APH
Amphenol Corporation · Technology · Hardware, Equipment & Parts
Momentum inputs (comparable managers):
holder breadth -21.1% ·
share flow -12.9% ·
net new positions -20.0%
— formula
Broad distribution — falling shares and fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2024
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 177 | -1 | 922.85M | $161.85B | +5 | −5 |
| Q1 2026 | 180 | 0 | 922.10M | $116.20B | +5 | −6 |
| Q4 2025 | 179 | +1 | 958.01M | $129.47B | +2 | — |
| Q3 2025 | 23 | +2 | 552.69M | $68.39B | +2 | −1 |
| Q2 2025 | 19 | +3 | 519.80M | $51.33B | +3 | — |
| Q1 2025 | 13 | -2 | 165.29M | $10.84B | — | −2 |
| Q4 2024 | 15 | -1 | 179.86M | $12.50B | — | −1 |
| Q3 2024 | 15 | -4 | 110.77M | $7.21B | — | −4 |
| Q2 2024 | 19 | — | 127.19M | $8.56B | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | T. Rowe Price ✦ | 43.07M | -26.3% | $2.81B | 0.3% | ▼ Trim | 2 | SEC ↗ |
| 2 | T. Rowe Price ✦ | 43.07M | -26.3% | $2.81B | 0.3% | ▼ Trim | 2 | SEC ↗ |
| 3 | Geode Capital Management ✦ (passive) | 24.67M | +2.3% | $1.60B | 0.1% | ▲ Add | 2 | SEC ↗ |
| 4 | Geode Capital Management ✦ (passive) | 24.67M | +2.3% | $1.60B | 0.1% | ▲ Add | 2 | SEC ↗ |
| 5 | Norges Bank ✦ (passive) | 19.38M | -7.0% | $1.26B | 0.2% | ▼ Trim | 2 | SEC ↗ |
| 6 | Citadel Advisors ✦ | 5.13M | +204.3% | $334.31M | 0.4% | ▲ Add | 2 | SEC ↗ |
| 7 | Citadel Advisors ✦ | 5.13M | +204.3% | $334.31M | 0.4% | ▲ Add | 2 | SEC ↗ |
| 8 | Arrowstreet Capital ✦ | 3.31M | +27.2% | $215.80M | 0.2% | ▲ Add | 2 | SEC ↗ |
| 9 | Millennium Management ✦ | 2.89M | -12.7% | $188.37M | 0.2% | ▼ Trim | 2 | SEC ↗ |
| 10 | D. E. Shaw & Co. ✦ | 2.64M | +438.0% | $172.03M | 0.2% | ▲ Add | 2 | SEC ↗ |
| 11 | D. E. Shaw & Co. ✦ | 2.64M | +438.0% | $172.03M | 0.2% | ▲ Add | 2 | SEC ↗ |
| 12 | Two Sigma Investments ✦ | 2.41M | +29294.1% | $157.06M | 0.4% | ▲ Add | 2 | SEC ↗ |
| 13 | Point72 Asset Management ✦ | 2.21M | +151.7% | $144.05M | 0.5% | ▲ Add | 2 | SEC ↗ |
| 14 | Third Point ✦ | 1.60M | -42.9% | $104.26M | 1.4% | ▼ Trim | 2 | SEC ↗ |
| 15 | Adage Capital Partners ✦ | 1.42M | +44.9% | $92.70M | 0.2% | ▲ Add | 2 | SEC ↗ |
| 16 | Wellington Management ✦ | 974.27K | -48.1% | $63.48M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 17 | Wellington Management ✦ | 974.27K | -48.1% | $63.48M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 18 | Wellington Management ✦ | 974.27K | -48.1% | $63.48M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 19 | AQR Capital Management ✦ | 787.12K | +35.9% | $50.86M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 20 | AQR Capital Management ✦ | 787.12K | +35.9% | $50.86M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 21 | AQR Capital Management ✦ | 787.12K | +35.9% | $50.86M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 22 | AQR Capital Management ✦ | 787.12K | +35.9% | $50.86M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 23 | Gotham Asset Management ✦ | 139.33K | -1.0% | $9.08M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 24 | Marshall Wace ✦ | 126.70K | -25.8% | $8.26M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 25 | Marshall Wace ✦ | 126.70K | -25.8% | $8.26M | 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
| No new tracked buyers this quarter. |
Exited
| Coatue Management | $418.50M | was 1.6% |
| Altimeter Capital | $136.44M | was 2.0% |
| Bridgewater Associates | $1.97M | was 0.0% |
| Fisher Asset Management | $254,479 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 2,099 holders, 1.10B shares, $133.08B 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.