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; 2,340 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 | 2,340 | $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 |
|---|---|---|---|---|---|
| Atalan Capital Partners, LP | 1,379,500 | $186.4M | 13.26% | −108,500−7.3% | Reduced |
| Davis R M Inc | 1,375,500 | $185.9M | 3.20% | −31,226−2.2% | Reduced |
| New York State Common Retirement Fund | 1,365,946 | $184.6M | 0.25% | −230,524−14.4% | Reduced |
| Cerity Partners LLC | 1,352,810 | $182.8M | 0.27% | −130,343−8.8% | Reduced |
| Madison Asset Management, LLC | 1,340,841 | $181.2M | 2.09% | −1,101,861−45.1% | Reduced |
| Chilton Investment Co LLC | 1,334,749 | $180.4M | 3.77% | −122,891−8.4% | Reduced |
| Millennium Management LLC | 1,322,401 | $178.7M | 0.13% | −742,402−36.0% | Reduced |
| Public Employees Retirement Association of Colorado | 1,309,115 | $176.9M | 0.65% | −177,489−11.9% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 1,305,829 | $176.5M | 0.38% | −84,440−6.1% | Reduced |
| The PNC Financial Services Group, Inc. | 1,232,425 | $166.5M | 0.09% | −7,881−0.6% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 1,231,638 | $166.5M | 0.19% | +830,187+206.8% | Added |
| Danske Bank A/S | 1,226,625 | $165.8M | 0.39% | −10,468−0.8% | Reduced |
| Point72 Asset Management, L.P. | 1,220,208 | $164.9M | 0.26% | +1,020,208+510.1% | Added |
| APG Asset Management N.V. | 1,426,556 | $164.1M | 0.47% | −82,301−5.5% | Reduced |
| Manufacturers Life Insurance Company, The | 1,204,352 | $162.8M | 0.13% | +170,418+16.5% | Added |
| Carmignac Gestion | 1,194,200 | $161.4M | 2.18% | −213,049−15.1% | Reduced |
| First Trust Advisors LP | 1,188,758 | $160.6M | 0.12% | −24,606−2.0% | Reduced |
| Woodline Partners LP | 1,183,219 | $159.9M | 0.62% | +1,066,814+916.5% | Added |
| Baird Financial Group, Inc. | 1,164,126 | $157.3M | 0.25% | +24,626+2.2% | Added |
| Nomura Asset Management International Inc. | 1,158,901 | $156.6M | 0.24% | +1,158,901 | New |
| Nissay Asset Management Corp | 1,139,882 | $154.0M | 0.80% | −202,014−15.1% | Reduced |
| Caisse de Depot Et Placement du Quebec | 1,118,428 | $151.1M | 0.26% | +243,078+27.8% | Added |
| Adage Capital Partners GP, L.L.C. | 1,092,620 | $147.7M | 0.22% | +4,900+0.5% | Added |
| Bank Julius Baer & Co. Ltd, Zurich | 1,084,350 | $146.9M | 0.41% | −1,011,988−48.3% | Reduced |
| Close Asset Management Ltd | 1,079,297 | $145.9M | 3.23% | −16,221−1.5% | Reduced |
| DekaBank Deutsche Girozentrale | 1,086,445 | $145.4M | 0.27% | 00.0% | Unchanged |
| State Board of Administration of Florida Retirement System | 1,063,500 | $143.7M | 0.25% | −44,172−4.0% | Reduced |
| SG Americas Securities, LLC | 1,054,830 | $142.6M | 0.19% | +1,038,296+6,279.8% | Added |
| Johnson Investment Counsel Inc | 1,051,869 | $142.1M | 1.16% | −48,195−4.4% | Reduced |
| Standard Life Aberdeen plc | 1,026,818 | $138.8M | 0.21% | +9,538+0.9% | Added |
