Ken Griffin
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Ken Griffin’s Eton Pharmaceutcials ETON Stock Holding History

Ken Griffin’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 		$2.66M Buy
107,815
+33,671
+45% +$589K ﹤0.01% 5499
2025
Q4 		$1.25M Buy
+74,144
New +$1.3M ﹤0.01% 6907
2025
Q2 		– Sell
-24,492
Closed -$387K – 13217
2025
Q1 		$318K Buy
+24,492
New +$370K ﹤0.01% 9448
2024
Q3 		– Sell
-32
Closed -$135 – 14472
2024
Q2 		$105 Hold
32
– – ﹤0.01% 14096
2024
Q1 		$120 Sell
32
-4,924
-99% -$21.5K ﹤0.01% 14416
2023
Q4 		$21.7K Buy
+4,956
New +$19.9K ﹤0.01% 12555
2023
Q3 		– Sell
-5,822
Closed -$22.5K – 14512
2023
Q2 		$20.3K Sell
5,822
-6,087
-51% -$22.4K ﹤0.01% 12712
2023
Q1 		$45.9K Buy
+11,909
New +$43.4K ﹤0.01% 12270
2022
Q4 		– Sell
-19,859
Closed -$42K – 14989
2022
Q3 		$42K Sell
19,859
-7,916
-29% -$19.7K ﹤0.01% 11744
2022
Q2 		$73K Buy
+27,775
New +$93.2K ﹤0.01% 11670
2022
Q1 		– Sell
-42,240
Closed -$166K – 13843
2021
Q4 		$182K Sell
42,240
-20,906
-33% -$100K ﹤0.01% 11988
2021
Q3 		$318K Buy
63,146
+5,271
+9% +$27.4K ﹤0.01% 10939
2021
Q2 		$357K Buy
+57,875
New +$429K ﹤0.01% 10843
2020
Q4 		– Sell
-11,372
Closed -$90K – 11064
2020
Q3 		$90K Buy
+11,372
New +$77.6K ﹤0.01% 9335

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 $6.73T AUM 46.02% 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 $1.88T AUM 44.46% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 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

Ken Griffin's ETON Position: Q1 2026 in Review

Ken Griffin increased its Eton Pharmaceutcials (ETON) stake by 45% in Q1 2026, buying an estimated $589K and bringing the position to 107,815 shares worth $2.66M. The position accounts for ﹤0.01% of the portfolio, ranked #5499.

Ken Griffin first reported a position in ETON in Q3 2020 and has held it in 14 quarters since. 116 funds tracked by Wall St. Rank hold ETON as of Q1 2026.

  • Ken Griffin held 107,815 shares of Eton Pharmaceutcials worth $2.66M as of Q1 2026.
  • Ken Griffin bought 33,671 Eton Pharmaceutcials shares in Q1 2026, an estimated $589K.
  • Eton Pharmaceutcials made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #5499 holding.
  • Ken Griffin first reported a position in Eton Pharmaceutcials in Q3 2020 and has held it in 14 quarters since.
  • 116 funds tracked by Wall St. Rank held Eton Pharmaceutcials as of Q1 2026.

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