Marshall Wace
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Marshall Wace’s Alto Neuroscience ANRO Stock Holding History

Marshall Wace’s Portfolio ANRO Stock Details ANRO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$5.95M Buy
225,503
+49,156
+28% +$1.14M ﹤0.01% 1283
2026
Q1 		$3.96M Sell
176,347
-16,762
-9% -$311K ﹤0.01% 1413
2025
Q4 		$3.44M Sell
193,109
-632,116
-77% -$7.96M ﹤0.01% 1324
2025
Q3 		$3.32M Sell
825,225
-112,182
-12% -$372K ﹤0.01% 1376
2025
Q2 		$2.06M Buy
937,407
+84,417
+10% +$201K ﹤0.01% 1552
2025
Q1 		$1.84M Buy
852,990
+15,616
+2% +$55.9K ﹤0.01% 1498
2024
Q4 		$3.54M Buy
+837,374
New +$5.23M ﹤0.01% 1214
2024
Q2 		– Sell
-21,293
Closed -$327K – 3044
2024
Q1 		$327K Buy
+21,293
New +$333K ﹤0.01% 2080

Other funds holding ANRO

AWG
Alpha Wave Global New York $6.24B AUM 59.73% 1-Year Est. Return
CC
Commodore Capital New York $1.68B AUM 375.52% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
PA
Perceptive Advisors New York $6.66B AUM 360.84% 1-Year Est. Return
Adage Capital Partners
Adage Capital Partners Boston, Massachusetts $71.3B AUM 56.8% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
SSC
Spruce Street Capital New York $510M AUM
VC
Vivo Capital Palo Alto, California $1.1B AUM 799.93% 1-Year Est. Return
Franklin Resources
Franklin Resources San Mateo, California $462B AUM 39.16% 1-Year Est. Return
AC
Armistice Capital New York $8.17B AUM 68.82% 1-Year Est. Return

Marshall Wace's ANRO Position: Q2 2026 in Review

Marshall Wace increased its Alto Neuroscience (ANRO) stake by 28% in Q2 2026, buying an estimated $1.14M and bringing the position to 225,503 shares worth $5.95M. The position accounts for ﹤0.01% of the portfolio, ranked #1283.

Marshall Wace first reported a position in ANRO in Q1 2024 and has held it in 8 quarters since. 114 funds tracked by Wall St. Rank hold ANRO as of Q2 2026.

  • Marshall Wace held 225,503 shares of Alto Neuroscience worth $5.95M as of Q2 2026.
  • Marshall Wace bought 49,156 Alto Neuroscience shares in Q2 2026, an estimated $1.14M.
  • Alto Neuroscience made up ﹤0.01% of Marshall Wace's portfolio in Q2 2026, its #1283 holding.
  • Marshall Wace first reported a position in Alto Neuroscience in Q1 2024 and has held it in 8 quarters since.
  • 114 funds tracked by Wall St. Rank held Alto Neuroscience as of Q2 2026.

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