Amphenol Corp. Class AAPH
13F holders, Q1 2026 (March 31)2,133holders +75
221new positions
140sold out
13famous investors
$126.04avg. 13F price*
At the end of Q1 2026, 2,133 institutions reported holding Amphenol Corp. Class A (APH) in their 13F filings, up 75 from Q4 2025. 221 opened new positions and 140 sold out. The largest holders were BlackRock, Inc. ($12.9B), Vanguard Capital Management LLC ($10.1B) and FMR LLC ($10.0B). 13 famous investors held it, including Ron Baron (0.6% of Baron Capital (BAMCO)'s portfolio), Ray Dalio (0.5% of Bridgewater Associates's portfolio) and Paul Tudor Jones (0.4% of Tudor Investment Corporation'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 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 221 | $1.3B |
| Exits | 140 | $698.7M |
All 13F filers, Q4 2025 → Q1 2026: 109,338,280 shares bought and 168,512,642 shares sold, net −59,174,362 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 2,133 holders
| BlackRock, Inc. | 0.23% | Reduce -3.9% | 101,966,066 | $12.9B |
| Vanguard Capital Management LLC | 0.25% | — | 79,875,456 | $10.1B |
| FMR LLC | 0.53% | Reduce -8.0% | 79,477,521 | $10.0B |
| State Street Corp. | 0.25% | Add +0.8% | 57,396,418 | $7.3B |
| JPMorgan Chase & Co. | 0.40% | Add +43.5% | 49,270,578 | $5.9B |
| Vanguard Portfolio Management LLC | 0.24% | — | 35,850,171 | $4.5B |
| Capital International Investors | 1.05% | Add +49.2% | 35,333,842 | $4.5B |
| Geode Capital Management, LLC | 0.25% | Add +3.2% | 31,295,967 | $3.9B |
| Capital Research Global Investors | 0.52% | Add +61.8% | 26,630,629 | $3.4B |
| T. Rowe Price Associates Inc. | 0.38% | Reduce -30.9% | 26,186,905 | $3.3B |
| Bank of America Corp. | 0.19% | Reduce -5.8% | 20,675,686 | $2.6B |
| Morgan Stanley | 0.13% | Reduce -3.7% | 17,512,450 | $2.2B |
| Bank of New York Mellon Corp | 0.38% | Reduce -7.9% | 16,312,088 | $2.1B |
| Wellington Management Group LLP | 0.35% | Add +20.8% | 15,001,671 | $1.9B |
| Massachusetts Financial Services Co. | 0.62% | Reduce -12.2% | 13,964,627 | $1.8B |
| Northern Trust Corp. | 0.22% | Reduce -0.3% | 13,469,540 | $1.7B |
| Nuveen, LLC | 0.45% | Add +68.2% | 13,122,461 | $1.7B |
| Arrowstreet Capital, Limited Partnership | 0.81% | Add +0.2% | 11,884,529 | $1.5B |
| Invesco Ltd. | 0.15% | Add +31.6% | 11,777,152 | $1.5B |
| Goldman Sachs Group Inc. | 0.19% | Add +33.5% | 11,406,674 | $1.4B |
| Jennison Associates LLC | 0.89% | Reduce -0.2% | 10,238,520 | $1.3B |
| Royal Bank of Canada | 0.23% | Reduce -8.2% | 9,768,089 | $1.2B |
| Janus Henderson Group PLC | 0.57% | Reduce -4.5% | 9,458,488 | $1.2B |
| Franklin Resources Inc. | 0.29% | Reduce -18.8% | 9,306,837 | $1.2B |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.24% | Add +10.9% | 9,287,216 | $1.2B |
| Legal & General Group Plc | 0.24% | Reduce -2.4% | 8,114,004 | $1.0B |
