Fidelity Investments’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 | $34.6M | Buy |
365,720
+9,368
| +3% | +$886K | ﹤0.01% | 1670 |
|
|
2026
Q1 | $33.8M | Buy |
356,352
+4,722
| +1% | +$451K | ﹤0.01% | 1574 |
|
|
2025
Q4 | $33.5M | Sell |
351,630
-2,491
| -0.7% | -$238K | ﹤0.01% | 1590 |
|
|
2025
Q3 | $33.7M | Sell |
354,121
-12,856
| -4% | -$1.21M | ﹤0.01% | 1592 |
|
|
2025
Q2 | $34.5M | Sell |
366,977
-31,343
| -8% | -$2.9M | ﹤0.01% | 1523 |
|
|
2025
Q1 | $37.4M | Sell |
398,320
-23,379
| -6% | -$2.16M | ﹤0.01% | 1469 |
|
|
2024
Q4 | $38.7M | Sell |
421,699
-545,843
| -56% | -$50.8M | ﹤0.01% | 1484 |
|
|
2024
Q3 | $92.7M | Sell |
967,542
-850,404
| -47% | -$80.4M | 0.01% | 1133 |
|
|
2024
Q2 | $167M | Buy |
1,817,946
+16,697
| +0.9% | +$1.52M | 0.01% | 846 |
|
|
2024
Q1 | $166M | Sell |
1,801,249
-94,192
| -5% | -$8.71M | 0.01% | 862 |
|
|
2023
Q4 | $178M | Buy |
1,895,441
+15,200
| +0.8% | +$1.36M | 0.01% | 789 |
|
|
2023
Q3 | $167M | Sell |
1,880,241
-86
| -0% | -$7.86K | 0.01% | 773 |
|
|
2023
Q2 | $175M | Buy |
1,880,327
+1,001,958
| +114% | +$94.2M | 0.01% | 764 |
|
|
2023
Q1 | $83.2M | Buy |
878,369
+659,074
| +301% | +$62.2M | 0.01% | 1048 |
|
|
2022
Q4 | $20.3M | Buy |
219,295
+10,291
| +5% | +$949K | ﹤0.01% | 1607 |
|
|
2022
Q3 | $19.1M | Buy |
209,004
+71,614
| +52% | +$6.94M | ﹤0.01% | 1626 |
|
|
2022
Q2 | $13.4M | Sell |
137,390
-48,538
| -26% | -$4.76M | ﹤0.01% | 1825 |
|
|
2022
Q1 | $18.9M | Buy |
185,928
+99,332
| +115% | +$10.4M | ﹤0.01% | 1804 |
|
|
2021
Q4 | $9.3M | Buy |
86,596
+21,863
| +34% | +$2.35M | ﹤0.01% | 2145 |
|
|
2021
Q3 | $7M | Buy |
64,733
+2,163
| +3% | +$235K | ﹤0.01% | 2262 |
|
|
2021
Q2 | $6.77M | Sell |
62,570
-14,446
| -19% | -$1.57M | ﹤0.01% | 2240 |
|
|
2021
Q1 | $8.35M | Sell |
77,016
-1,921,325
| -96% | -$210M | ﹤0.01% | 2095 |
|
|
2020
Q4 | $220M | Sell |
1,998,341
-813,217
| -29% | -$89.5M | 0.02% | 706 |
|
|
2020
Q3 | $310M | Sell |
2,811,558
-91,558
| -3% | -$10.1M | 0.03% | 458 |
|
|
2020
Q2 | $321M | Sell |
2,903,116
-85,453
| -3% | -$9.46M | 0.04% | 438 |
|
|
2020
Q1 | $330M | Sell |
2,988,569
-74,430
| -2% | -$8.1M | 0.05% | 346 |
|
|
2019
Q4 | $331M | Buy |
3,062,999
+1,640,631
| +115% | +$177M | 0.04% | 447 |
|
|
2019
Q3 | $154M | Buy |
1,422,368
+15,020
| +1% | +$1.62M | 0.02% | 717 |
|
|
2019
Q2 | $151M | Sell |
1,407,348
-11,353
| -0.8% | -$1.21M | 0.02% | 748 |
|
|
2019
Q1 | $151M | Buy |
1,418,701
+1,417,393
| +108,363% | +$149M | 0.02% | 747 |
|
|
2018
Q4 | $136K | Buy |
1,308
+707
| +118% | +$72.7K | ﹤0.01% | 2606 |
|
|
2018
Q3 | $62K | Buy |
+601
| New | +$62.4K | ﹤0.01% | 2791 |
|
|
2016
Q4 | – | Sell |
-2,077
| Closed | -$229K | – | 2692 |
|
|
2016
Q3 | $229K | Buy |
+2,077
| New | +$228K | ﹤0.01% | 2612 |
|
Other funds holding MBB
TWIM
TCIIS
Fidelity Investments's MBB Position: Q2 2026 in Review
Fidelity Investments increased its iShares MBS ETF (MBB) stake by 2.6% in Q2 2026, buying an estimated $886K and bringing the position to 365,720 shares worth $34.6M. The position accounts for ﹤0.01% of the portfolio, ranked #1670.
Fidelity Investments first reported a position in MBB in Q3 2016 and has held it in 33 quarters since. The position peaked at $331M in Q4 2019. 1,021 funds tracked by Wall St. Rank hold MBB as of Q2 2026.
- Fidelity Investments held 365,720 shares of iShares MBS ETF worth $34.6M as of Q2 2026.
- Fidelity Investments bought 9,368 iShares MBS ETF shares in Q2 2026, an estimated $886K.
- iShares MBS ETF made up ﹤0.01% of Fidelity Investments's portfolio in Q2 2026, its #1670 holding.
- Fidelity Investments first reported a position in iShares MBS ETF in Q3 2016 and has held it in 33 quarters since.
- Fidelity Investments's iShares MBS ETF position peaked at $331M in Q4 2019.
- 1,021 funds tracked by Wall St. Rank held iShares MBS ETF as of Q2 2026.
Based on Fidelity Investments's 13F filing for Q2 2026, filed 13 Aug 2026.