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 |
|---|---|---|---|---|---|
| STRS Ohio | 552,346 | $68.4M | 0.25% | +191,243+53.0% | Added |
| Gillespie Robinson & Grimm Inc | 552,257 | $68.3M | 4.80% | −96,522−14.9% | Reduced |
| Guinness Asset Management LTD | 561,505 | $67.9M | 1.08% | −162,806−22.5% | Reduced |
| Palisade Capital Management LLC | 548,430 | $67.9M | 1.84% | −83,219−13.2% | Reduced |
| Treasurer of the State of North Carolina | 542,146 | $67.1M | 0.21% | −21,120−3.7% | Reduced |
| Asset Management One Co.,Ltd. | 531,671 | $65.8M | 0.19% | +6,122+1.2% | Added |
| Pictet Asset Management Holding SA | 521,369 | $64.5M | 0.06% | −14,643−2.7% | Reduced |
| Zacks Investment Management | 518,951 | $64.2M | 0.51% | +92,337+21.6% | Added |
| Nisa Investment Advisors, LLC | 501,947 | $62.2M | 0.24% | −29,498−5.6% | Reduced |
| Frontier Capital Management Co LLC | 495,116 | $61.3M | 0.55% | −10,775−2.1% | Reduced |
| Roffman Miller Associates Inc | 492,478 | $60.9M | 3.41% | −19,915−3.9% | Reduced |
| Mountain Pacific Investment Advisers Inc | 478,038 | $59.2M | 9.26% | −482,808−50.2% | Reduced |
| Quantinno Capital Management LP | 473,500 | $58.6M | 0.16% | +145,809+44.5% | Added |
| Mn Services Vermogensbeheer B.V. | 461,956 | $57.2M | 0.37% | +8,900+2.0% | Added |
| Rockefeller Capital Management L.P. | 450,176 | $55.7M | 0.11% | −24,506−5.2% | Reduced |
| KLP Kapitalforvaltning AS | 437,824 | $54.2M | 0.22% | +1,100+0.3% | Added |
| Crestwood Advisors Group LLC | 433,716 | $53.7M | 0.91% | −9,355−2.1% | Reduced |
| Credit Agricole S A | 433,114 | $53.6M | 0.18% | +433,114 | New |
| State of New Jersey Common Pension Fund D | 427,489 | $52.9M | 0.19% | +20,391+5.0% | Added |
| Two Sigma Advisers, LP | 420,800 | $52.1M | 0.10% | −489,000−53.7% | Reduced |
| State of Tennessee, Treasury Department | 418,378 | $51.8M | 0.17% | +72,910+21.1% | Added |
| DnB Asset Management AS | 418,148 | $51.7M | 0.19% | −96,945−18.8% | Reduced |
| State of Michigan Retirement System | 415,574 | $51.4M | 0.25% | +1,300+0.3% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 414,801 | $51.3M | 0.05% | −91,980−18.1% | Reduced |
| Rafferty Asset Management, LLC | 414,479 | $51.3M | 0.17% | +15,006+3.8% | Added |
| Nomura Asset Management Co Ltd | 411,904 | $51.0M | 0.13% | −2,520−0.6% | Reduced |
| Campbell Newman Asset Management Inc | 409,910 | $50.7M | 3.71% | −39,611−8.8% | Reduced |
| TimesSquare Capital Management, LLC | 409,189 | $50.6M | 0.72% | −21,393−5.0% | Reduced |
| Geneva Capital Management LLC | 407,236 | $50.4M | 0.86% | −110,188−21.3% | Reduced |
| Mar Vista Investment Partners LLC | 406,710 | $50.3M | 4.37% | −16,485−3.9% | Reduced |
| McDaniel Terry & Co | 405,867 | $50.2M | 4.04% | −2,335−0.6% | Reduced |
