Ken Griffin
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Ken Griffin’s State Street SPDR Portfolio Mortgage Backed Bond ETF SPMB Stock Holding History

Ken Griffin’s Portfolio SPMB Stock Details SPMB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-361,727
Closed -$8.12M – 13985
2025
Q3 		$8.12M Buy
+361,727
New +$8.01M ﹤0.01% 3571
2025
Q1 		– Sell
-269,225
Closed -$5.85M – 15500
2024
Q4 		$5.8M Buy
269,225
+151,043
+128% +$3.31M ﹤0.01% 3725
2024
Q3 		$2.66M Buy
118,182
+89,948
+319% +$2M ﹤0.01% 5000
2024
Q2 		$609K Buy
28,234
+26,930
+2,065% +$576K ﹤0.01% 7638
2024
Q1 		$28.3K Sell
1,304
-14,713
-92% -$319K ﹤0.01% 12746
2023
Q4 		$353K Sell
16,017
-278,240
-95% -$5.85M ﹤0.01% 8818
2023
Q3 		$6.12M Buy
+294,257
New +$6.31M ﹤0.01% 3343
2023
Q2 		– Sell
-90,077
Closed -$2M – 15174
2023
Q1 		$2M Buy
90,077
+38,480
+75% +$851K ﹤0.01% 5371
2022
Q4 		$1.12M Sell
51,597
-293,667
-85% -$6.34M ﹤0.01% 6596
2022
Q3 		$7.41M Buy
345,264
+309,244
+859% +$7.03M ﹤0.01% 3211
2022
Q2 		$823K Buy
36,020
+13,964
+63% +$322K ﹤0.01% 7478
2022
Q1 		$528K Buy
+22,056
New +$543K ﹤0.01% 9261
2021
Q4 		– Sell
-615,325
Closed -$15.8M – 14705
2021
Q3 		$15.8M Buy
615,325
+352,374
+134% +$9.1M ﹤0.01% 2347
2021
Q2 		$6.8M Sell
262,951
-618,207
-70% -$16M ﹤0.01% 3799
2021
Q1 		$22.8M Sell
881,158
-922,649
-51% -$24.2M 0.01% 1799
2020
Q4 		$47.7M Buy
1,803,807
+719,264
+66% +$19.1M 0.01% 977
2020
Q3 		$28.9M Buy
1,084,543
+942,490
+663% +$25.2M 0.01% 1260
2020
Q2 		$3.81M Sell
142,053
-1,532,747
-92% -$41.1M ﹤0.01% 3476
2020
Q1 		$44.7M Buy
1,674,800
+1,638,049
+4,457% +$43M 0.02% 695
2019
Q4 		$960K Buy
+36,751
New +$963K ﹤0.01% 5648
2019
Q2 		– Sell
-34,704
Closed -$896K – 9805
2019
Q1 		$896K Buy
+34,704
New +$887K ﹤0.01% 5783
2018
Q3 		– Sell
-49,090
Closed -$1.25M – 9666
2018
Q2 		$1.25M Buy
+49,090
New +$1.24M ﹤0.01% 4840
2017
Q2 		– Sell
-15,832
Closed -$417K – 8025
2017
Q1 		$417K Sell
15,832
-1,108
-7% -$29.1K ﹤0.01% 5332
2016
Q4 		$445K Buy
+16,940
New +$451K ﹤0.01% 5084

Other funds holding SPMB

Financial Engines Advisors
Financial Engines Advisors Santa Clara, California $49.2B AUM 14.31% 1-Year Est. Return
LPL Financial
LPL Financial San Diego, California $445B AUM 25.58% 1-Year Est. Return
Stifel Financial
Stifel Financial St. Louis, Missouri $120B AUM 27.84% 1-Year Est. Return
BEI
Benjamin Edwards Inc Clayton, Missouri $11B AUM 18.22% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
CIM
Confluence Investment Management St. Louis, Missouri $6.4B AUM 9.79% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $432B AUM 30.22% 1-Year Est. Return
CI
CX Institutional Auburn, Indiana $3.46B AUM 21.89% 1-Year Est. Return
Carson Wealth (CWM LLC)
Carson Wealth (CWM LLC) Omaha, Nebraska $38.1B AUM 19.66% 1-Year Est. Return
AA
Advisory Alpha Holland, Michigan $4.08B AUM 20.62% 1-Year Est. Return

Ken Griffin's SPMB Position: Q4 2025 in Review

Ken Griffin 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.

Ken Griffin 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.

  • Ken Griffin reported no remaining State Street SPDR Portfolio Mortgage Backed Bond ETF position as of Q4 2025 after selling out during the quarter.
  • Ken Griffin sold 361,727 State Street SPDR Portfolio Mortgage Backed Bond ETF shares in Q4 2025, an estimated $8.12M.
  • Ken Griffin first reported a position in State Street SPDR Portfolio Mortgage Backed Bond ETF in Q4 2016 and held it in 24 quarters.
  • Ken Griffin'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.