Amphenol Corporation (APH) ownership: Top institutional holder: VANGUARD GROUP INC ($17.10B). Insider activity: Net Seller (0 buys, 20 sells). 10 recent congressional STOCK Act disclosures. SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| VANGUARD GROUP INC | 126553498.00 | $17.10B | 2025-12-31 |
| BlackRock, Inc. | 101966066.00 | $12.88B | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 79875456.00 | $10.09B | 2026-03-31 |
| FMR LLC | 79477521.00 | $10.04B | 2026-03-31 |
| STATE STREET CORP | 57396418.00 | $7.27B | 2026-03-31 |
| JPMORGAN CHASE & CO | 49270578.00 | $5.87B | 2026-03-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 35850171.00 | $4.53B | 2026-03-31 |
| Capital International Investors | 35333842.00 | $4.46B | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-05-22 | |
| Sell | null | 2026-05-22 | |
| Sell | null | 2026-05-22 | |
| Sell | null | 2026-05-22 | |
| Sell | null | 2026-05-22 | |
| Sell | null | 2026-05-22 | |
| Sell | null | 2026-05-22 | |
| Sell | null | 2026-05-22 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.