Citadel Advisors’s State Street SPDR Portfolio Mortgage Backed Bond ETF SPMB Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q3
Sell
-22,500
Closed -$497K 14013
2025
Q2
$497K Buy
22,500
+19,200
+582% +$419K ﹤0.01% 8651
2025
Q1
$72.8K Buy
+3,300
New +$71.8K ﹤0.01% 11863
2024
Q3
Sell
-12,300
Closed -$265K 15178
2024
Q2
$265K Sell
12,300
-39,300
-76% -$840K ﹤0.01% 9382
2024
Q1
$1.12M Buy
51,600
+51,500
+51,500% +$1.12M ﹤0.01% 6694
2023
Q4
$2.21K Sell
100
-6,500
-98% -$137K ﹤0.01% 13726
2023
Q3
$137K Buy
+6,600
New +$141K ﹤0.01% 10490

Other funds holding SPMB

Citadel Advisors's SPMB Position: Q4 2025 in Review

Citadel Advisors sold out of State Street SPDR Portfolio Mortgage Backed Bond ETF (SPMB) in Q4 2025, closing a stake of 361,727 shares — an estimated $8.12M sold.

Citadel Advisors first reported a position in SPMB in Q4 2016 and held it in 24 quarters. The position peaked at $47.7M in Q4 2020. 248 funds tracked by Wall St. Rank hold SPMB as of Q4 2025.

  • Citadel Advisors reported no remaining State Street SPDR Portfolio Mortgage Backed Bond ETF position as of Q4 2025 after selling out during the quarter.
  • Citadel Advisors sold 361,727 State Street SPDR Portfolio Mortgage Backed Bond ETF shares in Q4 2025, an estimated $8.12M.
  • Citadel Advisors first reported a position in State Street SPDR Portfolio Mortgage Backed Bond ETF in Q4 2016 and held it in 24 quarters.
  • Citadel Advisors's State Street SPDR Portfolio Mortgage Backed Bond ETF position peaked at $47.7M in Q4 2020.
  • 248 funds tracked by Wall St. Rank held State Street SPDR Portfolio Mortgage Backed Bond ETF as of Q4 2025.

Based on Citadel Advisors's 13F filing for Q4 2025, filed 17 Feb 2026.