Ken Griffin
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Ken Griffin’s Inhibrx INBX Stock Holding History

Ken Griffin’s Portfolio INBX Stock Details INBX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$242K Sell
3,600
-133,800
-97% -$9.92M ﹤0.01% 10982
2025
Q4 		$10.9M Buy
+137,400
New +$9.36M ﹤0.01% 3153
2025
Q2 		– Sell
-400
Closed -$5.6K – 13728
2025
Q1 		$5.6K Sell
400
-1,000
-71% -$13.6K ﹤0.01% 13809
2024
Q4 		$21.6K Sell
1,400
-4,400
-76% -$67K ﹤0.01% 13133
2024
Q3 		$90.8K Buy
+5,800
New +$81.5K ﹤0.01% 11249

Other funds holding INBX

PA
Perceptive Advisors New York $5.12B AUM 314.02% 1-Year Est. Return
Viking Global Investors
Viking Global Investors Stamford, Connecticut $35.7B AUM 21.3% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
S
Sanofi Paris, France $534M AUM 205.96% 1-Year Est. Return
HighTower Advisors
HighTower Advisors Chicago, Illinois $103B AUM 28.65% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
SI
Sofinnova Investments Menlo Park, California $2.63B AUM 117.41% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $717B AUM 35.42% 1-Year Est. Return

Ken Griffin's INBX Position: Q1 2026 in Review

Ken Griffin increased its Inhibrx (INBX) stake by 23% in Q1 2026, buying an estimated $464K and bringing the position to 33,157 shares worth $2.23M. The position accounts for ﹤0.01% of the portfolio, ranked #5861.

Ken Griffin first reported a position in INBX in Q3 2025 and has held it in 3 quarters since. 135 funds tracked by Wall St. Rank hold INBX as of Q1 2026.

  • Ken Griffin held 33,157 shares of Inhibrx worth $2.23M as of Q1 2026.
  • Ken Griffin bought 6,257 Inhibrx shares in Q1 2026, an estimated $464K.
  • Inhibrx made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #5861 holding.
  • Ken Griffin first reported a position in Inhibrx in Q3 2025 and has held it in 3 quarters since.
  • 135 funds tracked by Wall St. Rank held Inhibrx as of Q1 2026.

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