Companies › APH
AMPHENOL CORP (APH)
Institutional ownership, SEC filings and insider activity
Sector: Technology · SEC CIK 0000820313 · EDGAR filings · Updated 2026-05-29
AMPHENOL CORP (APH) has reported institutional ownership of 93.6%, with 2,103 institutional managers holding positions valued at $145.2B per the latest 13F reporting period. The company has 21 bond series in the registry.
Latest updates
- 2026-05-29 — SD filed
- 2026-05-27 — Insider transaction reported (Form 4)
- 2026-05-27 — Insider transaction reported (Form 4)
- 2026-05-27 — Insider transaction reported (Form 4)
- 2026-05-27 — Insider transaction reported (Form 4)
- 2026-05-27 — Insider transaction reported (Form 4)
- 2026-05-27 — Insider transaction reported (Form 4)
- 2026-05-27 — Insider transaction reported (Form 4)
Institutional ownership overview
According to SEC 13F filings tracked by Sightfile, AMPHENOL CORP has 2,103 institutional holders and institutional ownership of 93.6%.
| # | Institution | Reported value | % of tracked total |
|---|---|---|---|
| 1 | BlackRock, Inc. | $12.9B | 8.9% |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | $10.1B | 7.0% |
| 3 | FMR LLC | $10.0B | 6.9% |
| 4 | STATE STREET CORP | $7.27B | 5.0% |
| 5 | JPMORGAN CHASE & CO | $5.87B | 4.0% |
| 6 | VANGUARD PORTFOLIO MANAGEMENT LLC | $4.53B | 3.1% |
| 7 | Capital International Investors | $4.46B | 3.1% |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | $3.95B | 2.7% |
| 9 | Capital Research Global Investors | $3.36B | 2.3% |
| 10 | PRICE T ROWE ASSOCIATES INC /MD/ | $3.31B | 2.3% |
Full holder history and quarter-over-quarter changes are available inside the app.
Insider activity
Insiders reported 106 transactions (1 buys, 41 sells) across 16 reporting insiders, with a net reported value of −$724.3M.
Quarterly net insider value, as reported in Form 4 filings.
Debt profile
21 active bond series in the registry, coupons ranging 0.75%–5.38%, maturities through 2055, built from the company's own prospectus filings.
Debt maturity schedule
Principal coming due by year for AMPHENOL CORP, from the company's own SEC prospectus filings (424B) tracked by Sightfile.
| Year | Bond series maturing | Known principal due |
|---|---|---|
| 2026 | 2 | — |
| 2027 | 5 | $450.0M |
| 2028 | 3 | — |
| 2029 | 3 | $450.0M |
| 2030 | 4 | — |
| 2031 | 2 | — |
| 2032 | 2 | — |
| 2033 | 2 | — |
| 2034 | 2 | $600.0M |
| 2035 | 1 | — |
| 2036 | 2 | — |
| 2054 | 2 | — |
Coupons, seniority and prospectus links for each series are available inside the app.
Fails-to-deliver
The SEC's fails-to-deliver file for 2026-06-26 reports 708 failed-to-deliver shares ($1.44M) for APH — an official data point published by the SEC, shown as reported.
Related companies
PALANTIR TECHNOLOGIES INC CLASS A (PLTR) · ORACLE CORP (ORCL) · TEXAS INSTRS INC (TXN) · IBM CORP (IBM) · INTEL CORP (INTC) · SALESFORCE INC (CRM)
See full history, cross-references and alerts on SightfileData sources: SEC EDGAR (filings, 13F, FTD), aggregated by Sightfile. Page updated 2026-05-29.