Northwestern Mutual Wealth Management
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Northwestern Mutual Wealth Management’s CoStar Group CSGP Stock Holding History

Northwestern Mutual Wealth Management’s Portfolio CSGP Stock Details CSGP Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$654K Sell
16,221
-23,646
-59% -$1.23M ﹤0.01% 1474
2025
Q4 		$2.68M Sell
39,867
-15,367
-28% -$1.09M ﹤0.01% 960
2025
Q3 		$4.66M Sell
55,234
-34,258
-38% -$3.03M ﹤0.01% 758
2025
Q2 		$7.2M Sell
89,492
-64
-0.1% -$4.99K 0.01% 583
2025
Q1 		$7.1M Sell
89,556
-119,505
-57% -$9.09M 0.01% 560
2024
Q4 		$15M Buy
209,061
+17,488
+9% +$1.32M 0.01% 385
2024
Q3 		$14.5M Buy
191,573
+26,507
+16% +$2.01M 0.01% 374
2024
Q2 		$12.2M Buy
165,066
+16,084
+11% +$1.36M 0.01% 380
2024
Q1 		$14.4M Sell
148,982
-2,009
-1% -$173K 0.01% 344
2023
Q4 		$13.2M Buy
150,991
+9,829
+7% +$796K 0.01% 345
2023
Q3 		$10.9M Buy
141,162
+3,000
+2% +$249K 0.01% 357
2023
Q2 		$12.3M Buy
138,162
+3,579
+3% +$276K 0.02% 330
2023
Q1 		$9.27M Buy
134,583
+9,157
+7% +$676K 0.01% 362
2022
Q4 		$9.69M Buy
125,426
+29,154
+30% +$2.28M 0.01% 341
2022
Q3 		$6.71M Buy
96,272
+19,050
+25% +$1.32M 0.01% 360
2022
Q2 		$4.67M Buy
77,222
+68,029
+740% +$4.12M 0.01% 434
2022
Q1 		$613K Buy
9,193
+5,319
+137% +$353K ﹤0.01% 1003
2021
Q4 		$306K Sell
3,874
-892
-19% -$74.8K ﹤0.01% 1276
2021
Q3 		$409K Buy
4,766
+987
+26% +$85.3K ﹤0.01% 1071
2021
Q2 		$313K Sell
3,779
-2,261
-37% -$195K ﹤0.01% 1144
2021
Q1 		$496K Buy
6,040
+610
+11% +$52.7K ﹤0.01% 924
2020
Q4 		$502K Buy
5,430
+2,970
+121% +$260K ﹤0.01% 832
2020
Q3 		$209K Buy
2,460
+770
+46% +$61.4K ﹤0.01% 1010
2020
Q2 		$120K Sell
1,690
-650
-28% -$42K ﹤0.01% 1149
2020
Q1 		$137K Buy
2,340
+30
+1% +$1.96K ﹤0.01% 1005
2019
Q4 		$138K Buy
2,310
+760
+49% +$44.4K ﹤0.01% 1094
2019
Q3 		$92K Buy
1,550
+30
+2% +$1.8K ﹤0.01% 1189
2019
Q2 		$84K Hold
1,520
– – ﹤0.01% 1199
2019
Q1 		$71K Hold
1,520
– – ﹤0.01% 1218
2018
Q4 		$51K Buy
1,520
+300
+25% +$11K ﹤0.01% 1241
2018
Q3 		$51K Buy
1,220
+70
+6% +$2.99K ﹤0.01% 1313
2018
Q2 		$47K Sell
1,150
-20
-2% -$770 ﹤0.01% 1269
2018
Q1 		$43K Buy
1,170
+20
+2% +$689 ﹤0.01% 1257
2017
Q4 		$34K Sell
1,150
-500
-30% -$14.6K ﹤0.01% 1290
2017
Q3 		$44K Hold
1,650
– – ﹤0.01% 1167
2017
Q2 		$43K Sell
1,650
-30
-2% -$730 ﹤0.01% 1137
2017
Q1 		$35K Sell
1,680
-520
-24% -$10.6K ﹤0.01% 1139
2016
Q4 		$41K Buy
+2,200
New +$43.2K ﹤0.01% 1095
2016
Q3 		– Sell
-2,110
Closed -$46K – 449
2016
Q2 		$46K Buy
2,110
+500
+31% +$9.89K ﹤0.01% 929
2016
Q1 		$30K Buy
1,610
+380
+31% +$6.73K ﹤0.01% 1048
2015
Q4 		$25K Buy
1,230
+100
+9% +$1.99K ﹤0.01% 942
2015
Q3 		$20K Sell
1,130
-90
-7% -$1.72K ﹤0.01% 910
2015
Q2 		$24K Sell
1,220
-140
-10% -$2.85K ﹤0.01% 834
2015
Q1 		$27K Buy
1,360
+490
+56% +$9.25K ﹤0.01% 794
2014
Q4 		$16K Buy
870
+340
+64% +$5.49K ﹤0.01% 937
2014
Q3 		$8K Sell
530
-770
-59% -$11.5K ﹤0.01% 948
2014
Q2 		$21K Buy
+1,300
New +$21.1K ﹤0.01% 758
2014
Q1 		– Sell
-270
Closed -$5K – 1290
2013
Q4 		$5K Buy
+270
New +$4.78K ﹤0.01% 1049
2013
Q3 		– Sell
-80
Closed -$1K – 1365
2013
Q2 		$1K Buy
+80
New +$905 ﹤0.01% 1173

Other funds holding CSGP

VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Principal Financial Group
Principal Financial Group Des Moines, Iowa $187B AUM 18.48% 1-Year Est. Return
BAMCO Inc
BAMCO Inc New York $33.1B AUM 11.16% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $97.9B AUM 20.73% 1-Year Est. Return
Polen Capital Management
Polen Capital Management Boca Raton, Florida $14.5B AUM 5.7% 1-Year Est. Return

Northwestern Mutual Wealth Management's CSGP Position: Q1 2026 in Review

Northwestern Mutual Wealth Management reduced its CoStar Group (CSGP) stake by 59% in Q1 2026, selling an estimated $1.23M and leaving 16,221 shares worth $654K. The position accounts for ﹤0.01% of the portfolio, ranked #1474.

Northwestern Mutual Wealth Management first reported a position in CSGP in Q2 2013 and has held it in 49 quarters since. The position peaked at $15M in Q4 2024. 793 funds tracked by Wall St. Rank hold CSGP as of Q1 2026.

  • Northwestern Mutual Wealth Management held 16,221 shares of CoStar Group worth $654K as of Q1 2026.
  • Northwestern Mutual Wealth Management sold 23,646 CoStar Group shares in Q1 2026, an estimated $1.23M.
  • CoStar Group made up ﹤0.01% of Northwestern Mutual Wealth Management's portfolio in Q1 2026, its #1474 holding.
  • Northwestern Mutual Wealth Management first reported a position in CoStar Group in Q2 2013 and has held it in 49 quarters since.
  • Northwestern Mutual Wealth Management's CoStar Group position peaked at $15M in Q4 2024.
  • 793 funds tracked by Wall St. Rank held CoStar Group as of Q1 2026.

Based on Northwestern Mutual Wealth Management's 13F filing for Q1 2026, filed 7 May 2026.