AMPHENOL CORP APH
CL A · Common Stock · CUSIP 032095101 · ISIN US0320951017
- SectorTechnology
- IndustryElectronic Connectors
- HeadquartersWallingford, CT
- Founded1932
- Websiteamphenol.com
- FilingsSEC EDGAR
Q1 2024 share counts are adjusted for a 2-for-1 stock split, so holders aren't shown as buying or selling because of it.
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($369.1m this quarter). Holder counts are more reliable. Shares outstanding: 1.2bn as of 2024-07-23, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $67.37. Options: 34 managers hold calls ($499.8m notional), 34 hold puts ($230.8m).
Trends to Q2 2024
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 912 |
| Q4 2022 | 949 |
| Q1 2023 | 980 |
| Q2 2023 | 983 |
| Q3 2023 | 1,011 |
| Q4 2023 | 1,085 |
| Q1 2024 | 1,157 |
| Q2 2024 | 1,298 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q4 2022 | 450 | 387 |
| Q1 2023 | 445 | 420 |
| Q2 2023 | 411 | 465 |
| Q3 2023 | 435 | 462 |
| Q4 2023 | 479 | 454 |
| Q1 2024 | 535 | 493 |
| Q2 2024 | 640 | 527 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2023 | $77.3m | $61.8m | 0.80 |
| Q4 2023 | $94.5m | $63.7m | 0.67 |
| Q1 2024 | $136.0m | $184.6m | 1.36 |
| Q2 2024 | $499.8m | $230.8m | 0.46 |
Biggest buyers
| COATUE MANAGEMENT LLC | New | +6.2m |
| VOYA INVESTMENT MANAGEMENT LLC | Added | +2.9m |
| Third Point LLC | New | +2.8m |
| Polar Capital Holdings Plc | Added | +2.5m |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | Added | +2.3m |
| JACOBS LEVY EQUITY MANAGEMENT, INC | New | +2.3m |
| Vontobel Holding Ltd. | Added | +2.2m |
| MILLENNIUM MANAGEMENT LLC | Added | +2.2m |
| ALKEON CAPITAL MANAGEMENT LLC | New | +2.1m |
| Altimeter Capital Management, LP | New | +2.0m |
Biggest sellers
| MORGAN STANLEY | Reduced | -38.6m |
| JPMORGAN CHASE & CO | Reduced | -10.3m |
| FMR LLC | Reduced | -5.5m |
| BlackRock Inc. | Reduced | -4.4m |
| T. Rowe Price Investment Management, Inc. | Reduced | -4.3m |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | Reduced | -4.3m |
| PRICE T ROWE ASSOCIATES INC /MD/ | Reduced | -4.0m |
| VICTORY CAPITAL MANAGEMENT INC | Reduced | -3.8m |
| Mitsubishi UFJ Asset Management Co., Ltd. | Reduced | -3.8m |
| GEODE CAPITAL MANAGEMENT, LLC | Reduced | -3.2m |
Biggest calls
| TOMS Capital Investment Management LP | New | $136.8m2.0m shares |
| GOLDMAN SACHS GROUP INC | New | $66.8m991.6k shares |
| CAPITAL FUND MANAGEMENT S.A. | Added | $45.0m668.6k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $40.4m599.5k shares |
| BANK OF AMERICA CORP /DE/ | New | $28.4m421.2k shares |
| SIMPLEX TRADING, LLC | Reduced | $28.1m416.8k shares |
| CITADEL ADVISORS LLC | Added | $26.3m390.2k shares |
| D. E. Shaw & Co., Inc. | New | $16.4m242.9k shares |
| SCOPUS ASSET MANAGEMENT, L.P. | New | $13.5m200.0k shares |
| Squarepoint Ops LLC | Added | $13.0m192.5k shares |
Biggest puts
| CAPITAL FUND MANAGEMENT S.A. | Added | $44.6m662.0k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $28.8m427.8k shares |
| D. E. Shaw & Co., Inc. | New | $17.1m253.4k shares |
| CITADEL ADVISORS LLC | Added | $13.1m194.7k shares |
| Walleye Capital LLC | Added | $13.1m194.5k shares |
| Walleye Trading LLC | Reduced | $13.0m193.3k shares |
| PROSPECTOR PARTNERS LLC | Unchanged | $11.0m164.0k shares |
| BANK OF AMERICA CORP /DE/ | New | $10.4m153.8k shares |
| Cubist Systematic Strategies, LLC | Added | $9.3m138.0k shares |
| TUDOR INVESTMENT CORP ET AL | New | $8.7m129.4k shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-29 | 7.5% |
| FMR LLC 13G · institution -1.4 pts · filed 2026-08-06 | 5.7% |
Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-26; now reported by VANGUARD CAPITAL MANAGEMENT LLC)
Insider purchases and sales in Q2 2024
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q3 2022 | 0 | — | 2 | $12.5m | — |
| Q4 2022 | 0 | — | 4 | $25.9m | — |
| Q1 2023 | 0 | — | 3 | $65.8m | — |
| Q2 2023 | 0 | — | 1 | $13.7m | — |
| Q3 2023 | 0 | — | 6 | $133.0m | — |
| Q4 2023 | 1 | $1.0m | 1 | $6.7m | — |
| Q1 2024 | 0 | — | 4 | $31.8m | — |
| Q2 2024 | 0 | — | 1 | $25.0m | — |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2024-05-23 | WALTER LUC President, HES Division | Sold | $9.5m70.0k shares |
| 2024-05-22 | WALTER LUC President, HES Division | Sold | $15.5m115.0k shares |
Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).
