CIBC Asset Management
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CIBC Asset Management’s iShares MBS ETF MBB Stock Holding History

CIBC Asset 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
Q1 		– Sell
-649,680
Closed -$61.9M – 1411
2025
Q4 		$61.9M Sell
649,680
-13,000
-2% -$1.24M 0.15% 115
2025
Q3 		$63.1M Buy
662,680
+36,711
+6% +$3.45M 0.18% 92
2025
Q2 		$58.8M Buy
625,969
+49,678
+9% +$4.6M 0.18% 94
2025
Q1 		$54M Buy
576,291
+10,005
+2% +$925K 0.18% 96
2024
Q4 		$51.9M Sell
566,286
-9,388
-2% -$874K 0.17% 100
2024
Q3 		$55.2M Sell
575,674
-3,984
-0.7% -$377K 0.18% 96
2024
Q2 		$53.2M Buy
579,658
+99,445
+21% +$9.06M 0.19% 91
2024
Q1 		$44.4M Buy
480,213
+65,106
+16% +$6.02M 0.15% 106
2023
Q4 		$39.1M Sell
415,107
-1,727
-0.4% -$155K 0.15% 111
2023
Q3 		$37M Buy
416,834
+8,477
+2% +$775K 0.15% 109
2023
Q2 		$38.1M Hold
408,357
– – 0.15% 111
2023
Q1 		$38.7M Buy
408,357
+168,012
+70% +$15.9M 0.15% 113
2022
Q4 		$22.3M Sell
240,345
-239,566
-50% -$22.1M 0.09% 144
2022
Q3 		$44M Buy
479,911
+1,834
+0.4% +$178K 0.19% 87
2022
Q2 		$46.6M Buy
478,077
+142,660
+43% +$14M 0.19% 82
2022
Q1 		$34.2M Buy
335,417
+79,004
+31% +$8.25M 0.12% 111
2021
Q4 		$27.5M Buy
256,413
+160,531
+167% +$17.3M 0.1% 128
2021
Q3 		$10.4M Buy
+95,882
New +$10.4M 0.04% 226

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

CIBC Asset Management's MBB Position: Q1 2026 in Review

CIBC Asset Management sold out of iShares MBS ETF (MBB) in Q1 2026, closing a stake of 649,680 shares — an estimated $61.9M sold.

CIBC Asset Management first reported a position in MBB in Q3 2021 and held it in 18 quarters. The position peaked at $63.1M in Q3 2025. 1,026 funds tracked by Wall St. Rank hold MBB as of Q1 2026.

  • CIBC Asset Management reported no remaining iShares MBS ETF position as of Q1 2026 after selling out during the quarter.
  • CIBC Asset Management sold 649,680 iShares MBS ETF shares in Q1 2026, an estimated $61.9M.
  • CIBC Asset Management first reported a position in iShares MBS ETF in Q3 2021 and held it in 18 quarters.
  • CIBC Asset Management's iShares MBS ETF position peaked at $63.1M in Q3 2025.
  • 1,026 funds tracked by Wall St. Rank held iShares MBS ETF as of Q1 2026.

Based on CIBC Asset Management's 13F filing for Q1 2026, filed 12 May 2026.