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, Q1 2026
Institutional positions in Amphenol Corp as of Mar 31, 2026. 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
- 2,136
- +113 vs. Q4 2025
- Shares held
- 1.15B
- +71.4M (+6.6%) vs. Q4 2025
- Total value
- $145.4B
- +$9.42B (+6.9%) vs. Q4 2025
- New holders
- 256
- 870 more added
- Sold out
- 143
- 815 more reduced
36 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Amphenol Corp; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Kayne Anderson Rudnick Investment Management LLC | 1,453,296 | $183.6M | 0.54% | −320,286−18.1% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 1,439,828 | $181.9M | 0.31% | +41,981+3.0% | Added |
| James Hambro & Partners | 1,420,385 | $179.5M | 7.04% | −143,713−9.2% | Reduced |
| Cerity Partners LLC | 1,410,675 | $178.2M | 0.25% | +57,865+4.3% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 1,382,847 | $174.7M | 0.20% | +151,209+12.3% | Added |
| New York State Common Retirement Fund | 1,379,746 | $174.3M | 0.24% | +13,800+1.0% | Added |
| AustralianSuper Pty Ltd | 1,372,030 | $173.4M | 0.90% | −431,262−23.9% | Reduced |
| Chilton Investment Co LLC | 1,361,331 | $172.0M | 4.04% | +26,582+2.0% | Added |
| Davis R M Inc | 1,356,402 | $171.7M | 3.05% | −19,098−1.4% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 1,354,475 | $171.1M | 0.37% | +48,646+3.7% | Added |
| Caisse de Depot Et Placement du Quebec | 1,349,405 | $170.5M | 0.27% | +230,977+20.7% | Added |
| Wealth Enhancement Advisory Services, LLC | 1,560,039 | $169.0M | 0.37% | +1,300,324+500.7% | Added |
| Winslow Capital Management, LLC | 1,328,007 | $167.8M | 0.65% | −2,374,163−64.1% | Reduced |
| Glenmede Trust Co NA | 1,311,351 | $165.7M | 0.81% | −99,299−7.0% | Reduced |
| KBC Group NV | 1,287,679 | $162.7M | 0.41% | +281,563+28.0% | Added |
| Alphinity Investment Management Pty Ltd | 1,279,344 | $161.6M | 2.85% | −1,290,943−50.2% | Reduced |
| Madison Asset Management, LLC | 1,251,006 | $158.1M | 1.96% | −89,835−6.7% | Reduced |
| The PNC Financial Services Group, Inc. | 1,236,904 | $156.3M | 0.09% | +4,479+0.4% | Added |
| Standard Life Aberdeen plc | 1,221,102 | $154.3M | 0.25% | +194,284+18.9% | Added |
| Select Equity Group, L.P. | 1,199,943 | $151.6M | 0.81% | +534,692+80.4% | Added |
| Danske Bank A/S | 1,196,166 | $151.1M | 0.36% | −30,459−2.5% | Reduced |
| Baird Financial Group, Inc. | 1,187,029 | $150.0M | 0.23% | +22,903+2.0% | Added |
| SEI Investments Co | 1,167,564 | $147.5M | 0.14% | −1,132,937−49.2% | Reduced |
| Public Employees Retirement Association of Colorado | 1,136,743 | $143.6M | 0.56% | −172,372−13.2% | Reduced |
| National Bank of Canada | 1,134,670 | $143.4M | 0.15% | +272,877+31.7% | Added |
| Nomura Asset Management International Inc. | 1,120,367 | $141.6M | 0.24% | −38,534−3.3% | Reduced |
| Jane Street Group, LLC | 1,102,037 | $139.2M | 0.15% | +960,297+677.5% | Added |
| BNP Paribas Arbitrage, SA | 1,082,753 | $136.8M | 0.09% | −308,164−22.2% | Reduced |
