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, 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 | 2,340 | $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, 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 |
|---|---|---|---|---|---|
| SummitTX Capital, L.P. | 41,484 | $5.13M | 0.21% | +32,002+337.5% | Added |
| PDT Partners, LLC | 41,768 | $5.17M | 0.33% | −7,932−16.0% | Reduced |
| Empirical Finance, LLC | 41,863 | $5.18M | 0.25% | +414+1.0% | Added |
| Quadrant Capital Group LLC | 42,100 | $5.21M | 0.17% | +768+1.9% | Added |
| First National Advisers, LLC | 42,215 | $5.22M | 0.71% | −11,610−21.6% | Reduced |
| Arrow Financial Corp | 42,291 | $5.23M | 0.54% | −1,970−4.5% | Reduced |
| Montag A & Associates Inc | 42,452 | $5.26M | 0.24% | −38,540−47.6% | Reduced |
| Tokio Marine Asset Management Co Ltd | 42,535 | $5.26M | 0.19% | +1,235+3.0% | Added |
| Ossiam | 42,731 | $5.29M | 0.07% | −478,393−91.8% | Reduced |
| Vestmark Advisory Solutions, Inc. | 42,788 | $5.30M | 0.10% | −5,074−10.6% | Reduced |
| Lombard Odier Asset Management (Switzerland) SA | 42,817 | $5.30M | 0.25% | +3,800+9.7% | Added |
| Bright Rock Capital Management, LLC | 43,000 | $5.32M | 1.04% | 00.0% | Unchanged |
| Buckhead Capital Management LLC | 43,530 | $5.39M | 1.96% | −6,751−13.4% | Reduced |
| Conning Inc. | 43,956 | $5.44M | 0.18% | +35,269+406.0% | Added |
| Charter Trust Co | 44,100 | $5.46M | 0.33% | −1,888−4.1% | Reduced |
| Okabena Investment Services Inc | 44,218 | $5.47M | 1.06% | +220.0% | Added |
| Allstate Corp | 44,438 | $5.50M | 0.13% | +41,770+1,565.6% | Added |
| Lee Johnson Capital Management, LLC | 44,803 | $5.54M | 1.84% | +44,803 | New |
| Mitchell Capital Management Co | 44,931 | $5.56M | 0.95% | +1,246+2.9% | Added |
| Argent Trust Co | 45,076 | $5.58M | 0.20% | −4,592−9.2% | Reduced |
| AlphaCore Capital LLC | 45,275 | $5.61M | 0.19% | +3,436+8.2% | Added |
| Alcosta Capital Management, Inc. | 45,455 | $5.63M | 3.03% | +45,455 | New |
| Eastern Bank | 45,584 | $5.64M | 0.10% | +44,752+5,378.8% | Added |
| Kestra Advisory Services, LLC | 45,626 | $5.65M | 0.03% | +14,702+47.5% | Added |
| Connable Office Inc | 45,746 | $5.66M | 0.53% | +195+0.4% | Added |
| Cape Cod Five Cents Savings Bank | 87,072 | $5.67M | 0.52% | 00.0% | Unchanged |
| Sumitomo Life Insurance Co | 46,565 | $5.76M | 0.18% | −917−1.9% | Reduced |
| Capital International Ltd | 46,614 | $5.77M | 0.21% | +46,614 | New |
| BOK Financial Private Wealth, Inc. | 46,605 | $5.77M | 0.36% | −459−1.0% | Reduced |
| Synovus Financial Corp | 47,853 | $5.92M | 0.07% | −9,446−16.5% | Reduced |
| LMR Partners LLP | 47,966 | $5.94M | 0.08% | −111,453−69.9% | Reduced |
