Amphenol Corp. Class AAPH
13F holders, Q1 2025 (March 31)1,427holders +22
163new positions
134sold out
6famous investors
$65.55avg. 13F price*
At the end of Q1 2025, 1,427 institutions reported holding Amphenol Corp. Class A (APH) in their 13F filings, up 22 from Q4 2024. 163 opened new positions and 134 sold out. The largest holders were Vanguard Group Inc. ($10.2B), FMR LLC ($6.9B) and BlackRock, Inc. ($6.7B). 6 famous investors held it, including Ron Baron (0.4% of Baron Capital (BAMCO)'s portfolio), Cliff Asness (0.2% of AQR Capital Management's portfolio) and Joel Greenblatt (0.1% of Gotham Asset Management's portfolio).
- Company
- Amphenol Corp. Class A
- Sector
- Technology
- CUSIP
- 032095101
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 163 | $675.4M |
| Exits | 134 | $712.2M |
All 13F filers, Q4 2024 → Q1 2025: 93,502,307 shares bought and 77,770,129 shares sold, net +15,732,178 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 1,427 holders
| Vanguard Group Inc. | 0.18% | Add +1.9% | 154,998,780 | $10.2B |
| FMR LLC | 0.44% | Add +0.7% | 104,940,369 | $6.9B |
| BlackRock, Inc. | 0.14% | Add +3.3% | 101,875,225 | $6.7B |
| State Street Corp. | 0.15% | Add +2.2% | 55,312,546 | $3.6B |
| T. Rowe Price Associates Inc. | 0.34% | Reduce -28.5% | 42,108,425 | $2.8B |
| Bank of New York Mellon Corp | 0.41% | Reduce -5.4% | 31,166,556 | $2.0B |
| Geode Capital Management, LLC | 0.14% | Add +3.8% | 26,296,681 | $1.7B |
| Bank of America Corp. | 0.15% | Add +2.0% | 25,441,980 | $1.7B |
| Massachusetts Financial Services Co. | 0.45% | Reduce -6.6% | 20,676,055 | $1.4B |
| Norges Bank | 0.18% | Add +0.3% | 19,911,699 | $1.3B |
| Morgan Stanley | 0.09% | Reduce -0.6% | 19,765,127 | $1.3B |
| JPMorgan Chase & Co. | 0.09% | Reduce -0.3% | 17,788,223 | $1.2B |
| T. Rowe Price Investment Management, Inc. | 0.73% | Add +196.3% | 16,743,239 | $1.1B |
| Royal Bank of Canada | 0.19% | Add +0.1% | 13,013,749 | $853.6M |
| Northern Trust Corp. | 0.12% | Reduce -2.1% | 12,796,032 | $839.3M |
| Wellington Management Group LLP | 0.15% | Add +73.5% | 12,168,971 | $798.2M |
| Flossbach Von Storch SE | 3.24% | Reduce -7.4% | 11,397,719 | $747.6M |
| Amundi | 0.27% | Reduce -17.5% | 11,589,011 | $729.5M |
| Franklin Resources Inc. | 0.21% | Add +59.1% | 11,060,901 | $725.5M |
| Alecta Tjanstepension Omsesidigt | 4.02% | Reduce -16.0% | 10,941,600 | $717.7M |
| Janus Henderson Group PLC | 0.37% | Add +41.5% | 10,268,334 | $683.8M |
| Invesco Ltd. | 0.11% | Add +1.6% | 9,198,997 | $603.4M |
| Mawer Investment Management Ltd. | 2.81% | Reduce -21.9% | 8,865,933 | $581.5M |
| Lazard Asset Management LLC | 0.97% | Reduce -15.1% | 8,831,645 | $579.3M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.15% | Add +639.0% | 8,758,951 | $574.5M |
| Alliancebernstein L.P. | 0.21% | Add +1.1% | 8,739,553 | $573.2M |
| Goldman Sachs Group Inc. | 0.10% | Add +38.2% | 7,732,690 | $507.2M |
| Legal & General Group Plc | 0.13% | Add +0.9% | 7,441,588 | $488.1M |
| Nuveen, LLC | 0.15% | — | 7,270,046 | $476.8M |
| Neuberger Berman Group LLC | 0.39% | Reduce -13.3% | 7,112,553 | $466.5M |
| Charles Schwab Investment Management Inc. | 0.09% | Add +2.7% | 6,943,189 | $455.4M |
| Stifel Financial Corp. | 0.46% | Reduce -3.3% | 6,657,877 | $436.7M |
| Barclays PLC | 0.17% | Add +10.0% | 5,831,794 | $382.5M |
| Capital Research Global Investors | 0.08% | Add +36.9% | 5,805,553 | $380.8M |
| Envestnet Asset Management Inc. | 0.12% | Add +13.2% | 5,673,208 | $372.1M |
| Deutsche Bank AG | 0.15% | Add +45.1% | 5,652,237 | $370.7M |
| California Public Employees Retirement System | 0.25% | Reduce -2.3% | 5,460,245 | $358.1M |
| Wells Fargo & Company | 0.09% | Add +27.0% | 5,411,488 | $354.9M |
| Voya Investment Management LLC | 0.42% | Add +2.4% | 4,922,602 | $322.9M |
| Sumitomo Mitsui Trust Group, Inc. | 0.23% | Reduce -2.4% | 4,922,202 | $322.8M |
| Swedbank AB | 0.41% | Add +10.4% | 4,748,252 | $311.4M |
| Allianz Asset Management GmbH | 0.45% | Add +49.5% | 4,613,025 | $302.6M |
| UBS Group AG | 0.06% | Add +34.6% | 4,136,002 | $271.3M |
| Mackenzie Financial Corp. | 0.35% | Reduce -33.2% | 3,717,141 | $243.8M |
| BNP Paribas Financial Markets | 0.19% | Add +7.3% | 3,713,778 | $243.6M |
| Dimensional Fund Advisors LP | 0.06% | Add +2.0% | 3,697,489 | $242.5M |
| Rathbones Group PLC | 1.08% | Add +6.2% | 3,419,637 | $224.3M |
| Swiss National Bank | 0.16% | Reduce -0.1% | 3,400,300 | $223.0M |
| Local Pensions Partnership Investment Ltd | 4.42% | Reduce -2.3% | 3,390,600 | $222.4M |
| Capital International Investors | 0.04% | Add +0.3% | 3,279,262 | $215.1M |
| AQR Capital Management | 0.22% | Add +338.8% | 3,275,831 | $212.8M |
| Vontobel Holding Ltd. | 0.74% | Add +65.4% | 3,106,242 | $203.7M |
| Blair William & Co. | 0.60% | Reduce -1.4% | 3,027,350 | $198.6M |
| TD Asset Management Inc | 0.18% | Reduce -8.2% | 3,025,590 | $198.4M |
| Principal Financial Group Inc. | 0.11% | Add +10.9% | 2,883,159 | $189.1M |
| National Pension Service | 0.18% | Add +3.9% | 2,867,820 | $188.1M |
| Natixis Advisors, LLC | 0.35% | Add +0.2% | 2,850,552 | $187.0M |
| Kayne Anderson Rudnick Investment Management LLC | 0.43% | Reduce -7.3% | 2,686,754 | $176.2M |
| Navera Investment Management Ltd. | 3.14% | Reduce -19.4% | 2,614,513 | $171.5M |
| CIBC Private Wealth Group LLC | 0.36% | Reduce -1.2% | 2,831,770 | $170.1M |
| Alkeon Capital Management LLC | 0.99% | Add +6.3% | 2,550,953 | $167.3M |
| Madison Asset Management, LLC | 1.86% | Add +12.1% | 2,546,347 | $167.0M |
| HSBC Holdings PLC | 0.11% | Reduce -19.4% | 2,538,754 | $166.3M |
| Jensen Investment Management Inc. | 1.83% | Reduce -0.1% | 2,517,591 | $165.1M |
