Ken Griffin
IRD

Ken Griffin’s Opus Genetics IRD Stock Holding History

Ken Griffin’s Portfolio IRD Stock Details IRD Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q2 		– Sell
-1,000
Closed -$982 – 15650
2025
Q1 		$982 Sell
1,000
-800
-44% -$894 ﹤0.01% 14187
2024
Q4 		$2.14K Buy
1,800
+1,000
+125% +$1.15K ﹤0.01% 14113
2024
Q3 		$1.05K Sell
800
-1,200
-60% -$1.85K ﹤0.01% 13912
2024
Q2 		$3.06K Sell
2,000
-4,200
-68% -$7.26K ﹤0.01% 13628
2024
Q1 		$12.5K Buy
6,200
+4,200
+210% +$10.7K ﹤0.01% 13359
2023
Q4 		$6.02K Sell
2,000
-8,900
-82% -$26.3K ﹤0.01% 13385
2023
Q3 		$36.5K Buy
10,900
+2,700
+33% +$10.8K ﹤0.01% 12107
2023
Q2 		$35.6K Buy
8,200
+6,600
+413% +$31.3K ﹤0.01% 12174
2023
Q1 		$6K Sell
1,600
-6,200
-79% -$22.3K ﹤0.01% 13833
2022
Q4 		$27.5K Buy
+7,800
New +$20.5K ﹤0.01% 12835
2022
Q1 		– Sell
-29,800
Closed -$111K – 14760
2021
Q4 		$111K Sell
29,800
-3,900
-12% -$15.6K ﹤0.01% 12613
2021
Q3 		$174K Buy
+33,700
New +$155K ﹤0.01% 12176

Other funds holding IRD

CP
Caligan Partners New York $1.5B AUM 518.95% 1-Year Est. Return
Adage Capital Partners
Adage Capital Partners Boston, Massachusetts $64.8B AUM 42.7% 1-Year Est. Return
BCM
BIOS Capital Management Fort Worth, Texas $52.9M AUM 30.51% 1-Year Est. Return
Balyasny Asset Management
Balyasny Asset Management Chicago, Illinois $77.1B AUM 42.89% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return
BCM
Boxer Capital Management San Diego, California $762M AUM 1,125.36% 1-Year Est. Return
ACM
ADAR1 Capital Management Austin, Texas $1.7B AUM 340.85% 1-Year Est. Return
PA
Perceptive Advisors New York $5.12B AUM 314.02% 1-Year Est. Return

Ken Griffin's IRD Position: Q1 2026 in Review

Ken Griffin reduced its Opus Genetics (IRD) stake by 33% in Q1 2026, selling an estimated $207K and leaving 120,900 shares worth $550K. The position accounts for ﹤0.01% of the portfolio, ranked #9066.

Ken Griffin first reported a position in IRD in Q2 2013 and has held it in 28 quarters since. 79 funds tracked by Wall St. Rank hold IRD as of Q1 2026.

  • Ken Griffin held 120,900 shares of Opus Genetics worth $550K as of Q1 2026.
  • Ken Griffin sold 59,821 Opus Genetics shares in Q1 2026, an estimated $207K.
  • Opus Genetics made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #9066 holding.
  • Ken Griffin first reported a position in Opus Genetics in Q2 2013 and has held it in 28 quarters since.
  • 79 funds tracked by Wall St. Rank held Opus Genetics as of Q1 2026.

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