ASTERA LABS INC (ALAB) Stock Institutional Trading Activity


ASTERA LABS INC (ALAB) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC, Sequoia Financial Advisors, and Tiger Global Management. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2025Renaissance Technologies LLCSell-436,900406,401$67,608,870
Q3 2025Sequoia Financial AdvisorsBuy2,5872,587$506,551
Q3 2025Renaissance Technologies LLCBuy93,801843,301$165,118,336
Q2 2025Renaissance Technologies LLCSell-677,200749,500$67,769,790
Q1 2025Renaissance Technologies LLCBuy253,0001,426,700$85,131,189
Q4 2024Renaissance Technologies LLCBuy756,8001,173,700$155,456,565
Q3 2024Renaissance Technologies LLCBuy394,800416,900$21,841,391
Q2 2024Renaissance Technologies LLCBuy22,10022,100$1,337,271
Q1 2024Tiger Global ManagementBuy70,00070,000$5,193,300

Frequently asked questions about ALAB activity

  • Which institutional owners are buying ALAB?

    Institutional owners buying ALAB 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 ALAB activity?

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

  • Is institutional interest in ALAB increasing?

    Institutional interest in ALAB 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.