Arcturus Therapeutics Holdings Inc
Ownership
Ownership Structure
Who owns Arcturus Therapeutics Holdings Inc (ARCT)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 92.0% of the shares are freely tradable; institutional investors hold 80.3%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Federated Hermes Inc | 11.62 | 3,303,640 | +0.0 | 06/30/2026 |
| ARK Investment Management LLC | 9.74 | 2,769,518 | +6.1 | 03/31/2026 |
| BlackRock Inc | 9.19 | 2,613,281 | -0.2 | 03/31/2026 |
| Sumitomo Mitsui Trust Group Inc | 6.91 | 1,963,123 | -14.2 | 06/30/2026 |
| Amova Asset Management Americas, Inc | 6.90 | 1,960,458 | -14.4 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| ARK Genomic Revolution ETF | 10.22 | 2,904,131 | -0.3 | 08/31/2026 |
| ARK Genomic Revolution | 9.69 | 2,754,707 | +4.6 | 06/30/2026 |
| Federated Hermes Kaufmann R | 7.29 | 2,072,500 | +0.0 | 06/30/2026 |
| Federated Hermes Kaufmann Growth | 7.29 | 2,072,500 | +0.0 | 06/30/2026 |
| Amova ARK Pstv Chg Innovt P JPY Acc | 5.65 | 1,604,742 | -7.0 | 07/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: September 18, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.