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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, Q4 2025

Institutional positions in Amphenol Corp as of Dec 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
2,059
+262 vs. Q3 2025
Shares held
1.24B
+99.5M (+8.8%) vs. Q3 2025
Total value
$156.8B
+$16.1B (+11.5%) vs. Q3 2025
New holders
345
780 more added
Sold out
83
748 more reduced

32 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2025: 2,059 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 heldQ4 2025: $156.8B
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, Q4 2025

Shares, value and share of portfolio for each institution holding Amphenol Corp; share changes are against Q3 2025.

Institutions holding APH in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc126,553,498$17.1B0.25%+1,322,682+1.1%Added
BlackRock, Inc.106,137,606$14.3B0.24%+5,289,506+5.2%Added
FMR LLC86,420,795$11.7B0.60%−13,395,833−13.4%Reduced
State Street Corp56,913,598$7.71B0.26%+888,526+1.6%Added
Price T Rowe Associates Inc37,923,065$5.12B0.55%−6,148,762−14.0%Reduced
JPMorgan Chase & Co34,325,148$4.64B0.31%+17,391,036+102.7%Added
Geode Capital Management, LLC30,318,652$4.09B0.25%+748,813+2.5%Added
Capital International Investors23,680,749$3.20B0.50%+5,674,225+31.5%Added
Norges Bank22,585,063$3.05B0.33%+22,585,063New
Bank of America Corp21,957,452$2.97B0.22%−688,717−3.0%Reduced
Morgan Stanley18,185,947$2.46B0.15%+64,649+0.4%Added
Bank of New York Mellon Corp17,710,133$2.39B0.42%−6,290,275−26.2%Reduced
Capital Research Global Investors16,456,876$2.22B0.41%+933,791+6.0%Added
Massachusetts Financial Services Co15,913,076$2.15B0.69%−2,623,367−14.2%Reduced
Northern Trust Corp13,510,266$1.83B0.23%+592,868+4.6%Added
Wellington Management Group LLP12,420,002$1.68B0.29%+3,576,596+40.4%Added
Arrowstreet Capital, Limited Partnership11,858,355$1.60B0.94%+4,578,898+62.9%Added
Franklin Resources Inc11,462,227$1.55B0.38%−1,385,011−10.8%Reduced
Royal Bank of Canada10,637,754$1.44B0.25%−905,046−7.8%Reduced
Jennison Associates LLC10,257,379$1.39B0.83%+7,930,532+340.8%Added
T. Rowe Price Investment Management, Inc.10,162,140$1.37B0.87%−2,041,357−16.7%Reduced
Janus Henderson Group PLC9,904,627$1.34B0.60%−215,572−2.1%Reduced
Invesco Ltd.8,950,722$1.21B0.11%−114,336−1.3%Reduced
Goldman Sachs Group Inc8,541,196$1.15B0.16%−3,634,735−29.9%Reduced
Victory Capital Management Inc8,462,907$1.14B0.65%+1,116,031+15.2%Added
UBS Asset Management Americas Inc8,374,767$1.13B0.24%+297,379+3.7%Added
Legal & General Group Plc8,314,178$1.12B0.25%−19,960−0.2%Reduced
Nuveen, LLC7,799,973$1.05B0.28%+9,292+0.1%Added
Flossbach Von Storch AG7,280,823$983.9M3.90%−1,526,525−17.3%Reduced
Charles Schwab Investment Management Inc7,238,100$978.2M0.15%+69,656+1.0%Added
Neuberger Berman Group LLC6,696,732$905.0M0.67%+705,266+11.8%Added
Wells Fargo & Company6,691,085$904.2M0.18%+144,257+2.2%Added
Alecta Pensionsforsakring, Omsesidigt6,690,000$904.2M3.98%−1,737,600−20.6%Reduced
Deutsche Bank AG6,495,823$877.8M0.29%+284,525+4.6%Added
American Century Companies Inc5,833,175$788.3M0.40%+3,437,013+143.4%Added
Amundi5,777,061$780.7M0.21%+13,708+0.2%Added
Voya Investment Management LLC5,637,864$761.9M0.75%+529,539+10.4%Added
Envestnet Asset Management Inc5,445,331$735.9M0.22%−588,835−9.8%Reduced
Alliancebernstein L.P.5,174,320$699.3M0.22%−2,017,275−28.1%Reduced
Barclays PLC5,106,751$690.1M0.28%−1,658,247−24.5%Reduced
Mawer Investment Management Ltd.5,085,546$687.3M3.85%−824,837−14.0%Reduced
Sumitomo Mitsui Trust Holdings, Inc.5,066,461$684.7M0.40%−286,223−5.3%Reduced
UBS Group AG4,578,990$618.8M0.12%+768,827+20.2%Added
Swedbank AB4,174,490$564.1M0.55%−439,722−9.5%Reduced
California Public Employees Retirement System4,137,018$559.1M0.32%+168,437+4.2%Added
