Arcturus Therapeutics (ARCT)
Develops mRNA medicines for rare diseases and a CSL-partnered COVID-19 vaccine.
$13.78
vs last close−0.60 (−4.17%)
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13F · 13D/G · Form 4
| Institutions | 88.72% | 25.22M shares | |
|---|---|---|---|
| 140 holders · as of Jun 30, 2026 | |||
| Insiders | 2.32% | 659.3K shares | |
| 3 holders · as of Dec 19, 2025 | |||
| Other | 8.96% | 2.55M shares | |
| remainder | |||
28.42M company shares as of Sep 23, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing
13F, as of Jun 30, 2026
140 holders · 25.22M shares · 22 new positions · 76 increased · 41 reduced · 10 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| Federated Hermes, Inc. | 3.30M | 11.62% | 0 | Aug 12, 2026 |
| Ark Investment Management LLC | 2.90M | 10.21% | +132.1K | Aug 14, 2026 |
| BlackRock, Inc. | 2.61M | 9.20% | +731 | Aug 7, 2026 |
| Sumitomo Mitsui Trust Group, Inc. | 1.96M | 6.91% | −325.8K | Jul 30, 2026 |
| Nikko Asset Management Americas, Inc. | 1.96M | 6.90% | −328.5K | Aug 13, 2026 |
| Vanguard Capital Management LLC | 1.11M | 3.92% | +7.9K | Aug 13, 2026 |
| Two Sigma Investments, LP | 1.09M | 3.84% | +9.4K | Aug 14, 2026 |
| Vanguard Portfolio Management LLC | 951.6K | 3.35% | −26.3K | Aug 13, 2026 |
13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| Federated Hermes, Inc. | 11.63% | 3.30M | 13G | Jan 8, 2026 |
| ARK Investment Management LLC | 10.37% | 2.95M | 13G | May 7, 2026 |
| Nikko Asset Management Co., Ltd. (“NAM”)incl. Sumitomo Mitsui Trust Group, Inc. (“SMTG”) | 8.56% | 2.32M | 13G | Nov 5, 2024 |
| BlackRock, Inc. | 7.80% | 2.10M | 13G | Apr 23, 2025 |
| Amova Asset Management Americas, Inc. | 7.20% | 1.95M | 13G | Nov 13, 2025 |
| Sumitomo Mitsui Trust Group, Inc. | 7.20% | 1.95M | 13G | Oct 27, 2025 |
| Nikko Asset Management Americas, Inc. | 7.10% | 1.93M | 13G | May 12, 2025 |
Form 4
Latest trades
No open-market trades in the last 12 months.
House and Senate disclosures
Not reported.