| Bradley Foster & Sargent Inc | 1,007,711 | $136.2M | 2.00% | −10,641−1.0% | Reduced |
| KBC Group NV | 1,006,116 | $136.0M | 0.31% | −87,979−8.0% | Reduced |
| Aviva PLC | 996,038 | $134.6M | 0.23% | +56,732+6.0% | Added |
| Impax Asset Management Group plc | 982,800 | $132.8M | 0.83% | −133,315−11.9% | Reduced |
| Congress Asset Management Co | 962,561 | $130.1M | 0.92% | −5,612−0.6% | Reduced |
| Harding Loevner LP | 954,359 | $129.0M | 1.13% | −297,555−23.8% | Reduced |
| Cookson Peirce & Co Inc | 951,998 | $128.7M | 5.33% | −24,283−2.5% | Reduced |
| Tandem Investment Advisors, Inc. | 947,488 | $128.0M | 4.77% | −302,620−24.2% | Reduced |
| New York State Teachers Retirement System | 944,906 | $127.7M | 0.25% | +14,648+1.6% | Added |
| Railway Pension Investments Ltd | 935,700 | $126.5M | 1.49% | +805,600+619.2% | Added |
| Fiera Capital Corp | 932,758 | $126.1M | 0.40% | −84,322−8.3% | Reduced |
| Port Capital LLC | 928,678 | $125.5M | 5.41% | −150,071−13.9% | Reduced |
| Korea Investment CORP | 891,020 | $120.4M | 0.24% | +23,299+2.7% | Added |
| Sands Capital Management, LLC | 879,004 | $118.8M | 0.36% | +83,770+10.5% | Added |
| Keybank National Association | 876,440 | $118.4M | 0.42% | −29,137−3.2% | Reduced |
| Mercer Global Advisors Inc | 866,313 | $117.1M | 0.18% | +31,191+3.7% | Added |
| National Bank of Canada | 861,793 | $116.5M | 0.12% | −160,780−15.7% | Reduced |
| Snyder Capital Management L P | 857,488 | $115.9M | 2.16% | −465,611−35.2% | Reduced |
| Prudential Financial Inc | 852,807 | $115.2M | 0.14% | −491,370−36.6% | Reduced |
| Polar Capital Holdings Plc | 852,169 | $115.2M | 0.53% | −566,555−39.9% | Reduced |
| Holocene Advisors, LP | 847,508 | $114.5M | 0.24% | −2,052,501−70.8% | Reduced |
| Clearbridge Investments, LLC | 845,100 | $114.2M | 0.09% | +704,426+500.8% | Added |
| Ensign Peak Advisors, Inc | 839,238 | $113.4M | 0.20% | +29,974+3.7% | Added |
| State Farm Mutual Automobile Insurance Co | 837,852 | $113.2M | 0.09% | 00.0% | Unchanged |
| Toronto Dominion Bank | 835,303 | $112.9M | 0.20% | +180,726+27.6% | Added |
| Williams Jones Wealth Management, LLC. | 834,317 | $112.7M | 1.27% | −9,223−1.1% | Reduced |
| Captrust Financial Advisors | 829,732 | $112.1M | 0.21% | +2,132+0.3% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 823,838 | $111.3M | 0.26% | +87,907+11.9% | Added |
| Great West Life Assurance Co | 821,955 | $111.1M | 0.19% | −292,766−26.3% | Reduced |
| Resona Asset Management Co.,Ltd. | 818,564 | $111.0M | 0.53% | −28,624−3.4% | Reduced |
| Macquarie Group Ltd | 815,545 | $110.2M | 0.48% | −590,059−42.0% | Reduced |
| United Super Pty Ltd in its capacity as Trustee for the Construction & Building Unions Superannuation Fund | 804,101 | $108.7M | 1.51% | −31,895−3.8% | Reduced |
| Bridgewater Associates, LP | 798,364 | $107.9M | 0.39% | +63,101+8.6% | Added |
| Nordea Investment Management AB | 776,512 | $105.5M | 0.09% | +33,563+4.5% | Added |
| Voloridge Investment Management, LLC | 774,269 | $104.6M | 0.37% | −864,254−52.7% | Reduced |
