Amphenol Corp
APH- Exchange
- NYSE
- Industry
- Electronic Connectors
- SEC CIK
- 0000820313
In the last 90 days, Amphenol Corp insiders filed 0 open-market purchases and 4 sales; 2,339 institutions reported holding it in 13F filings for Q2 2026, worth $205.1B in total; superinvestors Weitz Investment Management and Maverick Capital hold it.
13F holders, Q4 2025
Institutional positions in Amphenol Corp as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 2,059
- +262 vs. Q3 2025
- Shares held
- 1.24B
- +99.5M (+8.8%) vs. Q3 2025
- Total value
- $156.8B
- +$16.1B (+11.5%) vs. Q3 2025
- New holders
- 345
- 780 more added
- Sold out
- 83
- 748 more reduced
32 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting APH on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 2,339 | $205.1B |
| Q1 2026 | 2,136 | $145.4B |
| Q4 2025 | 2,059 | $156.8B |
| Q3 2025 | 1,829 | $141.0B |
| Q2 2025 | 1,648 | $114.7B |
| Q1 2025 | 1,427 | $75.5B |
| Q4 2024 | 1,407 | $79.6B |
| Q3 2024 | 1,295 | $73.8B |
| Q2 2024 | 1,298 | $77.0B |
| Q1 2024 | 1,157 | $66.7B |
| Q4 2023 | 1,085 | $57.8B |
| Q3 2023 | 1,010 | $47.7B |
| Q2 2023 | 983 | $48.4B |
| Q1 2023 | 980 | $46.6B |
| Q4 2022 | 951 | $43.3B |
| Q3 2022 | 911 | $38.1B |
| Q2 2022 | 898 | $36.2B |
| Q1 2022 | 896 | $42.7B |
| Q4 2021 | 892 | $50.2B |
| Q3 2021 | 839 | $42.0B |
| Q2 2021 | 821 | $38.9B |
| Q1 2021 | 810 | $37.3B |
Institutions, Q4 2025
Shares, value and share of portfolio for each institution holding Amphenol Corp; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Great West Life Assurance Co | 821,955 | $111.1M | 0.19% | −292,766−26.3% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 823,838 | $111.3M | 0.26% | +87,907+11.9% | Added |
| Captrust Financial Advisors | 829,732 | $112.1M | 0.21% | +2,132+0.3% | Added |
| Williams Jones Wealth Management, LLC. | 834,317 | $112.7M | 1.27% | −9,223−1.1% | Reduced |
| Toronto Dominion Bank | 835,303 | $112.9M | 0.20% | +180,726+27.6% | Added |
| State Farm Mutual Automobile Insurance Co | 837,852 | $113.2M | 0.09% | 00.0% | Unchanged |
| Ensign Peak Advisors, Inc | 839,238 | $113.4M | 0.20% | +29,974+3.7% | Added |
| Clearbridge Investments, LLC | 845,100 | $114.2M | 0.09% | +704,426+500.8% | Added |
| Holocene Advisors, LP | 847,508 | $114.5M | 0.24% | −2,052,501−70.8% | Reduced |
| Polar Capital Holdings Plc | 852,169 | $115.2M | 0.53% | −566,555−39.9% | Reduced |
| Prudential Financial Inc | 852,807 | $115.2M | 0.14% | −491,370−36.6% | Reduced |
| Snyder Capital Management L P | 857,488 | $115.9M | 2.16% | −465,611−35.2% | Reduced |
| National Bank of Canada | 861,793 | $116.5M | 0.12% | −160,780−15.7% | Reduced |
| Mercer Global Advisors Inc | 866,313 | $117.1M | 0.18% | +31,191+3.7% | Added |
| Keybank National Association | 876,440 | $118.4M | 0.42% | −29,137−3.2% | Reduced |
| Sands Capital Management, LLC | 879,004 | $118.8M | 0.36% | +83,770+10.5% | Added |
| Korea Investment CORP | 891,020 | $120.4M | 0.24% | +23,299+2.7% | Added |
| Port Capital LLC | 928,678 | $125.5M | 5.41% | −150,071−13.9% | Reduced |
| Fiera Capital Corp | 932,758 | $126.1M | 0.40% | −84,322−8.3% | Reduced |
| Railway Pension Investments Ltd | 935,700 | $126.5M | 1.49% | +805,600+619.2% | Added |
| New York State Teachers Retirement System | 944,906 | $127.7M | 0.25% | +14,648+1.6% | Added |
| Tandem Investment Advisors, Inc. | 947,488 | $128.0M | 4.77% | −302,620−24.2% | Reduced |
