AMPHENOL CORP APH
CL A · Common Stock · CUSIP 032095101 · ISIN US0320951017
- SectorTechnology
- IndustryElectronic Connectors
- HeadquartersWallingford, CT
- Founded1932
- Websiteamphenol.com
- FilingsSEC EDGAR
* 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 ($100.8m this quarter). Holder counts are more reliable. Shares outstanding: 596.5m as of 2023-07-25, 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 ≈ $84.87. Options: 16 managers hold calls ($50.4m notional), 17 hold puts ($74.2m).
Trends to Q2 2023
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 912 |
| Q4 2022 | 949 |
| Q1 2023 | 980 |
| Q2 2023 | 983 |
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 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2022 | $19.8m | $25.9m | 1.30 |
| Q4 2022 | $41.0m | $32.1m | 0.78 |
| Q1 2023 | $39.7m | $25.0m | 0.63 |
| Q2 2023 | $50.4m | $74.2m | 1.47 |
Biggest buyers
| PRICE T ROWE ASSOCIATES INC /MD/ | Added | +4.4m |
| MILLENNIUM MANAGEMENT LLC | Added | +2.8m |
| BlackRock Inc. | Added | +2.8m |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | Added | +2.1m |
| STATE STREET CORP | Added | +1.4m |
| NORGES BANK | Added | +966.5k |
| Balyasny Asset Management L.P. | New | +942.7k |
| VANGUARD GROUP INC | Added | +694.0k |
| ROYAL BANK OF CANADA | Added | +644.4k |
| BARCLAYS PLC | Added | +571.7k |
Biggest sellers
| FMR LLC | Reduced | -56.7m |
| WCM INVESTMENT MANAGEMENT, LLC | Reduced | -7.8m |
| ENVESTNET ASSET MANAGEMENT INC | Reduced | -7.8m |
| Alecta Tjanstepension Omsesidigt | Reduced | -4.8m |
| ALLIANCEBERNSTEIN L.P. | Reduced | -2.2m |
| Bank of New York Mellon Corp | Reduced | -1.5m |
| Select Equity Group, L.P. | Reduced | -1.1m |
| WEDGE CAPITAL MANAGEMENT L L P/NC | Sold out | -931.6k |
| CITADEL ADVISORS LLC | Sold out | -771.8k |
| BANK OF AMERICA CORP /DE/ | Reduced | -570.3k |
Biggest calls
| Oribel Capital Management, LP | Added | $13.0m153.6k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $8.9m104.6k shares |
| CITADEL ADVISORS LLC | Added | $5.6m65.9k shares |
| Walleye Capital LLC | Added | $5.0m59.4k shares |
| Parallax Volatility Advisers, L.P. | Added | $4.8m56.6k shares |
| Walleye Trading LLC | Added | $4.3m50.7k shares |
| BOOTHBAY FUND MANAGEMENT, LLC | Added | $3.0m35.0k shares |
| WOLVERINE TRADING, LLC | Reduced | $1.3m16.1k shares |
| SIMPLEX TRADING, LLC | Reduced | $1.0m11.9k shares |
| CAPITAL FUND MANAGEMENT S.A. | New | $934.5k11.0k shares |
Biggest puts
| Cinctive Capital Management LP | New | $42.5m500.0k shares |
| Walleye Capital LLC | Added | $6.0m70.5k shares |
| Walleye Trading LLC | Added | $4.9m57.7k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $3.4m39.6k shares |
| SIMPLEX TRADING, LLC | Added | $3.3m38.9k shares |
| CITADEL ADVISORS LLC | Added | $3.2m38.1k shares |
| WOLVERINE TRADING, LLC | Added | $2.7m32.7k shares |
| Squarepoint Ops LLC | Added | $2.5m29.5k shares |
| Parallax Volatility Advisers, L.P. | Reduced | $1.4m17.0k shares |
| CAPITAL FUND MANAGEMENT S.A. | Reduced | $1.3m15.2k 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 2023
