SOUTHWEST GAS HOLDINGS INC (SWX) Top Institutional Shareholders
SOUTHWEST GAS HOLDINGS INC (SWX) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026. The institutional investors covered on this page collectively reported approximately $5.42B in SWX holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of SWX tracked by InsiderSet, reporting ownership valued at approximately $933.93M in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $936.08M, representing an estimated gain of +0.23% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 58% of the total disclosed SWX value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Fmr Llc, Corvex Management Lp, and several other long-term asset managers with concentrated positions in SOUTHWEST GAS HOLDINGS INC (SWX).
This page ranks the largest institutional SWX shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
390
Total Reported Value
$5.42B
Largest Holder
Blackrock, Inc.
Largest Position
$933.93M
Insider Transactions (90d)
0
Latest Filing Quarter
Q1 2026
New Institutional Positions
81
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.02% | 10,747,131 | $933,925,696 | $936,075,110 | +$2,149,414 | +0.23% | |
| Fmr Llc | 0.02% | 5,161,957 | $448,574,055 | $449,606,455 | +$1,032,400 | +0.23% | |
| Corvex Management Lp | 14.92% | 4,318,161 | $375,248,191 | $376,111,823 | +$863,632 | +0.23% | |
| Vanguard Portfolio Management Llc | 0.02% | 3,855,767 | $335,066,152 | $335,837,306 | +$771,154 | +0.23% | |
| Vanguard Capital Management Llc | 0.01% | 3,008,299 | $261,421,183 | $262,022,843 | +$601,660 | +0.23% | |
| State Street Corp | 0.01% | 2,421,535 | $210,431,392 | $210,915,699 | +$484,307 | +0.23% | |
| Maverick Capital Ltd | 2.15% | 2,126,927 | $184,829,956 | $185,255,342 | +$425,386 | +0.23% | |
| Geode Capital Management, Llc | 0.01% | 1,708,006 | $148,450,917 | $148,767,323 | +$316,406 | +0.21% | |
| Adage Capital Partners Gp, L.L.C. | 0.20% | 1,475,000 | $128,177,500 | $128,472,500 | +$295,000 | +0.23% | |
| Aqr Capital Management Llc | 0.05% | 1,163,978 | $101,149,681 | $101,382,484 | +$232,803 | +0.23% | |
| Channing Capital Management, Llc | 2.46% | 1,106,831 | $96,183,614 | $96,404,980 | +$221,366 | +0.23% | |
| Principal Financial Group Inc | 0.05% | 1,071,793 | $93,138,812 | $93,353,170 | +$214,358 | +0.23% | |
| Dimensional Fund Advisors Lp | 0.02% | 1,054,750 | $91,660,176 | $91,868,725 | +$208,549 | +0.23% | |
| Gabelli Funds Llc | 0.57% | 966,089 | $83,953,134 | $84,146,352 | +$193,218 | +0.23% | |
| River Road Asset Management, Llc | 0.89% | 903,750 | $78,535,875 | $78,716,625 | +$180,750 | +0.23% | |
| Bank Of New York Mellon Corp | 0.01% | 846,251 | $73,539,203 | $73,708,462 | +$169,259 | +0.23% | |
| Charles Schwab Investment Management Inc | 0.01% | 833,953 | $72,470,516 | $72,637,306 | +$166,790 | +0.23% | |
| Fuller & Thaler Asset Management, Inc. | 0.24% | 829,634 | $72,095,152 | $72,261,121 | +$165,969 | +0.23% | |
| Northern Trust Corp | 0.01% | 794,255 | $69,020,760 | $69,179,611 | +$158,851 | +0.23% | |
| Gamco Investors, Inc. Et Al | 0.67% | 782,818 | $68,026,884 | $68,183,448 | +$156,564 | +0.23% | |
| Nomura Asset Management International Inc. | 0.11% | 760,462 | $66,084,000 | $66,236,240 | +$152,240 | +0.23% | |