| Cookson Peirce & Co Inc | 951,998 | $128.7M | 5.33% | −24,283−2.5% | Reduced |
| Harding Loevner LP | 954,359 | $129.0M | 1.13% | −297,555−23.8% | Reduced |
| Congress Asset Management Co | 962,561 | $130.1M | 0.92% | −5,612−0.6% | Reduced |
| Impax Asset Management Group plc | 982,800 | $132.8M | 0.83% | −133,315−11.9% | Reduced |
| Aviva PLC | 996,038 | $134.6M | 0.23% | +56,732+6.0% | Added |
| KBC Group NV | 1,006,116 | $136.0M | 0.31% | −87,979−8.0% | Reduced |
| Bradley Foster & Sargent Inc | 1,007,711 | $136.2M | 2.00% | −10,641−1.0% | Reduced |
| Standard Life Aberdeen plc | 1,026,818 | $138.8M | 0.21% | +9,538+0.9% | Added |
| Johnson Investment Counsel Inc | 1,051,869 | $142.1M | 1.16% | −48,195−4.4% | Reduced |
| SG Americas Securities, LLC | 1,054,830 | $142.6M | 0.19% | +1,038,296+6,279.8% | Added |
| State Board of Administration of Florida Retirement System | 1,063,500 | $143.7M | 0.25% | −44,172−4.0% | Reduced |
| DekaBank Deutsche Girozentrale | 1,086,445 | $145.4M | 0.27% | 00.0% | Unchanged |
| Close Asset Management Ltd | 1,079,297 | $145.9M | 3.23% | −16,221−1.5% | Reduced |
| Bank Julius Baer & Co. Ltd, Zurich | 1,084,350 | $146.9M | 0.41% | −1,011,988−48.3% | Reduced |
| Adage Capital Partners GP, L.L.C. | 1,092,620 | $147.7M | 0.22% | +4,900+0.5% | Added |
| Caisse de Depot Et Placement du Quebec | 1,118,428 | $151.1M | 0.26% | +243,078+27.8% | Added |
| Nissay Asset Management Corp | 1,139,882 | $154.0M | 0.80% | −202,014−15.1% | Reduced |
| Nomura Asset Management International Inc. | 1,158,901 | $156.6M | 0.24% | +1,158,901 | New |
| Baird Financial Group, Inc. | 1,164,126 | $157.3M | 0.25% | +24,626+2.2% | Added |
| Woodline Partners LP | 1,183,219 | $159.9M | 0.62% | +1,066,814+916.5% | Added |
| First Trust Advisors LP | 1,188,758 | $160.6M | 0.12% | −24,606−2.0% | Reduced |
| Carmignac Gestion | 1,194,200 | $161.4M | 2.18% | −213,049−15.1% | Reduced |
| Manufacturers Life Insurance Company, The | 1,204,352 | $162.8M | 0.13% | +170,418+16.5% | Added |
| APG Asset Management N.V. | 1,426,556 | $164.1M | 0.47% | −82,301−5.5% | Reduced |
| Point72 Asset Management, L.P. | 1,220,208 | $164.9M | 0.26% | +1,020,208+510.1% | Added |
| Danske Bank A/S | 1,226,625 | $165.8M | 0.39% | −10,468−0.8% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 1,231,638 | $166.5M | 0.19% | +830,187+206.8% | Added |
| The PNC Financial Services Group, Inc. | 1,232,425 | $166.5M | 0.09% | −7,881−0.6% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 1,305,829 | $176.5M | 0.38% | −84,440−6.1% | Reduced |
| Public Employees Retirement Association of Colorado | 1,309,115 | $176.9M | 0.65% | −177,489−11.9% | Reduced |
| Millennium Management LLC | 1,322,401 | $178.7M | 0.13% | −742,402−36.0% | Reduced |
| Chilton Investment Co LLC | 1,334,749 | $180.4M | 3.77% | −122,891−8.4% | Reduced |
| Madison Asset Management, LLC | 1,340,841 | $181.2M | 2.09% | −1,101,861−45.1% | Reduced |
| Cerity Partners LLC | 1,352,810 | $182.8M | 0.27% | −130,343−8.8% | Reduced |
| New York State Common Retirement Fund | 1,365,946 | $184.6M | 0.25% | −230,524−14.4% | Reduced |
| Davis R M Inc | 1,375,500 | $185.9M | 3.20% | −31,226−2.2% | Reduced |
| Atalan Capital Partners, LP | 1,379,500 | $186.4M | 13.26% | −108,500−7.3% | Reduced |
| Stonehage Fleming Financial Services Holdings Ltd | 1,389,295 | $187.7M | 5.77% | −358,349−20.5% | Reduced |
