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

PAPAIJV
Paragon Associates & Paragon Associates II Joint Venture Dallas, Texas $73.6M AUM 61.93% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
WCM
Weber Capital Management San Francisco, California $100M AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
VFT
Vanguard Fiduciary Trust Malvern, Pennsylvania $396B AUM
UCFA
United Capital Financial Advisors Irving, Texas $16.3B AUM 16.34% 1-Year Est. Return
PCM
Perkins Capital Management Wayzata, Minnesota $133M AUM 127.86% 1-Year Est. Return
TDC
Thompson Davis & Co Richmond, Virginia $167M AUM 33.45% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Citadel Advisors's IRIX Position: Q1 2026 in Review

Citadel Advisors increased its IRIDEX (IRIX) stake by 77% in Q1 2026, buying an estimated $36.1K and bringing the position to 60,851 shares worth $61.5K. The position accounts for ﹤0.01% of the portfolio, ranked #12320.

Citadel Advisors first reported a position in IRIX in Q2 2021 and has held it in 15 quarters since. The position peaked at $126K in Q3 2025. 25 funds tracked by Wall St. Rank hold IRIX as of Q1 2026.

  • Citadel Advisors held 60,851 shares of IRIDEX worth $61.5K as of Q1 2026.
  • Citadel Advisors bought 26,456 IRIDEX shares in Q1 2026, an estimated $36.1K.
  • IRIDEX made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #12320 holding.
  • Citadel Advisors first reported a position in IRIDEX in Q2 2021 and has held it in 15 quarters since.
  • Citadel Advisors's IRIDEX position peaked at $126K in Q3 2025.
  • 25 funds tracked by Wall St. Rank held IRIDEX as of Q1 2026.

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