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, Q3 2025
Institutional positions in Amphenol Corp as of Sep 30, 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
- 1,829
- +201 vs. Q2 2025
- Shares held
- 1.14B
- −1.73M (−0.2%) vs. Q2 2025
- Total value
- $141.0B
- +$28.5B (+25.4%) vs. Q2 2025
- New holders
- 285
- 722 more added
- Sold out
- 84
- 622 more reduced
20 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Amphenol Corp; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Close Asset Management Ltd | 1,095,518 | $135.6M | 3.01% | +1,091,735+28,859.0% | Added |
| Johnson Investment Counsel Inc | 1,100,064 | $136.1M | 1.14% | −29,446−2.6% | Reduced |
| State Board of Administration of Florida Retirement System | 1,107,672 | $137.1M | 0.24% | −104,596−8.6% | Reduced |
| Marshall Wace, LLP | 1,107,871 | $137.1M | 0.15% | −92,129−7.7% | Reduced |
| Impax Asset Management Group plc | 1,116,115 | $138.1M | 0.81% | −343,020−23.5% | Reduced |
| Baird Financial Group, Inc. | 1,139,500 | $141.0M | 0.23% | +86,968+8.3% | Added |
| Russell Investments Group, Ltd. | 1,153,302 | $142.4M | 0.16% | +131,470+12.9% | Added |
| BNP Paribas Arbitrage, SA | 1,162,656 | $143.9M | 0.11% | +373,522+47.3% | Added |
| First Trust Advisors LP | 1,213,364 | $150.2M | 0.11% | −17,979−1.5% | Reduced |
| Man Group plc | 1,223,896 | $151.5M | 0.29% | +153,991+14.4% | Added |
| Danske Bank A/S | 1,237,093 | $153.1M | 0.38% | −248,512−16.7% | Reduced |
| The PNC Financial Services Group, Inc. | 1,240,306 | $153.5M | 0.09% | −12,376−1.0% | Reduced |
| Tandem Investment Advisors, Inc. | 1,250,108 | $154.7M | 5.28% | −45,315−3.5% | Reduced |
| Harding Loevner LP | 1,251,914 | $154.9M | 1.14% | −191,563−13.3% | Reduced |
| Balyasny Asset Management LLC | 1,274,494 | $157.7M | 0.32% | +140,041+12.3% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 1,280,316 | $158.4M | 0.26% | −32,364−2.5% | Reduced |
| APG Asset Management N.V. | 1,508,857 | $158.9M | 0.45% | −16,008−1.0% | Reduced |
| Snyder Capital Management L P | 1,323,099 | $163.7M | 3.10% | −328,681−19.9% | Reduced |
| Schroder Investment Management Group | 1,336,600 | $165.4M | 0.13% | +39,351+3.0% | Added |
| Nissay Asset Management Corp | 1,341,896 | $166.1M | 0.92% | +591,345+78.8% | Added |
| Prudential Financial Inc | 1,344,177 | $166.3M | 0.20% | +411,959+44.2% | Added |
| Carmignac Gestion | 1,407,249 | $166.8M | 2.49% | −539,251−27.7% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 1,390,269 | $172.0M | 0.40% | +38,369+2.8% | Added |
| Citigroup Inc | 1,395,634 | $172.7M | 0.12% | −316,419−18.5% | Reduced |
| Macquarie Group Ltd | 1,405,604 | $173.9M | 0.20% | +1,028,175+272.4% | Added |
| Davis R M Inc | 1,406,726 | $174.1M | 3.04% | −67,516−4.6% | Reduced |
| Polar Capital Holdings Plc | 1,418,724 | $175.6M | 0.85% | −645,875−31.3% | Reduced |
| USS Investment Management Ltd | 1,427,865 | $176.7M | 0.85% | +570,203+66.5% | Added |
| Chilton Investment Co LLC | 1,457,640 | $180.4M | 3.68% | +6,216+0.4% | Added |
| Cerity Partners LLC | 1,483,153 | $183.5M | 0.30% | +1,982+0.1% | Added |