| Liontrust Investment Partners LLP | 402,888 | $49.9M | 0.73% | +182,841+83.1% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 401,451 | $49.5M | 0.13% | +143,321+55.5% | Added |
| Nippon Life Global Investors Americas, Inc. | 395,060 | $48.9M | 2.06% | +245,880+164.8% | Added |
| Factory Mutual Insurance Co | 393,634 | $48.7M | 0.47% | 00.0% | Unchanged |
| QRG Capital Management, Inc. | 388,843 | $48.1M | 0.58% | −610,171−61.1% | Reduced |
| Amanah Holdings Trust | 382,716 | $47.4M | 9.46% | 00.0% | Unchanged |
| Freestone Grove Partners LP | 380,148 | $47.0M | 0.35% | +380,148 | New |
| Umb Bank N A | 378,833 | $46.9M | 0.69% | −2,366−0.6% | Reduced |
| Public Sector Pension Investment Board | 367,968 | $45.5M | 0.17% | +15,610+4.4% | Added |
| MetLife Investment Management | 359,774 | $44.5M | 0.21% | +359,774 | New |
| Brown Advisory Inc | 358,339 | $44.3M | 0.06% | −4,035−1.1% | Reduced |
| Norinchukin Bank, The | 357,407 | $44.2M | 0.59% | −182,200−33.8% | Reduced |
| Farmers & Merchants Investments Inc | 355,321 | $44.0M | 1.25% | −24,767−6.5% | Reduced |
| Bank of Nova Scotia | 354,652 | $43.9M | 0.08% | −34,014−8.8% | Reduced |
| Arizona State Retirement System | 353,274 | $43.7M | 0.23% | −982−0.3% | Reduced |
| Kepler Cheuvreux (Suisse) SA | 351,385 | $43.5M | 2.34% | +351,385 | New |
| Renaissance Group LLC | 350,848 | $43.4M | 1.64% | −49,951−12.5% | Reduced |
| ProShare Advisors LLC | 343,286 | $42.5M | 0.09% | −21,171−5.8% | Reduced |
| M.D. Sass Investors Services, Inc. | 336,397 | $41.6M | 3.40% | −268,401−44.4% | Reduced |
| Resources Management Corp | 333,935 | $41.3M | 5.34% | −19,222−5.4% | Reduced |
| Fiduciary Trust Co | 329,340 | $40.8M | 0.46% | −10,325−3.0% | Reduced |
| Comerica Bank | 328,166 | $40.6M | 0.15% | −8,404−2.5% | Reduced |
| Dearborn Partners LLC | 327,599 | $40.5M | 1.90% | −4,377−1.3% | Reduced |
| Cetera Investment Advisers | 325,506 | $40.3M | 0.05% | +103,116+46.4% | Added |
| Manitou Investment Management Ltd. | 323,908 | $40.1M | 6.99% | −5,773−1.8% | Reduced |
| Gotham Asset Management, LLC | 319,310 | $39.5M | 0.17% | +123,450+63.0% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 316,689 | $39.2M | 0.34% | −4,075−1.3% | Reduced |
| Dudley & Shanley, Inc. | 316,596 | $39.2M | 6.30% | −111,404−26.0% | Reduced |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 315,540 | $39.0M | 0.32% | +51,429+19.5% | Added |
| Forsta Ap-Fonden | 313,000 | $38.7M | 0.23% | +14,300+4.8% | Added |
| JLB & Associates Inc | 312,108 | $38.6M | 5.08% | −17,782−5.4% | Reduced |
| Jones Financial Companies LLLP | 314,297 | $38.5M | 0.03% | +57,846+22.6% | Added |
| North Point Portfolio Managers Corp | 311,074 | $38.5M | 6.37% | −5,694−1.8% | Reduced |
| Czech National Bank | 310,088 | $38.4M | 0.26% | +14,419+4.9% | Added |
| FengHe Fund Management Pte. Ltd. | 308,600 | $38.2M | 3.49% | +185,300+150.3% | Added |
