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Arcturus Therapeutics Holdings Inc.

ARCT
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001768224

No open-market purchases or sales by Arcturus Therapeutics Holdings Inc. insiders were filed in the last 90 days; 135 institutions reported holding it in 13F filings for Q2 2026, worth $167.9M in total; ARK Invest is the only superinvestor holding it.

Q3 2025 vs. Q2 2025

How the institutions holding Arcturus Therapeutics Holdings Inc. changed between Q2 2025 and Q3 2025.

All holders in Q3 2025All holders in Q2 2025

13F holders of ARCT: Q2 2025 compared with Q3 2025
MeasureQ2 2025Of which not filed for Q3 2025Q3 2025Change
Holders1451137−7
Shares25.8M40.0K25.9M+130.4K (+0.5%)
Value$336.3M$520.4K$476.8M+$141.0M (+42.0%)

1 institution that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (22)

Institutions that held Arcturus Therapeutics Holdings Inc. at the end of Q3 2025 but not at the end of Q2 2025.

Institutions new to ARCT in Q3 2025
InstitutionSharesValue% of portfolio
Jane Street Group, LLC136,390$2.51M0.00%
HRT Financial LP124,989$2.30M0.01%
HAP Trading, LLC77,142$1.42M0.39%
Caption Management, LLC58,464$1.08M0.06%
Diadema Partners LP48,811$899.6K0.63%
Group One Trading, L.P.44,427$818.8K0.02%
Gateway Investment Advisers LLC40,000$737.2K0.01%
Millennium Management LLC39,800$733.5K0.00%
StemPoint Capital LP35,606$656.2K0.13%
Brevan Howard Capital Management LP28,096$517.8K0.01%
J. Goldman & Co LP22,118$407.6K0.02%
Persistent Asset Partners Ltd11,189$206.2K0.15%
SG Americas Securities, LLC7,954$147.0K0.00%
Compagnie Lombard Odier SCmA6,000$110.6K0.00%
Silverarc Capital Management, LLC3,445$63.5K0.01%
Signaturefd, LLC2,188$40.3K0.00%
Fifth Third Bancorp500$9.21K0.00%
Optiver Holding B.V.206$3.80K0.00%
Steward Partners Investment Advisory, LLC102$1.88K0.00%
Wealthspire Advisors, LLC100$1.84K0.00%
JPL Wealth Management, LLC25$4610.00%
Advisory Services Network, LLC9$1660.00%

Sold out (29)

Institutions that held Arcturus Therapeutics Holdings Inc. at the end of Q2 2025 and filed for Q3 2025 without it.

Not filed for Q3 2025 yet (1)

Institutions that held Arcturus Therapeutics Holdings Inc. at the end of Q2 2025 and haven't filed a 13F for Q3 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ARCT in Q2 2025 that haven't filed for Q3 2025
InstitutionShares, Q2 2025Value, Q2 2025
Belmont Capital, LLC40,000$520.4K