| Close Asset Management Ltd | 1,082,026 | $136.7M | 3.71% | +2,729+0.3% | Added |
| William Blair Investment Management, LLC | 1,077,434 | $136.1M | 0.45% | +1,077,434 | New |
| State Board of Administration of Florida Retirement System | 1,063,830 | $134.4M | 0.25% | +3300.0% | Added |
| Nordea Investment Management AB | 1,095,863 | $133.5M | 0.12% | +319,351+41.1% | Added |
| DekaBank Deutsche Girozentrale | 1,086,445 | $131.6M | 0.22% | 00.0% | Unchanged |
| Citadel Advisors LLC | 1,036,810 | $131.0M | 0.09% | +412,745+66.1% | Added |
| Aviva PLC | 1,027,242 | $129.8M | 0.22% | +31,204+3.1% | Added |
| Johnson Investment Counsel Inc | 1,008,580 | $127.4M | 1.03% | −43,289−4.1% | Reduced |
| APG Asset Management N.V. | 1,120,056 | $122.8M | 0.39% | −306,500−21.5% | Reduced |
| Congress Asset Management Co | 967,292 | $122.2M | 0.88% | +4,731+0.5% | Added |
| Atalan Capital Partners, LP | 962,450 | $121.6M | 11.21% | −417,050−30.2% | Reduced |
| New York State Teachers Retirement System | 956,037 | $120.8M | 0.25% | +11,131+1.2% | Added |
| Montrusco Bolton Investments Inc. | 935,551 | $118.2M | 1.79% | +935,551 | New |
| Cookson Peirce & Co Inc | 926,128 | $117.0M | 4.95% | −25,870−2.7% | Reduced |
| Korea Investment CORP | 925,828 | $117.0M | 0.24% | +34,808+3.9% | Added |
| Harding Loevner LP | 892,714 | $112.8M | 1.16% | −61,645−6.5% | Reduced |
| Bradley Foster & Sargent Inc | 886,118 | $112.0M | 1.74% | −121,593−12.1% | Reduced |
| Bridgewater Associates, LP | 863,048 | $109.0M | 0.49% | +64,684+8.1% | Added |
| Stonehage Fleming Financial Services Holdings Ltd | 858,929 | $108.5M | 3.95% | −530,366−38.2% | Reduced |
| Prudential Financial Inc | 850,380 | $107.4M | 0.13% | −2,427−0.3% | Reduced |
| Railway Pension Investments Ltd | 847,200 | $107.0M | 1.52% | −88,500−9.5% | Reduced |
| Keybank National Association | 841,428 | $106.3M | 0.39% | −35,012−4.0% | Reduced |
| State Farm Mutual Automobile Insurance Co | 837,852 | $105.9M | 0.08% | 00.0% | Unchanged |
| Agf Management Ltd | 836,042 | $105.6M | 0.47% | −835,653−50.0% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 820,486 | $103.7M | 0.26% | −3,352−0.4% | Reduced |
| Williams Jones Wealth Management, LLC. | 818,200 | $103.4M | 1.27% | −16,117−1.9% | Reduced |
| Port Capital LLC | 812,604 | $102.7M | 4.57% | −116,074−12.5% | Reduced |
| Great West Life Assurance Co | 810,287 | $102.7M | 0.18% | −11,668−1.4% | Reduced |
| Nissay Asset Management Corp | 810,812 | $102.4M | 0.54% | −329,070−28.9% | Reduced |
| Resona Asset Management Co.,Ltd. | 820,420 | $102.2M | 0.51% | +1,856+0.2% | Added |
| Sands Capital Management, LLC | 805,602 | $101.8M | 0.40% | −73,402−8.4% | Reduced |
| Ensign Peak Advisors, Inc | 803,736 | $101.6M | 0.19% | −35,502−4.2% | Reduced |
| PFA Pension, Forsikringsaktieselskab | 791,003 | $99.9M | 0.30% | +131,563+20.0% | Added |
| Captrust Financial Advisors | 789,366 | $99.7M | 0.17% | −40,366−4.9% | Reduced |
| Analog Century Management LP | 780,955 | $98.7M | 4.71% | +52,896+7.3% | Added |