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 2021 | 0 | — | 0 | — | — |
| Q4 2021 | 0 | — | 3 | $81.0m | — |
| Q1 2022 | 0 | — | 0 | — | — |
| Q2 2022 | 0 | — | 0 | — | — |
| Q3 2022 | 0 | — | 2 | $12.5m | — |
| Q4 2022 | 0 | — | 4 | $25.9m | — |
| Q1 2023 | 0 | — | 3 | $65.8m | — |
| Q2 2023 | 0 | — | 1 | $13.7m | — |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2023-05-12 | Gavelle Jean-Luc President, ISS Division | Sold | $13.7m184.1k 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 2023
| Manager | Shares | Change |
|---|---|---|
| VANGUARD GROUP INC 0.15% of their portfolio | 72.1m $6.1bn | Added +694.0k |
| FMR LLC 0.39% of their portfolio | 54.8m $4.7bn | Reduced -56.7m |
| BlackRock Inc. 0.11% of their portfolio | 48.1m $4.1bn | Added +2.8m |
| STATE STREET CORP 0.12% of their portfolio | 26.2m $2.2bn | Added +1.4m |
| Bank of New York Mellon Corp 0.40% of their portfolio | 22.2m $1.9bn | Reduced -1.5m |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.23% of their portfolio | 19.1m $1.6bn | Added +4.4m |
| JPMORGAN CHASE & CO 0.14% of their portfolio | 14.6m $1.2bn | Reduced -279.8k |
| GEODE CAPITAL MANAGEMENT, LLC 0.13% of their portfolio | 12.6m $1.1bn | Added +340.0k |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 0.35% of their portfolio | 12.6m $1.1bn | Reduced -407.5k |
| ALLIANCEBERNSTEIN L.P. 0.39% of their portfolio | 11.4m $967.3m | Reduced -2.2m |
| MORGAN STANLEY 0.09% of their portfolio | 10.7m $904.7m | Added +124.5k |
| NORGES BANK 0.17% of their portfolio | 10.3m $877.2m | Added +966.5k |
| Mawer Investment Management Ltd. 3.83% of their portfolio | 8.6m $732.2m | Reduced -249.8k |
| Alecta Tjanstepension Omsesidigt 5.06% of their portfolio | 8.3m $701.8m | Reduced -4.8m |
| FLOSSBACH VON STORCH SE 2.66% of their portfolio | 7.8m $659.0m | Added +201.5k |
| LAZARD ASSET MANAGEMENT LLC 0.74% of their portfolio | 7.1m $601.8m | Added +191.0k |
| Amundi 0.28% of their portfolio | 6.5m $545.1m | Reduced -530.5k |
| NORTHERN TRUST CORP 0.10% of their portfolio | 5.8m $496.5m | Reduced -335.9k |
| VICTORY CAPITAL MANAGEMENT INC 0.52% of their portfolio | 5.5m $469.0m | Added +438.8k |
| T. Rowe Price Investment Management, Inc. 0.32% of their portfolio | 5.5m $468.2m | Reduced -13.3k |
| MACKENZIE FINANCIAL CORP 0.67% of their portfolio | 5.2m $437.2m | Reduced -34.1k |
| Capital International Investors 0.10% of their portfolio | 5.0m $425.8m | Reduced -1.5k |
| Select Equity Group, L.P. 1.38% of their portfolio | 4.3m $368.9m | Reduced -1.1m |
| ROYAL BANK OF CANADA 0.10% of their portfolio | 4.3m $365.9m | Added +644.4k |
| NEUBERGER BERMAN GROUP LLC 0.30% of their portfolio | 4.0m $340.6m | Reduced -189.3k |
| FRANKLIN RESOURCES INC 0.16% of their portfolio | 3.9m $327.9m | Added +238.5k |
| Legal & General Group Plc 0.11% of their portfolio | 3.8m $325.9m | Added +11.8k |
| STIFEL FINANCIAL CORP 0.43% of their portfolio | 3.7m $316.6m | Added +211.3k |
| California Public Employees Retirement System 0.26% of their portfolio | 3.6m $304.9m | Reduced -103.7k |
| JENSEN INVESTMENT MANAGEMENT INC 2.17% of their portfolio | 3.5m $295.3m | Added +33.4k |