| Calamos Advisors LLC | 307,018 | $38.0M | 0.15% | +410+0.1% | Added |
| Swiss Life Asset Management Ltd | 298,958 | $37.0M | 0.19% | +35,037+13.3% | Added |
| South Street Advisors LLC | 298,126 | $36.9M | 4.84% | −37,239−11.1% | Reduced |
| Main Street Research LLC | 297,311 | $36.8M | 1.99% | +297,311 | New |
| Gradient Investments LLC | 294,904 | $36.5M | 0.61% | +7,116+2.5% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 293,188 | $36.3M | 0.18% | −3,473−1.2% | Reduced |
| CIBC World Markets Inc. | 291,887 | $36.1M | 0.07% | +42,987+17.3% | Added |
| Jane Street Group, LLC | 291,737 | $36.1M | 0.04% | −1,504,522−83.8% | Reduced |
| NorthCrest Asset Manangement, LLC | 287,858 | $35.8M | 0.86% | +3,016+1.1% | Added |
| Xponance, Inc. | 289,456 | $35.8M | 0.28% | −929−0.3% | Reduced |
| Achmea Investment Management B.V. | 284,231 | $35.2M | 0.44% | −7,393−2.5% | Reduced |
| Janney Montgomery Scott LLC | 283,579 | $35.1M | 0.08% | +20,836+7.9% | Added |
| Ieq Capital, LLC | 282,993 | $35.0M | 0.11% | +18,186+6.9% | Added |
| Addenda Capital Inc. | 281,885 | $34.9M | 1.03% | +81,661+40.8% | Added |
| Stephens Inc | 280,847 | $34.8M | 0.44% | −20,871−6.9% | Reduced |
| Whittier Trust Co | 280,826 | $34.3M | 0.39% | +7,102+2.6% | Added |
| Amalgamated Bank | 276,023 | $34.2M | 0.24% | +5,406+2.0% | Added |
| Aquatic Capital Management LLC | 273,832 | $33.9M | 0.63% | −78,329−22.2% | Reduced |
| Oppenheimer Asset Management Inc. | 271,766 | $33.6M | 0.37% | +26,175+10.7% | Added |
| Daiwa Securities Group Inc. | 268,145 | $33.2M | 0.11% | +45,853+20.6% | Added |
| Munich Reinsurance Co Stock Corp in Munich | 267,071 | $33.1M | 0.83% | +267,071 | New |
| Cresset Asset Management, LLC | 265,361 | $32.9M | 0.14% | −53,115−16.7% | Reduced |
| Noesis Capital Mangement Corp | 261,421 | $32.4M | 5.02% | −80,627−23.6% | Reduced |
| Cornerstone Capital, Inc. | 260,775 | $32.3M | 3.16% | +6,648+2.6% | Added |
| Retirement Systems of Alabama | 260,445 | $32.2M | 0.11% | +889+0.3% | Added |
| North Star Asset Management Inc | 257,502 | $31.9M | 1.29% | −7,668−2.9% | Reduced |
| Jump Financial, LLC | 257,426 | $31.9M | 0.40% | −143,740−35.8% | Reduced |
| Weiss Asset Management LP | 256,400 | $31.7M | 0.45% | −130,412−33.7% | Reduced |
| HighTower Advisors, LLC | 256,145 | $31.7M | 0.04% | +27,718+12.1% | Added |
| Employees Retirement System of Texas | 254,654 | $31.5M | 0.25% | +147,644+138.0% | Added |
| Wealth Enhancement Advisory Services, LLC | 251,997 | $31.4M | 0.05% | −2,421−1.0% | Reduced |
| First Long Island Investors, LLC | 251,825 | $31.2M | 2.32% | −1,016−0.4% | Reduced |
| TCW Group Inc | 248,727 | $30.8M | 0.26% | −19,075−7.1% | Reduced |
| Jacobson & Schmitt Advisors, LLC | 248,300 | $30.7M | 5.27% | −24,081−8.8% | Reduced |