Citadel Advisors’s OIO Group OIO Stock Holding History

Citadel Advisors’s Portfolio OIO Stock Details OIO Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$114K	Buy	+49,797	New	+$189K	﹤0.01%	12595
2026 Q1	–	Sell	-3,684	Closed	-$44.2K	–	13292
2025 Q4	$44.2K	Sell	3,684 -1,857	-34%	-$21.9K	﹤0.01%	12084
2025 Q3	$63.5K	Buy	+5,541	New	+$52.2K	﹤0.01%	12080
2024 Q4	–	Sell	-3,798	Closed	-$24.5K	–	14723
2024 Q3	$24.5K	Sell	3,798 -5,851	-61%	-$24.8K	﹤0.01%	12617
2024 Q2	$34.7K	Buy	9,649 +5,135	+114%	+$12.2K	﹤0.01%	12134
2024 Q1	$5.82K	Buy	+4,514	New	+$6.66K	﹤0.01%	13721

Other funds holding OIO

XTX Topco George Town, Cayman Islands $7.72B AUM 32.88% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

CIAM

Caitong International Asset Management Hong Kong $729M AUM 1,176.98% 1-Year Est. Return

Citadel Advisors's OIO Position: Q2 2026 in Review

Citadel Advisors opened a new position in OIO Group (OIO) in Q2 2026: 49,797 shares worth $114K. The stake represents ﹤0.01% of the portfolio and ranks #12595 among its holdings. This is a return to the name: Citadel Advisors previously reported a position in OIO as recently as Q4 2025.

Citadel Advisors first reported a position in OIO in Q1 2024 and has held it in 6 quarters since. 4 funds tracked by Wall St. Rank hold OIO as of Q2 2026.

Citadel Advisors held 49,797 shares of OIO Group worth $114K as of Q2 2026.
OIO Group was a new Citadel Advisors position in Q2 2026.
OIO Group made up ﹤0.01% of Citadel Advisors's portfolio in Q2 2026, its #12595 holding.
Citadel Advisors first reported a position in OIO Group in Q1 2024 and has held it in 6 quarters since.
4 funds tracked by Wall St. Rank held OIO Group as of Q2 2026.

Based on Citadel Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.