| BARCLAYS PLC 0.19% of their portfolio | 3.4m $286.8m | Added +571.7k |
| Invesco Ltd. 0.07% of their portfolio | 3.4m $285.5m | Added +53.0k |
| MILLENNIUM MANAGEMENT LLC 0.29% of their portfolio | 3.2m $269.1m | Added +2.8m |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.07% of their portfolio | 3.1m $259.9m | Reduced -1.0k |
| CIBC Private Wealth Group LLC 0.28% of their portfolio | 3.0m $257.2m | Added +436.4k |
| BANK OF AMERICA CORP /DE/ 0.03% of their portfolio | 3.0m $254.8m | Reduced -570.3k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.12% of their portfolio | 2.9m $240.5m | Unchanged |
| Mitsubishi UFJ Asset Management Co., Ltd. 0.52% of their portfolio | 2.9m $248.8m | Added +88.8k |
| GOLDMAN SACHS GROUP INC 0.06% of their portfolio | 2.8m $240.6m | Added +112.8k |
| Capital Research Global Investors 0.06% of their portfolio | 2.8m $239.2m | Added +1.9k |
| FIRST TRUST ADVISORS LP 0.27% of their portfolio | 2.8m $237.3m | Reduced -15.6k |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.13% of their portfolio | 2.6m $224.6m | Added +2.1m |
| DEUTSCHE BANK AG\ 0.10% of their portfolio | 2.2m $190.2m | Added +412.2k |
| Navera Investment Management Ltd. 4.86% of their portfolio | 2.2m $188.7m | Added +366.6k |
| BESSEMER GROUP INC 0.40% of their portfolio | 2.2m $187.1m | Reduced -26.9k |
| Swiss National Bank 0.12% of their portfolio | 2.1m $182.6m | Reduced -211.8k |
| ENVESTNET ASSET MANAGEMENT INC 0.07% of their portfolio | 1.9m $159.9m | Reduced -7.8m |
| Allianz Asset Management GmbH 0.32% of their portfolio | 1.9m $159.5m | Added +167.9k |
| DIMENSIONAL FUND ADVISORS LP 0.05% of their portfolio | 1.9m $157.7m | Added +14.5k |
| WELLS FARGO & COMPANY/MN 0.05% of their portfolio | 1.8m $156.6m | Reduced -51.1k |
| Rathbones Group PLC 1.46% of their portfolio | 1.8m $156.6m | Added +30.3k |
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC 0.41% of their portfolio | 1.7m $146.1m | Reduced -22.0k |
| AMERIPRISE FINANCIAL INC 0.04% of their portfolio | 1.6m $135.4m | Added +398.1k |
| Woodline Partners LP 1.59% of their portfolio | 1.6m $134.0m | Reduced -127.3k |
| BLAIR WILLIAM & CO/IL 0.48% of their portfolio | 1.5m $131.2m | Added +10.6k |
| Sumitomo Mitsui Trust Group, Inc. 0.10% of their portfolio | 1.5m $130.1m | Reduced -243.5k |
| Swedbank AB 0.23% of their portfolio | 1.5m $130.0m | Added +480.0k |
| Nuveen Asset Management, LLC 0.04% of their portfolio | 1.5m $127.5m | Reduced -37.2k |
| NUANCE INVESTMENTS, LLC 2.72% of their portfolio | 1.5m $127.4m | Added +69.8k |
| LONDON CO OF VIRGINIA 0.71% of their portfolio | 1.5m $126.2m | Reduced -93.9k |
| GLENMEDE TRUST CO NA 0.68% of their portfolio | 1.5m $120.6m | Unchanged |
| CREDIT SUISSE AG/ 0.12% of their portfolio | 1.4m $118.6m | Reduced -124.9k |
| RHUMBLINE ADVISERS 0.12% of their portfolio | 1.3m $111.2m | Reduced -22.3k |
| National Pension Service 0.17% of their portfolio | 1.3m $104.4m | Added +208.8k |
| VONTOBEL ASSET MANAGEMENT INC 0.69% of their portfolio | 1.2m $103.7m | Added +18.1k |
| Fenimore Asset Management Inc 2.46% of their portfolio | 1.2m $98.7m | Added +124.5k |