| Charles Schwab Investment Management Inc. | 0.14% | Add +2.1% | 7,390,201 | $933.8M |
| Vanguard Fiduciary Trust Co. | 0.23% | — | 7,090,111 | $895.8M |
| Wells Fargo & Company | 0.18% | Add +5.6% | 7,067,726 | $893.0M |
| Victory Capital Management Inc. | 0.53% | Reduce -23.9% | 6,442,036 | $814.0M |
| Deutsche Bank AG | 0.27% | Reduce -1.4% | 6,405,947 | $809.4M |
| Amundi | 0.22% | Add +10.5% | 6,381,320 | $806.3M |
| UBS Group AG | 0.14% | Add +37.7% | 6,303,318 | $796.4M |
| Neuberger Berman Group LLC | 0.57% | Reduce -11.8% | 5,906,177 | $746.2M |
| Flossbach Von Storch SE | 3.28% | Reduce -23.5% | 5,568,649 | $703.6M |
| AQR Capital Management | 0.32% | Add +57.5% | 5,649,669 | $697.1M |
| American Century Companies Inc. | 0.35% | Reduce -9.0% | 5,307,856 | $670.6M |
| Envestnet Asset Management Inc. | 0.18% | Reduce -3.9% | 5,231,684 | $661.0M |
| Barclays PLC | 0.23% | Reduce -1.6% | 5,027,734 | $635.3M |
| Voya Investment Management LLC | 0.71% | Reduce -16.6% | 4,701,866 | $594.1M |
| Alkeon Capital Management LLC | 2.64% | Add +23.3% | 4,617,948 | $583.5M |
| Edgewood Management LLC | 3.75% | Add +47.5% | 4,604,449 | $581.8M |
| Alliancebernstein L.P. | 0.18% | Reduce -21.3% | 4,074,952 | $550.7M |
| Dimensional Fund Advisors LP | 0.11% | Add +23.2% | 4,327,082 | $546.5M |
| Axiom Investors LLC | 6.00% | Add +6.8% | 4,267,387 | $539.2M |
| SG Americas Securities, LLC | 0.58% | Add +294.3% | 4,159,165 | $525.5M |
| Sumitomo Mitsui Trust Group, Inc. | 0.34% | Reduce -18.4% | 4,136,462 | $522.6M |
| Mawer Investment Management Ltd. | 3.26% | Reduce -21.6% | 3,986,761 | $503.7M |
| Stifel Financial Corp. | 0.43% | Add +1.5% | 3,707,682 | $468.5M |
| TD Asset Management Inc | 0.37% | Reduce -11.7% | 3,608,908 | $456.0M |
| Swiss National Bank | 0.26% | Add +7.4% | 3,592,300 | $453.9M |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 0.41% | Add +715.0% | 3,505,726 | $442.9M |
| National Pension Service | 0.32% | Add +2.6% | 3,324,626 | $420.1M |
| Swedbank AB | 0.43% | Reduce -22.4% | 3,240,447 | $409.4M |
| Lazard Asset Management LLC | 0.66% | Reduce -15.3% | 3,178,900 | $401.7M |
| Alecta Tjanstepension Omsesidigt | 1.95% | Reduce -52.5% | 3,175,000 | $401.1M |
| California Public Employees Retirement System | 0.24% | Reduce -24.6% | 3,119,106 | $394.1M |
| Raymond James Financial Inc. | 0.12% | Add +4.6% | 3,104,943 | $392.2M |
| Rathbones Group PLC | 1.56% | Add +8.6% | 3,083,245 | $389.6M |
| Natixis Advisors, LLC | 0.54% | Add +1.1% | 3,049,174 | $385.3M |
| Principal Financial Group Inc. | 0.20% | Add +5.3% | 2,896,337 | $366.0M |
| Egerton Capital (UK) LLP | 4.03% | Reduce -22.6% | 2,871,353 | $362.8M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.24% | Add +8.2% | 2,847,871 | $359.9M |
| Alyeska Investment Group, L.P. | 1.01% | Add +53.2% | 2,836,921 | $358.4M |
