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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, 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.

Institutional holdersQ3 2025: 1,829 institutions
Q1 2021: 810 institutionsQ2 2021: 821 institutionsQ3 2021: 839 institutionsQ4 2021: 892 institutionsQ1 2022: 896 institutionsQ2 2022: 898 institutionsQ3 2022: 911 institutionsQ4 2022: 951 institutionsQ1 2023: 980 institutionsQ2 2023: 983 institutionsQ3 2023: 1,010 institutionsQ4 2023: 1,085 institutionsQ1 2024: 1,157 institutionsQ2 2024: 1,298 institutionsQ3 2024: 1,295 institutionsQ4 2024: 1,407 institutionsQ1 2025: 1,427 institutionsQ2 2025: 1,648 institutionsQ3 2025: 1,829 institutionsQ4 2025: 2,059 institutionsQ1 2026: 2,136 institutionsQ2 2026: 2,339 institutions
Value heldQ3 2025: $141.0B
Q1 2021: $37.3BQ2 2021: $38.9BQ3 2021: $42.0BQ4 2021: $50.2BQ1 2022: $42.7BQ2 2022: $36.2BQ3 2022: $38.1BQ4 2022: $43.3BQ1 2023: $46.6BQ2 2023: $48.4BQ3 2023: $47.7BQ4 2023: $57.8BQ1 2024: $66.7BQ2 2024: $77.0BQ3 2024: $73.8BQ4 2024: $79.6BQ1 2025: $75.5BQ2 2025: $114.7BQ3 2025: $141.0BQ4 2025: $156.8BQ1 2026: $145.4BQ2 2026: $205.1B
Institutions holding APH and their total value by quarter
QuarterHoldersValue
Q2 20262,339$205.1B
Q1 20262,136$145.4B
Q4 20252,059$156.8B
Q3 20251,829$141.0B
Q2 20251,648$114.7B
Q1 20251,427$75.5B
Q4 20241,407$79.6B
Q3 20241,295$73.8B
Q2 20241,298$77.0B
Q1 20241,157$66.7B
Q4 20231,085$57.8B
Q3 20231,010$47.7B
Q2 2023983$48.4B
Q1 2023980$46.6B
Q4 2022951$43.3B
Q3 2022911$38.1B
Q2 2022898$36.2B
Q1 2022896$42.7B
Q4 2021892$50.2B
Q3 2021839$42.0B
Q2 2021821$38.9B
Q1 2021810$37.3B

Institutions, Q3 2025

Shares, value and share of portfolio for each institution holding Amphenol Corp; share changes are against Q2 2025.

Institutions holding APH in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Geneva Capital Management LLC407,236$50.4M0.86%−110,188−21.3%Reduced
TimesSquare Capital Management, LLC409,189$50.6M0.72%−21,393−5.0%Reduced
Campbell Newman Asset Management Inc409,910$50.7M3.71%−39,611−8.8%Reduced
Nomura Asset Management Co Ltd411,904$51.0M0.13%−2,520−0.6%Reduced
Rafferty Asset Management, LLC414,479$51.3M0.17%+15,006+3.8%Added
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main414,801$51.3M0.05%−91,980−18.1%Reduced
State of Michigan Retirement System415,574$51.4M0.25%+1,300+0.3%Added
DnB Asset Management AS418,148$51.7M0.19%−96,945−18.8%Reduced
State of Tennessee, Treasury Department418,378$51.8M0.17%+72,910+21.1%Added
Two Sigma Advisers, LP420,800$52.1M0.10%−489,000−53.7%Reduced
State of New Jersey Common Pension Fund D427,489$52.9M0.19%+20,391+5.0%Added
Credit Agricole S A433,114$53.6M0.18%+433,114New
Crestwood Advisors Group LLC433,716$53.7M0.91%−9,355−2.1%Reduced
KLP Kapitalforvaltning AS437,824$54.2M0.22%+1,100+0.3%Added
Rockefeller Capital Management L.P.450,176$55.7M0.11%−24,506−5.2%Reduced