| WELLINGTON MANAGEMENT GROUP LLP 0.02% of their portfolio | 1.2m $98.5m | Reduced -13.9k |
| Allspring Global Investments Holdings, LLC 0.15% of their portfolio | 1.1m $93.2m | Added +57.6k |
| PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO 0.41% of their portfolio | 1.0m $86.1m | Reduced -43 |
| UBS Group AG 0.04% of their portfolio | 1.0m $86.0m | Added +119.9k |
| SNYDER CAPITAL MANAGEMENT L P 1.83% of their portfolio | 1.0m $85.7m | Reduced -38.3k |
| BAMCO INC /NY/ 0.24% of their portfolio | 1.0m $85.4m | Reduced -923 |
| DNB Asset Management AS 0.48% of their portfolio | 984.7k $83.6m | Added +64.2k |
| NEW YORK STATE COMMON RETIREMENT FUND 0.11% of their portfolio | 984.5k $83.6m | Reduced -29.2k |
| TD Asset Management Inc 0.09% of their portfolio | 969.1k $82.3m | Added +5.9k |
| KEYBANK NATIONAL ASSOCIATION/OH 0.37% of their portfolio | 968.9k $82.3m | Reduced -16.3k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.12% of their portfolio | 962.1k $81.7m | Reduced -17.2k |
| James Hambro & Partners LLP 5.29% of their portfolio | 944.0k $80.2m | Added +62.8k |
| Balyasny Asset Management L.P. 0.22% of their portfolio | 942.7k $80.1m | New |
| TimesSquare Capital Management, LLC 1.14% of their portfolio | 938.5k $79.7m | Reduced -7.0k |
| HSBC HOLDINGS PLC 0.08% of their portfolio | 929.0k $78.9m | Added +176.0k |
| JOHNSON INVESTMENT COUNSEL INC 0.97% of their portfolio | 923.5k $78.5m | Reduced -14.7k |
| APG Asset Management N.V. 0.14% of their portfolio | 922.9k $71.9m | Reduced -15.8k |
| PENSIOENFONDS RAIL & OV 2.87% of their portfolio | 906.0k $77.2m | Unchanged |
| BANK OF MONTREAL /CAN/ 0.03% of their portfolio | 875.5k $74.6m | Reduced -206.5k |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC 0.33% of their portfolio | 831.7k $70.7m | Added +157.2k |
| DAVIS R M INC 1.68% of their portfolio | 824.3k $70.0m | Reduced -10.5k |
| MOUNTAIN PACIFIC INVESTMENT ADVISERS LLC 4.61% of their portfolio | 813.4k $69.1m | Reduced -4.2k |
| JANUS HENDERSON GROUP PLC 0.04% of their portfolio | 796.1k $67.6m | Added +132.1k |
| STATE OF WISCONSIN INVESTMENT BOARD 0.19% of their portfolio | 794.4k $67.5m | Reduced -41.0k |
| PRINCIPAL FINANCIAL GROUP INC 0.05% of their portfolio | 792.0k $67.3m | Reduced -12.0k |
| TORONTO DOMINION BANK 0.05% of their portfolio | 778.4k $66.1m | Added +431.9k |
| Madison Asset Management, LLC 0.93% of their portfolio | 752.6k $63.9m | Reduced -2.2k |
| Tandem Investment Advisors, Inc. 2.80% of their portfolio | 749.6k $63.7m | Added +137.6k |
| MAR VISTA INVESTMENT PARTNERS LLC 2.43% of their portfolio | 684.1k $58.1m | Reduced -34.5k |
| COMPASS CAPITAL MANAGEMENT, INC 4.17% of their portfolio | 681.5k $57.9m | Added +6.2k |
| Ardevora Asset Management LLP 1.39% of their portfolio | 676.3k $57.5m | Reduced -299.1k |
| Port Capital LLC 3.44% of their portfolio | 672.3k $57.1m | Reduced -34.0k |
| STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 0.13% of their portfolio | 672.1k $57.1m | Reduced -17.1k |
| Norinchukin Bank, The 0.95% of their portfolio | 668.8k $56.8m | Added +20.2k |