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Tortoise Investment Management’s iShares MBS ETF MBB Stock Holding History

Tortoise Investment Management’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
Q2 		$568K Sell
6,005
-484
-7% -$45.8K 0.04% 163
2026
Q1 		$616K Sell
6,489
-30,513
-82% -$2.92M 0.05% 145
2025
Q4 		$3.52M Sell
37,002
-14,884
-29% -$1.42M 0.31% 73
2025
Q3 		$4.94M Sell
51,886
-18,945
-27% -$1.78M 0.44% 60
2025
Q2 		$6.65M Sell
70,831
-7,330
-9% -$679K 0.63% 50
2025
Q1 		$7.33M Sell
78,161
-38,488
-33% -$3.56M 0.76% 44
2024
Q4 		$10.7M Sell
116,649
-21,116
-15% -$1.97M 1.13% 30
2024
Q3 		$13.2M Sell
137,765
-80,579
-37% -$7.62M 1.38% 21
2024
Q2 		$20M Sell
218,344
-4,070
-2% -$371K 2.29% 6
2024
Q1 		$20.6M Sell
222,414
-7,347
-3% -$680K 2.5% 5
2023
Q4 		$21.6M Sell
229,761
-76,547
-25% -$6.87M 2.93% 4
2023
Q3 		$27.2M Buy
306,308
+32,820
+12% +$3M 4.05% 3
2023
Q2 		$25.5M Buy
273,488
+76,909
+39% +$7.23M 3.79% 3
2023
Q1 		$18.6M Buy
196,579
+33,445
+21% +$3.16M 2.97% 4
2022
Q4 		$15.1M Buy
163,134
+14,020
+9% +$1.29M 2.65% 6
2022
Q3 		$13.7M Buy
149,114
+25,880
+21% +$2.51M 2.66% 5
2022
Q2 		$12M Buy
123,234
+58,192
+89% +$5.71M 2.36% 7
2022
Q1 		$6.63M Sell
65,042
-86,857
-57% -$9.06M 1.23% 21
2021
Q4 		$16.3M Sell
151,899
-18,267
-11% -$1.97M 3.05% 7
2021
Q3 		$18.4M Sell
170,166
-23,075
-12% -$2.5M 3.72% 3
2021
Q2 		$20.9M Sell
193,241
-96,045
-33% -$10.4M 4.32% 3
2021
Q1 		$31.4M Sell
289,286
-41,544
-13% -$4.55M 6.89% 2
2020
Q4 		$36.4M Buy
330,830
+79,449
+32% +$8.75M 8.31% 2
2020
Q3 		$27.8M Buy
251,381
+17,424
+7% +$1.93M 6.77% 2
2020
Q2 		$25.9M Buy
233,957
+22,556
+11% +$2.5M 6.69% 2
2020
Q1 		$23.3M Buy
211,401
+29,508
+16% +$3.21M 6.77% 2
2019
Q4 		$19.7M Buy
181,893
+142,259
+359% +$15.4M 4.63% 3
2019
Q3 		$4.29M Buy
+39,634
New +$4.28M 1.11% 25
2013
Q4 		– Sell
-275
Closed -$29K – 367
2013
Q3 		$29K Hold
275
– – 0.02% 186
2013
Q2 		$29K Buy
+275
New +$29.4K 0.02% 177

Other funds holding MBB

Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Envestnet Asset Management
Envestnet Asset Management Chicago, Illinois $424B AUM 22.96% 1-Year Est. Return
LPL Financial
LPL Financial San Diego, California $445B AUM 25.58% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
TWIM
TIAA Wealth Investment Management New York $15B AUM
Ameriprise
Ameriprise Minneapolis, Minnesota $495B AUM 43.24% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
TCIIS
TIAA-CREF Individual & Institutional Services New York $29.1B AUM
Truist Financial
Truist Financial Charlotte, North Carolina $83.7B AUM 27.22% 1-Year Est. Return

Tortoise Investment Management's MBB Position: Q2 2026 in Review

Tortoise Investment Management reduced its iShares MBS ETF (MBB) stake by 7.5% in Q2 2026, selling an estimated $45.8K and leaving 6,005 shares worth $568K. The position accounts for 0.04% of the portfolio, ranked #163.

Tortoise Investment Management first reported a position in MBB in Q2 2013 and has held it in 30 quarters since. The position peaked at $36.4M in Q4 2020. 1,028 funds tracked by Wall St. Rank hold MBB as of Q2 2026.

  • Tortoise Investment Management held 6,005 shares of iShares MBS ETF worth $568K as of Q2 2026.
  • Tortoise Investment Management sold 484 iShares MBS ETF shares in Q2 2026, an estimated $45.8K.
  • iShares MBS ETF made up 0.04% of Tortoise Investment Management's portfolio in Q2 2026, its #163 holding.
  • Tortoise Investment Management first reported a position in iShares MBS ETF in Q2 2013 and has held it in 30 quarters since.
  • Tortoise Investment Management's iShares MBS ETF position peaked at $36.4M in Q4 2020.
  • 1,028 funds tracked by Wall St. Rank held iShares MBS ETF as of Q2 2026.

Based on Tortoise Investment Management's 13F filing for Q2 2026, filed 7 Aug 2026.