Guggenheim Capital’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
$1.71M Buy
+18,113
New +$1.71M 0.01% 798
2026
Q1
Sell
-9,607
Closed -$915K 1713
2025
Q4
$915K Sell
9,607
-13,674
-59% -$1.3M 0.01% 993
2025
Q3
$2.22M Sell
23,281
-25,157
-52% -$2.36M 0.02% 659
2025
Q2
$4.55M Sell
48,438
-23,362
-33% -$2.16M 0.04% 445
2025
Q1
$6.73M Sell
71,800
-23,723
-25% -$2.19M 0.06% 341
2024
Q4
$8.76M Sell
95,523
-21,958
-19% -$2.04M 0.07% 289
2024
Q3
$11.3M Sell
117,481
-22,295
-16% -$2.11M 0.08% 270
2024
Q2
$12.8M Sell
139,776
-1,487
-1% -$135K 0.09% 233
2024
Q1
$13.1M Buy
141,263
+10,545
+8% +$975K 0.09% 235
2023
Q4
$12.3M Buy
130,718
+13,087
+11% +$1.17M 0.09% 240
2023
Q3
$10.4M Buy
117,631
+10,028
+9% +$917K 0.09% 256
2023
Q2
$10M Buy
107,603
+11,463
+12% +$1.08M 0.08% 294
2023
Q1
$9.11M Buy
96,140
+1,386
+1% +$131K 0.08% 312
2022
Q4
$8.79M Buy
94,754
+7,309
+8% +$674K 0.08% 322
2022
Q3
$8.01M Sell
87,445
-8,800
-9% -$853K 0.07% 332
2022
Q2
$9.38M Sell
96,245
-6,030
-6% -$591K 0.07% 321
2022
Q1
$10.4M Sell
102,275
-34,378
-25% -$3.59M 0.06% 387
2021
Q4
$14.7M Sell
136,653
-21,012
-13% -$2.26M 0.08% 285
2021
Q3
$17.1M Sell
157,665
-30,450
-16% -$3.3M 0.1% 215
2021
Q2
$20.4M Sell
188,115
-9,848
-5% -$1.07M 0.12% 182
2021
Q1
$21.5M Sell
197,963
-13,311
-6% -$1.46M 0.14% 148
2020
Q4
$23.3M Sell
211,274
-10,693
-5% -$1.18M 0.15% 118
2020
Q3
$24.5M Sell
221,967
-15,996
-7% -$1.77M 0.18% 97
2020
Q2
$26.3M Sell
237,963
-11,994
-5% -$1.33M 0.2% 88
2020
Q1
$27.6M Buy
249,957
+20,756
+9% +$2.26M 0.28% 67
2019
Q4
$24.8M Buy
229,201
+35,725
+18% +$3.86M 0.19% 108
2019
Q3
$21M Buy
193,476
+31,111
+19% +$3.36M 0.17% 133
2019
Q2
$17.5M Buy
162,365
+23,157
+17% +$2.46M 0.14% 150
2019
Q1
$14.8M Buy
139,208
+15,738
+13% +$1.66M 0.12% 183
2018
Q4
$12.9M Buy
123,470
+5,177
+4% +$533K 0.11% 185
2018
Q3
$12.2M Buy
118,293
+2,807
+2% +$291K 0.08% 283
2018
Q2
$12M Buy
115,486
+7,024
+6% +$729K 0.08% 274
2018
Q1
$11.3M Buy
108,462
+18,378
+20% +$1.93M 0.03% 635
2017
Q4
$9.6M Buy
90,084
+14,196
+19% +$1.51M 0.02% 701
2017
Q3
$8.13M Buy
75,888
+5,290
+7% +$567K 0.02% 781
2017
Q2
$7.54M Buy
70,598
+2,296
+3% +$246K 0.02% 786
2017
Q1
$7.28M Buy
68,302
+1,726
+3% +$183K 0.02% 812
2016
Q4
$7.08M Buy
66,576
+3,861
+6% +$417K 0.02% 817
2016
Q3
$6.9M Buy
62,715
+6,108
+11% +$671K 0.02% 849
2016
Q2
$6.22M Buy
56,607
+5,164
+10% +$565K 0.02% 871
2016
Q1
$5.63M Sell
51,443
-4,333
-8% -$472K 0.02% 927
2015
Q4
$6.01M Sell
55,776
-3,478
-6% -$379K 0.02% 936
2015
Q3
$6.5M Buy
59,254
+337
+0.6% +$36.8K 0.02% 926
2015
Q2
$6.4M Buy
58,917
+5,413
+10% +$593K 0.02% 1043
2015
Q1
$5.9M Buy
53,504
+17,064
+47% +$1.87M 0.01% 1087
2014
Q4
$3.98M Buy
36,440
+11,538
+46% +$1.26M 0.01% 1243
2014
Q3
$2.69M Sell
24,902
-15,387
-38% -$1.66M 0.01% 1554
2014
Q2
$4.36M Sell
40,289
-10,881
-21% -$1.17M 0.01% 1261
2014
Q1
$5.43M Sell
51,170
-28,302
-36% -$3M 0.02% 1078
2013
Q4
$8.31M Sell
79,472
-17,660
-18% -$1.86M 0.03% 886
2013
Q3
$10.3M Sell
97,132
-14,288
-13% -$1.49M 0.04% 832
2013
Q2
$11.7M Buy
+111,420
New +$11.9M 0.05% 694

Other funds holding MBB

Guggenheim Capital's MBB Position: Q2 2026 in Review

Guggenheim Capital opened a new position in iShares MBS ETF (MBB) in Q2 2026: 18,113 shares worth $1.71M. The stake represents 0.01% of the portfolio and ranks #798 among its holdings. This is a return to the name: Guggenheim Capital previously reported a position in MBB as recently as Q4 2025.

Guggenheim Capital first reported a position in MBB in Q2 2013 and has held it in 52 quarters since. The position peaked at $27.6M in Q1 2020. 1,022 funds tracked by Wall St. Rank hold MBB as of Q2 2026.

  • Guggenheim Capital held 18,113 shares of iShares MBS ETF worth $1.71M as of Q2 2026.
  • iShares MBS ETF was a new Guggenheim Capital position in Q2 2026.
  • iShares MBS ETF made up 0.01% of Guggenheim Capital's portfolio in Q2 2026, its #798 holding.
  • Guggenheim Capital first reported a position in iShares MBS ETF in Q2 2013 and has held it in 52 quarters since.
  • Guggenheim Capital's iShares MBS ETF position peaked at $27.6M in Q1 2020.
  • 1,022 funds tracked by Wall St. Rank held iShares MBS ETF as of Q2 2026.

Based on Guggenheim Capital's 13F filing for Q2 2026, filed 12 Aug 2026.