Citadel Advisors
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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
Q3 		– Sell
-36,100
Closed -$31.9K – 13419
2025
Q2 		$31.9K Buy
+36,100
New +$36.8K ﹤0.01% 11963
2024
Q4 		– Sell
-500
Closed -$875 – 14926
2024
Q3 		$875 Hold
500
– – ﹤0.01% 13943
2024
Q2 		$1.08K Sell
500
-4,300
-90% -$11.5K ﹤0.01% 13865
2024
Q1 		$14.3K Sell
4,800
-1,600
-25% -$4.32K ﹤0.01% 13250
2023
Q4 		$18K Buy
6,400
+6,300
+6,300% +$16.5K ﹤0.01% 12708
2023
Q3 		$254 Buy
+100
New +$190 ﹤0.01% 14111
2023
Q1 		– Sell
-1,400
Closed -$2.81K – 15084
2022
Q4 		$2.81K Buy
+1,400
New +$3.11K ﹤0.01% 14279
2021
Q3 		– Sell
-10,400
Closed -$73K – 14219
2021
Q2 		$73K Buy
+10,400
New +$79K ﹤0.01% 13131

Other funds holding IRIX

Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
Morgan Stanley
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
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
Vanguard Fiduciary Trust Malvern, Pennsylvania $454B AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Goldman Sachs
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.