Ken Griffin
IRMD icon

Ken Griffin’s iRadimed IRMD Stock Holding History

Ken Griffin’s Portfolio IRMD Stock Details IRMD Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$558K Buy
+5,800
New +$580K ﹤0.01% 9038
2025
Q4 		– Sell
-5,300
Closed -$377K – 13353
2025
Q3 		$377K Buy
+5,300
New +$353K ﹤0.01% 9814
2025
Q1 		– Sell
-900
Closed -$49.5K – 15010
2024
Q4 		$49.5K Buy
+900
New +$47.4K ﹤0.01% 12402
2024
Q3 		– Sell
-100
Closed -$4.39K – 14717
2024
Q2 		$4.39K Sell
100
-1,900
-95% -$80.8K ﹤0.01% 13489
2024
Q1 		$88K Buy
2,000
+400
+25% +$17.7K ﹤0.01% 11525
2023
Q4 		$76K Buy
+1,600
New +$67.3K ﹤0.01% 11284

Other funds holding IRMD

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
CCM
Copeland Capital Management Conshohocken, Pennsylvania $4.87B AUM 31.21% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Kayne Anderson Rudnick Investment Management
Kayne Anderson Rudnick Investment Management Los Angeles, California $34B AUM 6.31% 1-Year Est. Return
NTCM
Nine Ten Capital Management Chicago, Illinois $315M AUM 62.95% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Ken Griffin's IRMD Position: Q1 2026 in Review

Ken Griffin reduced its iRadimed (IRMD) stake by 42% in Q1 2026, selling an estimated $2.33M and leaving 32,504 shares worth $3.13M. The position accounts for ﹤0.01% of the portfolio, ranked #5185.

Ken Griffin first reported a position in IRMD in Q1 2020 and has held it in 17 quarters since. The position peaked at $5.42M in Q4 2025. 228 funds tracked by Wall St. Rank hold IRMD as of Q1 2026.

  • Ken Griffin held 32,504 shares of iRadimed worth $3.13M as of Q1 2026.
  • Ken Griffin sold 23,254 iRadimed shares in Q1 2026, an estimated $2.33M.
  • iRadimed made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #5185 holding.
  • Ken Griffin first reported a position in iRadimed in Q1 2020 and has held it in 17 quarters since.
  • Ken Griffin's iRadimed position peaked at $5.42M in Q4 2025.
  • 228 funds tracked by Wall St. Rank held iRadimed as of Q1 2026.

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