Citadel Advisors’s State Street Prime Money Market ETF MMK Stock Holding History

Citadel Advisors’s Portfolio MMK Stock Details MMK Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$1.68M	Buy	+16,777	New	+$1.68M	﹤0.01%	6471

Citadel Advisors's MMK Position: Q1 2026 in Review

Citadel Advisors opened a new position in State Street Prime Money Market ETF (MMK) in Q1 2026: 16,777 shares worth $1.68M. The stake represents ﹤0.01% of the portfolio and ranks #6471 among its holdings.

1 fund tracked by Wall St. Rank holds MMK as of Q1 2026.

Citadel Advisors held 16,777 shares of State Street Prime Money Market ETF worth $1.68M as of Q1 2026.
State Street Prime Money Market ETF was a new Citadel Advisors position in Q1 2026.
State Street Prime Money Market ETF made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #6471 holding.
1 fund tracked by Wall St. Rank held State Street Prime Money Market ETF as of Q1 2026.

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