Renaissance Technologies
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Renaissance Technologies’s Alto Neuroscience ANRO Stock Holding History

Renaissance Technologies’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 		$1.88M Sell
71,399
-32,100
-31% -$742K ﹤0.01% 1986
2026
Q1 		$2.33M Buy
103,499
+6,100
+6% +$113K ﹤0.01% 1822
2025
Q4 		$1.73M Buy
97,399
+21,627
+29% +$272K ﹤0.01% 1956
2025
Q3 		$305K Buy
75,772
+41,072
+118% +$136K ﹤0.01% 2988
2025
Q2 		$76.3K Buy
+34,700
New +$82.6K ﹤0.01% 3339

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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

Renaissance Technologies's ANRO Position: Q2 2026 in Review

Renaissance Technologies reduced its Alto Neuroscience (ANRO) stake by 31% in Q2 2026, selling an estimated $742K and leaving 71,399 shares worth $1.88M. The position accounts for ﹤0.01% of the portfolio, ranked #1986.

Renaissance Technologies first reported a position in ANRO in Q2 2025 and has held it in 5 quarters since. The position peaked at $2.33M in Q1 2026. 114 funds tracked by Wall St. Rank hold ANRO as of Q2 2026.

  • Renaissance Technologies held 71,399 shares of Alto Neuroscience worth $1.88M as of Q2 2026.
  • Renaissance Technologies sold 32,100 Alto Neuroscience shares in Q2 2026, an estimated $742K.
  • Alto Neuroscience made up ﹤0.01% of Renaissance Technologies's portfolio in Q2 2026, its #1986 holding.
  • Renaissance Technologies first reported a position in Alto Neuroscience in Q2 2025 and has held it in 5 quarters since.
  • Renaissance Technologies's Alto Neuroscience position peaked at $2.33M in Q1 2026.
  • 114 funds tracked by Wall St. Rank held Alto Neuroscience as of Q2 2026.

Based on Renaissance Technologies's 13F filing for Q2 2026, filed 13 Aug 2026.