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
-14,800
Closed -$327K 14012
2025
Q2
$327K Sell
14,800
-20,800
-58% -$453K ﹤0.01% 9604
2025
Q1
$785K Buy
35,600
+30,100
+547% +$654K ﹤0.01% 7497
2024
Q4
$119K Buy
+5,500
New +$120K ﹤0.01% 11212
2024
Q2
Sell
-29,000
Closed -$630K 15332
2024
Q1
$630K Buy
29,000
+900
+3% +$19.5K ﹤0.01% 7879
2023
Q4
$620K Buy
28,100
+6,600
+31% +$139K ﹤0.01% 7638
2023
Q3
$447K Buy
+21,500
New +$461K ﹤0.01% 8294
2023
Q2
Sell
-100
Closed -$2.22K 15173
2023
Q1
$2.22K Sell
100
-1,000
-91% -$22.1K ﹤0.01% 14179
2022
Q4
$23.9K Buy
+1,100
New +$23.7K ﹤0.01% 12998

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.