| Public Employees Retirement Association of Colorado | 1,486,604 | $184.0M | 0.68% | −349,156−19.0% | Reduced |
| Atalan Capital Partners, LP | 1,488,000 | $184.1M | 12.85% | −112,000−7.0% | Reduced |
| Glenmede Investment Management, LP | 1,517,796 | $187.8M | 0.91% | −94,992−5.9% | Reduced |
| Maren Capital LLC | 1,549,407 | $191.7M | 10.67% | −140,552−8.3% | Reduced |
| Qube Research & Technologies Ltd | 1,581,557 | $195.7M | 0.28% | +1,354,245+595.8% | Added |
| New York State Common Retirement Fund | 1,596,470 | $197.6M | 0.26% | −14,222−0.9% | Reduced |
| AustralianSuper Pty Ltd | 1,597,318 | $197.7M | 0.93% | +808,578+102.5% | Added |
| Voloridge Investment Management, LLC | 1,638,523 | $202.8M | 0.68% | −1,055,051−39.2% | Reduced |
| Lord, Abbett & Co. LLC | 1,673,531 | $207.1M | 0.62% | −228,831−12.0% | Reduced |
| Stonehage Fleming Financial Services Holdings Ltd | 1,747,644 | $216.3M | 6.13% | −538,502−23.6% | Reduced |
| Veritas Investment Partners (UK) Ltd. | 1,755,366 | $217.2M | 4.16% | −372,277−17.5% | Reduced |
| HRT Financial LP | 1,762,514 | $218.1M | 0.80% | +1,745,058+9,996.9% | Added |
| 1832 Asset Management L.P. | 1,791,116 | $221.7M | 0.38% | −11,703−0.6% | Reduced |
| James Hambro & Partners | 1,821,871 | $225.5M | 8.01% | −184,418−9.2% | Reduced |
| Bamco Inc | 1,889,530 | $233.8M | 0.62% | +5000.0% | Added |
| California State Teachers Retirement System | 1,928,834 | $238.7M | 0.24% | +17,649+0.9% | Added |
| Ameriprise Financial Inc | 2,008,218 | $239.5M | 0.06% | +188,625+10.4% | Added |
| Bank of Montreal | 1,946,483 | $240.9M | 0.11% | +7,931+0.4% | Added |
| Mackenzie Financial Corp | 1,963,420 | $243.0M | 0.29% | −1,427,120−42.1% | Reduced |
| TD Asset Management Inc | 1,988,169 | $246.0M | 0.20% | −990,935−33.3% | Reduced |
| D. E. Shaw & Co., Inc. | 2,050,107 | $253.7M | 0.20% | −2,418,745−54.1% | Reduced |
| Fenimore Asset Management Inc | 2,050,259 | $253.7M | 5.09% | −237,161−10.4% | Reduced |
| Millennium Management LLC | 2,064,803 | $255.5M | 0.20% | −352,152−14.6% | Reduced |
| Bank Julius Baer & Co. Ltd, Zurich | 2,096,338 | $259.4M | 0.73% | −26,383−1.2% | Reduced |
| Kayne Anderson Rudnick Investment Management LLC | 2,118,518 | $262.2M | 0.64% | −447,750−17.4% | Reduced |
| Citadel Advisors LLC | 2,209,106 | $273.4M | 0.22% | −45,881−2.0% | Reduced |
| Jennison Associates LLC | 2,326,847 | $287.9M | 0.17% | +2,326,847 | New |
| Rhumbline Advisers | 2,377,168 | $294.2M | 0.24% | −67,482−2.8% | Reduced |
| American Century Companies Inc | 2,396,162 | $296.5M | 0.15% | −8,952−0.4% | Reduced |
| Madison Asset Management, LLC | 2,442,702 | $302.3M | 3.33% | −35,617−1.4% | Reduced |
| HSBC Holdings PLC | 2,452,367 | $302.3M | 0.18% | +536,842+28.0% | Added |
| SEI Investments Co | 2,457,781 | $304.2M | 0.33% | +1,327,659+117.5% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 2,526,625 | $312.7M | 0.23% | +130,211+5.4% | Added |
| Los Angeles Capital Management LLC | 2,593,777 | $321.0M | 1.09% | +855,784+49.2% | Added |
