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John Overdeck’s Eton Pharmaceutcials ETON Stock Holding History

John Overdeck’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
Q2 		$4.21M Buy
116,291
+9,898
+9% +$290K ﹤0.01% 2300
2026
Q1 		$2.63M Buy
106,393
+29,791
+39% +$521K ﹤0.01% 2558
2025
Q4 		$1.3M Sell
76,602
-209,819
-73% -$3.69M ﹤0.01% 2749
2025
Q3 		$6.22M Buy
286,421
+71,869
+33% +$1.19M 0.01% 1286
2025
Q2 		$3.06M Buy
214,552
+132,197
+161% +$2.09M 0.01% 1547
2025
Q1 		$1.07M Sell
82,355
-30,103
-27% -$455K ﹤0.01% 2134
2024
Q4 		$1.5M Buy
+112,458
New +$1.14M ﹤0.01% 1916
2024
Q3 		– Sell
-16,485
Closed -$54.2K – 3170
2024
Q2 		$54.2K Sell
16,485
-15,305
-48% -$53.6K ﹤0.01% 2880
2024
Q1 		$119K Sell
31,790
-20,710
-39% -$90.4K ﹤0.01% 2813
2023
Q4 		$230K Sell
52,500
-27,052
-34% -$108K ﹤0.01% 2779
2023
Q3 		$332K Buy
+79,552
New +$307K ﹤0.01% 2451
2021
Q4 		– Sell
-18,070
Closed -$91K – 4437
2021
Q3 		$91K Buy
+18,070
New +$94K ﹤0.01% 4093
2021
Q2 		– Sell
-139,989
Closed -$1.02M – 4181
2021
Q1 		$1.02M Buy
139,989
+13,499
+11% +$115K ﹤0.01% 2289
2020
Q4 		$1.03M Buy
+126,490
New +$976K ﹤0.01% 1995

Other funds holding ETON

OM
Opaleye Management Boston, Massachusetts $1.1B AUM 197.64% 1-Year Est. Return
EC
EcoR1 Capital San Francisco, California $2.06B AUM 215.32% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
NCM
Nantahala Capital Management New Canaan, Connecticut $3.01B AUM 119.46% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
OAM
Oberweis Asset Management Lisle, Illinois $4.84B AUM 160.95% 1-Year Est. Return
NPT
National Philanthropic Trust Jenkintown, Pennsylvania $6.92B AUM 24.7% 1-Year Est. Return

John Overdeck's ETON Position: Q2 2026 in Review

John Overdeck increased its Eton Pharmaceutcials (ETON) stake by 9.3% in Q2 2026, buying an estimated $290K and bringing the position to 116,291 shares worth $4.21M. The position accounts for ﹤0.01% of the portfolio, ranked #2300.

John Overdeck first reported a position in ETON in Q4 2020 and has held it in 14 quarters since. The position peaked at $6.22M in Q3 2025. 164 funds tracked by Wall St. Rank hold ETON as of Q2 2026.

  • John Overdeck held 116,291 shares of Eton Pharmaceutcials worth $4.21M as of Q2 2026.
  • John Overdeck bought 9,898 Eton Pharmaceutcials shares in Q2 2026, an estimated $290K.
  • Eton Pharmaceutcials made up ﹤0.01% of John Overdeck's portfolio in Q2 2026, its #2300 holding.
  • John Overdeck first reported a position in Eton Pharmaceutcials in Q4 2020 and has held it in 14 quarters since.
  • John Overdeck's Eton Pharmaceutcials position peaked at $6.22M in Q3 2025.
  • 164 funds tracked by Wall St. Rank held Eton Pharmaceutcials as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.