Jane Street
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Jane Street’s Eton Pharmaceutcials ETON Stock Holding History

Jane Street’s Portfolio ETON Stock Details ETON Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$2.35M Buy
95,420
+37,364
+64% +$653K ﹤0.01% 4783
2025
Q4 		$982K Sell
58,056
-12,888
-18% -$227K ﹤0.01% 6159
2025
Q3 		$1.54M Buy
+70,944
New +$1.18M ﹤0.01% 5424
2025
Q2 		– Sell
-95,919
Closed -$1.25M – 9949
2025
Q1 		$1.25M Buy
95,919
+31,596
+49% +$477K ﹤0.01% 5159
2024
Q4 		$857K Buy
64,323
+49,317
+329% +$500K ﹤0.01% 5676
2024
Q3 		$90K Buy
+15,006
New +$63.4K ﹤0.01% 9029
2024
Q2 		– Sell
-23,078
Closed -$86.5K – 9560
2024
Q1 		$86.5K Buy
23,078
+4,650
+25% +$20.3K ﹤0.01% 8579
2023
Q4 		$80.7K Sell
18,428
-46,782
-72% -$188K ﹤0.01% 8660
2023
Q3 		$272K Buy
+65,210
New +$252K ﹤0.01% 7203
2023
Q2 		– Sell
-15,889
Closed -$61.2K – 8890
2023
Q1 		$61.2K Buy
15,889
+694
+5% +$2.53K ﹤0.01% 8401
2022
Q4 		$42.9K Buy
+15,195
New +$40.9K ﹤0.01% 8416
2021
Q3 		– Sell
-11,837
Closed -$73K – 10122
2021
Q2 		$73K Buy
+11,837
New +$87.7K ﹤0.01% 9395
2020
Q3 		– Sell
-22,070
Closed -$121K – 7321
2020
Q2 		$121K Buy
+22,070
New +$110K ﹤0.01% 6640

Other funds holding ETON

OM
Opaleye Management Boston, Massachusetts $759M AUM 124.8% 1-Year Est. Return
EC
EcoR1 Capital San Francisco, California $2.36B AUM 204.53% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
NCM
Nantahala Capital Management New Canaan, Connecticut $2.72B AUM 121.58% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
NPT
National Philanthropic Trust Jenkintown, Pennsylvania $9.38B AUM 33.37% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
WIM
Westside Investment Management Santa Monica, California $761M AUM 39.85% 1-Year Est. Return

Jane Street's ETON Position: Q1 2026 in Review

Jane Street increased its Eton Pharmaceutcials (ETON) stake by 64% in Q1 2026, buying an estimated $653K and bringing the position to 95,420 shares worth $2.35M. The position accounts for ﹤0.01% of the portfolio, ranked #4783.

Jane Street first reported a position in ETON in Q2 2020 and has held it in 13 quarters since. 116 funds tracked by Wall St. Rank hold ETON as of Q1 2026.

  • Jane Street held 95,420 shares of Eton Pharmaceutcials worth $2.35M as of Q1 2026.
  • Jane Street bought 37,364 Eton Pharmaceutcials shares in Q1 2026, an estimated $653K.
  • Eton Pharmaceutcials made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #4783 holding.
  • Jane Street first reported a position in Eton Pharmaceutcials in Q2 2020 and has held it in 13 quarters since.
  • 116 funds tracked by Wall St. Rank held Eton Pharmaceutcials as of Q1 2026.

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