First Manhattan
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First Manhattan’s Southwest Gas SWX Stock Holding History

First Manhattan’s Portfolio SWX Stock Details SWX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$356K Hold
4,100
– – ﹤0.01% 627
2025
Q4 		$328K Hold
4,100
– – ﹤0.01% 629
2025
Q3 		$321K Hold
4,100
– – ﹤0.01% 614
2025
Q2 		$305K Hold
4,100
– – ﹤0.01% 616
2025
Q1 		$294K Hold
4,100
– – ﹤0.01% 586
2024
Q4 		$290K Hold
4,100
– – ﹤0.01% 600
2024
Q3 		$302K Sell
4,100
-150
-4% -$10.8K ﹤0.01% 578
2024
Q2 		$299K Sell
4,250
-380
-8% -$28.5K ﹤0.01% 572
2024
Q1 		$352K Sell
4,630
-800
-15% -$51.8K ﹤0.01% 565
2023
Q4 		$344K Sell
5,430
-645
-11% -$38.8K ﹤0.01% 542
2023
Q3 		$367K Sell
6,075
-800
-12% -$51K ﹤0.01% 537
2023
Q2 		$438K Sell
6,875
-2,870
-29% -$170K ﹤0.01% 516
2023
Q1 		$609K Sell
9,745
-320
-3% -$20.4K ﹤0.01% 476
2022
Q4 		$623K Sell
10,065
-420
-4% -$28.6K ﹤0.01% 481
2022
Q3 		$731K Buy
10,485
+900
+9% +$73K ﹤0.01% 448
2022
Q2 		$834K Hold
9,585
– – ﹤0.01% 443
2022
Q1 		$750K Hold
9,585
– – ﹤0.01% 501
2021
Q4 		$671K Sell
9,585
-4,470
-32% -$308K ﹤0.01% 508
2021
Q3 		$939K Sell
14,055
-550
-4% -$38.4K ﹤0.01% 437
2021
Q2 		$966K Sell
14,605
-2,300
-14% -$157K ﹤0.01% 429
2021
Q1 		$1.16M Hold
16,905
– – 0.01% 400
2020
Q4 		$1.03M Sell
16,905
-2,350
-12% -$155K ﹤0.01% 391
2020
Q3 		$1.21M Sell
19,255
-500
-3% -$33.4K 0.01% 366
2020
Q2 		$1.36M Sell
19,755
-200
-1% -$14.5K 0.01% 350
2020
Q1 		$1.39M Buy
19,955
+14,940
+298% +$1.07M 0.01% 338
2019
Q4 		$380K Buy
+5,015
New +$408K ﹤0.01% 572

Other funds holding SWX

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
CM
Corvex Management New York $2.52B AUM 25.53% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
MC
Maverick Capital Dallas, Texas $8.67B AUM 48.76% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Adage Capital Partners
Adage Capital Partners Boston, Massachusetts $64.8B AUM 42.7% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return

First Manhattan's SWX Position: Q1 2026 in Review

First Manhattan held its Southwest Gas (SWX) position steady in Q1 2026 at 4,100 shares worth $356K. The position accounts for ﹤0.01% of the portfolio, ranked #627.

First Manhattan first reported a position in SWX in Q4 2019 and has held it in 26 quarters since. The position peaked at $1.39M in Q1 2020. 395 funds tracked by Wall St. Rank hold SWX as of Q1 2026.

  • First Manhattan held 4,100 shares of Southwest Gas worth $356K as of Q1 2026.
  • First Manhattan left its Southwest Gas share count unchanged in Q1 2026.
  • Southwest Gas made up ﹤0.01% of First Manhattan's portfolio in Q1 2026, its #627 holding.
  • First Manhattan first reported a position in Southwest Gas in Q4 2019 and has held it in 26 quarters since.
  • First Manhattan's Southwest Gas position peaked at $1.39M in Q1 2020.
  • 395 funds tracked by Wall St. Rank held Southwest Gas as of Q1 2026.

Based on First Manhattan's 13F filing for Q1 2026, filed 15 May 2026.