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Arista Networks, Inc. · Technology · Computer Hardware
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2026
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 4 | +1 | 4.17M | $850.09M | +1 | n/a |
| Q2 2026 | 170 | -2 | 699.51M | $118.71B | +5 | −8 |
| Q1 2026 | 176 | -4 | 700.32M | $85.84B | +2 | −7 |
| Q4 2025 | 179 | 0 | 721.50M | $94.53B | +1 | n/a |
| Q3 2025 | 25 | 0 | 434.75M | $63.33B | n/a | −1 |
| Q2 2025 | 23 | 0 | 343.47M | $35.13B | n/a | n/a |
| Q1 2025 | 20 | -1 | 124.64M | $9.64B | n/a | −1 |
| Q4 2024 | 21 | +1 | 124.57M | $13.76B | +1 | n/a |
| Q3 2024 | 19 | -1 | 22.85M | $8.76B | n/a | −1 |
| Q2 2024 | 20 | n/a | 22.72M | $7.96B | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Assenagon Asset Management S.A. | 3.41M | -17.6% | $695.24M | 0.7% | ▼ Trim | 4 | SEC ↗ |
| 2 | TD Waterhouse Canada Inc. | 455.15K | +12.3% | $93.67M | 0.2% | ▲ Add | 4 | SEC ↗ |
| 3 | Wealth Enhancement Advisory… | 301.85K | +4.5% | $60.58M | 0.1% | ▲ Add | 4 | SEC ↗ |
| 4 | Ninety One UK Ltd | 2.91K | New | $591,837 | 0.0% | New | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Ninety One UK Ltd | $591,837 | 0.0% |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 1,985 holders, 864.62M shares, $100.19B 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)
Officer, Director · 18.66K sh · $4.05M
Officer, Director · 93.24K sh · $20.24M
Officer, Director · 4.00K sh · $868,193
Officer, Director · 19.99K sh · $4.34M
Officer, Director · 69.27K sh · $15.04M
Officer, Director · 13.86K sh · $3.01M
Officer, Director · 51.80K sh · $11.00M
Officer, Director · 781 sh · $166,403
Officer, Director · 13.18K sh · $2.79M
Officer · 1.22K sh · $263,160
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology