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
Q1 2026ARK InvestBuy158,4192,769,518$21,380,678
Q1 2026Renaissance Technologies LLCBuy58,395178,300$1,376,476
Q4 2025ARK InvestBuy738,3782,611,099$16,006,036
Q4 2025Renaissance Technologies LLCBuy109,703119,905$735,018
Q3 2025ARK InvestBuy157,6811,872,721$34,514,252
Q2 2025ARK InvestSell-293,4401,715,040$22,312,669
Q1 2025ARK InvestBuy74,6292,008,480$21,269,803
Q4 2024ARK InvestSell-167,1871,933,851$32,817,451
Q3 2024ARK InvestBuy136,0742,101,038$48,765,097
Q2 2024ARK InvestBuy275,3151,964,964$47,846,871
Q1 2024ARK InvestSell-358,0381,689,649$57,059,450
Q4 2023Renaissance Technologies LLCSell-169,49810,202$322
Q4 2023ARK InvestBuy146,1412,047,687$64,563,576
Q3 2023Renaissance Technologies LLCSell-86,000179,700$4,591
Q3 2023ARK InvestSell-5,4501,901,546$48,584,508
Q2 2023Renaissance Technologies LLCBuy239,013265,700$7,620
Q2 2023ARK InvestSell-78,4251,906,996$54,692,638
Q1 2023ARK InvestSell-27,0081,985,421$47,590,541
Q4 2022ARK InvestSell-169,2742,012,429$34,130,796
Q3 2022ARK InvestSell-122,0482,181,703$32,333
Q2 2022ARK InvestSell-80,0892,303,751$45,799
Q1 2022ARK InvestSell-88,7902,383,840$64,268
Q4 2021ARK InvestSell-56,8792,472,630$91,512
Q4 2021Renaissance Technologies LLCSell-2,81326,687$988
Q3 2021ARK InvestSell-355,1732,529,509$120,860
Q2 2021ARK InvestSell-447,2072,884,682$97,618
Q2 2021Renaissance Technologies LLCSell-113,30029,500$998
Q1 2021ARK InvestSell-627,1303,331,889$137,607
Q1 2021Renaissance Technologies LLCBuy119,500142,800$5,898
Q4 2020ARK InvestBuy1,463,1773,959,019$171,742

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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