Wells Fargo’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
Q2
$275M Buy
2,912,422
+201,401
+7% +$19M 0.04% 336
2026
Q1
$257M Sell
2,711,021
-5,644
-0.2% -$539K 0.05% 325
2025
Q4
$259M Buy
2,716,665
+172,986
+7% +$16.5M 0.05% 324
2025
Q3
$242M Sell
2,543,679
-37,308
-1% -$3.5M 0.05% 331
2025
Q2
$242M Buy
2,580,987
+35,073
+1% +$3.25M 0.05% 315
2025
Q1
$239M Sell
2,545,914
-22,471
-0.9% -$2.08M 0.05% 297
2024
Q4
$235M Sell
2,568,385
-28,190
-1% -$2.62M 0.05% 293
2024
Q3
$249M Sell
2,596,575
-302
-0% -$28.5K 0.06% 279
2024
Q2
$238M Sell
2,596,877
-656,025
-20% -$59.7M 0.06% 276
2024
Q1
$301M Buy
3,252,902
+231,144
+8% +$21.4M 0.07% 235
2023
Q4
$284M Sell
3,021,758
-96,243
-3% -$8.63M 0.07% 235
2023
Q3
$277M Buy
3,118,001
+185,287
+6% +$16.9M 0.08% 224
2023
Q2
$274M Buy
2,932,714
+100,595
+4% +$9.46M 0.08% 233
2023
Q1
$268M Buy
2,832,119
+789,442
+39% +$74.5M 0.08% 232
2022
Q4
$189M Sell
2,042,677
-149,110
-7% -$13.8M 0.06% 282
2022
Q3
$201M Sell
2,191,787
-13,048
-0.6% -$1.26M 0.07% 258
2022
Q2
$215M Sell
2,204,835
-362,786
-14% -$35.6M 0.07% 252
2022
Q1
$262M Sell
2,567,621
-2,000,867
-44% -$209M 0.07% 245
2021
Q4
$491M Sell
4,568,488
-133,458
-3% -$14.4M 0.12% 167
2021
Q3
$508M Sell
4,701,946
-1,284,583
-21% -$139M 0.11% 179
2021
Q2
$648M Sell
5,986,529
-349,733
-6% -$37.9M 0.14% 149
2021
Q1
$687M Sell
6,336,262
-1,102,586
-15% -$121M 0.15% 139
2020
Q4
$819M Buy
7,438,848
+56,906
+0.8% +$6.27M 0.2% 111
2020
Q3
$815M Sell
7,381,942
-65,425
-0.9% -$7.23M 0.23% 101
2020
Q2
$824M Sell
7,447,367
-847,489
-10% -$93.8M 0.24% 97
2020
Q1
$916M Sell
8,294,856
-640,846
-7% -$69.7M 0.32% 66
2019
Q4
$966M Sell
8,935,702
-341,873
-4% -$36.9M 0.26% 86
2019
Q3
$1B Buy
9,277,575
+382,100
+4% +$41.2M 0.28% 71
2019
Q2
$957M Buy
8,895,475
+87,487
+1% +$9.31M 0.27% 74
2019
Q1
$937M Buy
8,807,988
+2,082,562
+31% +$219M 0.28% 76
2018
Q4
$704M Sell
6,725,426
-189,850
-3% -$19.5M 0.23% 91
2018
Q3
$715M Buy
6,915,276
+585,450
+9% +$60.8M 0.2% 109
2018
Q2
$659M Buy
6,329,826
+331,999
+6% +$34.5M 0.2% 112
2018
Q1
$628M Buy
5,997,827
+397,859
+7% +$41.7M 0.19% 122
2017
Q4
$597M Buy
5,599,968
+163,183
+3% +$17.4M 0.17% 133
2017
Q3
$582M Buy
5,436,785
+137,311
+3% +$14.7M 0.18% 124
2017
Q2
$566M Sell
5,299,474
-47,026
-0.9% -$5.03M 0.18% 123
2017
Q1
$570M Buy
5,346,500
+90,921
+2% +$9.66M 0.19% 123
2016
Q4
$559M Buy
5,255,579
+559,892
+12% +$60.5M 0.2% 116
2016
Q3
$517M Sell
4,695,687
-10,533
-0.2% -$1.16M 0.19% 119
2016
Q2
$518M Buy
4,706,220
+1,953,745
+71% +$214M 0.2% 120
2016
Q1
$301M Buy
2,752,475
+100,761
+4% +$11M 0.12% 191
2015
Q4
$286M Buy
2,651,714
+95,045
+4% +$10.3M 0.11% 205
2015
Q3
$280M Buy
2,556,669
+280,347
+12% +$30.6M 0.12% 206
2015
Q2
$247M Buy
2,276,322
+95,320
+4% +$10.4M 0.1% 247
2015
Q1
$241M Buy
2,181,002
+83,257
+4% +$9.15M 0.09% 248
2014
Q4
$229M Buy
2,097,745
+121,008
+6% +$13.2M 0.09% 259
2014
Q3
$214M Buy
1,976,737
+82,928
+4% +$8.95M 0.09% 268
2014
Q2
$205M Buy
1,893,809
+101,387
+6% +$10.9M 0.08% 280
2014
Q1
$190M Sell
1,792,422
-59,764
-3% -$6.34M 0.08% 294
2013
Q4
$194M Sell
1,852,186
-53,207
-3% -$5.62M 0.08% 284
2013
Q3
$202M Buy
1,905,393
+135,040
+8% +$14.1M 0.1% 260
2013
Q2
$186M Buy
+1,770,353
New +$189M 0.1% 254

Other funds holding MBB

Wells Fargo's MBB Position: Q2 2026 in Review

Wells Fargo increased its iShares MBS ETF (MBB) stake by 7.4% in Q2 2026, buying an estimated $19M and bringing the position to 2,912,422 shares worth $275M. The position accounts for 0.04% of the portfolio, ranked #336.

Wells Fargo first reported a position in MBB in Q2 2013 and has held it in 53 quarters since. The position peaked at $1B in Q3 2019. 1,021 funds tracked by Wall St. Rank hold MBB as of Q2 2026.

  • Wells Fargo held 2,912,422 shares of iShares MBS ETF worth $275M as of Q2 2026.
  • Wells Fargo bought 201,401 iShares MBS ETF shares in Q2 2026, an estimated $19M.
  • iShares MBS ETF made up 0.04% of Wells Fargo's portfolio in Q2 2026, its #336 holding.
  • Wells Fargo first reported a position in iShares MBS ETF in Q2 2013 and has held it in 53 quarters since.
  • Wells Fargo's iShares MBS ETF position peaked at $1B in Q3 2019.
  • 1,021 funds tracked by Wall St. Rank held iShares MBS ETF as of Q2 2026.

Based on Wells Fargo's 13F filing for Q2 2026, filed 14 Aug 2026.