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Dearborn Partners’s iShares MBS ETF MBB Stock Holding History

Dearborn Partners’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 		$497K Sell
5,236
-227
-4% -$21.7K 0.03% 179
2025
Q4 		$520K Sell
5,463
-198
-3% -$18.9K 0.03% 176
2025
Q3 		$539K Buy
+5,661
New +$532K 0.03% 173

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

Dearborn Partners's MBB Position: Q1 2026 in Review

Dearborn Partners reduced its iShares MBS ETF (MBB) stake by 4.2% in Q1 2026, selling an estimated $21.7K and leaving 5,236 shares worth $497K. The position accounts for 0.03% of the portfolio, ranked #179.

Dearborn Partners first reported a position in MBB in Q3 2025 and has held it in 3 quarters since. The position peaked at $539K in Q3 2025. 1,019 funds tracked by Wall St. Rank hold MBB as of Q1 2026.

  • Dearborn Partners held 5,236 shares of iShares MBS ETF worth $497K as of Q1 2026.
  • Dearborn Partners sold 227 iShares MBS ETF shares in Q1 2026, an estimated $21.7K.
  • iShares MBS ETF made up 0.03% of Dearborn Partners's portfolio in Q1 2026, its #179 holding.
  • Dearborn Partners first reported a position in iShares MBS ETF in Q3 2025 and has held it in 3 quarters since.
  • Dearborn Partners's iShares MBS ETF position peaked at $539K in Q3 2025.
  • 1,019 funds tracked by Wall St. Rank held iShares MBS ETF as of Q1 2026.

Based on Dearborn Partners's 13F filing for Q1 2026, filed 12 May 2026.