Marshall Wace
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Marshall Wace’s Eton Pharmaceutcials ETON Stock Holding History

Marshall Wace’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 		$9.02M Buy
249,182
+166,461
+201% +$4.88M 0.01% 1082
2026
Q1 		$2.04M Buy
+82,721
New +$1.45M ﹤0.01% 1773
2025
Q1 		– Sell
-36,182
Closed -$482K – 2750
2024
Q4 		$482K Buy
36,182
+15,545
+75% +$158K ﹤0.01% 2041
2024
Q3 		$124K Buy
+20,637
New +$87.2K ﹤0.01% 2351
2022
Q1 		– Sell
-92,092
Closed -$395K – 3519
2021
Q4 		$395K Buy
+92,092
New +$441K ﹤0.01% 2917
2021
Q3 		– Sell
-84,912
Closed -$523K – 3127
2021
Q2 		$523K Buy
+84,912
New +$629K ﹤0.01% 2103

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

Marshall Wace's ETON Position: Q2 2026 in Review

Marshall Wace increased its Eton Pharmaceutcials (ETON) stake by 201% in Q2 2026, buying an estimated $4.88M and bringing the position to 249,182 shares worth $9.02M. The position accounts for 0.01% of the portfolio, ranked #1082.

Marshall Wace first reported a position in ETON in Q2 2021 and has held it in 6 quarters since. 164 funds tracked by Wall St. Rank hold ETON as of Q2 2026.

  • Marshall Wace held 249,182 shares of Eton Pharmaceutcials worth $9.02M as of Q2 2026.
  • Marshall Wace bought 166,461 Eton Pharmaceutcials shares in Q2 2026, an estimated $4.88M.
  • Eton Pharmaceutcials made up 0.01% of Marshall Wace's portfolio in Q2 2026, its #1082 holding.
  • Marshall Wace first reported a position in Eton Pharmaceutcials in Q2 2021 and has held it in 6 quarters since.
  • 164 funds tracked by Wall St. Rank held Eton Pharmaceutcials as of Q2 2026.

Based on Marshall Wace's 13F filing for Q2 2026, filed 13 Aug 2026.