ACLS
Axcelis Technologies, Inc. · Technology · Semiconductors
Momentum inputs (comparable managers):
holder breadth -14.3% ·
share flow -19.3% ·
net new positions -16.7%
— formula
Broad distribution — falling shares and fewer 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 | 115 | +8 | 23.56M | $4.45B | +14 | −6 |
| Q1 2026 | 110 | -2 | 24.77M | $2.31B | +8 | −11 |
| Q4 2025 | 113 | -1 | 26.05M | $2.10B | +2 | −2 |
| Q3 2025 | 19 | +2 | 15.18M | $1.48B | +3 | −2 |
| Q2 2025 | 15 | 0 | 13.89M | $968.02M | — | — |
| Q1 2025 | 12 | -2 | 4.01M | $199.11M | — | −2 |
| Q4 2024 | 14 | -1 | 4.97M | $347.01M | — | −1 |
| Q3 2024 | 14 | +1 | 3.52M | $369.55M | +2 | −1 |
| Q2 2024 | 13 | — | 3.59M | $510.78M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | State Street Global Advisors ✦ (passive) | 1.25M | -4.1% | $62.00M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 2 | Geode Capital Management ✦ (passive) | 925.57K | +3.1% | $45.98M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 3 | Geode Capital Management ✦ (passive) | 925.57K | +3.1% | $45.98M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 4 | PRIMECAP Management ✦ | 835.07K | -8.9% | $41.48M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 5 | T. Rowe Price ✦ | 526.42K | +0.4% | $26.15M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 6 | T. Rowe Price ✦ | 526.42K | +0.4% | $26.15M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 7 | Millennium Management ✦ | 184.00K | -36.6% | $9.14M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 8 | Renaissance Technologies ✦ | 89.50K | -57.8% | $4.45M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 9 | Norges Bank ✦ (passive) | 86.38K | -83.3% | $4.29M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 10 | Two Sigma Investments ✦ | 44.34K | +125.8% | $2.20M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 11 | AQR Capital Management ✦ | 35.72K | +4.9% | $1.77M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 12 | AQR Capital Management ✦ | 35.72K | +4.9% | $1.77M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 13 | AQR Capital Management ✦ | 35.72K | +4.9% | $1.77M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 14 | AQR Capital Management ✦ | 35.72K | +4.9% | $1.77M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 15 | Citadel Advisors ✦ | 22.09K | -83.2% | $1.10M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 16 | D. E. Shaw & Co. ✦ | 6.31K | -84.4% | $313,418 | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 17 | Gotham Asset Management ✦ | 4.92K | -79.5% | $244,277 | 0.0% | ▼ Trim | 4 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| Marshall Wace | $3.15M | was 0.0% |
| Bridgewater Associates | $955,682 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 371 holders, 32.35M shares, $2.91B 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.