Holders, Q2 2024
| Manager | Shares | Change |
|---|---|---|
| VANGUARD GROUP INC 0.19% of their portfolio | 148.8m $10.0bn | Added +1.9m |
| FMR LLC 0.44% of their portfolio | 102.0m $6.9bn | Reduced -5.5m |
| BlackRock Inc. 0.14% of their portfolio | 92.8m $6.2bn | Reduced -4.4m |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.47% of their portfolio | 58.4m $3.9bn | Reduced -4.0m |
| JPMORGAN CHASE & CO 0.16% of their portfolio | 55.3m $3.7bn | Reduced -10.3m |
| STATE STREET CORP 0.15% of their portfolio | 52.0m $3.5bn | Reduced -1.7m |
| Bank of New York Mellon Corp 0.47% of their portfolio | 36.6m $2.5bn | Reduced -1.5m |
| GEODE CAPITAL MANAGEMENT, LLC 0.14% of their portfolio | 24.1m $1.6bn | Reduced -3.2m |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 0.48% of their portfolio | 23.2m $1.6bn | Reduced -4.3m |
| BANK OF AMERICA CORP /DE/ 0.15% of their portfolio | 22.6m $1.5bn | Reduced -2.1m |
| NORGES BANK 0.21% of their portfolio | 20.9m $1.4bn | Reduced -1.2m |
| MORGAN STANLEY 0.10% of their portfolio | 19.9m $1.3bn | Reduced -38.6m |
| Mawer Investment Management Ltd. 4.93% of their portfolio | 15.5m $1.0bn | Reduced -904.4k |
| Alecta Tjanstepension Omsesidigt 5.67% of their portfolio | 15.1m $1.0bn | Unchanged |
| ALLIANCEBERNSTEIN L.P. 0.35% of their portfolio | 14.7m $989.6m | Reduced -1.3m |
| Amundi 0.36% of their portfolio | 13.9m $939.4m | Added +1.2m |
| FLOSSBACH VON STORCH SE 3.87% of their portfolio | 13.7m $922.4m | Reduced -2.0m |
| NORTHERN TRUST CORP 0.13% of their portfolio | 11.8m $796.7m | Added +263.3k |
| LAZARD ASSET MANAGEMENT LLC 0.96% of their portfolio | 11.3m $763.6m | Reduced -2.6m |
| ROYAL BANK OF CANADA 0.18% of their portfolio | 10.9m $736.7m | Reduced -407.7k |
| NEUBERGER BERMAN GROUP LLC 0.48% of their portfolio | 8.6m $582.0m | Added +1.9m |
| Invesco Ltd. 0.12% of their portfolio | 8.5m $574.4m | Reduced -1.7m |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.15% of their portfolio | 7.9m $530.3m | Added +1.6m |
| Legal & General Group Plc 0.15% of their portfolio | 7.7m $519.2m | Added +329.7k |
| FRANKLIN RESOURCES INC 0.16% of their portfolio | 7.6m $514.1m | Reduced -185.3k |
| BARCLAYS PLC 0.22% of their portfolio | 7.1m $477.2m | Reduced -542.5k |
| STIFEL FINANCIAL CORP 0.53% of their portfolio | 7.0m $472.6m | Reduced -263.8k |
| T. Rowe Price Investment Management, Inc. 0.30% of their portfolio | 7.0m $470.0m | Reduced -4.3m |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.08% of their portfolio | 6.5m $437.6m | Added +9.1k |
| GOLDMAN SACHS GROUP INC 0.09% of their portfolio | 6.5m $437.5m | Added +1.5m |
| COATUE MANAGEMENT LLC 1.63% of their portfolio | 6.2m $418.5m | New |
| California Public Employees Retirement System 0.29% of their portfolio | 5.9m $394.2m | Reduced -1.0m |
| ENVESTNET ASSET MANAGEMENT INC 0.11% of their portfolio | 4.8m $321.7m | Reduced -474.7k |
| Capital Research Global Investors 0.07% of their portfolio | 4.6m $311.4m | Reduced -1.0m |
| Navera Investment Management Ltd. 5.63% of their portfolio | 4.4m $299.6m | Reduced -438.2k |
| TD Asset Management Inc 0.28% of their portfolio | 4.4m $299.0m | Reduced -570.4k |
| FIRST TRUST ADVISORS LP 0.30% of their portfolio | 4.3m $292.3m | Added +3.4k |
| WELLS FARGO & COMPANY/MN 0.07% of their portfolio | 4.3m $287.8m | Added +260.2k |
| Sumitomo Mitsui Trust Group, Inc. 0.21% of their portfolio | 4.3m $286.8m | Reduced -514.2k |
| JENSEN INVESTMENT MANAGEMENT INC 2.19% of their portfolio | 4.0m $267.3m | Reduced -2.0m |
| UBS Group AG 0.08% of their portfolio | 3.7m $251.2m | Added +344.8k |
| NATIONAL BANK OF CANADA /FI/ 0.37% of their portfolio | 3.6m $240.9m | Added +1.6m |
| Swiss National Bank 0.16% of their portfolio | 3.6m $240.0m | Reduced -21.4k |
| DIMENSIONAL FUND ADVISORS LP 0.06% of their portfolio | 3.4m $231.2m | Added +9.9k |
| VOYA INVESTMENT MANAGEMENT LLC 0.23% of their portfolio | 3.4m $230.6m | Added +2.9m |
| Polar Capital Holdings Plc 1.35% of their portfolio | 3.4m $228.9m | Added +2.5m |
| JANUS HENDERSON GROUP PLC 0.12% of their portfolio | 3.3m $225.4m | Added +1.7m |
| Rathbones Group PLC 1.22% of their portfolio | 3.3m $224.2m | Reduced -79.6k |
| MILLENNIUM MANAGEMENT LLC 0.18% of their portfolio | 3.3m $223.2m | Added +2.2m |
| Capital International Investors 0.05% of their portfolio | 3.3m $219.9m | Reduced -3.0k |
| DEUTSCHE BANK AG\ 0.10% of their portfolio | 3.2m $216.7m | Added +238.7k |
| MACKENZIE FINANCIAL CORP 0.32% of their portfolio | 3.2m $215.1m | Reduced -346.5k |
| Balyasny Asset Management L.P. 0.55% of their portfolio | 3.1m $212.0m | Added +1.8m |
| Select Equity Group, L.P. 0.84% of their portfolio | 3.1m $211.5m | Reduced -2.0m |
| BLAIR WILLIAM & CO/IL 0.65% of their portfolio | 3.1m $211.0m | Added +59.7k |
| LONDON CO OF VIRGINIA 1.19% of their portfolio | 3.1m $211.0m | Added +37.7k |
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC 0.50% of their portfolio | 3.1m $206.5m | Reduced -180.4k |
| Nuveen Asset Management, LLC 0.06% of their portfolio | 3.0m $198.8m | Added +2.7k |
| Third Point LLC 2.16% of their portfolio | 2.8m $188.6m | New |
| HSBC HOLDINGS PLC 0.12% of their portfolio | 2.7m $181.8m | Reduced -128.0k |
| National Pension Service 0.21% of their portfolio | 2.7m $179.8m | Added +7.4k |
| CIBC Private Wealth Group LLC 0.34% of their portfolio | 2.7m $180.3m | Reduced -292.5k |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.15% of their portfolio | 2.6m $175.5m | Added +2.3m |
| Swedbank AB 0.23% of their portfolio | 2.6m $175.2m | Added +500.0k |
| APG Asset Management N.V. 0.29% of their portfolio | 2.6m $161.2m | Added +396.1k |
| RHUMBLINE ADVISERS 0.16% of their portfolio | 2.5m $167.2m | Reduced -137.7k |
| Allianz Asset Management GmbH 0.27% of their portfolio | 2.5m $166.0m | Reduced -1.3m |