| Raymond James Financial Inc. | 0.06% | Add +54.1% | 2,424,033 | $159.0M |
| Rhumbline Advisers | 0.15% | Add +2.3% | 2,414,238 | $158.3M |
| Los Angeles Capital Management LLC | 0.69% | Add +42.0% | 2,391,868 | $156.9M |
| Fenimore Asset Management Inc | 3.19% | Reduce -0.3% | 2,296,616 | $150.6M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.13% | Add +11.9% | 2,230,780 | $146.3M |
| Ameriprise Financial Inc. | 0.04% | Add +2.0% | 2,273,406 | $144.1M |
| Bank of Montreal | 0.08% | Reduce -6.1% | 2,190,567 | $143.7M |
| Bank Julius Baer & Co. Ltd, Zurich | 0.46% | Add +790.8% | 2,162,704 | $142.4M |
| London Co. of Virginia | 0.80% | Reduce -33.0% | 2,129,022 | $139.6M |
| Man Group plc | 0.43% | Reduce -10.0% | 2,107,130 | $138.2M |
| Carmignac Gestion | 2.23% | Add +112.6% | 2,071,000 | $135.8M |
| James Hambro & Partners LLP | 5.62% | Add +5.3% | 2,052,766 | $134.7M |
| Arrowstreet Capital, Limited Partnership | 0.11% | Reduce -26.5% | 1,976,930 | $129.7M |
| Impax Asset Management Group plc | 0.77% | New | 1,951,265 | $128.0M |
| California State Teachers Retirement System | 0.15% | Reduce -0.6% | 1,893,782 | $124.2M |
| Snyder Capital Management L P | 2.69% | Reduce -7.6% | 1,877,410 | $123.1M |
| Baron Capital (BAMCO) | 0.36% | Add +0.1% | 1,853,052 | $121.5M |
| National Bank of Canada | 0.14% | Add +2.9% | 1,845,855 | $121.1M |
| Public Employees Retirement Association of Colorado | 0.51% | Reduce -0.2% | 1,837,652 | $120.5M |
| Caisse de depot et placement du Quebec | 0.25% | Reduce -18.1% | 1,835,151 | $120.4M |
| Citigroup Inc. | 0.09% | Add +66.7% | 1,774,472 | $116.4M |
| Egerton Capital (UK) LLP | 1.33% | New | 1,762,623 | $115.6M |
| Glenmede Trust Co. NA | 0.59% | Add +4.3% | 1,666,912 | $109.3M |
| Maren Capital LLC | 7.33% | Add +16.9% | 1,639,863 | $107.6M |
| Russell Investments Group, Ltd. | 0.15% | Add +3.2% | 1,623,265 | $106.6M |
| New York State Common Retirement Fund | 0.16% | Reduce -15.4% | 1,622,160 | $106.4M |
| Tandem Investment Advisors, Inc. | 3.65% | Add +37.2% | 1,597,132 | $104.8M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.20% | Add +2.6% | 1,487,721 | $97.6M |
| Davis R M Inc. | 1.94% | Add +0.5% | 1,474,291 | $96.7M |
| Harding Loevner LP | 0.71% | New | 1,416,441 | $92.9M |
| Danske Bank A/S | 0.28% | Add +128.6% | 1,404,603 | $92.1M |
| Atalan Capital Partners, LP | 8.70% | No change | 1,395,000 | $91.5M |
| Chilton Investment Co. Inc. | 2.21% | Add +2032.0% | 1,381,687 | $90.6M |
| NZS Capital, LLC | 4.07% | Add +41.4% | 1,375,895 | $90.2M |
| Adage Capital Partners Gp, L.L.C. | 0.17% | Add +8.2% | 1,372,820 | $90.0M |
| Cerity Partners LLC | 0.18% | Add +16.4% | 1,357,137 | $89.0M |
"% of holder's portfolio" is APH's weight in each manager's 13F, not the share of Amphenol Corp. Class A the manager owns.