APH
Amphenol Corporation · Technology · Hardware, Equipment & Parts
Momentum inputs (comparable managers):
holder breadth -13.3% ·
share flow -8.1% ·
net new positions -15.4%
— 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 | 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 | State Street Global Advisors ✦ (passive) | 55.31M | +2.2% | $3.64B | 0.1% | ▲ Add | 2 | SEC ↗ |
| 2 | T. Rowe Price ✦ | 42.11M | -28.5% | $2.76B | 0.3% | ▼ Trim | 4 | SEC ↗ |
| 3 | T. Rowe Price ✦ | 42.11M | -28.5% | $2.76B | 0.3% | ▼ Trim | 4 | SEC ↗ |
| 4 | Geode Capital Management ✦ (passive) | 26.30M | +3.8% | $1.72B | 0.1% | ▲ Add | 4 | SEC ↗ |
| 5 | Geode Capital Management ✦ (passive) | 26.30M | +3.8% | $1.72B | 0.1% | ▲ Add | 4 | SEC ↗ |
| 6 | Norges Bank ✦ (passive) | 19.91M | +0.3% | $1.31B | 0.2% | ▲ Add | 4 | SEC ↗ |
| 7 | Wellington Management ✦ | 12.17M | +73.5% | $798.16M | 0.2% | ▲ Add | 4 | SEC ↗ |
| 8 | Wellington Management ✦ | 12.17M | +73.5% | $798.16M | 0.2% | ▲ Add | 4 | SEC ↗ |
| 9 | Wellington Management ✦ | 12.17M | +73.5% | $798.16M | 0.2% | ▲ Add | 4 | SEC ↗ |
| 10 | Wellington Management ✦ | 12.17M | +73.5% | $798.16M | 0.2% | ▲ Add | 4 | SEC ↗ |
| 11 | Wellington Management ✦ | 12.17M | +73.5% | $798.16M | 0.2% | ▲ Add | 4 | SEC ↗ |
| 12 | Wellington Management ✦ | 12.17M | +73.5% | $798.16M | 0.2% | ▲ Add | 4 | SEC ↗ |
| 13 | Wellington Management ✦ | 12.17M | +73.5% | $798.16M | 0.2% | ▲ Add | 4 | SEC ↗ |
| 14 | AQR Capital Management ✦ | 3.28M | +338.8% | $212.80M | 0.2% | ▲ Add | 4 | SEC ↗ |
| 15 | AQR Capital Management ✦ | 3.28M | +338.8% | $212.80M | 0.2% | ▲ Add | 4 | SEC ↗ |
| 16 | AQR Capital Management ✦ | 3.28M | +338.8% | $212.80M | 0.2% | ▲ Add | 4 | SEC ↗ |
| 17 | AQR Capital Management ✦ | 3.28M | +338.8% | $212.80M | 0.2% | ▲ Add | 4 | SEC ↗ |
| 18 | AQR Capital Management ✦ | 3.28M | +338.8% | $212.80M | 0.2% | ▲ Add | 4 | SEC ↗ |
| 19 | AQR Capital Management ✦ | 3.28M | +338.8% | $212.80M | 0.2% | ▲ Add | 4 | SEC ↗ |
| 20 | Arrowstreet Capital ✦ | 1.98M | -26.5% | $129.67M | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 21 | Adage Capital Partners ✦ | 1.37M | +8.2% | $90.04M | 0.2% | ▲ Add | 4 | SEC ↗ |
| 22 | Citadel Advisors ✦ | 1.17M | -78.1% | $77.01M | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 23 | Citadel Advisors ✦ | 1.17M | -78.1% | $77.01M | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 24 | D. E. Shaw & Co. ✦ | 1.10M | +80.8% | $72.13M | 0.1% | ▲ Add | 4 | SEC ↗ |
| 25 | D. E. Shaw & Co. ✦ | 1.10M | +80.8% | $72.13M | 0.1% | ▲ Add | 4 | SEC ↗ |
| 26 | Millennium Management ✦ | 360.80K | -81.1% | $23.66M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 27 | Gotham Asset Management ✦ | 179.89K | +29.6% | $11.80M | 0.1% | ▲ Add | 4 | SEC ↗ |
| 28 | Two Sigma Investments ✦ | 48.14K | -88.3% | $3.16M | 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
| Point72 Asset Management | $79.90M | was 0.2% |
| Marshall Wace | $23.16M | 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.