Security record
ARCT
Arcturus Therapeutics Holdings Inc. · Healthcare · Biotechnology
62Tracked holders
+4Δ holders
19.18MShares held
$128.95MReported value
+5New positions
−1Exits
Momentum inputs (comparable managers):
holder breadth +6.9% ·
share flow +3.5% ·
net new positions +6.5%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026
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 · Q2 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Federated Hermes, Inc. | 3.30M | 0.0% | $22.20M | 0.0% | Held | 3 | SEC ↗ |
| 2 | ARK Investment Management ✦ | 2.90M | +4.8% | $19.50M | 0.1% | ▲ Add | 9 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 2.61M | 0.0% | $17.57M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 2.61M | 0.0% | $17.57M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 2.61M | 0.0% | $17.57M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 2.61M | 0.0% | $17.57M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 2.61M | 0.0% | $17.57M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 2.61M | 0.0% | $17.57M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 2.61M | 0.0% | $17.57M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 2.61M | 0.0% | $17.57M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 2.61M | 0.0% | $17.57M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 12 | Sumitomo Mitsui Trust Group, Inc. | 1.96M | -14.2% | $13.19M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 13 | Vanguard Capital Management Llc | 1.11M | +0.7% | $7.49M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 14 | Two Sigma Investments ✦ | 1.09M | +0.9% | $7.33M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 15 | Geode Capital Management ✦ (passive) | 693.66K | +5.0% | $4.66M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 16 | Geode Capital Management ✦ (passive) | 693.66K | +5.0% | $4.66M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 17 | AQR Capital Management ✦ | 675.01K | +318.5% | $4.54M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 18 | AQR Capital Management ✦ | 675.01K | +318.5% | $4.54M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 19 | AQR Capital Management ✦ | 675.01K | +318.5% | $4.54M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 20 | AQR Capital Management ✦ | 675.01K | +318.5% | $4.54M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 21 | AQR Capital Management ✦ | 675.01K | +318.5% | $4.54M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 22 | AQR Capital Management ✦ | 675.01K | +318.5% | $4.54M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 23 | AQR Capital Management ✦ | 675.01K | +318.5% | $4.54M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 24 | State Street Global Advisors ✦ (passive) | 569.60K | +4.7% | $3.83M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 25 | UBS Group AG | 490.63K | +7.1% | $3.30M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 26 | UBS Group AG | 490.63K | +7.1% | $3.30M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 27 | UBS Group AG | 490.63K | +7.1% | $3.30M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 28 | UBS Group AG | 490.63K | +7.1% | $3.30M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 29 | D. E. Shaw & Co. ✦ | 392.36K | +55.7% | $2.64M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 30 | D. E. Shaw & Co. ✦ | 392.36K | +55.7% | $2.64M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 31 | Millennium Management ✦ | 337.00K | -29.6% | $2.26M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 32 | Goldman Sachs Group ✦ | 309.86K | +56.0% | $2.08M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 33 | Goldman Sachs Group ✦ | 309.86K | +56.0% | $2.08M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 34 | Bnp Paribas Financial Markets | 261.79K | +34.4% | $1.76M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 35 | Charles Schwab Investment… | 231.63K | +7.0% | $1.56M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 36 | Point72 Asset Management ✦ | 231.58K | +262.7% | $1.56M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 37 | Dimensional Fund Advisors Lp | 221.32K | -23.2% | $1.49M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 38 | Dimensional Fund Advisors Lp | 221.32K | -23.2% | $1.49M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 39 | Dimensional Fund Advisors Lp | 221.32K | -23.2% | $1.49M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 40 | Dimensional Fund Advisors Lp | 221.32K | -23.2% | $1.49M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 41 | Northern Trust Corp | 204.58K | -6.8% | $1.37M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 42 | Northern Trust Corp | 204.58K | -6.8% | $1.37M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 43 | Northern Trust Corp | 204.58K | -6.8% | $1.37M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 44 | JPMorgan Chase ✦ | 195.70K | -1.1% | $1.33M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 45 | JPMorgan Chase ✦ | 195.70K | -1.1% | $1.33M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 46 | JPMorgan Chase ✦ | 195.70K | -1.1% | $1.33M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 47 | Invesco Ltd. | 104.19K | -8.3% | $700,144 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 48 | Invesco Ltd. | 104.19K | -8.3% | $700,144 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 49 | Invesco Ltd. | 104.19K | -8.3% | $700,144 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 50 | Invesco Ltd. | 104.19K | -8.3% | $700,144 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 51 | Morgan Stanley ✦ | 97.41K | -22.8% | $654,568 | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 