Cullen/Frost Bankers’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
$283K Buy
2,999
+413
+16% +$39.1K ﹤0.01% 525
2026
Q1
$246K Buy
2,586
+601
+30% +$57.4K ﹤0.01% 540
2025
Q4
$189K Sell
1,985
-443
-18% -$42.3K ﹤0.01% 574
2025
Q3
$231K Buy
2,428
+796
+49% +$74.8K ﹤0.01% 509
2025
Q2
$153K Buy
1,632
+318
+24% +$29.5K ﹤0.01% 563
2025
Q1
$123K Buy
1,314
+329
+33% +$30.4K ﹤0.01% 579
2024
Q4
$90.3K Buy
985
+12
+1% +$1.12K ﹤0.01% 618
2024
Q3
$93.2K Buy
+973
New +$92K ﹤0.01% 621
2024
Q2
Sell
-769
Closed -$71K 1283
2024
Q1
$71K Buy
+769
New +$71.1K ﹤0.01% 606
2023
Q4
Sell
-21
Closed -$1.86K 1118
2023
Q3
$1.86K Buy
+21
New +$1.92K ﹤0.01% 1072
2023
Q1
Sell
-24
Closed -$2.23K 1229
2022
Q4
$2.23K Buy
+24
New +$2.21K ﹤0.01% 1010
2020
Q4
Sell
-1,717
Closed -$190K 1138
2020
Q3
$190K Hold
1,717
﹤0.01% 479
2020
Q2
$190K Sell
1,717
-393
-19% -$43.5K 0.01% 450
2020
Q1
$233K Sell
2,110
-1,285
-38% -$140K 0.01% 344
2019
Q4
$367K Hold
3,395
0.01% 343
2019
Q3
$368K Buy
3,395
+2,242
+194% +$242K 0.01% 341
2019
Q2
$124K Buy
+1,153
New +$123K ﹤0.01% 451

Other funds holding MBB

Cullen/Frost Bankers's MBB Position: Q2 2026 in Review

Cullen/Frost Bankers increased its iShares MBS ETF (MBB) stake by 16% in Q2 2026, buying an estimated $39.1K and bringing the position to 2,999 shares worth $283K. The position accounts for ﹤0.01% of the portfolio, ranked #525.

Cullen/Frost Bankers first reported a position in MBB in Q2 2019 and has held it in 17 quarters since. The position peaked at $368K in Q3 2019. 680 funds tracked by Wall St. Rank hold MBB as of Q2 2026.

  • Cullen/Frost Bankers held 2,999 shares of iShares MBS ETF worth $283K as of Q2 2026.
  • Cullen/Frost Bankers bought 413 iShares MBS ETF shares in Q2 2026, an estimated $39.1K.
  • iShares MBS ETF made up ﹤0.01% of Cullen/Frost Bankers's portfolio in Q2 2026, its #525 holding.
  • Cullen/Frost Bankers first reported a position in iShares MBS ETF in Q2 2019 and has held it in 17 quarters since.
  • Cullen/Frost Bankers's iShares MBS ETF position peaked at $368K in Q3 2019.
  • 680 funds tracked by Wall St. Rank held iShares MBS ETF as of Q2 2026.

Based on Cullen/Frost Bankers's 13F filing for Q2 2026, filed 27 Jul 2026.