AILERON THERAPEUTICS INC (ALRN) Institutional Ownership Changes & 13F Activity

AILERON THERAPEUTICS INC (ALRN). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings. This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Sequoia Financial Advisors and Renaissance Technologies LLC.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q2 2026Sequoia Financial AdvisorsBuy250,000250,000$260,000
Q1 2026Renaissance Technologies LLCBuy1,80024,500$31,850
Q4 2025Renaissance Technologies LLCBuy4,40222,700$26,332
Q3 2025Renaissance Technologies LLCBuy5,13418,298$20,951
Q3 2024Renaissance Technologies LLCSell-11,70013,164$46,601
Q2 2024Renaissance Technologies LLCSell-20,20024,864$68,873
Q1 2024Renaissance Technologies LLCBuy17,04545,064$299
Q4 2023Renaissance Technologies LLCBuy9,05528,019$85
Q3 2023Renaissance Technologies LLCBuy3,10018,964$29
Q2 2023Renaissance Technologies LLCBuy3,20015,864$28
Q1 2023Renaissance Technologies LLCBuy2,10012,664$16
Q4 2022Renaissance Technologies LLCBuy10,56410,564$25

Frequently asked questions about ALRN activity

  • Which institutional owners are buying ALRN?

    Institutional owners buying ALRN 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 ALRN activity?

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

  • Is institutional interest in ALRN increasing?

    Institutional interest in ALRN 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.

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