Mn Services Vermogensbeheer B.V.461,956$57.2M0.37%+8,900+2.0%Added
Quantinno Capital Management LP473,500$58.6M0.16%+145,809+44.5%Added
Mountain Pacific Investment Advisers Inc478,038$59.2M9.26%−482,808−50.2%Reduced
Roffman Miller Associates Inc492,478$60.9M3.41%−19,915−3.9%Reduced
Frontier Capital Management Co LLC495,116$61.3M0.55%−10,775−2.1%Reduced
Nisa Investment Advisors, LLC501,947$62.2M0.24%−29,498−5.6%Reduced
Zacks Investment Management518,951$64.2M0.51%+92,337+21.6%Added
Pictet Asset Management Holding SA521,369$64.5M0.06%−14,643−2.7%Reduced
Asset Management One Co.,Ltd.531,671$65.8M0.19%+6,122+1.2%Added
Treasurer of the State of North Carolina542,146$67.1M0.21%−21,120−3.7%Reduced
Palisade Capital Management LLC548,430$67.9M1.84%−83,219−13.2%Reduced
Guinness Asset Management LTD561,505$67.9M1.08%−162,806−22.5%Reduced
Gillespie Robinson & Grimm Inc552,257$68.3M4.80%−96,522−14.9%Reduced
STRS Ohio552,346$68.4M0.25%+191,243+53.0%Added
London Co of Virginia554,526$68.6M0.38%−1,489,280−72.9%Reduced
Reynders McVeigh Capital Management, LLC557,282$69.0M3.23%−12,530−2.2%Reduced
Logan Capital Management Inc559,395$69.2M2.92%+13,586+2.5%Added
Robeco Institutional Asset Management B.V.577,962$71.5M0.10%−16,035−2.7%Reduced
Public Employees Retirement System of Ohio583,077$72.2M0.23%+15,437+2.7%Added
Wedge Capital Management L L P591,796$73.2M1.24%−82,455−12.2%Reduced
Varenne Capital Partners601,936$74.5M15.72%−171,809−22.2%Reduced
Foster Dykema Cabot & Partners, LLC601,421$74.5M4.89%−4,794−0.8%Reduced
Creative Planning603,005$74.6M0.06%+30,704+5.4%Added
Dundas Partners LLP606,161$75.0M5.30%−11,221−1.8%Reduced
Mariner, LLC613,078$75.9M0.10%+43,221+7.6%Added
Chevy Chase Trust Holdings, Inc.623,327$77.1M0.21%−15,841−2.5%Reduced
CI Private Wealth, LLC629,686$77.9M0.12%+37,614+6.4%Added
Manning & Napier Advisors LLC631,373$78.1M1.00%−358,977−36.2%Reduced
Sandhill Capital Partners LLC632,231$78.2M5.46%−6,460−1.0%Reduced
Alta Capital Management LLC636,312$78.7M4.38%−36,564−5.4%Reduced
US Bancorp645,940$79.9M0.09%−80,414−11.1%Reduced
Howland Capital Management LLC650,259$80.6M3.07%−17,369−2.6%Reduced
Teacher Retirement System of Texas651,977$80.7M0.32%+27,878+4.5%Added
State of Wisconsin Investment Board653,513$80.9M0.19%−18,731−2.8%Reduced
Toronto Dominion Bank654,577$80.9M0.16%+19,103+3.0%Added
Cartenna Capital, LP675,000$83.5M4.36%+675,000New
Country Trust Bank675,628$83.6M1.83%−133,220−16.5%Reduced
Royal London Asset Management Ltd693,883$85.9M0.18%−12,403−1.8%Reduced
Zurich Insurance Group Ltd704,410$87.2M0.62%−45,614−6.1%Reduced
Compass Capital Management, Inc726,623$89.9M4.76%−111,090−13.3%Reduced
Summit Trail Advisors, LLC728,697$90.3M1.25%+9,507+1.3%Added
Benjamin Edwards Inc731,023$90.5M1.02%+14,343+2.0%Added
Bridgewater Associates, LP735,263$91.0M0.36%+735,263New
