Citigroup
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Citigroup’s iShares MBS ETF MBB Stock Holding History

Citigroup’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
2022
Q4 		– Sell
-1,000,000
Closed -$91.6M – 5876
2022
Q3 		$91.6M Buy
+1,000,000
New +$96.9M 0.07% 235

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

Citigroup's MBB Position: Q2 2026 in Review

Citigroup increased its iShares MBS ETF (MBB) stake by 95% in Q2 2026, buying an estimated $2.9M and bringing the position to 62,874 shares worth $5.94M. The position accounts for ﹤0.01% of the portfolio, ranked #2002.

Citigroup first reported a position in MBB in Q2 2013 and has held it in 53 quarters since. The position peaked at $12.2M in Q4 2025. 1,028 funds tracked by Wall St. Rank hold MBB as of Q2 2026.

  • Citigroup held 62,874 shares of iShares MBS ETF worth $5.94M as of Q2 2026.
  • Citigroup bought 30,635 iShares MBS ETF shares in Q2 2026, an estimated $2.9M.
  • iShares MBS ETF made up ﹤0.01% of Citigroup's portfolio in Q2 2026, its #2002 holding.
  • Citigroup first reported a position in iShares MBS ETF in Q2 2013 and has held it in 53 quarters since.
  • Citigroup's iShares MBS ETF position peaked at $12.2M in Q4 2025.
  • 1,028 funds tracked by Wall St. Rank held iShares MBS ETF as of Q2 2026.

Based on Citigroup's 13F filing for Q2 2026, filed 3 Aug 2026.