ARKK
ARK Innovation ETF · Financial Services · Asset Management
Momentum inputs (comparable managers):
holder breadth +20.0% ·
share flow +30.0% ·
net new positions +16.7%
— 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 |
|---|---|---|---|---|---|---|
| Q2 2026 | 66 | -5 | 36.78M | $2.97B | +4 | −10 |
| Q1 2026 | 73 | +4 | 34.17M | $2.30B | +9 | −5 |
| Q4 2025 | 68 | +1 | 34.94M | $2.69B | +2 | −1 |
| Q3 2025 | 9 | +1 | 22.86M | $1.97B | +2 | −1 |
| Q2 2025 | 5 | -2 | 387.73K | $27.25M | — | −2 |
| Q1 2025 | 6 | +1 | 1.60M | $76.35M | +2 | −1 |
| Q4 2024 | 5 | +2 | 292.97K | $16.63M | +2 | — |
| Q3 2024 | 3 | -1 | 1.54M | $73.34M | +1 | −2 |
| Q2 2024 | 4 | — | 2.71M | $118.96M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Citadel Advisors ✦ | 798.16K | +365.0% | $37.98M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 2 | D. E. Shaw & Co. ✦ | 596.17K | +1540.9% | $28.36M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 3 | Renaissance Technologies ✦ | 94.90K | New | $4.52M | 0.0% | New | 1 | SEC ↗ |
| 4 | ARK Investment Management ✦ | 82.93K | +148.8% | $3.95M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 5 | Millennium Management ✦ | 27.88K | New | $1.33M | 0.0% | New | 1 | SEC ↗ |
| 6 | Marshall Wace ✦ | 4.72K | -88.6% | $224,577 | 0.0% | ▼ Trim | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Renaissance Technologies | $4.52M | 0.0% |
| Millennium Management | $1.33M | 0.0% |
Exited
| Two Sigma Investments | $573,377 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 585 holders, 40.24M shares, $2.69B 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.