| Brookfield Corp | 0.08% | 699,626 | $60,797,499 | $60,937,425 | +$139,926 | +0.23% | |
| Goldman Sachs Group Inc | 0.01% | 695,594 | $60,447,120 | $60,586,237 | +$139,117 | +0.23% | |
| Morgan Stanley | 0.00% | 670,343 | $58,252,910 | $58,386,875 | +$133,965 | +0.23% | |
| Zimmer Partners, Lp | 1.29% | 606,922 | $52,741,522 | $52,862,906 | +$121,384 | +0.23% | |
| Balyasny Asset Management L.P. | 0.10% | 565,916 | $49,178,100 | $49,291,284 | +$113,184 | +0.23% | |
| Point72 Asset Management, L.P. | 0.08% | 514,794 | $44,735,599 | $44,838,557 | +$102,958 | +0.23% | |
| Nuveen, Llc | 0.01% | 491,826 | $42,739,680 | $42,838,045 | +$98,365 | +0.23% | |
| First Trust Advisors Lp | 0.03% | 489,729 | $42,557,444 | $42,655,396 | +$97,952 | +0.23% | |
| Victory Capital Management Inc | 0.03% | 484,552 | $42,107,569 | $42,204,479 | +$96,910 | +0.23% | |
| Renaissance Technologies LLC | Jim Simons | 0.06% | 459,000 | $39,887,100 | $39,978,900 | +$91,800 | +0.23% |
| Citadel Advisors Llc | 0.03% | 435,739 | $37,865,719 | $37,952,867 | +$87,148 | +0.23% | |
| Neuberger Berman Group Llc | 0.03% | 427,037 | $37,129,801 | $37,194,923 | +$65,122 | +0.18% | |
| Invesco Ltd. | 0.01% | 425,187 | $36,948,750 | $37,033,788 | +$85,038 | +0.23% | |
| Vanguard Fiduciary Trust Co | 0.01% | 420,651 | $36,554,572 | $36,638,702 | +$84,130 | +0.23% | |
| Bank Of America Corp | 0.00% | 395,336 | $34,354,680 | $34,433,766 | +$79,086 | +0.23% | |
| Ubs Group Ag | 0.01% | 393,500 | $34,195,150 | $34,273,850 | +$78,700 | +0.23% | |
| Man Group Plc | 0.05% | 287,562 | $24,989,138 | $25,046,650 | +$57,512 | +0.23% | |
| Jacobs Levy Equity Management, Inc | 0.10% | 271,861 | $23,624,721 | $23,679,093 | +$54,372 | +0.23% | |
| New York State Common Retirement Fund | 0.03% | 261,347 | $22,711,054 | $22,763,324 | +$52,270 | +0.23% | |
| Barclays Plc | 0.01% | 249,295 | $21,663,736 | $21,713,595 | +$49,859 | +0.23% | |
| Wellington Management Group Llp | 0.00% | 227,805 | $19,796,254 | $19,841,816 | +$45,562 | +0.23% | |
| Kayne Anderson Capital Advisors Lp | 0.36% | 216,680 | $18,829,492 | $18,872,828 | +$43,336 | +0.23% | |
| Rhumbline Advisers | 0.02% | 214,687 | $18,656,277 | $18,699,238 | +$42,961 | +0.23% | |
| Hudson Bay Capital Management Lp | 0.10% | 178,366 | $15,500,005 | $15,535,679 | +$35,674 | +0.23% | |
| California Public Employees Retirement System | 0.01% | 177,961 | $15,464,811 | $15,500,403 | +$35,592 | +0.23% | |
| Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas Llc | 0.00% | 166,660 | $14,482,755 | $14,516,086 | +$33,331 | +0.23% | |
| Verbena Value Lp | 2.36% | 166,246 | $14,446,777 | $14,480,027 | +$33,250 | +0.23% | |
| Bw Gestao De Investimentos Ltda. | 0.64% | 165,257 | $14,360,833 | $14,393,885 | +$33,052 | +0.23% | |
| Exchange Traded Concepts, Llc | 0.11% | 164,933 | $14,332,678 | $14,365,664 | +$32,986 | +0.23% |
Frequently asked questions about SWX
Who owns the most SWX stock?
The largest holders of SWX are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for SOUTHWEST GAS HOLDINGS INC (SWX).
Is SWX widely held by superinvestors?
Many widely followed stocks like SWX appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly SWX is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.