Ken Griffin’s Ioneer IONR Stock Holding History

Ken Griffin’s Portfolio IONR Stock Details IONR Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-56,915	Closed	-$273K	–	13580
2025 Q4	$273K	Buy	+56,915	New	+$279K	﹤0.01%	10351
2025 Q3	–	Sell	-16,330	Closed	-$42.8K	–	13412
2025 Q2	$42.8K	Buy	+16,330	New	+$55.2K	﹤0.01%	11844

Other funds holding IONR

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

IWC

Integrated Wealth Concepts Waltham, Massachusetts $20.5B AUM 24.45% 1-Year Est. Return

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

Citigroup New York $303B AUM 53.02% 1-Year Est. Return

Cambridge Investment Research Advisors Fairfield, Iowa $44.6B AUM 28.94% 1-Year Est. Return

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

Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

Luther King Capital Management (LKCM) Fort Worth, Texas $24.4B AUM 22.19% 1-Year Est. Return

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

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

Ken Griffin's IONR Position: Q1 2026 in Review

Ken Griffin sold out of Ioneer (IONR) in Q1 2026, closing a stake of 56,915 shares — an estimated $273K sold.

Ken Griffin first reported a position in IONR in Q2 2025 and held it in 2 quarters. The position peaked at $273K in Q4 2025. 22 funds tracked by Wall St. Rank hold IONR as of Q1 2026.

Ken Griffin reported no remaining Ioneer position as of Q1 2026 after selling out during the quarter.
Ken Griffin sold 56,915 Ioneer shares in Q1 2026, an estimated $273K.
Ken Griffin first reported a position in Ioneer in Q2 2025 and held it in 2 quarters.
Ken Griffin's Ioneer position peaked at $273K in Q4 2025.
22 funds tracked by Wall St. Rank held Ioneer as of Q1 2026.

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