Ken Griffin’s MAX S&P 500 4x Leveraged ETN SPYU Stock Holding History

Ken Griffin’s Portfolio SPYU Stock Details SPYU Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$468K	Buy	22,456 +6,992	+45%	+$182K	﹤0.01%	9468
2025 Q4	$424K	Buy	+15,464	New	+$424K	﹤0.01%	9416
2025 Q1	–	Sell	-22,482	Closed	-$525K	–	15778
2024 Q4	$525K	Sell	22,482 -112,956	-83%	-$2.81M	﹤0.01%	8446
2024 Q3	$3.18M	Sell	135,438 -32,082	-19%	-$680K	﹤0.01%	4688
2024 Q2	$3.53M	Buy	167,520 +27,402	+20%	+$513K	﹤0.01%	4312
2024 Q1	$2.74M	Buy	+140,118	New	+$2.34M	﹤0.01%	4942

Other funds holding SPYU

MFA

Millington Financial Advisors Naperville, Illinois $254M AUM 29.05% 1-Year Est. Return

Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return

Jane Street New York $777B AUM 61.18% 1-Year Est. Return

TRCT

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

IMC Chicago Chicago, Illinois $419B AUM 72.04% 1-Year Est. Return

TSS

Two Sigma Securities New York $861M AUM 21.33% 1-Year Est. Return

SignatureFD Atlanta, Georgia $7.49B AUM 24.82% 1-Year Est. Return

SSG

Summit Securities Group New York $1.05B AUM 36.17% 1-Year Est. Return

UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

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

Ken Griffin's SPYU Position: Q1 2026 in Review

Ken Griffin increased its MAX S&P 500 4x Leveraged ETN (SPYU) stake by 45% in Q1 2026, buying an estimated $182K and bringing the position to 22,456 shares worth $468K. The position accounts for ﹤0.01% of the portfolio, ranked #9468.

Ken Griffin first reported a position in SPYU in Q1 2024 and has held it in 6 quarters since. The position peaked at $3.53M in Q2 2024. 13 funds tracked by Wall St. Rank hold SPYU as of Q1 2026.

Ken Griffin held 22,456 shares of MAX S&P 500 4x Leveraged ETN worth $468K as of Q1 2026.
Ken Griffin bought 6,992 MAX S&P 500 4x Leveraged ETN shares in Q1 2026, an estimated $182K.
MAX S&P 500 4x Leveraged ETN made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #9468 holding.
Ken Griffin first reported a position in MAX S&P 500 4x Leveraged ETN in Q1 2024 and has held it in 6 quarters since.
Ken Griffin's MAX S&P 500 4x Leveraged ETN position peaked at $3.53M in Q2 2024.
13 funds tracked by Wall St. Rank held MAX S&P 500 4x Leveraged ETN as of Q1 2026.

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