ARM
Arm Holdings plc American Depositary Shares · Technology · Semiconductors
Momentum inputs (comparable managers): holder breadth 0.0% · share flow -16.5% · net new positions 0.0% — formula
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2024
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 138 | +5 | 73.34M | $25.93B | +14 | −8 |
| Q1 2026 | 134 | +4 | 62.93M | $9.51B | +12 | −8 |
| Q4 2025 | 129 | +1 | 57.72M | $6.32B | +3 | −2 |
| Q3 2025 | 21 | +3 | 25.52M | $3.61B | +4 | −1 |
| Q2 2025 | 15 | 0 | 16.63M | $2.69B | +2 | −2 |
| Q1 2025 | 13 | 0 | 7.73M | $825.64M | +3 | −3 |
| Q4 2024 | 13 | 0 | 3.93M | $485.23M | +1 | −1 |
| Q3 2024 | 12 | 0 | 4.31M | $615.86M | +1 | −1 |
| Q2 2024 | 12 | — | 5.73M | $937.38M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Wellington Management ✦ | 1.08M | -4.6% | $132.73M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 2 | Wellington Management ✦ | 1.08M | -4.6% | $132.73M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 3 | Wellington Management ✦ | 1.08M | -4.6% | $132.73M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 4 | Wellington Management ✦ | 1.08M | -4.6% | $132.73M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 5 | Wellington Management ✦ | 1.08M | -4.6% | $132.73M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 6 | PRIMECAP Management ✦ | 546.62K | -4.0% | $67.43M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 7 | Citadel Advisors ✦ | 433.35K | -5.2% | $53.46M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 8 | Citadel Advisors ✦ | 433.35K | -5.2% | $53.46M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 9 | Marshall Wace ✦ | 420.73K | New | $51.90M | 0.1% | New | 1 | SEC ↗ |
| 10 | Marshall Wace ✦ | 420.73K | New | $51.90M | 0.1% | New | 1 | SEC ↗ |
| 11 | Marshall Wace ✦ | 420.73K | New | $51.90M | 0.1% | New | 1 | SEC ↗ |
| 12 | State Street Global Advisors ✦ (passive) | 402.52K | — | $49.65M | 0.0% | n/c | 1 | SEC ↗ |
| 13 | Tiger Global Management ✦ | 300.00K | 0.0% | $37.01M | 0.1% | Held | 3 | SEC ↗ |
| 14 | D. E. Shaw & Co. ✦ | 256.10K | -44.4% | $31.59M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 15 | Duquesne Family Office ✦ | 178.39K | +725.5% | $22.01M | 0.6% | ▲ Add | 2 | SEC ↗ |
| 16 | Elliott Investment Management ✦ | 150.00K | 0.0% | $18.50M | 0.2% | Held | 3 | SEC ↗ |
| 17 | Geode Capital Management ✦ (passive) | 108.53K | +0.8% | $13.39M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 18 | Millennium Management ✦ | 48.23K | +28.3% | $5.95M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 19 | T. Rowe Price ✦ | 10.00K | +228.8% | $1.23M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 20 | Fisher Asset Management ✦ | 3.01K | +81.5% | $371,120 | 0.0% | ▲ Add | 3 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Marshall Wace | $51.90M | 0.1% |
| Marshall Wace | $51.90M | 0.1% |
| Marshall Wace | $51.90M | 0.1% |
Exited
| Renaissance Technologies | $153.02M | was 0.2% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 740 holders, 87.41M shares, $12.43B 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.