Citadel Advisors’s iShares Mortgage-Backed Securities Active ETF MBBA Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$931K Sell
18,713
-2,112
-10% -$105K ﹤0.01% 8374
2026
Q1
$1.04M Buy
+20,825
New +$1.05M ﹤0.01% 7576

Other funds holding MBBA

Citadel Advisors's MBBA Position: Q2 2026 in Review

Citadel Advisors reduced its iShares Mortgage-Backed Securities Active ETF (MBBA) stake by 10% in Q2 2026, selling an estimated $105K and leaving 18,713 shares worth $931K. The position accounts for ﹤0.01% of the portfolio, ranked #8374.

Citadel Advisors first reported a position in MBBA in Q1 2026 and has held it in 2 quarters since. The position peaked at $1.04M in Q1 2026. 31 funds tracked by Wall St. Rank hold MBBA as of Q2 2026.

  • Citadel Advisors held 18,713 shares of iShares Mortgage-Backed Securities Active ETF worth $931K as of Q2 2026.
  • Citadel Advisors sold 2,112 iShares Mortgage-Backed Securities Active ETF shares in Q2 2026, an estimated $105K.
  • iShares Mortgage-Backed Securities Active ETF made up ﹤0.01% of Citadel Advisors's portfolio in Q2 2026, its #8374 holding.
  • Citadel Advisors first reported a position in iShares Mortgage-Backed Securities Active ETF in Q1 2026 and has held it in 2 quarters since.
  • Citadel Advisors's iShares Mortgage-Backed Securities Active ETF position peaked at $1.04M in Q1 2026.
  • 31 funds tracked by Wall St. Rank held iShares Mortgage-Backed Securities Active ETF as of Q2 2026.

Based on Citadel Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.