52 | Morgan Stanley ✦ | 97.41K | -22.8% | $654,568 | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 53 | Morgan Stanley ✦ | 97.41K | -22.8% | $654,568 | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 54 | Morgan Stanley ✦ | 97.41K | -22.8% | $654,568 | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 55 | Morgan Stanley ✦ | 97.41K | -22.8% | $654,568 | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 56 | Morgan Stanley ✦ | 97.41K | -22.8% | $654,568 | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 57 | Quantinno Capital Management LP | 85.88K | +20.4% | $577,080 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 58 | Bank of New York Mellon Corp | 80.31K | +7.1% | $539,711 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 59 | Bank of New York Mellon Corp | 80.31K | +7.1% | $539,711 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 60 | Bank of New York Mellon Corp | 80.31K | +7.1% | $539,711 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 61 | Bank of New York Mellon Corp | 80.31K | +7.1% | $539,711 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 62 | Marshall Wace ✦ | 77.27K | New | $519,247 | 0.0% | New | 1 | SEC ↗ |
| 63 | Marshall Wace ✦ | 77.27K | New | $519,247 | 0.0% | New | 1 | SEC ↗ |
| 64 | Russell Investments Group, Ltd. | 75.90K | +139.4% | $510,070 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 65 | Russell Investments Group, Ltd. | 75.90K | +139.4% | $510,070 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 66 | Russell Investments Group, Ltd. | 75.90K | +139.4% | $510,070 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 67 | Russell Investments Group, Ltd. | 75.90K | +139.4% | $510,070 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 68 | Russell Investments Group, Ltd. | 75.90K | +139.4% | $510,070 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 69 | American Century Companies Inc | 65.36K | -1.0% | $439,226 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 70 | Ameriprise Financial Inc | 65.28K | New | $438,694 | 0.0% | New | 1 | SEC ↗ |
| 71 | Ameriprise Financial Inc | 65.28K | New | $438,694 | 0.0% | New | 1 | SEC ↗ |
| 72 | Hsbc Holdings Plc | 56.90K | +7.7% | $393,713 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 73 | Massachusetts Financial Services Co… | 57.48K | -3.8% | $386,266 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 74 | Massachusetts Financial Services Co… | 57.48K | -3.8% | $386,266 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 75 | Nuveen, LLC | 52.54K | 0.0% | $353,082 | 0.0% | Held | 3 | SEC ↗ |
| 76 | Nuveen, LLC | 52.54K | 0.0% | $353,082 | 0.0% | Held | 3 | SEC ↗ |
| 77 | Squarepoint Ops LLC | 50.25K | +264.8% | $337,700 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 78 | Susquehanna International Group, Llp | 47.56K | -76.7% | $319,583 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 79 | Citadel Advisors ✦ | 40.95K | +17.7% | $275,157 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 80 | Citadel Advisors ✦ | 40.95K | +17.7% | $275,157 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 81 | Alliancebernstein L.P. | 35.28K | +27.3% | $272,362 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 82 | T. Rowe Price ✦ | 36.89K | +23.8% | $248,000 | 0.0% | ▲ Add | 9 | SEC ↗ |
| 83 | Rhumbline Advisers | 31.89K | +3.3% | $214,271 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 84 | Wells Fargo & Company/Mn | 29.89K | +57.3% | $200,874 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 85 | Wells Fargo & Company/Mn | 29.89K | +57.3% | $200,874 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 86 | Wells Fargo & Company/Mn | 29.89K | +57.3% | $200,874 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 87 | Deutsche Bank Ag\ | 28.99K | -7.6% | $194,840 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 88 | Allspring Global Investments… | 27.65K | +2.9% | $185,815 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 89 | Mercer Global Advisors Inc /Adv | 24.01K | +120.5% | $161,320 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 90 | Bank Of America Corp /De/ | 22.50K | -21.7% | $151,207 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 91 | Renaissance Technologies ✦ | 21.40K | -88.0% | $143,808 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 92 | Mariner, LLC | 20.55K | New | $138,132 | 0.0% | New | 1 | SEC ↗ |
| 93 | Fidelity (FMR) ✦ | 19.54K | +322.9% | $131,322 | 0.0% | ▲ Add | 5 | SEC ↗ |
| 94 | Fidelity (FMR) ✦ | 19.54K | +322.9% | $131,322 | 0.0% | ▲ Add | 5 | SEC ↗ |
| 95 | Commonwealth Equity Services, Llc | 17.74K | -2.3% | $119,220 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 96 | Jane Street Group, Llc | 15.01K | -35.0% | $100,867 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 97 | Raymond James Financial Inc | 14.32K | New | $96,251 | 0.0% | New | 1 | SEC ↗ |
| 98 | Raymond James Financial Inc | 14.32K | New | $96,251 | 0.0% | New | 1 | SEC ↗ |
| 99 | Wealth Enhancement Advisory… | 13.28K | New | $92,576 | 0.0% | New | 1 | SEC ↗ |
| 100 | Barclays Plc | 13.78K | +1.1% | $92,568 | 0.0% | ▲ Add | 3 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Marshall Wace | $519,247 | 0.0% |
| Marshall Wace | $519,247 | 0.0% |
| Ameriprise Financial Inc | $438,694 | 0.0% |
| Ameriprise Financial Inc | $438,694 | 0.0% |
| Mariner, LLC | $138,132 | 0.0% |
| Raymond James Financial Inc | $96,251 | 0.0% |
| Raymond James Financial Inc | $96,251 | 0.0% |
| Wealth Enhancement Advisory… | $92,576 | 0.0% |
Exited
| Hrt Financial Lp | $116,000 | 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: Q2 2026 ·
Methodology ·
Get this via the API