ARTNA
name pending profile ingest
Momentum inputs (comparable managers):
holder breadth +8.3% ·
share flow +2.9% ·
net new positions +7.7%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 45 | -2 | 3.02M | $102.76M | +2 | −4 |
| Q1 2026 | 47 | +4 | 3.23M | $102.91M | +5 | −1 |
| Q4 2025 | 43 | 0 | 3.41M | $107.80M | — | — |
| Q3 2025 | 15 | -1 | 2.51M | $81.97M | — | −1 |
| Q2 2025 | 13 | +1 | 2.26M | $75.74M | +1 | — |
| Q1 2025 | 9 | 0 | 857.20K | $27.99M | — | — |
| Q4 2024 | 9 | 0 | 775.30K | $24.52M | +1 | −1 |
| Q3 2024 | 8 | 0 | 716.25K | $26.63M | — | — |
| Q2 2024 | 8 | — | 703.29K | $24.73M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 820.64K | — | $27.54M | 0.0% | n/c | 1 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 820.64K | — | $27.54M | 0.0% | n/c | 1 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 820.64K | — | $27.54M | 0.0% | n/c | 1 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 820.64K | — | $27.54M | 0.0% | n/c | 1 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 820.64K | — | $27.54M | 0.0% | n/c | 1 | SEC ↗ |
| 6 | The Vanguard Group ✦ (passive) | 511.33K | — | $17.16M | 0.0% | n/c | 1 | SEC ↗ |
| 7 | The Vanguard Group ✦ (passive) | 511.33K | — | $17.16M | 0.0% | n/c | 1 | SEC ↗ |
| 8 | Renaissance Technologies ✦ | 258.26K | -4.0% | $8.67M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 9 | Adage Capital Partners ✦ | 150.00K | New | $5.03M | 0.0% | New | 1 | SEC ↗ |
| 10 | Geode Capital Management ✦ (passive) | 108.37K | -5.7% | $3.64M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 11 | Geode Capital Management ✦ (passive) | 108.37K | -5.7% | $3.64M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 12 | Millennium Management ✦ | 74.67K | -23.2% | $2.51M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 13 | State Street Global Advisors ✦ (passive) | 69.58K | -1.0% | $2.34M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 14 | Marshall Wace ✦ | 69.11K | -12.1% | $2.32M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 15 | Two Sigma Investments ✦ | 63.40K | +3.3% | $2.13M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 16 | Arrowstreet Capital ✦ | 54.51K | +39.1% | $1.83M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 17 | Citadel Advisors ✦ | 53.72K | -46.8% | $1.80M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 18 | Citadel Advisors ✦ | 53.72K | -46.8% | $1.80M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 19 | D. E. Shaw & Co. ✦ | 18.15K | -28.7% | $609,080 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 20 | Fidelity (FMR) ✦ | 4.92K | — | $165,098 | 0.0% | n/c | 1 | SEC ↗ |
| 21 | Fidelity (FMR) ✦ | 4.92K | — | $165,098 | 0.0% | n/c | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Adage Capital Partners | $5.03M | 0.0% |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 104 holders, 5.41M shares, $141.62M 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.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Director · 2.00K sh · $70,600
Director · 2.00K sh · $70,002
Director · 2.00K sh · $70,014
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology