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, 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 | 2,339 | $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, 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 |
|---|---|---|---|---|---|
| Johnson Investment Counsel Inc | 1,008,580 | $127.4M | 1.03% | −43,289−4.1% | Reduced |
| Aviva PLC | 1,027,242 | $129.8M | 0.22% | +31,204+3.1% | Added |
| Citadel Advisors LLC | 1,036,810 | $131.0M | 0.09% | +412,745+66.1% | Added |
| DekaBank Deutsche Girozentrale | 1,086,445 | $131.6M | 0.22% | 00.0% | Unchanged |
| Nordea Investment Management AB | 1,095,863 | $133.5M | 0.12% | +319,351+41.1% | Added |
| State Board of Administration of Florida Retirement System | 1,063,830 | $134.4M | 0.25% | +3300.0% | Added |
| William Blair Investment Management, LLC | 1,077,434 | $136.1M | 0.45% | +1,077,434 | New |
| Close Asset Management Ltd | 1,082,026 | $136.7M | 3.71% | +2,729+0.3% | Added |
| BNP Paribas Arbitrage, SA | 1,082,753 | $136.8M | 0.09% | −308,164−22.2% | Reduced |
| Jane Street Group, LLC | 1,102,037 | $139.2M | 0.15% | +960,297+677.5% | Added |
| Nomura Asset Management International Inc. | 1,120,367 | $141.6M | 0.24% | −38,534−3.3% | Reduced |
| National Bank of Canada | 1,134,670 | $143.4M | 0.15% | +272,877+31.7% | Added |
| Public Employees Retirement Association of Colorado | 1,136,743 | $143.6M | 0.56% | −172,372−13.2% | Reduced |
| SEI Investments Co | 1,167,564 | $147.5M | 0.14% | −1,132,937−49.2% | Reduced |
| Baird Financial Group, Inc. | 1,187,029 | $150.0M | 0.23% | +22,903+2.0% | Added |
| Danske Bank A/S | 1,196,166 | $151.1M | 0.36% | −30,459−2.5% | Reduced |
| Select Equity Group, L.P. | 1,199,943 | $151.6M | 0.81% | +534,692+80.4% | Added |
| Standard Life Aberdeen plc | 1,221,102 | $154.3M | 0.25% | +194,284+18.9% | Added |
| The PNC Financial Services Group, Inc. | 1,236,904 | $156.3M | 0.09% | +4,479+0.4% | Added |
| Madison Asset Management, LLC | 1,251,006 | $158.1M | 1.96% | −89,835−6.7% | Reduced |
| Alphinity Investment Management Pty Ltd | 1,279,344 | $161.6M | 2.85% | −1,290,943−50.2% | Reduced |
| KBC Group NV | 1,287,679 | $162.7M | 0.41% | +281,563+28.0% | Added |
| Glenmede Trust Co NA | 1,311,351 | $165.7M | 0.81% | −99,299−7.0% | Reduced |
| Winslow Capital Management, LLC | 1,328,007 | $167.8M | 0.65% | −2,374,163−64.1% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 1,560,039 | $169.0M | 0.37% | +1,300,324+500.7% | Added |
| Caisse de Depot Et Placement du Quebec | 1,349,405 | $170.5M | 0.27% | +230,977+20.7% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 1,354,475 | $171.1M | 0.37% | +48,646+3.7% | Added |
| Davis R M Inc | 1,356,402 | $171.7M | 3.05% | −19,098−1.4% | Reduced |
| Chilton Investment Co LLC | 1,361,331 | $172.0M | 4.04% | +26,582+2.0% | Added |
| AustralianSuper Pty Ltd | 1,372,030 | $173.4M | 0.90% | −431,262−23.9% | Reduced |
| New York State Common Retirement Fund | 1,379,746 | $174.3M | 0.24% | +13,800+1.0% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 1,382,847 | $174.7M | 0.20% | +151,209+12.3% | Added |
| Cerity Partners LLC | 1,410,675 | $178.2M | 0.25% | +57,865+4.3% | Added |
| James Hambro & Partners | 1,420,385 | $179.5M | 7.04% | −143,713−9.2% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 1,439,828 | $181.9M | 0.31% | +41,981+3.0% | Added |
| Kayne Anderson Rudnick Investment Management LLC | 1,453,296 | $183.6M | 0.54% | −320,286−18.1% | Reduced |
| Mackenzie Financial Corp | 1,476,411 | $186.5M | 0.22% | −484,146−24.7% | Reduced |
| Maren Capital LLC | 1,477,762 | $186.7M | 9.77% | −20,354−1.4% | Reduced |
| LPL Financial LLC | 1,502,939 | $189.9M | 0.05% | −32,031−2.1% | Reduced |
| Citigroup Inc | 1,525,408 | $192.7M | 0.12% | −72,097−4.5% | Reduced |
| Lord, Abbett & Co. LLC | 1,538,895 | $194.4M | 0.63% | −84,094−5.2% | Reduced |
| Fenimore Asset Management Inc | 1,550,590 | $195.9M | 4.37% | −115,219−6.9% | Reduced |
| Capital World Investors | 1,553,787 | $196.3M | 0.03% | +1,553,787 | New |
| Russell Investments Group, Ltd. | 1,604,857 | $201.5M | 0.22% | +177,035+12.4% | Added |
| Veritas Investment Partners (UK) Ltd. | 1,594,959 | $201.5M | 5.15% | −71,344−4.3% | Reduced |
| Schroder Investment Management Group | 1,595,729 | $201.6M | 0.17% | −111,281−6.5% | Reduced |
| Bamco Inc | 1,659,690 | $209.7M | 0.63% | −51,052−3.0% | Reduced |
| Bank Julius Baer & Co. Ltd, Zurich | 1,690,500 | $211.1M | 0.64% | +606,150+55.9% | Added |
| First Trust Advisors LP | 1,689,755 | $213.5M | 0.15% | +500,997+42.1% | Added |
| USS Investment Management Ltd | 1,739,556 | $219.8M | 0.93% | +249,155+16.7% | Added |
| Vontobel Holding Ltd. | 1,783,600 | $225.4M | 0.77% | −721,997−28.8% | Reduced |
| Adage Capital Partners GP, L.L.C. | 1,784,888 | $225.5M | 0.35% | +692,268+63.4% | Added |
| Bank of Montreal | 1,863,865 | $235.5M | 0.10% | −177,487−8.7% | Reduced |
| California State Teachers Retirement System | 1,875,034 | $236.9M | 0.25% | −42,331−2.2% | Reduced |
| Allspring Global Investments Holdings, LLC | 1,867,546 | $238.5M | 0.40% | +156,774+9.2% | Added |
| Man Group plc | 1,925,820 | $243.3M | 0.50% | +46,334+2.5% | Added |
| Ameriprise Financial Inc | 1,927,780 | $243.6M | 0.06% | +140,037+7.8% | Added |
| Los Angeles Capital Management LLC | 1,948,877 | $246.2M | 0.97% | −273,438−12.3% | Reduced |
| Local Pensions Partnership Investment Ltd | 1,951,700 | $246.6M | 5.33% | −292,900−13.0% | Reduced |
| Vanguard Asset Management, Ltd | 1,958,904 | $247.5M | 0.21% | +1,958,904 | New |
| CIBC Bancorp USA Inc. | 2,167,957 | $274.0M | 0.37% | +2,167,957 | New |
| Rhumbline Advisers | 2,318,236 | $292.9M | 0.25% | −22,408−1.0% | Reduced |
| Millennium Management LLC | 2,320,894 | $293.2M | 0.22% | +998,493+75.5% | Added |
| Worldquant Millennium Advisors LLC | 2,327,548 | $294.1M | 1.13% | +650,088+38.8% | Added |
| HSBC Holdings PLC | 2,339,773 | $294.7M | 0.18% | +36,725+1.6% | Added |
| Marshall Wace, LLP | 2,337,310 | $295.3M | 0.32% | +1,845,717+375.5% | Added |
| Blair William & Co | 2,520,319 | $318.4M | 0.91% | −133,572−5.0% | Reduced |
| Qube Research & Technologies Ltd | 2,549,676 | $322.2M | 0.46% | +1,937,807+316.7% | Added |
| Allianz Asset Management GmbH | 2,658,974 | $336.0M | 0.39% | −123,380−4.4% | Reduced |
| Vanguard Global Advisers, LLC | 2,690,527 | $339.9M | 0.18% | +2,690,527 | New |
| Canada Pension Plan Investment Board | 2,711,727 | $342.6M | 0.22% | +1,147,349+73.3% | Added |
| Jones Financial Companies LLLP | 2,787,314 | $344.6M | 0.17% | +2,423,953+667.1% | Added |
| Alyeska Investment Group, L.P. | 2,836,921 | $358.4M | 1.01% | +984,860+53.2% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 2,847,871 | $359.9M | 0.24% | +215,188+8.2% | Added |
| Egerton Capital (UK) LLP | 2,871,353 | $362.8M | 4.03% | −836,558−22.6% | Reduced |
| Principal Financial Group Inc | 2,896,337 | $366.0M | 0.20% | +145,847+5.3% | Added |
| Natixis Advisors, L.P. | 3,049,174 | $385.3M | 0.54% | +33,923+1.1% | Added |
| Rathbone Brothers plc | 3,083,245 | $389.6M | 1.56% | +244,108+8.6% | Added |
| Raymond James Financial Inc | 3,104,943 | $392.2M | 0.12% | +135,657+4.6% | Added |
| California Public Employees Retirement System | 3,119,106 | $394.1M | 0.24% | −1,017,912−24.6% | Reduced |
| Alecta Pensionsforsakring, Omsesidigt | 3,175,000 | $401.1M | 1.95% | −3,515,000−52.5% | Reduced |
| Lazard Asset Management LLC | 3,178,900 | $401.7M | 0.66% | −574,093−15.3% | Reduced |
| Swedbank AB | 3,240,447 | $409.4M | 0.43% | −934,043−22.4% | Reduced |
| National Pension Service | 3,324,626 | $420.1M | 0.32% | +83,776+2.6% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 3,505,726 | $442.9M | 0.40% | +3,075,599+715.0% | Added |
| Swiss National Bank | 3,592,300 | $453.9M | 0.26% | +246,600+7.4% | Added |
| TD Asset Management Inc | 3,608,908 | $456.0M | 0.37% | −479,805−11.7% | Reduced |
| Stifel Financial Corp | 3,707,682 | $468.5M | 0.43% | +56,053+1.5% | Added |
| Mawer Investment Management Ltd. | 3,986,761 | $503.7M | 3.26% | −1,098,785−21.6% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 4,136,462 | $522.6M | 0.34% | −929,999−18.4% | Reduced |
| SG Americas Securities, LLC | 4,159,165 | $525.5M | 0.58% | +3,104,335+294.3% | Added |
| Axiom Investors LLC | 4,267,387 | $539.2M | 6.00% | +272,970+6.8% | Added |
| Dimensional Fund Advisors LP | 4,327,082 | $546.5M | 0.11% | +813,746+23.2% | Added |
| Alliancebernstein L.P. | 4,074,952 | $550.7M | 0.18% | −1,099,368−21.2% | Reduced |
| Edgewood Management LLC | 4,604,449 | $581.8M | 3.75% | +1,482,974+47.5% | Added |
| Alkeon Capital Management LLC | 4,617,948 | $583.5M | 2.64% | +873,345+23.3% | Added |
| Voya Investment Management LLC | 4,701,866 | $594.1M | 0.62% | −935,998−16.6% | Reduced |
| Barclays PLC | 5,027,734 | $635.3M | 0.23% | −79,017−1.5% | Reduced |
| Envestnet Asset Management Inc | 5,231,684 | $661.0M | 0.18% | −213,647−3.9% | Reduced |
| American Century Companies Inc | 5,307,856 | $670.6M | 0.35% | −525,319−9.0% | Reduced |