Jane Street
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Jane Street’s Alto Neuroscience ANRO Stock Holding History

Jane Street’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 		– Sell
-30,058
Closed -$695K – 13367
2026
Q1 		$676K Sell
30,058
-163,983
-85% -$3.04M ﹤0.01% 7344
2025
Q4 		$3.45M Buy
194,041
+145,675
+301% +$1.83M ﹤0.01% 3816
2025
Q3 		$194K Sell
48,366
-60,654
-56% -$201K ﹤0.01% 9706
2025
Q2 		$240K Buy
+109,020
New +$259K ﹤0.01% 8239
2025
Q1 		– Sell
-18,600
Closed -$78.7K – 10828
2024
Q4 		$78.7K Buy
18,600
+7,783
+72% +$48.6K ﹤0.01% 8852
2024
Q3 		$124K Buy
+10,817
New +$132K ﹤0.01% 8900
2024
Q2 		– Sell
-33,059
Closed -$507K – 10329
2024
Q1 		$507K Buy
+33,059
New +$517K ﹤0.01% 6633

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

Jane Street's ANRO Position: Q2 2026 in Review

Jane Street sold out of Alto Neuroscience (ANRO) in Q2 2026, closing a stake of 30,058 shares — an estimated $695K sold.

Jane Street first reported a position in ANRO in Q1 2024 and held it in 7 quarters. The position peaked at $3.45M in Q4 2025. 114 funds tracked by Wall St. Rank hold ANRO as of Q2 2026.

  • Jane Street reported no remaining Alto Neuroscience position as of Q2 2026 after selling out during the quarter.
  • Jane Street sold 30,058 Alto Neuroscience shares in Q2 2026, an estimated $695K.
  • Jane Street first reported a position in Alto Neuroscience in Q1 2024 and held it in 7 quarters.
  • Jane Street's Alto Neuroscience position peaked at $3.45M in Q4 2025.
  • 114 funds tracked by Wall St. Rank held Alto Neuroscience as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.