Northwestern Mutual Wealth Management’s iShares MBS ETF MBB Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$8.51M Buy
89,647
+2,589
+3% +$247K 0.01% 643
2025
Q4
$8.29M Sell
87,058
-50,997
-37% -$4.86M 0.01% 618
2025
Q3
$13.1M Sell
138,055
-14,989
-10% -$1.41M 0.01% 489
2025
Q2
$14.4M Sell
153,044
-220,458
-59% -$20.4M 0.01% 445
2025
Q1
$35M Buy
373,502
+55,345
+17% +$5.12M 0.03% 277
2024
Q4
$29.2M Buy
318,157
+170,107
+115% +$15.8M 0.02% 286
2024
Q3
$14.2M Buy
148,050
+82,613
+126% +$7.81M 0.01% 380
2024
Q2
$6.01M Buy
65,437
+28,456
+77% +$2.59M 0.01% 547
2024
Q1
$3.42M Sell
36,981
-8,288
-18% -$767K ﹤0.01% 654
2023
Q4
$4.26M Buy
45,269
+5,725
+14% +$513K ﹤0.01% 578
2023
Q3
$3.51M Sell
39,544
-236,087
-86% -$21.6M ﹤0.01% 582
2023
Q2
$25.7M Buy
275,631
+2,581
+0.9% +$243K 0.03% 249
2023
Q1
$25.9M Buy
273,050
+245,585
+894% +$23.2M 0.04% 230
2022
Q4
$2.55M Sell
27,465
-3,986
-13% -$368K ﹤0.01% 616
2022
Q3
$2.88M Buy
31,451
+864
+3% +$83.8K 0.01% 524
2022
Q2
$2.98M Sell
30,587
-4,443
-13% -$436K 0.01% 531
2022
Q1
$3.57M Buy
35,030
+836
+2% +$87.2K 0.01% 511
2021
Q4
$3.67M Buy
34,194
+50
+0.1% +$5.38K 0.01% 474
2021
Q3
$3.69M Buy
34,144
+2,076
+6% +$225K 0.01% 439
2021
Q2
$3.47M Buy
32,068
+402
+1% +$43.6K 0.01% 439
2021
Q1
$3.43M Buy
31,666
+2,416
+8% +$265K 0.01% 408
2020
Q4
$3.22M Sell
29,250
-121
-0.4% -$13.3K 0.01% 389
2020
Q3
$3.24M Buy
29,371
+13
+0% +$1.44K 0.01% 354
2020
Q2
$3.25M Sell
29,358
-3,116
-10% -$345K 0.01% 332
2020
Q1
$3.59M Sell
32,474
-6,646
-17% -$723K 0.01% 287
2019
Q4
$4.23M Buy
39,120
+1,193
+3% +$129K 0.01% 286
2019
Q3
$4.11M Buy
37,927
+1,924
+5% +$208K 0.02% 282
2019
Q2
$3.87M Sell
36,003
-1,686
-4% -$179K 0.02% 280
2019
Q1
$4.01M Buy
37,689
+998
+3% +$105K 0.02% 265
2018
Q4
$3.84M Sell
36,691
-3,243
-8% -$334K 0.02% 262
2018
Q3
$4.13M Sell
39,934
-5,941
-13% -$617K 0.02% 240
2018
Q2
$4.78M Sell
45,875
-575
-1% -$59.7K 0.03% 216
2018
Q1
$4.86M Sell
46,450
-507
-1% -$53.2K 0.03% 205
2017
Q4
$5M Sell
46,957
-1,773
-4% -$189K 0.03% 200
2017
Q3
$5.22M Sell
48,730
-2,020
-4% -$216K 0.04% 197
2017
Q2
$5.42M Buy
50,750
+3,497
+7% +$374K 0.04% 187
2017
Q1
$5.04M Buy
47,253
+408
+0.9% +$43.4K 0.05% 182
2016
Q4
$4.98M Buy
+46,845
New +$5.06M 0.05% 176
2016
Q3
Sell
-39,359
Closed -$4.33M 968
2016
Q2
$4.33M Buy
39,359
+3,303
+9% +$361K 0.06% 178
2016
Q1
$3.95M Buy
36,056
+3,136
+10% +$342K 0.06% 170
2015
Q4
$3.55M Buy
32,920
+7,010
+27% +$763K 0.07% 176
2015
Q3
$2.84M Buy
25,910
+13,877
+115% +$1.51M 0.07% 183
2015
Q2
$1.31M Buy
12,033
+4,515
+60% +$495K 0.03% 234
2015
Q1
$830K Buy
7,518
+2,220
+42% +$244K 0.02% 259
2014
Q4
$579K Sell
5,298
-9
-0.2% -$983 0.02% 277
2014
Q3
$573K Buy
5,307
+1,831
+53% +$198K 0.02% 277
2014
Q2
$376K Sell
3,476
-467
-12% -$50.1K 0.01% 301
2014
Q1
$418K Sell
3,943
-1,526
-28% -$162K 0.02% 285
2013
Q4
$572K Sell
5,469
-2,237
-29% -$236K 0.03% 253
2013
Q3
$816K Buy
7,706
+399
+5% +$41.7K 0.04% 206
2013
Q2
$769K Buy
+7,307
New +$782K 0.05% 211

Other funds holding MBB

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

Northwestern Mutual Wealth Management increased its iShares MBS ETF (MBB) stake by 3% in Q1 2026, buying an estimated $247K and bringing the position to 89,647 shares worth $8.51M. The position accounts for 0.01% of the portfolio, ranked #643.

Northwestern Mutual Wealth Management first reported a position in MBB in Q2 2013 and has held it in 51 quarters since. The position peaked at $35M in Q1 2025. 1,022 funds tracked by Wall St. Rank hold MBB as of Q1 2026.

  • Northwestern Mutual Wealth Management held 89,647 shares of iShares MBS ETF worth $8.51M as of Q1 2026.
  • Northwestern Mutual Wealth Management bought 2,589 iShares MBS ETF shares in Q1 2026, an estimated $247K.
  • iShares MBS ETF made up 0.01% of Northwestern Mutual Wealth Management's portfolio in Q1 2026, its #643 holding.
  • Northwestern Mutual Wealth Management first reported a position in iShares MBS ETF in Q2 2013 and has held it in 51 quarters since.
  • Northwestern Mutual Wealth Management's iShares MBS ETF position peaked at $35M in Q1 2025.
  • 1,022 funds tracked by Wall St. Rank held iShares MBS ETF as of Q1 2026.

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