TCW Group’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
Q1
$19.5M Buy
205,827
+3,366
+2% +$322K 0.15% 114
2025
Q4
$19.3M Buy
202,461
+4,783
+2% +$456K 0.14% 110
2025
Q3
$18.8M Buy
197,678
+38,163
+24% +$3.59M 0.16% 102
2025
Q2
$15M Buy
159,515
+962
+0.6% +$89.1K 0.12% 118
2025
Q1
$14.9M Buy
158,553
+1,506
+1% +$139K 0.13% 110
2024
Q4
$14.4M Buy
157,047
+346
+0.2% +$32.2K 0.12% 117
2024
Q3
$15M Sell
156,701
-1,221
-0.8% -$115K 0.13% 112
2024
Q2
$14.5M Sell
157,922
-140
-0.1% -$12.8K 0.13% 110
2024
Q1
$14.6M Buy
158,062
+570
+0.4% +$52.7K 0.15% 114
2023
Q4
$14.8M Sell
157,492
-2,453
-2% -$220K 0.17% 115
2023
Q3
$14.2M Buy
159,945
+31,697
+25% +$2.9M 0.18% 109
2023
Q2
$12M Buy
128,248
+27,049
+27% +$2.54M 0.13% 118
2023
Q1
$9.59M Sell
101,199
-3,966
-4% -$375K 0.12% 131
2022
Q4
$9.75M Sell
105,165
-8,947
-8% -$825K 0.14% 123
2022
Q3
$10.4M Sell
114,112
-23,068
-17% -$2.24M 0.15% 122
2022
Q2
$13.4M Buy
137,180
+27,750
+25% +$2.72M 0.18% 113
2022
Q1
$11.1M Sell
109,430
-3,435
-3% -$358K 0.11% 136
2021
Q4
$12.1M Sell
112,865
-22,483
-17% -$2.42M 0.1% 138
2021
Q3
$14.6K Sell
135,348
-660
-0.5% -$71.6K 0.04% 121
2021
Q2
$14.7M Sell
136,008
-8,685
-6% -$942K 0.13% 121
2021
Q1
$15.7M Buy
144,693
+21,264
+17% +$2.33M 0.15% 110
2020
Q4
$13.6M Buy
123,429
+1,251
+1% +$138K 0.12% 111
2020
Q3
$13.5M Sell
122,178
-17,670
-13% -$1.95M 0.15% 108
2020
Q2
$15.5M Buy
139,848
+28,661
+26% +$3.17M 0.18% 96
2020
Q1
$12.3M Buy
111,187
+30,286
+37% +$3.3M 0.17% 95
2019
Q4
$8.74M Buy
+80,901
New +$8.74M 0.1% 140

Other funds holding MBB

TCW Group's MBB Position: Q1 2026 in Review

TCW Group increased its iShares MBS ETF (MBB) stake by 1.7% in Q1 2026, buying an estimated $322K and bringing the position to 205,827 shares worth $19.5M. The position accounts for 0.15% of the portfolio, ranked #114.

TCW Group first reported a position in MBB in Q4 2019 and has held it in 26 quarters since. 1,019 funds tracked by Wall St. Rank hold MBB as of Q1 2026.

  • TCW Group held 205,827 shares of iShares MBS ETF worth $19.5M as of Q1 2026.
  • TCW Group bought 3,366 iShares MBS ETF shares in Q1 2026, an estimated $322K.
  • iShares MBS ETF made up 0.15% of TCW Group's portfolio in Q1 2026, its #114 holding.
  • TCW Group first reported a position in iShares MBS ETF in Q4 2019 and has held it in 26 quarters since.
  • 1,019 funds tracked by Wall St. Rank held iShares MBS ETF as of Q1 2026.

Based on TCW Group's 13F filing for Q1 2026, filed 14 May 2026.