NTCT
NetScout Systems, Inc. · Technology · Software - Infrastructure
Momentum inputs (comparable managers):
holder breadth +14.3% ·
share flow 0.0% ·
net new positions +12.5%
· 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 |
|---|---|---|---|---|---|---|
| Q3 2026 | 2 | +1 | 79.49K | $2.42M | +1 | n/a |
| Q2 2026 | 106 | +1 | 49.95M | $2.17B | +8 | −10 |
| Q1 2026 | 111 | +8 | 49.36M | $1.57B | +13 | −5 |
| Q4 2025 | 102 | 0 | 55.83M | $1.51B | n/a | n/a |
| Q3 2025 | 20 | +2 | 31.55M | $814.93M | +2 | −1 |
| Q2 2025 | 16 | +2 | 28.52M | $707.67M | +2 | n/a |
| Q1 2025 | 11 | +1 | 7.45M | $156.60M | +1 | n/a |
| Q4 2024 | 10 | 0 | 7.84M | $169.82M | +1 | −1 |
| Q3 2024 | 9 | -1 | 5.18M | $112.64M | n/a | −1 |
| Q2 2024 | 10 | n/a | 5.66M | $103.52M | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 11.52M | n/a | $285.73M | 0.0% | n/c | 1 | SEC ↗ ×16 |
| 2 | The Vanguard Group ✦ (passive) | 9.32M | n/a | $231.13M | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 3 | State Street Global Advisors ✦ (passive) | 3.03M | -2.0% | $75.18M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 4 | Geode Capital Management ✦ (passive) | 1.76M | +1.2% | $43.63M | 0.0% | ▲ Add | 5 | SEC ↗ ×2 |
| 5 | AQR Capital Management ✦ | 724.16K | +63.0% | $17.94M | 0.0% | ▲ Add | 5 | SEC ↗ ×5 |
| 6 | D. E. Shaw & Co. ✦ | 622.44K | -36.4% | $15.44M | 0.0% | ▼ Trim | 5 | SEC ↗ ×2 |
| 7 | Citadel Advisors ✦ | 392.37K | +24.6% | $9.73M | 0.0% | ▲ Add | 5 | SEC ↗ ×2 |
| 8 | Two Sigma Investments ✦ | 264.44K | -35.6% | $6.56M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 9 | Arrowstreet Capital ✦ | 255.51K | +86.0% | $6.34M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 10 | Fidelity (FMR) ✦ | 237.71K | n/a | $5.90M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 11 | Marshall Wace ✦ | 114.08K | New | $2.83M | 0.0% | New | 1 | SEC ↗ ×2 |
| 12 | Renaissance Technologies ✦ | 84.70K | New | $2.10M | 0.0% | New | 1 | SEC ↗ |
| 13 | T. Rowe Price ✦ | 65.05K | +15.9% | $1.61M | 0.0% | ▲ Add | 5 | SEC ↗ ×2 |
| 14 | Norges Bank ✦ (passive) | 63.79K | -40.2% | $1.58M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 15 | Millennium Management ✦ | 51.18K | -68.8% | $1.27M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 16 | Gotham Asset Management ✦ | 27.73K | +161.3% | $687,981 | 0.0% | ▲ Add | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Marshall Wace | $2.83M | 0.0% |
| Renaissance Technologies | $2.10M | 0.0% |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 284 holders, 66.21M shares, $1.95B 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 · 7.00K sh · $266,000
Director · 4.00K sh · $150,800
Officer · 2.27K sh · $89,104
Officer · 8.00K sh · $307,280
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology