NMIMC
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Northwestern Mutual Investment Management Company’s Southwest Gas SWX Stock Holding History

Northwestern Mutual Investment Management Company’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 		$1.25M Buy
14,392
+19
+0.1% +$1.62K 0.02% 488
2025
Q4 		$1.15M Buy
14,373
+94
+0.7% +$7.53K 0.01% 534
2025
Q3 		$1.12M Buy
14,279
+792
+6% +$61.7K 0.02% 530
2025
Q2 		$1M Buy
13,487
+88
+0.7% +$6.34K 0.02% 554
2025
Q1 		$962K Buy
13,399
+5
+0% +$370 0.02% 557
2024
Q4 		$947K Buy
13,394
+38
+0.3% +$2.82K 0.02% 576
2024
Q3 		$985K Sell
13,356
-81
-0.6% -$5.85K 0.02% 574
2024
Q2 		$946K Buy
13,437
+37
+0.3% +$2.77K 0.02% 551
2024
Q1 		$1.02M Buy
13,400
+35
+0.3% +$2.27K 0.03% 534
2023
Q4 		$847K Buy
13,365
+49
+0.4% +$2.94K 0.02% 588
2023
Q3 		$804K Sell
13,316
-1,269
-9% -$81K 0.02% 556
2023
Q2 		$928K Buy
14,585
+169
+1% +$9.99K 0.02% 519
2023
Q1 		$900K Buy
14,416
+8,705
+152% +$555K 0.02% 510
2022
Q4 		$353K Sell
5,711
-3,193
-36% -$217K 0.01% 684
2022
Q3 		$621K Sell
8,904
-2,285
-20% -$185K 0.02% 526
2022
Q2 		$974K Buy
11,189
+220
+2% +$19.4K 0.02% 386
2022
Q1 		$859K Buy
10,969
+959
+10% +$67.2K 0.02% 537
2021
Q4 		$701K Buy
10,010
+248
+3% +$17.1K 0.01% 688
2021
Q3 		$653K Buy
9,762
+103
+1% +$7.19K 0.01% 685
2021
Q2 		$639K Buy
9,659
+113
+1% +$7.71K 0.01% 699
2021
Q1 		$656K Sell
9,546
-9,994
-51% -$633K 0.01% 676
2020
Q4 		$1.19M Buy
19,540
+361
+2% +$23.8K 0.02% 563
2020
Q3 		$1.32M Hold
19,179
– – 0.02% 412
2020
Q2 		$1.32M Buy
19,179
+200
+1% +$14.5K 0.02% 413
2020
Q1 		$1.32M Buy
18,979
+3,377
+22% +$243K 0.02% 322
2019
Q4 		$1.19M Buy
15,602
+112
+0.7% +$9.11K 0.02% 425
2019
Q3 		$1.41M Buy
15,490
+261
+2% +$23.5K 0.03% 327
2019
Q2 		$1.36M Buy
15,229
+5,786
+61% +$491K 0.03% 325
2019
Q1 		$777K Sell
9,443
-575
-6% -$46K 0.01% 665
2018
Q4 		$766K Buy
10,018
+757
+8% +$60.8K 0.01% 645
2018
Q3 		$732K Sell
9,261
-243
-3% -$19.2K 0.01% 727
2018
Q2 		$725K Sell
9,504
-350
-4% -$25.6K 0.01% 750
2018
Q1 		$666K Buy
9,854
+3,603
+58% +$256K 0.01% 766
2017
Q4 		$503K Buy
6,251
+27
+0.4% +$2.19K 0.01% 705
2017
Q3 		$483K Sell
6,224
-1,962
-24% -$155K 0.01% 712
2017
Q2 		$598K Sell
8,186
-8
-0.1% -$640 0.01% 728
2017
Q1 		$679K Buy
8,194
+11
+0.1% +$897 0.01% 679
2016
Q4 		$627K Buy
8,183
+6
+0.1% +$433 0.01% 669
2016
Q3 		$571K Sell
8,177
-17
-0.2% -$1.25K 0.01% 671
2016
Q2 		$645K Buy
+8,194
New +$566K 0.01% 453

Other funds holding SWX

BlackRock
BlackRock New York $6.73T AUM 46.02% 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 $3.37T AUM 44.26% 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

Northwestern Mutual Investment Management Company's SWX Position: Q1 2026 in Review

Northwestern Mutual Investment Management Company increased its Southwest Gas (SWX) stake by 0.13% in Q1 2026, buying an estimated $1.62K and bringing the position to 14,392 shares worth $1.25M. The position accounts for 0.02% of the portfolio, ranked #488.

Northwestern Mutual Investment Management Company first reported a position in SWX in Q2 2016 and has held it in 40 quarters since. The position peaked at $1.41M in Q3 2019. 396 funds tracked by Wall St. Rank hold SWX as of Q1 2026.

  • Northwestern Mutual Investment Management Company held 14,392 shares of Southwest Gas worth $1.25M as of Q1 2026.
  • Northwestern Mutual Investment Management Company bought 19 Southwest Gas shares in Q1 2026, an estimated $1.62K.
  • Southwest Gas made up 0.02% of Northwestern Mutual Investment Management Company's portfolio in Q1 2026, its #488 holding.
  • Northwestern Mutual Investment Management Company first reported a position in Southwest Gas in Q2 2016 and has held it in 40 quarters since.
  • Northwestern Mutual Investment Management Company's Southwest Gas position peaked at $1.41M in Q3 2019.
  • 396 funds tracked by Wall St. Rank held Southwest Gas as of Q1 2026.

Based on Northwestern Mutual Investment Management Company's 13F filing for Q1 2026, filed 8 May 2026.