| Lazard Freres Gestion S.A.S. | 754,763 | $102.0M | 1.84% | −80,716−9.7% | Reduced |
| Birch Hill Investment Advisors LLC | 732,076 | $98.9M | 4.13% | −25,493−3.4% | Reduced |
| Bank of Nova Scotia | 728,914 | $98.5M | 0.15% | +374,262+105.5% | Added |
| Analog Century Management LP | 728,059 | $98.4M | 4.84% | −81,837−10.1% | Reduced |
| Benjamin Edwards Inc | 697,613 | $94.3M | 1.04% | −33,410−4.6% | Reduced |
| Royal London Asset Management Ltd | 688,791 | $93.1M | 0.20% | −5,092−0.7% | Reduced |
| CI Private Wealth, LLC | 676,785 | $91.8M | 0.12% | +47,099+7.5% | Added |
| Country Trust Bank | 676,194 | $91.4M | 1.65% | +566+0.1% | Added |
| Select Equity Group, L.P. | 665,251 | $89.9M | 0.42% | −264,867−28.5% | Reduced |
| PFA Pension, Forsikringsaktieselskab | 659,440 | $89.8M | 0.25% | +659,440 | New |
| Summit Trail Advisors, LLC | 658,137 | $89.1M | 1.54% | −70,560−9.7% | Reduced |
| Thrivent Financial for Lutherans | 648,692 | $87.7M | 0.16% | −103,099−13.7% | Reduced |
| Teacher Retirement System of Texas | 647,891 | $87.6M | 0.30% | −4,086−0.6% | Reduced |
| Mariner, LLC | 632,816 | $85.5M | 0.10% | +19,738+3.2% | Added |
| State of Wisconsin Investment Board | 632,749 | $85.5M | 0.19% | −20,764−3.2% | Reduced |
| US Bancorp | 631,325 | $85.3M | 0.10% | −14,615−2.3% | Reduced |
| Citadel Advisors LLC | 624,065 | $84.3M | 0.06% | −1,585,041−71.8% | Reduced |
| Chevy Chase Trust Holdings, Inc. | 621,888 | $84.0M | 0.23% | −1,439−0.2% | Reduced |
| Creative Planning | 619,387 | $83.7M | 0.06% | +16,382+2.7% | Added |
| B. Metzler seel. Sohn & Co. AG | 616,275 | $83.5M | 0.73% | −203,402−24.8% | Reduced |
| Sandhill Capital Partners LLC | 612,842 | $82.8M | 5.90% | −19,389−3.1% | Reduced |
| Compass Capital Management, Inc | 611,977 | $82.7M | 4.59% | −114,646−15.8% | Reduced |
| Qube Research & Technologies Ltd | 611,869 | $82.7M | 0.12% | −969,688−61.3% | Reduced |
| Bristol Gate Capital Partners Inc. | 611,263 | $82.6M | 4.77% | +611,263 | New |
| Howland Capital Management LLC | 609,097 | $82.5M | 3.14% | −41,162−6.3% | Reduced |
| Quantinno Capital Management LP | 600,976 | $81.2M | 0.16% | +127,476+26.9% | Added |
| Federated Hermes, Inc. | 590,204 | $79.8M | 0.13% | +399,606+209.7% | Added |
| Public Employees Retirement System of Ohio | 571,299 | $77.2M | 0.24% | −11,778−2.0% | Reduced |
| STRS Ohio | 569,607 | $77.0M | 0.29% | +17,261+3.1% | Added |
| J. Stern & Co. LLP | 76,769,791 | $76.8M | 6.54% | +75,964,718+9,435.8% | Added |
| Credit Agricole S A | 561,460 | $75.9M | 0.21% | +128,346+29.6% | Added |
| Asset Management One Co.,Ltd. | 549,562 | $75.2M | 0.21% | +17,891+3.4% | Added |
| Storebrand Asset Management AS | 548,735 | $74.2M | 0.20% | −538,769−49.5% | Reduced |
| Manning & Napier Advisors LLC | 540,763 | $73.7M | 0.96% | −90,610−14.4% | Reduced |
| Pictet Asset Management Holding SA | 539,642 | $72.9M | 0.07% | +18,273+3.5% | Added |