TD Asset Management Inc4,088,713$552.5M0.44%+2,100,544+105.7%Added
Axiom Investors LLC3,994,417$539.8M4.74%+1,023,282+34.4%Added
Lazard Asset Management LLC3,752,993$507.2M0.86%−2,431,599−39.3%Reduced
Alkeon Capital Management LLC3,744,603$506.0M2.21%−360,000−8.8%Reduced
Winslow Capital Management, LLC3,702,170$501.7M1.68%−733,291−16.5%Reduced
Egerton Capital (UK) LLP3,707,911$501.1M5.45%−115,511−3.0%Reduced
Stifel Financial Corp3,651,629$493.5M0.44%−346,681−8.7%Reduced
AQR Capital Management LLC3,587,990$484.9M0.25%−222,851−5.8%Reduced
Dimensional Fund Advisors LP3,513,336$474.8M0.10%−70,924−2.0%Reduced
Swiss National Bank3,345,700$452.1M0.27%−141,100−4.0%Reduced
National Pension Service3,240,850$438.0M0.32%−116,449−3.5%Reduced
Edgewood Management LLC3,121,475$421.8M2.01%+3,121,475New
Natixis Advisors, L.P.3,015,251$407.5M0.58%−354,595−10.5%Reduced
Raymond James Financial Inc2,969,286$401.3M0.12%+212,614+7.7%Added
Rathbone Brothers plc2,839,137$383.7M1.50%−129,024−4.3%Reduced
CIBC Private Wealth Group, LLC2,831,577$382.7M0.65%−64,569−2.2%Reduced
Lone Pine Capital LLCSuperinvestorLone Pine Capital2,809,773$379.7M2.79%−213,458−7.1%Reduced
Allianz Asset Management GmbH2,782,354$376.0M0.43%−382,195−12.1%Reduced
Principal Financial Group Inc2,750,490$371.7M0.19%+70,938+2.6%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.2,632,683$367.8M0.25%+106,058+4.2%Added
Blair William & Co2,653,891$358.6M0.96%−97,623−3.5%Reduced
Alphinity Investment Management Pty Ltd2,570,287$347.3M3.52%−990,097−27.8%Reduced
Vontobel Holding Ltd.2,505,597$338.6M1.12%−1,254,490−33.4%Reduced
Rhumbline Advisers2,340,644$316.3M0.26%−36,524−1.5%Reduced
HSBC Holdings PLC2,303,048$311.5M0.18%−149,319−6.1%Reduced
SEI Investments Co2,300,501$310.9M0.31%−157,280−6.4%Reduced
Los Angeles Capital Management LLC2,222,315$309.1M1.05%−371,462−14.3%Reduced
Local Pensions Partnership Investment Ltd2,244,600$303.4M5.34%−580,100−20.5%Reduced
Bank of Montreal2,041,352$275.9M0.11%+94,869+4.9%Added
Mackenzie Financial Corp1,960,557$266.5M0.32%−2,863−0.1%Reduced
California State Teachers Retirement System1,917,365$259.1M0.26%−11,469−0.6%Reduced
Man Group plc1,879,486$254.0M0.48%+655,590+53.6%Added
Alyeska Investment Group, L.P.1,852,061$250.3M0.71%+1,852,061New
AustralianSuper Pty Ltd1,803,292$243.7M1.13%+205,974+12.9%Added
Kayne Anderson Rudnick Investment Management LLC1,773,582$239.7M0.64%−344,936−16.3%Reduced
Allspring Global Investments Holdings, LLC1,710,772$239.0M0.39%+707,524+70.5%Added
Ameriprise Financial Inc1,787,743$236.8M0.05%−220,475−11.0%Reduced
Schroder Investment Management Group1,707,010$232.5M0.18%+370,410+27.7%Added
Bamco Inc1,710,742$231.2M0.63%−178,788−9.5%Reduced
Worldquant Millennium Advisors LLC1,677,460$226.7M0.88%+1,677,460New
Agf Management Ltd1,671,695$225.9M0.98%−1,072,045−39.1%Reduced
Veritas Investment Partners (UK) Ltd.1,666,303$225.2M4.75%−89,063−5.1%Reduced
Fenimore Asset Management Inc1,665,809$225.1M4.69%−384,450−18.8%Reduced
Lord, Abbett & Co. LLC1,622,989$219.3M0.67%−50,542−3.0%Reduced
Citigroup Inc1,597,505$215.9M0.15%+201,871+14.5%Added
Canada Pension Plan Investment Board1,564,378$211.4M0.14%+570,775+57.4%Added
James Hambro & Partners1,564,098$211.4M7.55%−257,773−14.1%Reduced
LPL Financial LLC1,534,970$207.4M0.06%+481,821+45.8%Added
Maren Capital LLC1,498,116$202.5M10.89%−51,291−3.3%Reduced
USS Investment Management Ltd1,490,401$201.4M1.00%+62,536+4.4%Added
Russell Investments Group, Ltd.1,427,822$193.1M0.21%+274,520+23.8%Added
Glenmede Trust Co NA1,410,650$190.6M0.90%+1,410,650New
Universal- Beteiligungs- und Servicegesellschaft mbH1,397,847$189.3M0.31%+117,531+9.2%Added
BNP Paribas Arbitrage, SA1,390,917$188.0M0.12%+228,261+19.6%Added
Stonehage Fleming Financial Services Holdings Ltd1,389,295$187.7M5.77%−358,349−20.5%Reduced