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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; 2,340 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, Q1 2025

Institutional positions in Amphenol Corp as of Mar 31, 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
1,427
+43 vs. Q4 2024
Shares held
1.15B
+22.7M (+2.0%) vs. Q4 2024
Total value
$75.5B
−$2.95B (−3.8%) vs. Q4 2024
New holders
179
604 more added
Sold out
136
470 more reduced

23 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: 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 holdersQ1 2025: 1,427 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: 2,340 institutions
Value heldQ1 2025: $75.5B
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 20262,340$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, Q1 2025

Shares, value and share of portfolio for each institution holding Amphenol Corp; share changes are against Q4 2024.

Institutions holding APH in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc154,998,780$10.2B0.18%+2,870,933+1.9%Added
FMR LLC104,940,369$6.88B0.44%+689,794+0.7%Added
BlackRock, Inc.101,875,225$6.68B0.14%+3,296,225+3.3%Added
State Street Corp55,312,546$3.64B0.15%+1,178,361+2.2%Added
Price T Rowe Associates Inc42,108,425$2.76B0.34%−16,803,388−28.5%Reduced
Bank of New York Mellon Corp31,166,556$2.04B0.40%−1,779,076−5.4%Reduced
Geode Capital Management, LLC26,296,681$1.72B0.14%+971,028+3.8%Added
Bank of America Corp25,441,980$1.67B0.15%+488,389+2.0%Added
Massachusetts Financial Services Co20,676,055$1.36B0.45%−1,460,459−6.6%Reduced
Norges Bank19,911,699$1.31B0.18%+58,656+0.3%Added
Morgan Stanley19,765,127$1.30B0.09%−116,703−0.6%Reduced
JPMorgan Chase & Co17,788,223$1.17B0.09%−57,378−0.3%Reduced
T. Rowe Price Investment Management, Inc.16,743,239$1.10B0.73%+11,092,282+196.3%Added
Royal Bank of Canada13,013,749$853.6M0.19%+16,361+0.1%Added
Northern Trust Corp12,796,032$839.3M0.12%−269,770−2.1%Reduced
Wellington Management Group LLP12,168,971$798.2M0.15%+5,154,860+73.5%Added
Flossbach Von Storch AG11,397,719$747.6M3.24%−916,685−7.4%Reduced
Amundi11,589,011$729.5M0.27%−2,459,992−17.5%Reduced
Franklin Resources Inc11,060,901$725.5M0.21%+4,107,670+59.1%Added
Alecta Pensionsforsakring, Omsesidigt10,941,600$717.7M4.02%−2,090,000−16.0%Reduced
Janus Henderson Group PLC10,268,334$683.8M0.37%+3,012,044+41.5%Added
Invesco Ltd.9,198,997$603.4M0.11%+141,069+1.6%Added
Mawer Investment Management Ltd.8,865,933$581.5M2.81%−2,483,941−21.9%Reduced
Lazard Asset Management LLC8,831,645$579.3M0.89%−1,569,838−15.1%Reduced
UBS Asset Management Americas Inc8,758,951$574.5M0.15%+7,573,750+639.0%Added
Alliancebernstein L.P.8,739,553$573.2M0.21%+92,450+1.1%Added
Goldman Sachs Group Inc7,732,690$507.2M0.10%+2,136,338+38.2%Added
Legal & General Group Plc7,441,588$488.1M0.13%+65,802+0.9%Added
Nuveen, LLC7,270,046$476.8M0.15%+7,270,046New
Neuberger Berman Group LLC7,112,553$466.5M0.39%−1,088,314−13.3%Reduced
Charles Schwab Investment Management Inc6,943,189$455.4M0.09%+182,919+2.7%Added
Stifel Financial Corp6,657,877$436.7M0.46%−229,278−3.3%Reduced
Barclays PLC5,831,794$382.5M0.17%+529,169+10.0%Added
Capital Research Global Investors5,805,553$380.8M0.08%+1,563,463+36.9%Added
Envestnet Asset Management Inc5,673,208$372.1M0.12%+659,199+13.1%Added
Deutsche Bank AG5,652,237$370.7M0.15%+1,756,039+45.1%Added
California Public Employees Retirement System5,460,245$358.1M0.25%−129,150−2.3%Reduced
Wells Fargo & Company5,411,488$354.9M0.09%+1,150,821+27.0%Added
Voya Investment Management LLC4,922,602$322.9M0.36%+113,399+2.4%Added
Sumitomo Mitsui Trust Holdings, Inc.4,922,202$322.8M0.23%−120,661−2.4%Reduced
Allianz Asset Management GmbH4,613,025$302.6M0.45%+1,526,568+49.5%Added
UBS Group AG4,136,002$271.3M0.06%+1,062,693+34.6%Added
Mackenzie Financial Corp3,717,141$243.8M0.35%−1,847,111−33.2%Reduced
