Gas Holdings Inc. (SWX) in Form 13F filings for Q2 2026, with 67,448,771 shares worth $6.0B. The largest reported holder was BlackRock, Inc. Managers that filed both quarters added a net 2,288,122 shares (+3.5%). 51 opened new positions and 39 sold out.

Funds holding: 411
Value held: $6.0B
New / sold out: 51 / 39
Net shares, same filers: +3.5%

Holdings as of June 30, 2026, the end of Q2 2026. Managers have 45 days after a quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.

Largest holders of SWX

Fund	Value	Share of 13F holdings	Shares	Move
BlackRock, Inc.	$992M	16.6%	11,181,201	Added
FMR LLC	$494M	8.3%	5,575,126	Added
Vanguard Portfolio Management LLC	$352M	5.9%	3,973,510	Added
Corvex Management LP	$285M	4.8%	3,208,538	Trimmed
Vanguard Capital Management LLC	$270M	4.5%	3,047,616	Added
State Street Corp	$231M	3.9%	2,607,181	Added
Geode Capital Management, LLC	$185M	3.1%	2,086,964	Added
Maverick Capital LTD	$168M	2.8%	1,889,558	Trimmed
AQR Capital Management LLC	$142M	2.4%	1,603,686	Added
Adage Capital Partners GP, L.l.c.	$120M	2.0%	1,354,517	Trimmed
T. Rowe Price Investment Management, Inc.	$101M	1.7%	1,140,210	Added
Channing Capital Management, LLC	$95.3M	1.6%	1,074,868	Trimmed
Dimensional Fund Advisors LP	$93.9M	1.6%	1,058,783	Added
Principal Financial Group Inc	$87.4M	1.5%	985,861	Trimmed
Gabelli Funds LLC	$84.3M	1.4%	950,843	Trimmed
Norges Bank	$84.1M	1.4%	948,095	New
Northern Trust Corp	$79.1M	1.3%	892,391	Added
Goldman Sachs Group Inc	$77.1M	1.3%	869,554	Added
River Road Asset Management, LLC	$76.7M	1.3%	865,242	Trimmed
Bank of New York Mellon Corp	$74.3M	1.2%	838,118	Trimmed
Fuller & Thaler Asset Management, Inc.	$71.0M	1.2%	800,855	Trimmed
Charles Schwab Investment Management Inc	$69.9M	1.2%	788,678	Trimmed
Gamco Investors, Inc. Et Al	$67.8M	1.1%	764,194	Trimmed
Nomura Asset Management International Inc.	$64.9M	1.1%	731,516	Trimmed
Brookfield Corp	$58.0M	1.0%	653,957	Trimmed

Share of 13F holdings is each fund's shares as a share of the 67,448,771 SWX shares all 13F filers reported, not of shares outstanding.

Biggest buyers in Q2 2026

Norges Bank New+$84.1M
AQR Capital Management LLC Added+$39.0M
BlackRock, Inc. Added+$38.5M
FMR LLC Added+$36.6M
Geode Capital Management, LLC Added+$33.6M
Massachusetts Financial Services Co Added+$33.0M
Jacobs Levy Equity Management, Inc Added+$27.7M
Weiss Asset Management LP Added+$23.0M
Kennedy Capital Management LLC New+$19.4M
Aventail Capital Group, LP Added+$16.8M

Biggest sellers in Q2 2026

Corvex Management LP Trimmed-$98.4M
Zimmer Partners, LP Trimmed-$44.2M
Balyasny Asset Management L.P. Trimmed-$34.0M
Maverick Capital LTD Trimmed-$21.0M
Morgan Stanley Trimmed-$18.8M
Citadel Advisors LLC Trimmed-$17.7M
Point72 Asset Management, L.P. Trimmed-$16.1M
Man Group plc Trimmed-$15.7M
Invesco Ltd. Trimmed-$14.7M
BW Gestao de Investimentos Ltda. Sold out-$14.4M

The change in shares since the quarter before, adjusted for stock splits and priced at the Q2 2026 value per share. Funds bought $659M and sold $455M; 165 added and 115 trimmed.

Schedule 13D and 13G filings on SWX

Owners of more than 5% must file within days, so these can be newer than the 13F data.

2025-08-06FMR LLC SCHEDULE 13G filed by Southwest Gas Holdings Inc.Schedule 13G

Questions about SWX ownership

Who owns SWX stock?: 411 institutional investment managers reported SWX positions in their Form 13F filings for Q2 2026, holding 67,448,771 shares worth $6.0B in total. BlackRock, Inc. reported the largest position.
Are funds buying or selling SWX?: In Q2 2026, 51 managers opened new SWX positions, 165 added, 115 trimmed and 39 sold out. Managers that filed in both quarters added a net 2,288,122 shares.
How current is this SWX institutional ownership data?: It covers holdings as of the end of Q2 2026. Managers have 45 days after the quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.

From the SEC's Form 13F data sets for Q2 2026: every 13F holdings report, matched to SWX by CUSIP. Options are left out. SWX news and filings · SWX insider trades · Top funds