| BNP Paribas Arbitrage, SA | 1,390,917 | $188.0M | 0.12% | +228,261+19.6% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 1,397,847 | $189.3M | 0.31% | +117,531+9.2% | Added |
| Glenmede Trust Co NA | 1,410,650 | $190.6M | 0.90% | +1,410,650 | New |
| Russell Investments Group, Ltd. | 1,427,822 | $193.1M | 0.21% | +274,520+23.8% | Added |
| USS Investment Management Ltd | 1,490,401 | $201.4M | 1.00% | +62,536+4.4% | Added |
| Maren Capital LLC | 1,498,116 | $202.5M | 10.89% | −51,291−3.3% | Reduced |
| LPL Financial LLC | 1,534,970 | $207.4M | 0.06% | +481,821+45.8% | Added |
| James Hambro & Partners | 1,564,098 | $211.4M | 7.55% | −257,773−14.1% | Reduced |
| Canada Pension Plan Investment Board | 1,564,378 | $211.4M | 0.14% | +570,775+57.4% | Added |
| Citigroup Inc | 1,597,505 | $215.9M | 0.15% | +201,871+14.5% | Added |
| Lord, Abbett & Co. LLC | 1,622,989 | $219.3M | 0.67% | −50,542−3.0% | Reduced |
| Fenimore Asset Management Inc | 1,665,809 | $225.1M | 4.69% | −384,450−18.8% | Reduced |
| Veritas Investment Partners (UK) Ltd. | 1,666,303 | $225.2M | 4.75% | −89,063−5.1% | Reduced |
| Agf Management Ltd | 1,671,695 | $225.9M | 0.98% | −1,072,045−39.1% | Reduced |
| Worldquant Millennium Advisors LLC | 1,677,460 | $226.7M | 0.88% | +1,677,460 | New |
| Bamco Inc | 1,710,742 | $231.2M | 0.63% | −178,788−9.5% | Reduced |
| Schroder Investment Management Group | 1,707,010 | $232.5M | 0.18% | +370,410+27.7% | Added |
| Ameriprise Financial Inc | 1,787,743 | $236.8M | 0.05% | −220,475−11.0% | Reduced |
| Allspring Global Investments Holdings, LLC | 1,710,772 | $239.0M | 0.39% | +707,524+70.5% | Added |
| Kayne Anderson Rudnick Investment Management LLC | 1,773,582 | $239.7M | 0.64% | −344,936−16.3% | Reduced |
| AustralianSuper Pty Ltd | 1,803,292 | $243.7M | 1.13% | +205,974+12.9% | Added |
| Alyeska Investment Group, L.P. | 1,852,061 | $250.3M | 0.71% | +1,852,061 | New |
| Man Group plc | 1,879,486 | $254.0M | 0.48% | +655,590+53.6% | Added |
| California State Teachers Retirement System | 1,917,365 | $259.1M | 0.26% | −11,469−0.6% | Reduced |
| Mackenzie Financial Corp | 1,960,557 | $266.5M | 0.32% | −2,863−0.1% | Reduced |
| Bank of Montreal | 2,041,352 | $275.9M | 0.11% | +94,869+4.9% | Added |
| Local Pensions Partnership Investment Ltd | 2,244,600 | $303.4M | 5.34% | −580,100−20.5% | Reduced |
| Los Angeles Capital Management LLC | 2,222,315 | $309.1M | 1.05% | −371,462−14.3% | Reduced |
| SEI Investments Co | 2,300,501 | $310.9M | 0.31% | −157,280−6.4% | Reduced |
| HSBC Holdings PLC | 2,303,048 | $311.5M | 0.18% | −149,319−6.1% | Reduced |
| Rhumbline Advisers | 2,340,644 | $316.3M | 0.26% | −36,524−1.5% | Reduced |
| Vontobel Holding Ltd. | 2,505,597 | $338.6M | 1.12% | −1,254,490−33.4% | Reduced |
| Alphinity Investment Management Pty Ltd | 2,570,287 | $347.3M | 3.52% | −990,097−27.8% | Reduced |
| Blair William & Co | 2,653,891 | $358.6M | 0.96% | −97,623−3.5% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 2,632,683 | $367.8M | 0.25% | +106,058+4.2% | Added |
| Principal Financial Group Inc | 2,750,490 | $371.7M | 0.19% | +70,938+2.6% | Added |
| Allianz Asset Management GmbH | 2,782,354 | $376.0M | 0.43% | −382,195−12.1% | Reduced |
| Lone Pine Capital LLCSuperinvestorLone Pine Capital | 2,809,773 | $379.7M | 2.79% | −213,458−7.1% | Reduced |
| CIBC Private Wealth Group, LLC | 2,831,577 | $382.7M | 0.65% | −64,569−2.2% | Reduced |
| Rathbone Brothers plc | 2,839,137 | $383.7M | 1.50% | −129,024−4.3% | Reduced |