NMIMC
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Northwestern Mutual Investment Management Company’s Antero Midstream AM Stock Holding History

Northwestern Mutual Investment Management Company’s Portfolio AM Stock Details AM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$1.7M Buy
74,792
+604
+0.8% +$13.1K 0.02% 415
2026
Q1 		$1.69M Sell
74,188
-404
-0.5% -$8.35K 0.03% 372
2025
Q4 		$1.33M Sell
74,592
-67
-0.1% -$1.21K 0.02% 463
2025
Q3 		$1.45M Sell
74,659
-238
-0.3% -$4.3K 0.02% 422
2025
Q2 		$1.42M Buy
74,897
+407
+0.5% +$7.27K 0.02% 420
2025
Q1 		$1.34M Sell
74,490
-391
-0.5% -$6.47K 0.02% 421
2024
Q4 		$1.13M Buy
74,881
+140
+0.2% +$2.13K 0.03% 505
2024
Q3 		$1.12M Sell
74,741
-1,519
-2% -$22.1K 0.03% 513
2024
Q2 		$1.12M Buy
76,260
+292
+0.4% +$4.19K 0.03% 488
2024
Q1 		$1.07M Buy
75,968
+195
+0.3% +$2.49K 0.03% 509
2023
Q4 		$949K Buy
75,773
+240
+0.3% +$3.03K 0.02% 550
2023
Q3 		$905K Buy
75,533
+915
+1% +$10.8K 0.02% 504
2023
Q2 		$866K Buy
74,618
+310
+0.4% +$3.29K 0.02% 556
2023
Q1 		$779K Buy
74,308
+43,311
+140% +$461K 0.02% 573
2022
Q4 		$334K Sell
30,997
-17,373
-36% -$184K 0.01% 706
2022
Q3 		$444K Sell
48,370
-6,086
-11% -$60K 0.01% 686
2022
Q2 		$493K Buy
54,456
+527
+1% +$5.48K 0.01% 721
2022
Q1 		$586K Sell
53,929
-18,248
-25% -$185K 0.01% 726
2021
Q4 		$699K Buy
72,177
+18,544
+35% +$192K 0.01% 689
2021
Q3 		$559K Buy
53,633
+5,932
+12% +$58.2K 0.01% 743
2021
Q2 		$496K Sell
47,701
-4,224
-8% -$40.3K 0.01% 802
2021
Q1 		$469K Sell
51,925
-46,405
-47% -$400K 0.01% 803
2020
Q4 		$758K Buy
98,330
+508
+0.5% +$3.44K 0.01% 745
2020
Q3 		$499K Hold
97,822
– – 0.01% 795
2020
Q2 		$499K Sell
97,822
-5,338
-5% -$23.6K 0.01% 797
2020
Q1 		$217K Sell
103,160
-730,170
-88% -$3.48M ﹤0.01% 866
2019
Q4 		$6.33M Sell
833,330
-830,024
-50% -$5.25M 0.11% 67
2019
Q3 		$12.3M Buy
1,663,354
+73,705
+5% +$636K 0.27% 37
2019
Q2 		$18.2M Sell
1,589,649
-127,824
-7% -$1.64M 0.43% 29
2019
Q1 		$23.7M Buy
+1,717,473
New +$22.4M 0.43% 51

Other funds holding AM

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
TCA
Tortoise Capital Advisors Overland Park, Kansas $9.84B AUM 26.47% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Neuberger Berman Group
Neuberger Berman Group New York $150B AUM 40.08% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return

Northwestern Mutual Investment Management Company's AM Position: Q2 2026 in Review

Northwestern Mutual Investment Management Company increased its Antero Midstream (AM) stake by 0.81% in Q2 2026, buying an estimated $13.1K and bringing the position to 74,792 shares worth $1.7M. The position accounts for 0.02% of the portfolio, ranked #415.

Northwestern Mutual Investment Management Company first reported a position in AM in Q1 2019 and has held it in 30 quarters since. The position peaked at $23.7M in Q1 2019. 534 funds tracked by Wall St. Rank hold AM as of Q2 2026.

  • Northwestern Mutual Investment Management Company held 74,792 shares of Antero Midstream worth $1.7M as of Q2 2026.
  • Northwestern Mutual Investment Management Company bought 604 Antero Midstream shares in Q2 2026, an estimated $13.1K.
  • Antero Midstream made up 0.02% of Northwestern Mutual Investment Management Company's portfolio in Q2 2026, its #415 holding.
  • Northwestern Mutual Investment Management Company first reported a position in Antero Midstream in Q1 2019 and has held it in 30 quarters since.
  • Northwestern Mutual Investment Management Company's Antero Midstream position peaked at $23.7M in Q1 2019.
  • 534 funds tracked by Wall St. Rank held Antero Midstream as of Q2 2026.

Based on Northwestern Mutual Investment Management Company's 13F filing for Q2 2026, filed 12 Aug 2026.