Ken Griffin’s American Century Short Duration Strategic Income ETF SDSI Stock Holding History

Ken Griffin’s Portfolio SDSI Stock Details SDSI Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$330K	Sell	6,435 -26,849	-81%	-$1.39M	﹤0.01%	10266
2025 Q4	$1.72M	Sell	33,284 -46	-0.1%	-$2.38K	﹤0.01%	6238
2025 Q3	$1.72M	Buy	33,330 +504	+2%	+$25.9K	﹤0.01%	6380
2025 Q2	$1.69M	Buy	+32,826	New	+$1.68M	﹤0.01%	6038
2024 Q3	–	Sell	-7,807	Closed	-$397K	–	15126
2024 Q2	$397K	Sell	7,807 -387	-5%	-$19.6K	﹤0.01%	8536
2024 Q1	$417K	Buy	+8,194	New	+$416K	﹤0.01%	8776

Other funds holding SDSI

American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return

RRA

Round Rock Advisors Wilton, Connecticut $654M AUM 22.95% 1-Year Est. Return

Raymond James Financial St Petersburg, Florida $324B AUM 22.36% 1-Year Est. Return

HighTower Advisors Chicago, Illinois $103B AUM 28.65% 1-Year Est. Return

Envestnet Asset Management Chicago, Illinois $424B AUM 22.96% 1-Year Est. Return

PIWA

Prevail Innovative Wealth Advisors Leawood, Kansas $671M AUM 22.71% 1-Year Est. Return

IFP Advisors Tampa, Florida $5.54B AUM 27.43% 1-Year Est. Return

CWM

Clearview Wealth Management Irvine, California $156M AUM

Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

Osaic Holdings Scottsdale, Arizona $68.3B AUM 20.5% 1-Year Est. Return

Ken Griffin's SDSI Position: Q1 2026 in Review

Ken Griffin reduced its American Century Short Duration Strategic Income ETF (SDSI) stake by 81% in Q1 2026, selling an estimated $1.39M and leaving 6,435 shares worth $330K. The position accounts for ﹤0.01% of the portfolio, ranked #10266.

Ken Griffin first reported a position in SDSI in Q1 2024 and has held it in 6 quarters since. The position peaked at $1.72M in Q3 2025. 36 funds tracked by Wall St. Rank hold SDSI as of Q1 2026.

Ken Griffin held 6,435 shares of American Century Short Duration Strategic Income ETF worth $330K as of Q1 2026.
Ken Griffin sold 26,849 American Century Short Duration Strategic Income ETF shares in Q1 2026, an estimated $1.39M.
American Century Short Duration Strategic Income ETF made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #10266 holding.
Ken Griffin first reported a position in American Century Short Duration Strategic Income ETF in Q1 2024 and has held it in 6 quarters since.
Ken Griffin's American Century Short Duration Strategic Income ETF position peaked at $1.72M in Q3 2025.
36 funds tracked by Wall St. Rank held American Century Short Duration Strategic Income ETF as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.