Ken Griffin’s State Street SPDR Portfolio Ultra Short T-Bill ETF SPTU Stock Holding History

Ken Griffin’s Portfolio SPTU Stock Details SPTU Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	–	Sell	-362,776	Closed	-$9.1M	–	15361
2026 Q1	$9.1M	Sell	362,776 -15,339	-4%	-$384K	﹤0.01%	3388
2025 Q4	$9.46M	Buy	+378,115	New	+$9.47M	﹤0.01%	3321

Other funds holding SPTU

WWM

Western Wealth Management Golden, Colorado $3.06B AUM 26.31% 1-Year Est. Return

AWM

AE Wealth Management Topeka, Kansas $21.5B AUM 26.98% 1-Year Est. Return

TRCT

Tower Research Capital (TRC) New York $4.08B AUM 58.77% 1-Year Est. Return

Fifth Third Bancorp Cincinnati, Ohio $61.7B AUM 33.76% 1-Year Est. Return

Ken Griffin's SPTU Position: Q2 2026 in Review

Ken Griffin sold out of State Street SPDR Portfolio Ultra Short T-Bill ETF (SPTU) in Q2 2026, closing a stake of 362,776 shares — an estimated $9.1M sold.

Ken Griffin first reported a position in SPTU in Q4 2025 and held it in 2 quarters. The position peaked at $9.46M in Q4 2025. 4 funds tracked by Wall St. Rank hold SPTU as of Q2 2026.

Ken Griffin reported no remaining State Street SPDR Portfolio Ultra Short T-Bill ETF position as of Q2 2026 after selling out during the quarter.
Ken Griffin sold 362,776 State Street SPDR Portfolio Ultra Short T-Bill ETF shares in Q2 2026, an estimated $9.1M.
Ken Griffin first reported a position in State Street SPDR Portfolio Ultra Short T-Bill ETF in Q4 2025 and held it in 2 quarters.
Ken Griffin's State Street SPDR Portfolio Ultra Short T-Bill ETF position peaked at $9.46M in Q4 2025.
4 funds tracked by Wall St. Rank held State Street SPDR Portfolio Ultra Short T-Bill ETF as of Q2 2026.

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