| Mercer Global Advisors Inc | 769,693 | $97.3M | 0.14% | −96,620−11.2% | Reduced |
| Manufacturers Life Insurance Company, The | 766,770 | $96.8M | 0.08% | −437,582−36.3% | Reduced |
| Jupiter Asset Management Ltd | 786,882 | $96.7M | 0.52% | +786,882 | New |
| TD Waterhouse Canada Inc. | 757,382 | $96.6M | 0.29% | +621,424+457.1% | Added |
| NZS Capital, LLC | 758,975 | $95.9M | 3.20% | +273,049+56.2% | Added |
| Quantinno Capital Management LP | 718,905 | $90.8M | 0.15% | +117,929+19.6% | Added |
| Summit Trail Advisors, LLC | 718,247 | $90.8M | 1.30% | +60,110+9.1% | Added |
| Benjamin Edwards Inc | 701,084 | $88.6M | 0.88% | +3,471+0.5% | Added |
| Birch Hill Investment Advisors LLC | 698,111 | $88.2M | 3.96% | −33,965−4.6% | Reduced |
| Royal London Asset Management Ltd | 688,791 | $87.0M | 0.18% | 00.0% | Unchanged |
| Lazard Freres Gestion S.A.S. | 688,090 | $86.9M | 1.71% | −66,673−8.8% | Reduced |
| Tandem Investment Advisors, Inc. | 678,771 | $85.8M | 4.20% | −268,717−28.4% | Reduced |
| Mariner, LLC | 674,806 | $85.3M | 0.10% | +41,990+6.6% | Added |
| Carmignac Gestion | 669,236 | $84.6M | 1.30% | −524,964−44.0% | Reduced |
| Snyder Capital Management L P | 667,344 | $84.3M | 1.64% | −190,144−22.2% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 664,039 | $83.9M | 0.46% | +226,550+51.8% | Added |
| State of Wisconsin Investment Board | 659,074 | $83.3M | 0.19% | +26,325+4.2% | Added |
| T. Rowe Price Investment Management, Inc. | 655,289 | $82.8M | 0.06% | −9,506,851−93.6% | Reduced |
| Rockefeller Capital Management L.P. | 646,855 | $81.7M | 0.14% | +108,083+20.1% | Added |
| Creative Planning | 641,072 | $81.0M | 0.05% | +21,685+3.5% | Added |
| Country Trust Bank | 630,071 | $79.6M | 1.51% | −46,123−6.8% | Reduced |
| Pictet Asset Management Holding SA | 629,096 | $79.5M | 0.08% | +89,454+16.6% | Added |
| Polar Capital Holdings Plc | 625,970 | $79.1M | 0.35% | −226,199−26.5% | Reduced |
| Macquarie Group Ltd | 616,949 | $78.0M | 0.46% | −198,596−24.4% | Reduced |
| Tudor Investment Corp Et Al | 613,970 | $77.6M | 0.42% | +613,970 | New |
| Healthcare of Ontario Pension Plan Trust Fund | 613,821 | $77.6M | 0.13% | +565,432+1,168.5% | Added |
| Chevy Chase Trust Holdings, Inc. | 611,388 | $77.2M | 0.22% | −10,500−1.7% | Reduced |
| US Bancorp | 609,299 | $77.0M | 0.09% | −22,026−3.5% | Reduced |
| B. Metzler seel. Sohn & Co. AG | 603,388 | $76.2M | 0.71% | −12,887−2.1% | Reduced |
| Fiera Capital Corp | 592,245 | $74.8M | 0.26% | −340,513−36.5% | Reduced |
| Thrivent Financial for Lutherans | 591,512 | $74.7M | 0.14% | −57,180−8.8% | Reduced |
| Asset Management One Co.,Ltd. | 580,115 | $73.3M | 0.22% | +30,553+5.6% | Added |
| Renaissance Technologies LLC | 574,100 | $72.5M | 0.11% | +574,100 | New |
| Vanguard Investments Australia, Ltd. | 571,362 | $72.2M | 0.21% | +571,362 | New |
| STRS Ohio | 568,490 | $71.8M | 0.28% | −1,117−0.2% | Reduced |
| Woodline Partners LP | 565,953 | $71.5M | 0.27% | −617,266−52.2% | Reduced |
| Zurich Insurance Group Ltd | 563,112 | $71.1M | 0.56% | +275,805+96.0% | Added |