13F Insight
DOSSIER · 13F Holders · Q1 2026Utilities · Natural Gas Transmisison & DistributionCyclicalNet sold
SWX

SOUTHWEST GAS HLDGS INC

405 institutions still hold SOUTHWEST GAS HLDGS INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 844895102·Natural Gas Transmisison & Distribution·405 13F holders·last filed Mar 31, 2026
Market cap
—
▲ 7.8%
vs prior quarter
13F value held
$3.9B
45.0% inst. owned
of float
Holders
405
-43 QoQ
filers reporting
Activity
+8 / −9
+832 added · −784 reduced
this quarter
Concentration
23.79%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q1 2026

405 institutions reported SWX in Q1 2026. BlackRock, Inc. leads at 23.8% of the visible book. -43 net institutions QoQ — distribution reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$934M10.7M0.02%Q1 202602
FMR LLC
CIK 0000315066
$449M5.2M0.02%Q1 202603
Corvex Management LP
CIK 0001535472
$375M4.3M14.92%Q1 202604
Vanguard Portfolio Management
CIK 0002100121· Index
$335M3.9M0.02%Q1 202605
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$261M3.0M0.01%Q1 202606
STATE STREET CORP
CIK 0000093751
$210M2.4M0.01%Q1 202607
MAVERICK CAPITAL LTD
CIK 0000934639
$185M2.1M2.13%Q1 202608
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$148M1.7M0.01%Q1 202609
ADAGE CAPITAL PARTNERS GP, L.L.C.
CIK 0001165408
$128M1.5M0.20%Q1 202610
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
$101M1.2M0.05%Q1 202611
Channing Capital Management, LLC
CIK 0001302404
$96M1.1M2.46%Q1 202612
PRINCIPAL FINANCIAL GROUP INC
CIK 0001126328
$93M1.1M0.05%Q1 202613
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$92M1.1M0.02%Q1 202614
GABELLI FUNDS LLC
CIK 0001081407
$84M966K0.57%Q1 202615
River Road Asset Management, LLC
CIK 0001341401
$79M904K0.89%Q1 202616
Bank of New York Mellon Corp
CIK 0001390777
$74M846K0.01%Q1 202617
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
CIK 0000884546· Index
$72M834K0.01%Q1 202618
FULLER & THALER ASSET MANAGEMENT, INC.
CIK 0001082327
$72M830K0.24%Q1 202619
NORTHERN TRUST CORP
CIK 0000073124· Index
$69M794K0.01%Q1 202620
GAMCO INVESTORS, INC. ET AL
CIK 0000807249
$68M783K0.67%Q1 2026
Page 1 of 21
385 more holders available. Log in →