ARCT
Arcturus Therapeutics Holdings Inc. · Healthcare · Biotechnology
Momentum inputs (comparable managers):
holder breadth +30.0% ·
share flow +13.3% ·
net new positions +20.0%
· formula
Broad accumulation: rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 1 | 0 | 13.31K | $171,364 | n/a | n/a |
| Q2 2026 | 62 | +4 | 19.18M | $128.95M | +5 | −1 |
| Q1 2026 | 60 | 0 | 18.54M | $142.94M | +4 | −4 |
| Q4 2025 | 60 | 0 | 18.71M | $114.66M | +3 | −3 |
| Q3 2025 | 16 | -1 | 10.27M | $189.25M | +1 | −2 |
| Q2 2025 | 14 | +1 | 8.29M | $107.85M | +2 | −1 |
| Q1 2025 | 10 | +3 | 4.50M | $47.65M | +3 | n/a |
| Q4 2024 | 7 | -2 | 3.97M | $67.41M | n/a | −2 |
| Q3 2024 | 8 | -2 | 3.11M | $72.14M | n/a | −2 |
| Q2 2024 | 10 | n/a | 3.78M | $92.06M | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | ARK Investment Management ✦ | 2.01M | +3.9% | $21.27M | 0.2% | ▲ Add | 4 | SEC ↗ |
| 2 | State Street Global Advisors ✦ (passive) | 1.28M | -3.5% | $13.56M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 3 | Geode Capital Management ✦ (passive) | 569.62K | +2.6% | $6.03M | 0.0% | ▲ Add | 4 | SEC ↗ ×2 |
| 4 | Millennium Management ✦ | 461.91K | New | $4.89M | 0.0% | New | 1 | SEC ↗ |
| 5 | Wellington Management ✦ | 92.87K | -4.3% | $983,535 | 0.0% | ▼ Trim | 4 | SEC ↗ ×2 |
| 6 | Two Sigma Investments ✦ | 37.35K | +35.5% | $395,589 | 0.0% | ▲ Add | 4 | SEC ↗ |
| 7 | T. Rowe Price ✦ | 20.12K | +5.8% | $214,000 | 0.0% | ▲ Add | 4 | SEC ↗ |
| 8 | AQR Capital Management ✦ | 12.07K | New | $127,790 | 0.0% | New | 1 | SEC ↗ ×4 |
| 9 | Point72 Asset Management ✦ | 10.32K | New | $109,257 | 0.0% | New | 1 | SEC ↗ |
| 10 | Citadel Advisors ✦ | 6.34K | -53.6% | $67,172 | 0.0% | ▼ Trim | 4 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Millennium Management | $4.89M | 0.0% |
| AQR Capital Management | $127,790 | 0.0% |
| Point72 Asset Management | $109,257 | 0.0% |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 124 holders, 24.09M shares, $182.18M reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold: shared-ownership counts, not fundamental relationships.