Ken Griffin’s YieldMax MSTR Option Income Strategy ETF MSTY Stock Holding History

Ken Griffin’s Portfolio MSTY Stock Details MSTY Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$2.02M	Sell	94,760 -52,760	-36%	-$1.35M	﹤0.01%	6048
2025 Q4	$4.37M	Sell	147,520 -12,000	-8%	-$560K	﹤0.01%	4484
2025 Q3	$11.1M	Buy	159,520 +26,000	+19%	+$2.36M	﹤0.01%	3118
2025 Q2	$14.8M	Buy	133,520 +67,120	+101%	+$7.37M	﹤0.01%	2531
2025 Q1	$6.75M	Buy	66,400 +24,540	+59%	+$3.03M	﹤0.01%	3421
2024 Q4	$5.51M	Buy	41,860 +19,280	+85%	+$3.05M	﹤0.01%	3798
2024 Q3	$2.84M	Buy	22,580 +17,260	+324%	+$2.15M	﹤0.01%	4884
2024 Q2	$768K	Buy	+5,320	New	+$861K	﹤0.01%	7140

Other funds holding MSTY

Tidal Investments Milwaukee, Wisconsin $47.4B AUM 59.58% 1-Year Est. Return

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

UBS Group Zurich, Switzerland $666B AUM 30.12% 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

Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

OMC

Old Mission Capital Chicago, Illinois $6.3B AUM 14.68% 1-Year Est. Return

Group One Trading Chicago, Illinois $52.2B AUM 104.56% 1-Year Est. Return

FIA

FNY Investment Advisers New York $278M AUM 98.99% 1-Year Est. Return

Aspiring Ventures Cincinnati, Ohio $411M AUM 21.06% 1-Year Est. Return

Ken Griffin's MSTY Position: Q1 2026 in Review

Ken Griffin opened a new position in YieldMax MSTR Option Income Strategy ETF (MSTY) in Q1 2026: 47,614 shares worth $1.01M. The stake represents ﹤0.01% of the portfolio and ranks #7619 among its holdings. This is a return to the name: Ken Griffin previously reported a position in MSTY as recently as Q1 2025.

Ken Griffin first reported a position in MSTY in Q2 2024 and has held it in 4 quarters since. The position peaked at $1.25M in Q4 2024. 76 funds tracked by Wall St. Rank hold MSTY as of Q1 2026.

Ken Griffin held 47,614 shares of YieldMax MSTR Option Income Strategy ETF worth $1.01M as of Q1 2026.
YieldMax MSTR Option Income Strategy ETF was a new Ken Griffin position in Q1 2026.
YieldMax MSTR Option Income Strategy ETF made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #7619 holding.
Ken Griffin first reported a position in YieldMax MSTR Option Income Strategy ETF in Q2 2024 and has held it in 4 quarters since.
Ken Griffin's YieldMax MSTR Option Income Strategy ETF position peaked at $1.25M in Q4 2024.
76 funds tracked by Wall St. Rank held YieldMax MSTR Option Income Strategy ETF as of Q1 2026.

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