ALTO NEUROSCIENCE INC (ANRO) Institutional Ownership Changes & 13F Activity

ALTO NEUROSCIENCE INC (ANRO) institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC 13F filings (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Polen Capital Management and Renaissance Technologies LLC.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2026Polen Capital ManagementBuy16,61316,613$373,460
Q1 2026Renaissance Technologies LLCBuy6,100103,499$2,326,658
Q4 2025Renaissance Technologies LLCBuy21,62797,399$1,733,702
Q3 2025Renaissance Technologies LLCBuy41,07275,772$304,603
Q2 2025Renaissance Technologies LLCBuy34,70034,700$76,340

Frequently asked questions about ANRO activity

  • Which institutional owners are buying ANRO?

    Institutional owners buying ANRO include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in ANRO activity?

    "Buy" means an investor increased their reported position in ANRO compared to the prior reporting period. This reflects growing exposure to ALTO NEUROSCIENCE INC (ANRO) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in ANRO increasing?

    Institutional interest in ANRO can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.