| Principal Financial Group Inc | 2,679,552 | $331.6M | 0.17% | −61,340−2.2% | Reduced |
| Agf Management Ltd | 2,743,740 | $339.5M | 1.49% | −47,247−1.7% | Reduced |
| Blair William & Co | 2,751,514 | $340.5M | 0.91% | −219,934−7.4% | Reduced |
| Raymond James Financial Inc | 2,756,672 | $341.1M | 0.11% | +214,404+8.4% | Added |
| Local Pensions Partnership Investment Ltd | 2,824,700 | $349.6M | 5.96% | −205,400−6.8% | Reduced |
| CIBC Private Wealth Group, LLC | 2,896,146 | $358.4M | 0.61% | −28,492−1.0% | Reduced |
| Holocene Advisors, LP | 2,900,009 | $358.9M | 0.82% | −967,425−25.0% | Reduced |
| Rathbone Brothers plc | 2,968,161 | $367.3M | 1.49% | −314,695−9.6% | Reduced |
| Axiom Investors LLC | 2,971,135 | $367.7M | 2.71% | +2,971,135 | New |
| Lone Pine Capital LLCSuperinvestorLone Pine Capital | 3,023,231 | $374.1M | 2.72% | +3,023,231 | New |
| Allianz Asset Management GmbH | 3,164,549 | $391.6M | 0.48% | −748,482−19.1% | Reduced |
| National Pension Service | 3,357,299 | $415.5M | 0.32% | +76,358+2.3% | Added |
| Natixis Advisors, L.P. | 3,369,846 | $417.0M | 0.61% | +308,548+10.1% | Added |
| Swiss National Bank | 3,486,800 | $431.5M | 0.25% | −181,400−4.9% | Reduced |
| Alphinity Investment Management Pty Ltd | 3,560,384 | $440.6M | 4.30% | −1,869,256−34.4% | Reduced |
| Dimensional Fund Advisors LP | 3,584,260 | $443.4M | 0.10% | −91,764−2.5% | Reduced |
| Vontobel Holding Ltd. | 3,760,087 | $465.3M | 1.46% | +944,002+33.5% | Added |
| AQR Capital Management LLC | 3,810,841 | $468.5M | 0.30% | +716,889+23.2% | Added |
| UBS Group AG | 3,810,163 | $471.5M | 0.09% | −75,488−1.9% | Reduced |
| Egerton Capital (UK) LLP | 3,823,422 | $473.1M | 4.99% | +654,949+20.7% | Added |
| California Public Employees Retirement System | 3,968,581 | $491.1M | 0.29% | −700,500−15.0% | Reduced |
| Stifel Financial Corp | 3,998,310 | $494.8M | 0.45% | −1,536,085−27.8% | Reduced |
| Alkeon Capital Management LLC | 4,104,603 | $507.9M | 2.30% | +1,433,650+53.7% | Added |
| Winslow Capital Management, LLC | 4,435,461 | $548.9M | 1.81% | +4,432,205+136,124.2% | Added |
| Swedbank AB | 4,614,212 | $571.0M | 0.58% | −318,997−6.5% | Reduced |
| Voya Investment Management LLC | 5,108,325 | $632.2M | 0.63% | −74,427−1.4% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 5,352,684 | $662.4M | 0.38% | +221,457+4.3% | Added |
| Amundi | 5,763,353 | $711.2M | 0.23% | +573,361+11.0% | Added |
| Mawer Investment Management Ltd. | 5,910,383 | $731.4M | 3.80% | −1,517,720−20.4% | Reduced |
| Neuberger Berman Group LLC | 5,991,466 | $741.4M | 0.54% | −111,552−1.8% | Reduced |
| Envestnet Asset Management Inc | 6,034,166 | $746.7M | 0.21% | +150,407+2.6% | Added |
| Lazard Asset Management LLC | 6,184,592 | $765.3M | 1.03% | −341,537−5.2% | Reduced |
| Deutsche Bank AG | 6,211,298 | $768.6M | 0.26% | −221,637−3.4% | Reduced |
| Wells Fargo & Company | 6,546,828 | $810.2M | 0.17% | +336,686+5.4% | Added |
| Barclays PLC | 6,764,998 | $837.2M | 0.31% | +339,888+5.3% | Added |
| Charles Schwab Investment Management Inc | 7,168,444 | $887.1M | 0.14% | +79,858+1.1% | Added |