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	$623K	Sell	23,600 -24,400	-51%	-$564K	﹤0.01%	7514
2026 Q1	$1.08M	Buy	48,000 +300	+0.6%	+$5.56K	﹤0.01%	6327
2025 Q4	$849K	Buy	+47,700	New	+$601K	﹤0.01%	6478

Other funds holding ANRO

AWG

Alpha Wave Global New York $6.24B AUM 59.73% 1-Year Est. Return

Commodore Capital New York $1.68B AUM 375.52% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Perceptive Advisors New York $6.66B AUM 360.84% 1-Year Est. Return

Adage Capital Partners Boston, Massachusetts $71.3B AUM 56.8% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

SSC

Spruce Street Capital New York $510M AUM

Vivo Capital Palo Alto, California $1.1B AUM 799.93% 1-Year Est. Return

Franklin Resources San Mateo, California $462B AUM 39.16% 1-Year Est. Return

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.