Jane Street
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Jane Street’s Inhibrx INBX Stock Holding History

Jane Street’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 		$618K Sell
9,196
-23,823
-72% -$1.77M ﹤0.01% 7545
2025
Q4 		$2.61M Sell
33,019
-29,922
-48% -$2.04M ﹤0.01% 4309
2025
Q3 		$2.12M Buy
62,941
+43,568
+225% +$1.07M ﹤0.01% 4827
2025
Q2 		$276K Sell
19,373
-6,927
-26% -$89.5K ﹤0.01% 8000
2025
Q1 		$368K Sell
26,300
-62,119
-70% -$844K ﹤0.01% 7461
2024
Q4 		$1.36M Sell
88,419
-9,587
-10% -$146K ﹤0.01% 4829
2024
Q3 		$1.53M Sell
98,006
-4,755
-5% -$66.8K ﹤0.01% 5006
2024
Q2 		$1.46M Buy
+102,761
New +$1.61M ﹤0.01% 5064

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 $1.66T AUM 25.57% 1-Year Est. Return
S
Sanofi Paris, France $534M AUM 205.96% 1-Year Est. Return
HighTower Advisors
HighTower Advisors Chicago, Illinois $94.2B AUM 21.24% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T 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 $645B AUM 30.41% 1-Year Est. Return

Jane Street's INBX Position: Q1 2026 in Review

Jane Street reduced its Inhibrx (INBX) stake by 72% in Q1 2026, selling an estimated $1.77M and leaving 9,196 shares worth $618K. The position accounts for ﹤0.01% of the portfolio, ranked #7545.

Jane Street first reported a position in INBX in Q2 2024 and has held it in 8 quarters since. The position peaked at $2.61M in Q4 2025. 135 funds tracked by Wall St. Rank hold INBX as of Q1 2026.

  • Jane Street held 9,196 shares of Inhibrx worth $618K as of Q1 2026.
  • Jane Street sold 23,823 Inhibrx shares in Q1 2026, an estimated $1.77M.
  • Inhibrx made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #7545 holding.
  • Jane Street first reported a position in Inhibrx in Q2 2024 and has held it in 8 quarters since.
  • Jane Street's Inhibrx position peaked at $2.61M in Q4 2025.
  • 135 funds tracked by Wall St. Rank held Inhibrx as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.