Amphenol Corp. 13F holders
Of the 44 funds followed here, 12 reported a position in Amphenol Corp. in a 13F for the quarter ended 30 June 2026. The largest: FMR LLC, 70.6 million shares worth $12.44 billion, 0.5% of its reported book. New this quarter: Atreides Management. Sold out: Lone Pine Capital.
| Fund | Shares | Value | Of its book | Change on the quarter | Status | Quarter ended | Filing |
|---|---|---|---|---|---|---|---|
| FMR LLC | 70,569,005 | $12.44 billion | 0.5% | -8,908,516 | trimmed | 30 June 2026 | 13F |
| Geode Capital Management | 31,068,834 | $5.47 billion | 0.3% | -227,133 | trimmed | 30 June 2026 | 13F |
| Capital Research Global Investors | 29,487,845 | $5.20 billion | 0.7% | +2,857,216 | added | 30 June 2026 | 13F |
| Norges Bank | 19,193,869 | $3.38 billion | 0.3% | held | 30 June 2026 | 13F | |
| Citadel Advisors | 2,364,629 | $416.9 million | 0.0% | -606,081 | trimmed | 30 June 2026 | 13F |
| Alyeska | 2,318,178 | $408.7 million | 1.1% | -518,743 | trimmed | 30 June 2026 | 13F |
| Millennium Management | 2,107,350 | $371.6 million | 0.1% | -497,044 | trimmed | 30 June 2026 | 13F |
| Point72 Asset Management | 709,093 | $125.0 million | 0.1% | +557,293 | added | 30 June 2026 | 13F |
| Bridgewater Associates | 697,612 | $123.0 million | 0.5% | -165,436 | trimmed | 30 June 2026 | 13F |
| Atreides Management | 640,069 | $112.9 million | 0.8% | +640,069 | new | 30 June 2026 | 13F |
| Renaissance Technologies | 152,000 | $26.8 million | 0.0% | -422,100 | trimmed | 30 June 2026 | 13F |
| Two Sigma Investments | 150,208 | $26.5 million | 0.0% | -159,901 | trimmed | 30 June 2026 | 13F |
| Lone Pine Capital | 0 | $0 | 0.0% | -223,084 | exited | 30 June 2026 | 13F |
Value is what the fund reported. Change is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.
Schedule 13D and 13G filed on the name, last twelve months
| Filed | Schedule | Who | Holding | Of the class | Event date | Rule or purpose | Filing |
|---|---|---|---|---|---|---|---|
| 6 August 2026 | 13G/A | Fmr Llc and 3 others | 70.5 million | 5.7% | 30 June 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 29 April 2026 | 13G | Vanguard Capital Management and 1 other | 91.9 million | 7.5% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 26 March 2026 | 13G/A | The Vanguard Group and 1 other | 0 | 0.0% | 13 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 5 February 2026 | 13G/A | Fmr Llc and 3 others | 86.4 million | 7.1% | 31 December 2025 | passive, institutional (13d-1(b)) | EDGAR |
| 5 November 2025 | 13G/A | Fmr Llc and 3 others | 99.8 million | 8.2% | 30 September 2025 | passive, institutional (13d-1(b)) | EDGAR |
| 30 October 2025 | 13G/A | The Vanguard Group and 1 other | 125.2 million | 10.2% | 30 September 2025 | passive, institutional (13d-1(b)) | EDGAR |
A Schedule 13D is filed by anyone who crosses 5% of a class with intent to influence; a 13G by a passive holder. Amendments (/A) report a change, including an exit to zero. Holding and percentage are as the filer stated them on the cover page; the purpose is the filer's own words, cut short.
Fails to deliver
| Settlement date | Shares failed | Price | File |
|---|---|---|---|
| 25 August 2026 | 380 | $155.55 | SEC |
| 19 August 2026 | 461 | $159.57 | SEC |
| 12 August 2026 | 129 | $167.23 | SEC |
| 11 August 2026 | 240 | $167.70 | SEC |
| 5 August 2026 | 1,605 | $171.33 | SEC |
| 4 August 2026 | 195 | $163.34 | SEC |
| 31 July 2026 | 1,646 | $159.82 | SEC |
| 22 July 2026 | 21 | $157.81 | SEC |
| 15 July 2026 | 30,225 | $158.37 | SEC |
Shares that failed to deliver at settlement, per day, from the SEC's half-month files, which arrive about two weeks after the period. Largest in the window: 30,225 on 15 July 2026. A fail is an operational fact about settlement, not a position.
Source
Each fund's 13F-HR on EDGAR, linked per row; positions matched to APH by CUSIP from the SEC's own fails-to-deliver files; Schedule 13D and 13G from the company's own filing index, each read to confirm the company is the issuer named.
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