ARCTURUS THERAPEUTICS HOLDIN (ARCT) Institutional Ownership Changes & 13F Activity

ARCTURUS THERAPEUTICS HOLDIN (ARCT) 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 ARK Invest and Renaissance Technologies LLC.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q3 2020ARK InvestBuy577,0072,495,842$107,072
Q2 2020ARK InvestBuy354,3781,918,835$89,686
Q1 2020ARK InvestBuy180,7011,564,457$21,261
Q4 2019ARK InvestBuy109,3431,383,756$15,041
Q4 2019Renaissance Technologies LLCSell-9,20023,300$253
Q3 2019ARK InvestBuy270,0451,274,413$13,088
Q3 2019Renaissance Technologies LLCBuy32,50032,500$334
Q2 2019ARK InvestBuy1,004,3681,004,368$9,481

Frequently asked questions about ARCT activity

  • Which institutional owners are buying ARCT?

    Institutional owners buying ARCT 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 ARCT activity?

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

  • Is institutional interest in ARCT increasing?

    Institutional interest in ARCT 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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