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
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 $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

Marshall Wace's ETON Position: Q1 2026 in Review

Marshall Wace opened a new position in Eton Pharmaceutcials (ETON) in Q1 2026: 82,721 shares worth $2.04M. The stake represents ﹤0.01% of the portfolio and ranks #1773 among its holdings. This is a return to the name: Marshall Wace previously reported a position in ETON as recently as Q4 2024.

Marshall Wace first reported a position in ETON in Q2 2021 and has held it in 5 quarters since. 116 funds tracked by Wall St. Rank hold ETON as of Q1 2026.

  • Marshall Wace held 82,721 shares of Eton Pharmaceutcials worth $2.04M as of Q1 2026.
  • Eton Pharmaceutcials was a new Marshall Wace position in Q1 2026.
  • Eton Pharmaceutcials made up ﹤0.01% of Marshall Wace's portfolio in Q1 2026, its #1773 holding.
  • Marshall Wace first reported a position in Eton Pharmaceutcials in Q2 2021 and has held it in 5 quarters since.
  • 116 funds tracked by Wall St. Rank held Eton Pharmaceutcials as of Q1 2026.

Based on Marshall Wace's 13F filing for Q1 2026, filed 15 May 2026.