AllianceBernstein’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
$82.1M Buy
864,704
+38,702
+5% +$3.66M 0.03% 461
2026
Q1
$78.7M Buy
826,002
+57,787
+8% +$5.52M 0.03% 453
2025
Q4
$73.1M Buy
768,215
+80,313
+12% +$7.66M 0.02% 512
2025
Q3
$65.5M Buy
687,902
+11,992
+2% +$1.13M 0.02% 540
2025
Q2
$63.5M Buy
675,910
+11,064
+2% +$1.03M 0.02% 546
2025
Q1
$62.3M Sell
664,846
-10,970
-2% -$1.01M 0.02% 525
2024
Q4
$62M Buy
675,816
+90,614
+15% +$8.44M 0.02% 535
2024
Q3
$56.1M Buy
585,202
+732
+0.1% +$69.2K 0.02% 577
2024
Q2
$53.7M Sell
584,470
-20,548
-3% -$1.87M 0.02% 577
2024
Q1
$55.9M Buy
605,018
+2,211
+0.4% +$205K 0.02% 568
2023
Q4
$56.7M Buy
602,807
+51,999
+9% +$4.66M 0.02% 549
2023
Q3
$48.9M Sell
550,808
-7,990
-1% -$730K 0.02% 563
2023
Q2
$52.1M Buy
558,798
+3,906
+0.7% +$367K 0.02% 564
2023
Q1
$52.6M Buy
554,892
+30,414
+6% +$2.87M 0.02% 549
2022
Q4
$48.6M Sell
524,478
-23,427
-4% -$2.16M 0.02% 586
2022
Q3
$50.2M Buy
547,905
+32,705
+6% +$3.17M 0.02% 533
2022
Q2
$50.2M Buy
515,200
+25,894
+5% +$2.54M 0.02% 552
2022
Q1
$49.8M Buy
489,306
+15,387
+3% +$1.61M 0.02% 599
2021
Q4
$50.9M Buy
473,919
+54,537
+13% +$5.87M 0.02% 618
2021
Q3
$45.4M Sell
419,382
-12,027
-3% -$1.3M 0.02% 650
2021
Q2
$46.7M Sell
431,409
-8,798
-2% -$954K 0.02% 637
2021
Q1
$47.7M Buy
440,207
+110,157
+33% +$12.1M 0.02% 625
2020
Q4
$36.3M Buy
330,050
+80,545
+32% +$8.87M 0.02% 674
2020
Q3
$27.5M Buy
249,505
+18,840
+8% +$2.08M 0.01% 707
2020
Q2
$25.5M Buy
230,665
+19,600
+9% +$2.17M 0.02% 688
2020
Q1
$23.3M Sell
211,065
-141,943
-40% -$15.4M 0.02% 647
2019
Q4
$38.1M Buy
353,008
+19,718
+6% +$2.13M 0.02% 613
2019
Q3
$36.1M Sell
333,290
-7,614
-2% -$822K 0.02% 608
2019
Q2
$36.7M Sell
340,904
-10,043
-3% -$1.07M 0.02% 627
2019
Q1
$37.3M Buy
350,947
+11,250
+3% +$1.18M 0.02% 613
2018
Q4
$35.5M Buy
339,697
+17,292
+5% +$1.78M 0.03% 581
2018
Q3
$33.3M Buy
322,405
+97,734
+44% +$10.1M 0.02% 639
2018
Q2
$23.4M Buy
224,671
+53,428
+31% +$5.55M 0.02% 732
2018
Q1
$17.9M Buy
171,243
+30,366
+22% +$3.18M 0.01% 803
2017
Q4
$15M Buy
140,877
+119,877
+571% +$12.8M 0.01% 854
2017
Q3
$2.25M Buy
+21,000
New +$2.25M ﹤0.01% 1772
2014
Q3
Sell
-245
Closed -$27K 3437
2014
Q2
$27K Buy
+245
New +$26.3K ﹤0.01% 3196

Other funds holding MBB

AllianceBernstein's MBB Position: Q2 2026 in Review

AllianceBernstein increased its iShares MBS ETF (MBB) stake by 4.7% in Q2 2026, buying an estimated $3.66M and bringing the position to 864,704 shares worth $82.1M. The position accounts for 0.03% of the portfolio, ranked #461.

AllianceBernstein first reported a position in MBB in Q2 2014 and has held it in 37 quarters since. 1,022 funds tracked by Wall St. Rank hold MBB as of Q2 2026.

  • AllianceBernstein held 864,704 shares of iShares MBS ETF worth $82.1M as of Q2 2026.
  • AllianceBernstein bought 38,702 iShares MBS ETF shares in Q2 2026, an estimated $3.66M.
  • iShares MBS ETF made up 0.03% of AllianceBernstein's portfolio in Q2 2026, its #461 holding.
  • AllianceBernstein first reported a position in iShares MBS ETF in Q2 2014 and has held it in 37 quarters since.
  • 1,022 funds tracked by Wall St. Rank held iShares MBS ETF as of Q2 2026.

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