MML Investors Services
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MML Investors Services’s iShares MBS ETF MBB Stock Holding History

MML Investors Services’s Portfolio MBB Stock Details MBB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$134M Sell
1,412,423
-334,150
-19% -$31.9M 0.37% 56
2025
Q4 		$166M Sell
1,746,573
-111,553
-6% -$10.6M 0.41% 47
2025
Q3 		$177M Sell
1,858,126
-51,418
-3% -$4.83M 0.47% 35
2025
Q2 		$179M Buy
1,909,544
+95,805
+5% +$8.88M 0.52% 30
2025
Q1 		$170M Sell
1,813,739
-140,201
-7% -$13M 0.57% 29
2024
Q4 		$179M Buy
1,953,940
+298,394
+18% +$27.8M 0.62% 26
2024
Q3 		$159M Buy
1,655,546
+346,993
+27% +$32.8M 0.58% 28
2024
Q2 		$120M Buy
1,308,553
+45,856
+4% +$4.18M 0.49% 33
2024
Q1 		$117M Buy
1,262,697
+28,356
+2% +$2.62M 0.48% 34
2023
Q4 		$116M Buy
1,234,341
+81,445
+7% +$7.3M 0.54% 27
2023
Q3 		$102M Sell
1,152,896
-191,521
-14% -$17.5M 0.57% 28
2023
Q2 		$125M Buy
1,344,417
+193,907
+17% +$18.2M 0.69% 23
2023
Q1 		$109M Buy
1,150,510
+172,983
+18% +$16.3M 0.77% 18
2022
Q4 		$90.7M Buy
977,527
+698,986
+251% +$64.5M 0.6% 22
2022
Q3 		$25.5M Sell
278,541
-37,790
-12% -$3.66M 0.19% 110
2022
Q2 		$30.8M Buy
316,331
+9,966
+3% +$977K 0.23% 91
2022
Q1 		$31.2M Buy
306,365
+8,203
+3% +$856K 0.22% 92
2021
Q4 		$32M Buy
298,162
+19,637
+7% +$2.11M 0.23% 88
2021
Q3 		$30.1M Buy
278,525
+56,644
+26% +$6.14M 0.24% 85
2021
Q2 		$24M Buy
221,881
+43,606
+24% +$4.73M 0.2% 112
2021
Q1 		$19.3M Sell
178,275
-173,624
-49% -$19M 0.18% 127
2020
Q4 		$38.8M Buy
351,899
+316,222
+886% +$34.8M 0.41% 48
2020
Q3 		$3.94M Buy
35,677
+2,200
+7% +$243K 0.05% 325
2020
Q2 		$3.71M Sell
33,477
-178,856
-84% -$19.8M 0.05% 325
2020
Q1 		$23.4M Sell
212,333
-83,615
-28% -$9.1M 0.4% 53
2019
Q4 		$32M Buy
295,948
+21,108
+8% +$2.28M 0.46% 36
2019
Q3 		$29.8M Buy
274,840
+106,897
+64% +$11.5M 0.48% 38
2019
Q2 		$18.1M Buy
167,943
+98,884
+143% +$10.5M 0.26% 97
2019
Q1 		$7.34M Buy
69,059
+11,437
+20% +$1.2M 0.11% 191
2018
Q4 		$6.03M Buy
57,622
+5,040
+10% +$518K 0.11% 206
2018
Q3 		$5.43M Buy
52,582
+5,942
+13% +$617K 0.09% 230
2018
Q2 		$4.86M Buy
46,640
+7,005
+18% +$727K 0.11% 197
2018
Q1 		$4.15M Sell
39,635
-27,951
-41% -$2.93M 0.09% 214
2017
Q4 		$7.2M Sell
67,586
-500
-0.7% -$53.4K 0.14% 151
2017
Q3 		$7.29M Sell
68,086
-63,887
-48% -$6.84M 0.15% 143
2017
Q2 		$14.1M Buy
+131,973
New +$14.1M 0.27% 88

Other funds holding MBB

Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Envestnet Asset Management
Envestnet Asset Management Chicago, Illinois $374B AUM 17.66% 1-Year Est. Return
LPL Financial
LPL Financial San Diego, California $377B AUM 19.32% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
TWIM
TIAA Wealth Investment Management New York $13.1B AUM
Ameriprise
Ameriprise Minneapolis, Minnesota $432B AUM 30.22% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
TCIIS
TIAA-CREF Individual & Institutional Services New York $26B AUM
Truist Financial
Truist Financial Charlotte, North Carolina $74.2B AUM 21.09% 1-Year Est. Return

MML Investors Services's MBB Position: Q1 2026 in Review

MML Investors Services reduced its iShares MBS ETF (MBB) stake by 19% in Q1 2026, selling an estimated $31.9M and leaving 1,412,423 shares worth $134M. The position accounts for 0.37% of the portfolio, ranked #56.

MML Investors Services first reported a position in MBB in Q2 2017 and has held it in 36 quarters since. The position peaked at $179M in Q2 2025. 1,019 funds tracked by Wall St. Rank hold MBB as of Q1 2026.

  • MML Investors Services held 1,412,423 shares of iShares MBS ETF worth $134M as of Q1 2026.
  • MML Investors Services sold 334,150 iShares MBS ETF shares in Q1 2026, an estimated $31.9M.
  • iShares MBS ETF made up 0.37% of MML Investors Services's portfolio in Q1 2026, its #56 holding.
  • MML Investors Services first reported a position in iShares MBS ETF in Q2 2017 and has held it in 36 quarters since.
  • MML Investors Services's iShares MBS ETF position peaked at $179M in Q2 2025.
  • 1,019 funds tracked by Wall St. Rank held iShares MBS ETF as of Q1 2026.

Based on MML Investors Services's 13F filing for Q1 2026, filed 4 May 2026.