Citadel Advisors’s IRIDEX IRIX Stock Holding History

Citadel Advisors’s Portfolio IRIX Stock Details IRIX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q2	–	Sell	-2,000	Closed	-$1.98K	–	13767
2025 Q1	$1.98K	Sell	2,000 -2,400	-55%	-$3.39K	﹤0.01%	14078
2024 Q4	$7.39K	Sell	4,400 -3,400	-44%	-$5.61K	﹤0.01%	13741
2024 Q3	$13.7K	Sell	7,800 -5,400	-41%	-$10.6K	﹤0.01%	13054
2024 Q2	$28.5K	Sell	13,200 -13,300	-50%	-$35.6K	﹤0.01%	12318
2024 Q1	$79K	Sell	26,500 -10,600	-29%	-$28.6K	﹤0.01%	11671
2023 Q4	$104K	Buy	37,100 +22,300	+151%	+$58.5K	﹤0.01%	10881
2023 Q3	$37.6K	Buy	+14,800	New	+$28.1K	﹤0.01%	12068
2023 Q1	–	Sell	-500	Closed	-$1K	–	15085
2022 Q4	$1K	Buy	+500	New	+$1.11K	﹤0.01%	14545

Other funds holding IRIX

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

WCM

Weber Capital Management San Francisco, California $118M AUM

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

PCM

Perkins Capital Management Wayzata, Minnesota $133M AUM 127.86% 1-Year Est. Return

Vanguard Fiduciary Trust Malvern, Pennsylvania $454B AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

UCFA

United Capital Financial Advisors Irving, Texas $18.2B AUM 22.02% 1-Year Est. Return

Citadel Advisors's IRIX Position: Q2 2026 in Review

Citadel Advisors increased its IRIDEX (IRIX) stake by 63% in Q2 2026, buying an estimated $40.8K and bringing the position to 98,950 shares worth $113K. The position accounts for ﹤0.01% of the portfolio, ranked #12597.

Citadel Advisors first reported a position in IRIX in Q2 2021 and has held it in 16 quarters since. The position peaked at $126K in Q3 2025. 29 funds tracked by Wall St. Rank hold IRIX as of Q2 2026.

Citadel Advisors held 98,950 shares of IRIDEX worth $113K as of Q2 2026.
Citadel Advisors bought 38,099 IRIDEX shares in Q2 2026, an estimated $40.8K.
IRIDEX made up ﹤0.01% of Citadel Advisors's portfolio in Q2 2026, its #12597 holding.
Citadel Advisors first reported a position in IRIDEX in Q2 2021 and has held it in 16 quarters since.
Citadel Advisors's IRIDEX position peaked at $126K in Q3 2025.
29 funds tracked by Wall St. Rank held IRIDEX as of Q2 2026.

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