| China Universal Asset Management Co., Ltd. | 48,000 | $5.95M | 0.49% | 00.0% | Unchanged |
| GAMMA Investing LLC | 48,451 | $6.00M | 0.33% | +2,792+6.1% | Added |
| Norway Savings Bank | 48,940 | $6.06M | 2.93% | −1,141−2.3% | Reduced |
| Thompson Siegel & Walmsley LLC | 49,000 | $6.06M | 0.10% | +49,000 | New |
| Keel Point, LLC | 49,061 | $6.07M | 0.37% | −4,501−8.4% | Reduced |
| Level Four Advisory Services, LLC | 49,179 | $6.09M | 0.21% | +46,505+1,739.2% | Added |
| Oak Family Advisors, LLC | 49,995 | $6.19M | 2.01% | −15,731−23.9% | Reduced |
| UBS Oconnor LLC | 50,000 | $6.19M | 0.19% | +50,000 | New |
| Private Advisor Group, LLC | 50,204 | $6.21M | 0.03% | +6,015+13.6% | Added |
| Prudential PLC | 50,241 | $6.22M | 0.05% | −18,776−27.2% | Reduced |
| Assetmark, Inc | 50,437 | $6.24M | 0.01% | +8,748+21.0% | Added |
| Sowell Financial Services LLC | 50,492 | $6.25M | 0.24% | −4,576−8.3% | Reduced |
| AIA Group Ltd | 51,010 | $6.31M | 0.11% | +41,187+419.3% | Added |
| Merit Financial Group, LLC | 51,525 | $6.38M | 0.06% | +3,063+6.3% | Added |
| Hudson Valley Investment Advisors Inc | 51,754 | $6.40M | 0.67% | −4,327−7.7% | Reduced |
| Sterling Capital Management LLC | 51,807 | $6.41M | 0.09% | −7,756−13.0% | Reduced |
| American Trust | 52,207 | $6.46M | 0.55% | −1,157−2.2% | Reduced |
| Baer Investment Advisory LLC | 52,294 | $6.47M | 8.10% | +1,567+3.1% | Added |
| Wendell David Associates Inc | 52,420 | $6.49M | 0.64% | +11,150+27.0% | Added |
| Graham Capital Management, L.P. | 52,656 | $6.52M | 0.24% | +52,656 | New |
| Illinois Municipal Retirement Fund | 53,192 | $6.58M | 0.08% | +4,072+8.3% | Added |
| Genus Capital Management Inc. | 53,587 | $6.63M | 0.77% | +23,867+80.3% | Added |
| New Mexico Educational Retirement Board | 54,660 | $6.76M | 0.21% | −1,700−3.0% | Reduced |
| Vestcor Inc | 54,707 | $6.77M | 0.20% | +3,698+7.2% | Added |
| Greenleaf Trust | 54,778 | $6.78M | 0.06% | −2,112−3.7% | Reduced |
| Badgley Phelps Wealth Managers, LLC | 55,045 | $6.81M | 0.14% | +55,045 | New |
| Watchman Group, Inc. | 55,757 | $6.90M | 1.67% | −5,240−8.6% | Reduced |
| Oppenheimer & Co Inc | 55,777 | $6.90M | 0.08% | +1,209+2.2% | Added |
| Spire Wealth Management | 55,783 | $6.90M | 0.23% | +14,397+34.8% | Added |
| Bath Savings Trust Co | 55,803 | $6.91M | 0.68% | +20,500+58.1% | Added |
| Catalyst Capital Advisors LLC | 55,869 | $6.91M | 0.14% | −2,099−3.6% | Reduced |
| Axxcess Wealth Management, LLC | 55,879 | $6.91M | 0.15% | +11,292+25.3% | Added |
| Parallax Volatility Advisers, L.P. | 56,011 | $6.93M | 0.20% | +56,011 | New |
| Ithaka Group LLC | 56,107 | $6.94M | 1.19% | +56,107 | New |
| Asio Capital, LLC | 56,317 | $6.97M | 1.04% | +1,687+3.1% | Added |
| Marietta Investment Partners LLC | 56,709 | $7.02M | 1.35% | +3,527+6.6% | Added |
| Keebeck Wealth Management, LLC | 57,010 | $7.07M | 0.84% | −3,245−5.4% | Reduced |
| Quantessence Capital LLC | 58,232 | $7.21M | 2.28% | +38,961+202.2% | Added |
| Johnson Financial Group, Inc. | 58,202 | $7.21M | 0.27% | +10,300+21.5% | Added |
| Securian Asset Management, Inc | 58,899 | $7.29M | 0.19% | −4,293−6.8% | Reduced |
| Harvest Fund Management Co., Ltd | 58,907 | $7.29M | 0.31% | +9,735+19.8% | Added |
| Longbow Finance SA | 59,401 | $7.35M | 0.73% | −47,958−44.7% | Reduced |
| Dana Investment Advisors, Inc. | 59,724 | $7.39M | 0.22% | −420−0.7% | Reduced |
| Maryland State Retirement & Pension System | 60,128 | $7.44M | 0.16% | +1,522+2.6% | Added |
| Gulf International Bank (UK) Ltd | 60,706 | $7.51M | 0.25% | −1,065−1.7% | Reduced |
| New Age Alpha Advisors, LLC | 60,858 | $7.53M | 0.32% | −6,203−9.2% | Reduced |
| NewEdge Wealth, LLC | 54,249 | $7.53M | 0.11% | +4,828+9.8% | Added |
| Evercore Wealth Management, LLC | 61,473 | $7.61M | 0.11% | −272−0.4% | Reduced |
| Advisory Services Network, LLC | 61,782 | $7.65M | 0.11% | −10,587−14.6% | Reduced |
| NovaPoint Capital, LLC | 62,193 | $7.70M | 1.88% | +2,570+4.3% | Added |
| KP Management LLC | 62,500 | $7.73M | 2.71% | +35,000+127.3% | Added |
| Investment Management Corp of Ontario | 62,533 | $7.74M | 0.12% | +27,074+76.4% | Added |
| Bokf, NA | 62,764 | $7.77M | 0.12% | −4,182−6.2% | Reduced |
| Siemens Fonds Invest GmbH | 63,385 | $7.84M | 0.43% | −2,548−3.9% | Reduced |
| BKD Wealth Advisors, LLC | 63,454 | $7.85M | 0.16% | −1,774−2.7% | Reduced |
| PFG Advisors | 63,606 | $7.87M | 0.32% | +5,769+10.0% | Added |
| Louisiana State Employees Retirement System | 64,100 | $7.93M | 0.13% | +300+0.5% | Added |
| Schonfeld Strategic Advisors LLC | 64,356 | $7.96M | 0.06% | −564,065−89.8% | Reduced |
| Summit Global Investments | 64,816 | $8.02M | 0.47% | +35,715+122.7% | Added |
| Silvercrest Asset Management Group LLC | 64,881 | $8.03M | 0.05% | −100.0% | Reduced |
| Canada Post Corp Registered Pension Plan | 66,422 | $8.04M | 0.36% | +3,340+5.3% | Added |
| Americana Partners, LLC | 65,043 | $8.05M | 0.24% | +1,813+2.9% | Added |
| Pinnbrook Capital Management LP | 65,253 | $8.08M | 1.49% | +33,937+108.4% | Added |
| Huntleigh Advisors, Inc. | 65,264 | $8.08M | 1.38% | +3,196+5.1% | Added |
| Loomis Sayles & Co L P | 65,706 | $8.13M | 0.01% | +30,244+85.3% | Added |
| Davenport & Co LLC | 66,337 | $8.16M | 0.04% | −2,042−3.0% | Reduced |
| HB Wealth Management, LLC | 66,097 | $8.18M | 0.06% | +4,425+7.2% | Added |
| Tema ETFs LLC | 66,724 | $8.26M | 0.69% | +26,789+67.1% | Added |
| Davis Investment Partners, LLC | 66,664 | $8.31M | 2.84% | 00.0% | Unchanged |