ABIO (ABIO) Institutional Ownership Changes & 13F Activity

ABIO (ABIO) institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC 13F filings (Q2 2024). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Renaissance Technologies LLC.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q2 2024Renaissance Technologies LLCBuy7,40073,099$279,969
Q1 2024Renaissance Technologies LLCBuy8,40065,699$116
Q4 2023Renaissance Technologies LLCBuy6,49957,299$97
Q3 2023Renaissance Technologies LLCBuy6,30050,800$102
Q2 2023Renaissance Technologies LLCBuy4,80044,500$90
Q1 2023Renaissance Technologies LLCBuy4,50039,700$79
Q4 2022Renaissance Technologies LLCBuy1,70035,200$83
Q3 2022Renaissance Technologies LLCBuy1,00033,500$69
Q2 2022Renaissance Technologies LLCSell-173,00032,500$81
Q4 2020Renaissance Technologies LLCBuy167,190205,500$824
Q3 2020Renaissance Technologies LLCSell-43,97338,310$169
Q2 2020Renaissance Technologies LLCSell-51,01182,283$545
Q1 2020Renaissance Technologies LLCSell-9,278133,294$372
Q4 2019Renaissance Technologies LLCBuy42,484142,572$814
Q3 2019Renaissance Technologies LLCBuy19,603100,088$535
Q2 2019Renaissance Technologies LLCBuy80,48580,485$589

Frequently asked questions about ABIO activity

  • Which institutional owners are buying ABIO?

    Institutional owners buying ABIO 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 ABIO activity?

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

  • Is institutional interest in ABIO increasing?

    Institutional interest in ABIO 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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