Wells Fargo’s iShares MBS ETF MBB Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2024
Q3
– Sell
-300,000
Closed -$27.5M – 6997
2024
Q2
$27.5M Buy
+300,000
New +$27.3M 0.01% 1052

Other funds holding MBB

Wells Fargo's MBB Position: Q2 2026 in Review

Wells Fargo increased its iShares MBS ETF (MBB) stake by 7.4% in Q2 2026, buying an estimated $19M and bringing the position to 2,912,422 shares worth $275M. The position accounts for 0.04% of the portfolio, ranked #336.

Wells Fargo first reported a position in MBB in Q2 2013 and has held it in 53 quarters since. The position peaked at $1B in Q3 2019. 1,029 funds tracked by Wall St. Rank hold MBB as of Q2 2026.

  • Wells Fargo held 2,912,422 shares of iShares MBS ETF worth $275M as of Q2 2026.
  • Wells Fargo bought 201,401 iShares MBS ETF shares in Q2 2026, an estimated $19M.
  • iShares MBS ETF made up 0.04% of Wells Fargo's portfolio in Q2 2026, its #336 holding.
  • Wells Fargo first reported a position in iShares MBS ETF in Q2 2013 and has held it in 53 quarters since.
  • Wells Fargo's iShares MBS ETF position peaked at $1B in Q3 2019.
  • 1,029 funds tracked by Wall St. Rank held iShares MBS ETF as of Q2 2026.

Based on Wells Fargo's 13F filing for Q2 2026, filed 14 Aug 2026.