| Jones Financial Companies LLLP | 0.17% | Add +667.1% | 2,787,314 | $344.6M |
| Canada Pension Plan Investment Board | 0.22% | Add +73.3% | 2,711,727 | $342.6M |
| Vanguard Global Advisers, LLC | 0.18% | — | 2,690,527 | $339.9M |
| Allianz Asset Management GmbH | 0.39% | Reduce -4.4% | 2,658,974 | $336.0M |
| Qube Research & Technologies Ltd | 0.46% | Add +316.7% | 2,549,676 | $322.2M |
| Blair William & Co. | 0.91% | Reduce -5.0% | 2,520,319 | $318.4M |
| Marshall Wace, LLP | 0.32% | Add +375.5% | 2,337,310 | $295.3M |
| HSBC Holdings PLC | 0.18% | Add +1.6% | 2,339,773 | $294.7M |
| Worldquant Millennium Advisors LLC | 1.13% | Add +38.8% | 2,327,548 | $294.1M |
| Millennium Management | 0.23% | Add +75.5% | 2,320,894 | $293.2M |
| Rhumbline Advisers | 0.25% | Reduce -1.0% | 2,318,236 | $292.9M |
| CIBC Bancorp USA Inc. | 0.37% | — | 2,167,957 | $274.0M |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.21% | — | 1,958,904 | $247.5M |
| Local Pensions Partnership Investment Ltd | 5.33% | Reduce -13.1% | 1,951,700 | $246.6M |
| Los Angeles Capital Management LLC | 0.97% | Reduce -12.3% | 1,948,877 | $246.2M |
| Ameriprise Financial Inc. | 0.06% | Add +7.8% | 1,927,780 | $243.6M |
| Man Group plc | 0.51% | Add +2.5% | 1,925,820 | $243.3M |
| Allspring Global Investments Holdings, LLC | 0.40% | Add +9.2% | 1,867,546 | $238.5M |
| California State Teachers Retirement System | 0.25% | Reduce -2.2% | 1,875,034 | $236.9M |
| Bank of Montreal | 0.10% | Reduce -8.7% | 1,863,865 | $235.5M |
| Adage Capital Partners Gp, L.L.C. | 0.35% | Add +63.4% | 1,784,888 | $225.5M |
| Vontobel Holding Ltd. | 0.77% | Reduce -28.8% | 1,783,600 | $225.4M |
| USS Investment Management Ltd | 0.93% | Add +16.7% | 1,739,556 | $219.8M |
| First Trust Advisors LP | 0.15% | Add +42.1% | 1,689,755 | $213.5M |
| Bank Julius Baer & Co. Ltd, Zurich | 0.64% | Add +55.9% | 1,690,500 | $211.1M |
| Baron Capital (BAMCO) | 0.63% | Reduce -3.0% | 1,659,690 | $209.7M |
| Schroder Investment Management Group | 0.17% | Reduce -6.5% | 1,595,729 | $201.6M |
| Navera Investment Management Ltd. | 5.15% | Reduce -4.3% | 1,594,959 | $201.5M |
| Russell Investments Group, Ltd. | 0.22% | Add +12.4% | 1,604,857 | $201.5M |
| Capital World Investors | 0.03% | New | 1,553,787 | $196.3M |
| Fenimore Asset Management Inc | 4.37% | Reduce -6.9% | 1,550,590 | $195.9M |
| Lord, Abbett & Co. LLC | 0.67% | Reduce -5.2% | 1,538,895 | $194.4M |
| Citigroup Inc. | 0.12% | Reduce -4.5% | 1,525,408 | $192.7M |
| LPL Financial LLC | 0.05% | Reduce -2.1% | 1,502,939 | $189.9M |
| Maren Capital LLC | 9.77% | Reduce -1.4% | 1,477,762 | $186.7M |
| Mackenzie Financial Corp. | 0.22% | Reduce -24.7% | 1,476,411 | $186.5M |
"% of holder's portfolio" is APH's weight in each manager's 13F, not the share of Amphenol Corp. Class A the manager owns.