BNP Paribas Arbitrage, SA3,713,778$243.6M0.19%+252,481+7.3%Added
Dimensional Fund Advisors LP3,697,489$242.5M0.06%+72,280+2.0%Added
Rathbone Brothers plc3,419,637$224.3M1.08%+200,393+6.2%Added
Swiss National Bank3,400,300$223.0M0.16%−1,7000.0%Reduced
Local Pensions Partnership Investment Ltd3,390,600$222.4M4.42%−78,900−2.3%Reduced
Capital International Investors3,279,262$215.1M0.04%+9,049+0.3%Added
AQR Capital Management LLC3,275,831$212.8M0.22%+2,529,319+338.8%Added
Vontobel Holding Ltd.3,106,242$203.7M0.74%+1,228,271+65.4%Added
Blair William & Co3,027,350$198.6M0.60%−42,844−1.4%Reduced
TD Asset Management Inc3,025,590$198.4M0.18%−268,518−8.2%Reduced
Principal Financial Group Inc2,883,159$189.1M0.11%+284,314+10.9%Added
National Pension Service2,867,820$188.1M0.18%+107,275+3.9%Added
Natixis Advisors, L.P.2,850,552$187.0M0.35%+5,622+0.2%Added
Kayne Anderson Rudnick Investment Management LLC2,686,754$176.2M0.43%−210,758−7.3%Reduced
Veritas Investment Partners (UK) Ltd.2,614,513$171.5M3.14%−627,962−19.4%Reduced
CIBC Private Wealth Group, LLC2,831,770$170.1M0.36%−34,443−1.2%Reduced
Alkeon Capital Management LLC2,550,953$167.3M0.99%+150,953+6.3%Added
Madison Asset Management, LLC2,546,347$167.0M1.86%+274,945+12.1%Added
HSBC Holdings PLC2,538,754$166.3M0.11%−613,143−19.5%Reduced
Jensen Investment Management Inc2,517,591$165.1M1.83%−2,085−0.1%Reduced
Raymond James Financial Inc2,424,033$159.0M0.06%+850,582+54.1%Added
Rhumbline Advisers2,414,238$158.3M0.15%+55,119+2.3%Added
Los Angeles Capital Management LLC2,391,868$156.9M0.69%+707,272+42.0%Added
Fenimore Asset Management Inc2,296,616$150.6M3.19%−7,869−0.3%Reduced
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.2,230,780$146.3M0.13%+237,451+11.9%Added
Ameriprise Financial Inc2,273,406$144.1M0.04%+44,578+2.0%Added
Bank of Montreal2,190,567$143.7M0.08%−142,208−6.1%Reduced
Bank Julius Baer & Co. Ltd, Zurich2,162,704$142.4M0.46%+1,919,921+790.8%Added
London Co of Virginia2,129,022$139.6M0.80%−1,050,525−33.0%Reduced
Man Group plc2,107,130$138.2M0.41%−235,177−10.0%Reduced
Carmignac Gestion2,071,000$135.8M2.23%+1,097,000+112.6%Added
James Hambro & Partners2,052,766$134.7M5.62%+102,875+5.3%Added
Arrowstreet Capital, Limited Partnership1,976,930$129.7M0.11%−711,303−26.5%Reduced
Impax Asset Management Group plc1,951,265$128.0M0.77%+1,951,265New
California State Teachers Retirement System1,893,782$124.2M0.15%−10,605−0.6%Reduced
Snyder Capital Management L P1,877,410$123.1M2.69%−154,675−7.6%Reduced
Bamco Inc1,853,052$121.5M0.36%+2,284+0.1%Added
National Bank of Canada1,845,855$121.1M0.14%+52,507+2.9%Added
Public Employees Retirement Association of Colorado1,837,652$120.5M0.51%−3,042−0.2%Reduced
Caisse de Depot Et Placement du Quebec1,835,151$120.4M0.25%−406,284−18.1%Reduced
Citigroup Inc1,774,472$116.4M0.09%+709,827+66.7%Added
Egerton Capital (UK) LLP1,762,623$115.6M1.33%+1,762,623New
Glenmede Trust Co NA1,666,912$109.3M0.59%+69,522+4.4%Added
Maren Capital LLC1,639,863$107.6M7.33%+237,395+16.9%Added
Russell Investments Group, Ltd.1,623,265$106.6M0.15%+50,211+3.2%Added
New York State Common Retirement Fund1,622,160$106.4M0.16%−294,581−15.4%Reduced
Tandem Investment Advisors, Inc.1,597,132$104.8M3.65%+433,063+37.2%Added
Universal- Beteiligungs- und Servicegesellschaft mbH1,487,721$97.6M0.20%+37,939+2.6%Added
Davis R M Inc1,474,291$96.7M1.94%+6,930+0.5%Added
Harding Loevner LP1,416,441$92.9M0.71%+1,416,441New
Danske Bank A/S1,404,603$92.1M0.28%+790,130+128.6%Added
Atalan Capital Partners, LP1,395,000$91.5M8.70%00.0%Unchanged
Chilton Investment Co LLC1,381,687$90.6M2.21%+1,316,880+2,032.0%Added
NZS Capital, LLC1,375,895$90.2M4.07%+402,630+41.4%Added
Adage Capital Partners GP, L.L.C.1,372,820$90.0M0.17%+103,900+8.2%Added
Cerity Partners LLC1,357,137$89.0M0.18%+191,520+16.4%Added
First Trust Advisors LP1,300,879$85.3M0.08%+55,052+4.4%Added