Security record · archived quarter
ARCT
Arcturus Therapeutics Holdings Inc. · Healthcare · Biotechnology
16Tracked holders
-1Δ holders
10.27MShares held
$189.25MReported value
+1New positions
−2Exits
Momentum inputs (comparable managers):
holder breadth -5.9% ·
share flow +7.6% ·
net new positions -6.2%
— formula
Concentrated accumulation — rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2025
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| 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 | — |
| Q4 2024 | 7 | -2 | 3.97M | $67.41M | — | −2 |
| Q3 2024 | 8 | -2 | 3.11M | $72.14M | — | −2 |
| Q2 2024 | 10 | — | 3.78M | $92.06M | — | — |
Who holds it · Q3 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 2.56M | -2.9% | $47.27M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 2.56M | -2.9% | $47.27M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 2.56M | -2.9% | $47.27M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 2.56M | -2.9% | $47.27M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 2.56M | -2.9% | $47.27M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 2.56M | -2.9% | $47.27M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 2.56M | -2.9% | $47.27M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 2.56M | -2.9% | $47.27M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 2.56M | -2.9% | $47.27M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 10 | The Vanguard Group ✦ (passive) | 1.89M | +4.2% | $34.75M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 11 | The Vanguard Group ✦ (passive) | 1.89M | +4.2% | $34.75M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 12 | The Vanguard Group ✦ (passive) | 1.89M | +4.2% | $34.75M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 13 | ARK Investment Management ✦ | 1.87M | +9.2% | $34.51M | 0.2% | ▲ Add | 6 | SEC ↗ |
| 14 | State Street Global Advisors ✦ (passive) | 1.05M | +2.5% | $19.27M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 15 | Morgan Stanley ✦ | 704.88K | — | $12.99M | 0.0% | n/c | 1 | SEC ↗ |
| 16 | Morgan Stanley ✦ | 704.88K | — | $12.99M | 0.0% | n/c | 1 | SEC ↗ |
| 17 | Morgan Stanley ✦ | 704.88K | — | $12.99M | 0.0% | n/c | 1 | SEC ↗ |
| 18 | Morgan Stanley ✦ | 704.88K | — | $12.99M | 0.0% | n/c | 1 | SEC ↗ |
| 19 | Morgan Stanley ✦ | 704.88K | — | $12.99M | 0.0% | n/c | 1 | SEC ↗ |
| 20 | Morgan Stanley ✦ | 704.88K | — | $12.99M | 0.0% | n/c | 1 | SEC ↗ |
| 21 | Geode Capital Management ✦ (passive) | 611.82K | +0.9% | $11.28M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 22 | Geode Capital Management ✦ (passive) | 611.82K | +0.9% | $11.28M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 23 | Arrowstreet Capital ✦ | 552.18K | +1371.4% | $10.18M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 24 | JPMorgan Chase ✦ | 407.21K | — | $7.50M | 0.0% | n/c | 1 | SEC ↗ |
| 25 | JPMorgan Chase ✦ | 407.21K | — | $7.50M | 0.0% | n/c | 1 | SEC ↗ |
| 26 | JPMorgan Chase ✦ | 407.21K | — | $7.50M | 0.0% | n/c | 1 | SEC ↗ |
| 27 | JPMorgan Chase ✦ | 407.21K | — | $7.50M | 0.0% | n/c | 1 | SEC ↗ |
| 28 | JPMorgan Chase ✦ | 407.21K | — | $7.50M | 0.0% | n/c | 1 | SEC ↗ |
| 29 | JPMorgan Chase ✦ | 407.21K | — | $7.50M | 0.0% | n/c | 1 | SEC ↗ |
| 30 | JPMorgan Chase ✦ | 407.21K | — | $7.50M | 0.0% | n/c | 1 | SEC ↗ |
| 31 | JPMorgan Chase ✦ | 407.21K | — | $7.50M | 0.0% | n/c | 1 | SEC ↗ |
| 32 | Goldman Sachs Group ✦ | 144.73K | — | $2.67M | 0.0% | n/c | 1 | SEC ↗ |
| 33 | Goldman Sachs Group ✦ | 144.73K | — | $2.67M | 0.0% | n/c | 1 | SEC ↗ |
| 34 | Fidelity (FMR) ✦ | 133.88K | -26.3% | $2.47M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 35 | Fidelity (FMR) ✦ | 133.88K | -26.3% | $2.47M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 36 | Two Sigma Investments ✦ | 89.22K | +3.3% | $1.64M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 37 | Wellington Management ✦ | 85.48K | -23.6% | $1.58M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 38 | Wellington Management ✦ | 85.48K | -23.6% | $1.58M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 39 | Wellington Management ✦ | 85.48K | -23.6% | $1.58M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 40 | D. E. Shaw & Co. ✦ | 60.21K | +476.9% | $1.11M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 41 | D. E. Shaw & Co. ✦ | 60.21K | +476.9% | $1.11M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 42 | Citadel Advisors ✦ | 42.12K | +46.9% | $776,272 | 0.0% | ▲ Add | 6 | SEC ↗ |
| 43 | Millennium Management ✦ | 39.80K | New | $733,514 | 0.0% | New | 1 | SEC ↗ |
| 44 | T. Rowe Price ✦ | 27.95K | +20.1% | $516,000 | 0.0% | ▲ Add | 6 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Millennium Management | $733,514 | 0.0% |
Exited
| AQR Capital Management | $145,946 | was 0.0% |
| Point72 Asset Management | $80,059 | was 0.0% |
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.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q3 2025 ·
Methodology ·
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