Mitsubishi UFJ Trust & Banking Corp735,931$91.1M0.20%−8,114−1.1%Reduced
Nordea Investment Management AB742,949$91.3M0.08%−388,860−34.4%Reduced
Thrivent Financial for Lutherans751,791$93.0M0.18%−30,424−3.9%Reduced
Birch Hill Investment Advisors LLC757,569$93.7M3.96%−17,783−2.3%Reduced
AXA Investment Managers S.A.782,586$96.8M0.26%+782,586New
Sands Capital Management, LLC795,234$98.4M0.27%−144,887−15.4%Reduced
J. Stern & Co. LLP805,073$99.6M7.54%−66,736−7.7%Reduced
Ensign Peak Advisors, Inc809,264$100.1M0.16%+202,343+33.3%Added
Analog Century Management LP809,896$100.2M5.38%−132,965−14.1%Reduced
B. Metzler seel. Sohn & Co. AG819,677$101.4M0.89%−90,485−9.9%Reduced
Captrust Financial Advisors827,600$102.4M0.21%+11,182+1.4%Added
Mercer Global Advisors Inc835,122$103.3M0.17%+73,607+9.7%Added
Lazard Freres Gestion S.A.S.835,479$103.4M1.97%−83,170−9.1%Reduced
United Super Pty Ltd in its capacity as Trustee for the Construction & Building Unions Superannuation Fund835,996$103.5M3.77%−81,838−8.9%Reduced
State Farm Mutual Automobile Insurance Co837,852$103.7M0.09%00.0%Unchanged
Resona Asset Management Co.,Ltd.847,188$104.2M0.49%−116,538−12.1%Reduced
Williams Jones Wealth Management, LLC.843,540$104.4M1.19%−10,180−1.2%Reduced
Korea Investment CORP867,721$107.4M0.22%+14,143+1.7%Added
Jensen Investment Management Inc869,464$107.6M1.34%−1,742,545−66.7%Reduced
Caisse de Depot Et Placement du Quebec875,350$108.3M0.20%−258,263−22.8%Reduced
NZS Capital, LLC882,126$109.2M3.34%−440,817−33.3%Reduced
Susquehanna International Group, LLP891,466$110.3M0.16%+486,961+120.4%Added
Keybank National Association905,577$112.1M0.39%−79,174−8.0%Reduced
Select Equity Group, L.P.930,118$115.1M0.49%+253,232+37.4%Added
New York State Teachers Retirement System930,258$115.1M0.22%+33,878+3.8%Added
Aviva PLC939,306$116.2M0.21%+81,665+9.5%Added
Congress Asset Management Co968,173$119.8M0.80%+679,617+235.5%Added
Cookson Peirce & Co Inc976,281$120.8M4.95%−29,969−3.0%Reduced
Canada Pension Plan Investment Board993,603$123.0M0.09%+46,257+4.9%Added
Standard Life Aberdeen plc1,017,280$123.1M0.19%+34,450+3.5%Added
Allspring Global Investments Holdings, LLC1,003,248$125.1M0.20%−73,026−6.8%Reduced
Fiera Capital Corp1,017,080$125.9M0.41%−8,940−0.9%Reduced
Bradley Foster & Sargent Inc1,018,352$126.0M1.86%−12,345−1.2%Reduced
National Bank of Canada1,022,573$126.5M0.14%−31,964−3.0%Reduced
Manufacturers Life Insurance Company, The1,033,934$127.9M0.11%−84,736−7.6%Reduced
LPL Financial LLC1,053,149$130.3M0.04%+128,195+13.9%Added
DekaBank Deutsche Girozentrale1,086,445$130.5M0.22%00.0%Unchanged
Port Capital LLC1,078,749$133.5M5.56%−93,018−7.9%Reduced
Storebrand Asset Management AS1,087,504$134.6M0.36%+667,002+158.6%Added
Adage Capital Partners GP, L.L.C.1,087,720$134.6M0.21%−12,700−1.2%Reduced
Great West Life Assurance Co1,114,721$134.9M0.19%+24,921+2.3%Added
KBC Group NV1,094,095$135.4M0.32%+555,925+103.3%Added