| BANK OF MONTREAL /CAN/ 0.05% of their portfolio | 2.4m $162.3m | Reduced -467.4k |
| AMERIPRISE FINANCIAL INC 0.04% of their portfolio | 2.4m $153.9m | Reduced -206.4k |
| NATIXIS ADVISORS, LLC 0.34% of their portfolio | 2.3m $157.8m | Added +796.4k |
| Fenimore Asset Management Inc 3.43% of their portfolio | 2.3m $156.8m | Reduced -4.5k |
| Vontobel Holding Ltd. 0.50% of their portfolio | 2.3m $154.7m | Added +2.2m |
| NEW YORK STATE COMMON RETIREMENT FUND 0.20% of their portfolio | 2.3m $153.9m | Added +697.4k |
| JACOBS LEVY EQUITY MANAGEMENT, INC 0.63% of their portfolio | 2.3m $153.0m | New |
| ALKEON CAPITAL MANAGEMENT LLC 0.72% of their portfolio | 2.1m $140.1m | New |
| Altimeter Capital Management, LP 2.03% of their portfolio | 2.0m $136.4m | New |
| James Hambro & Partners LLP 6.33% of their portfolio | 2.0m $136.3m | Reduced -81.7k |
| KEYBANK NATIONAL ASSOCIATION/OH 0.55% of their portfolio | 2.0m $135.3m | Added +70.4k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.16% of their portfolio | 2.0m $133.2m | Added +51.0k |
| Madison Asset Management, LLC 1.63% of their portfolio | 2.0m $131.4m | Added +168.7k |
| PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO 0.54% of their portfolio | 1.9m $129.4m | Reduced -2.8k |
| BNP PARIBAS FINANCIAL MARKETS 0.14% of their portfolio | 1.9m $126.9m | Added +864.4k |
| WELLINGTON MANAGEMENT GROUP LLP 0.02% of their portfolio | 1.9m $126.5m | Reduced -92.3k |
| Epoch Investment Partners, Inc. 0.58% of their portfolio | 1.9m $126.3m | Added +3.2k |
| BAMCO INC /NY/ 0.36% of their portfolio | 1.9m $125.6m | Reduced -7.1k |
| SCHRODER INVESTMENT MANAGEMENT GROUP 0.14% of their portfolio | 1.9m $125.5m | Added +1.1m |
| SNYDER CAPITAL MANAGEMENT L P 2.67% of their portfolio | 1.8m $119.0m | Reduced -75.2k |
| CITADEL ADVISORS LLC 0.11% of their portfolio | 1.7m $113.6m | Added +1.4m |
| DekaBank Deutsche Girozentrale 0.20% of their portfolio | 1.6m $110.4m | Reduced -500.3k |
| Mitsubishi UFJ Asset Management Co., Ltd. 0.13% of their portfolio | 1.6m $110.4m | Reduced -3.8m |
| VICTORY CAPITAL MANAGEMENT INC 0.11% of their portfolio | 1.6m $109.8m | Reduced -3.8m |
| CITIGROUP INC 0.10% of their portfolio | 1.6m $107.5m | Added +598.9k |
| TimesSquare Capital Management, LLC 1.66% of their portfolio | 1.6m $105.4m | Reduced -40.0k |
| DAVIS R M INC 2.07% of their portfolio | 1.5m $102.1m | Reduced -45.9k |
| GLENMEDE TRUST CO NA 0.51% of their portfolio | 1.5m $101.4m | Reduced -673.1k |
| PRINCIPAL FINANCIAL GROUP INC 0.06% of their portfolio | 1.5m $100.4m | Reduced -78.6k |
| STATE OF WISCONSIN INVESTMENT BOARD 0.27% of their portfolio | 1.5m $100.0m | Reduced -150.3k |
| TORONTO DOMINION BANK 0.16% of their portfolio | 1.5m $98.1m | Added +665.8k |
| ACADIAN ASSET MANAGEMENT LLC 0.30% of their portfolio | 1.5m $97.8m | Added +849.9k |
| Junto Capital Management LP 2.09% of their portfolio | 1.4m $94.9m | New |