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.
13F holders, Q1 2026
Institutional positions in Arcturus Therapeutics Holdings Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 124
- +4 vs. Q4 2025
- Shares held
- 24.3M
- +2.68M (+12.4%) vs. Q4 2025
- Total value
- $187.3M
- +$55.0M (+41.6%) vs. Q4 2025
- New holders
- 28
- 47 more added
- Sold out
- 24
- 36 more reduced
1 institution that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ARCT on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 135 | $167.9M |
| Q1 2026 | 124 | $187.3M |
| Q4 2025 | 121 | $145.1M |
| Q3 2025 | 137 | $476.8M |
| Q2 2025 | 145 | $336.3M |
| Q1 2025 | 147 | $282.9M |
| Q4 2024 | 149 | $452.5M |
| Q3 2024 | 164 | $609.3M |
| Q2 2024 | 171 | $640.0M |
| Q1 2024 | 179 | $918.7M |
| Q4 2023 | 166 | $801.6M |
| Q3 2023 | 147 | $643.1M |
| Q2 2023 | 144 | $677.6M |
| Q1 2023 | 124 | $557.9M |
| Q4 2022 | 113 | $383.9M |
| Q3 2022 | 117 | $328.1M |
| Q2 2022 | 128 | $353.6M |
| Q1 2022 | 129 | $578.1M |
| Q4 2021 | 139 | $736.2M |
| Q3 2021 | 157 | $909.0M |
| Q2 2021 | 139 | $694.0M |
| Q1 2021 | 162 | $776.0M |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Arcturus Therapeutics Holdings Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BNP Paribas Arbitrage, SA | 194,860 | $1.50M | 0.00% | +48,093+32.8% | Added |
| Goldman Sachs Group Inc | 198,681 | $1.53M | 0.00% | −192,546−49.2% | Reduced |
| Jacobs Levy Equity Management, Inc | 198,728 | $1.53M | 0.01% | −94,322−32.2% | Reduced |
| Susquehanna International Group, LLP | 204,014 | $1.57M | 0.00% | +129,285+173.0% | Added |
| Charles Schwab Investment Management Inc | 216,500 | $1.67M | 0.00% | +32,645+17.8% | Added |
| Northern Trust Corp | 219,613 | $1.70M | 0.00% | +18,832+9.4% | Added |
| D. E. Shaw & Co., Inc. | 252,034 | $1.95M | 0.00% | +154,211+157.6% | Added |
| Heartland Advisors Inc | 256,000 | $1.98M | 0.10% | +256,000 | New |
| Acadian Asset Management LLC | 280,500 | $2.16M | 0.00% | −147,394−34.4% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 279,679 | $2.16M | 0.07% | +39,376+16.4% | Added |
| Dimensional Fund Advisors LP | 288,355 | $2.22M | 0.00% | −202,074−41.2% | Reduced |
| Empire Life Investments Inc. | 383,493 | $3.01M | 0.18% | −28,909−7.0% | Reduced |
| UBS Group AG | 458,277 | $3.54M | 0.00% | +230,384+101.1% | Added |
| Millennium Management LLC | 478,557 | $3.69M | 0.00% | +173,780+57.0% | Added |
| State Street Corp | 543,863 | $4.20M | 0.00% | −20,403−3.6% | Reduced |
| Geode Capital Management, LLC | 660,928 | $5.10M | 0.00% | +42,794+6.9% | Added |
| Vanguard Portfolio Management LLC | 977,922 | $7.55M | 0.00% | +977,922 | New |
| Two Sigma Investments, LP | 1,081,784 | $8.35M | 0.01% | +535,098+97.9% | Added |
| Vanguard Capital Management LLC | 1,107,020 | $8.55M | 0.00% | +1,107,020 | New |
| Nikko Asset Management Americas, Inc. | 2,288,935 | $17.6M | 0.25% | +262,347+12.9% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 2,288,935 | $17.7M | 0.01% | +262,347+12.9% | Added |
| BlackRock, Inc. | 2,613,281 | $20.2M | 0.00% | −6,403−0.2% | Reduced |
| ARK Investment Management LLCSuperinvestorARK Invest | 2,769,518 | $21.4M | 0.17% | +158,419+6.1% | Added |
| Federated Hermes, Inc. | 3,303,640 | $25.5M | 0.04% | 00.0% | Unchanged |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −511,043−100.0% | Sold out |
| Atom Investors LP | 0 | $0 | 0.00% | −106,400−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −82,155−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −69,755−100.0% | Sold out |
| Woodline Partners LP | 0 | $0 | 0.00% | −66,577−100.0% | Sold out |
| Kovack Advisors, Inc. | 0 | $0 | 0.00% | −46,023−100.0% | Sold out |
| Panagora Asset Management Inc | 0 | $0 | 0.00% | −34,768−100.0% | Sold out |
| Canada Pension Plan Investment Board | 0 | $0 | 0.00% | −30,900−100.0% | Sold out |
| Aristides Capital LLC | 0 | $0 | 0.00% | −26,283−100.0% | Sold out |
| Quest Partners LLC | 0 | $0 | 0.00% | −23,727−100.0% | Sold out |
| Byrne Asset Management LLC | 0 | $0 | 0.00% | −18,050−100.0% | Sold out |
| Diversify Advisory Services, LLC | 0 | $0 | 0.00% | −15,000−100.0% | Sold out |
| Texas Yale Capital Corp. | 0 | $0 | 0.00% | −16,000−100.0% | Sold out |
| Tocqueville Asset Management L.P. | 0 | $0 | 0.00% | −13,600−100.0% | Sold out |
| Intech Investment Management LLC | 0 | $0 | 0.00% | −11,382−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −5,700−100.0% | Sold out |
| Amalgamated Bank | 0 | $0 | 0.00% | −795−100.0% | Sold out |
| Fifth Third Bancorp | 0 | $0 | 0.00% | −368−100.0% | Sold out |
| Daiwa Securities Group Inc. | 0 | $0 | 0.00% | −90−100.0% | Sold out |
| Private Wealth Management Group, LLC | 0 | $0 | 0.00% | −87−100.0% | Sold out |
| Natixis | 0 | $0 | 0.00% | −60−100.0% | Sold out |
| Innovative Advisory Group, LLC | 0 | $0 | 0.00% | −11−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| DekaBank Deutsche Girozentrale | 0 | $0 | 0.00% | −43,889−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |