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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, 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: 2,340 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 20262,340$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, 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
Vanguard Group Inc125,230,816$15.5B0.23%−15,302,056−10.9%Reduced
BlackRock, Inc.100,848,100$12.5B0.22%+6,289,930+6.7%Added
FMR LLC99,816,628$12.4B0.64%−8,847,047−8.1%Reduced
State Street Corp56,025,072$6.94B0.24%+676,797+1.2%Added
Price T Rowe Associates Inc44,071,827$5.45B0.58%+2,398,815+5.8%Added
Geode Capital Management, LLC29,569,839$3.65B0.23%+1,056,079+3.7%Added
Bank of New York Mellon Corp24,000,408$2.97B0.53%−4,278,253−15.1%Reduced
Bank of America Corp22,646,169$2.80B0.21%−237,929−1.0%Reduced
Massachusetts Financial Services Co18,536,443$2.29B0.71%−1,599,628−7.9%Reduced
Morgan Stanley18,121,298$2.24B0.14%−1,456,462−7.4%Reduced
Capital International Investors18,006,524$2.23B0.36%+14,714,177+446.9%Added
JPMorgan Chase & Co16,934,112$2.10B0.13%+1,873,586+12.4%Added
Capital Research Global Investors15,523,085$1.92B0.36%+8,021,284+106.9%Added
Northern Trust Corp12,917,398$1.60B0.20%−16,368−0.1%Reduced
Franklin Resources Inc12,847,238$1.58B0.40%+300,232+2.4%Added
T. Rowe Price Investment Management, Inc.12,203,497$1.51B0.92%−9,519,809−43.8%Reduced
Goldman Sachs Group Inc12,175,931$1.51B0.22%+4,179,149+52.3%Added
Royal Bank of Canada11,542,800$1.43B0.25%−1,604,084−12.2%Reduced
Janus Henderson Group PLC10,120,199$1.25B0.57%−75,989−0.7%Reduced
Invesco Ltd.9,065,058$1.12B0.18%+1,143,513+14.4%Added
Wellington Management Group LLP8,843,406$1.09B0.19%−1,520,468−14.7%Reduced
Flossbach Von Storch AG8,807,348$1.09B4.29%−1,131,034−11.4%Reduced
Alecta Pensionsforsakring, Omsesidigt8,427,600$1.04B4.65%00.0%Unchanged
Legal & General Group Plc8,334,138$1.03B0.23%+928,994+12.5%Added
UBS Asset Management Americas Inc8,077,388$999.6M0.22%−1,299,178−13.9%Reduced
Nuveen, LLC7,790,681$964.1M0.25%−183,415−2.3%Reduced
Victory Capital Management Inc7,346,876$963.1M0.60%−1,210,759−14.1%Reduced
Arrowstreet Capital, Limited Partnership7,279,457$900.8M0.57%+6,362,533+693.9%Added
Alliancebernstein L.P.7,191,595$890.0M0.28%−834,206−10.4%Reduced
Charles Schwab Investment Management Inc7,168,444$887.1M0.14%+79,858+1.1%Added
Barclays PLC6,764,998$837.2M0.31%+339,888+5.3%Added
Wells Fargo & Company6,546,828$810.2M0.17%+336,686+5.4%Added
Deutsche Bank AG6,211,298$768.6M0.26%−221,637−3.4%Reduced
Lazard Asset Management LLC6,184,592$765.3M1.03%−341,537−5.2%Reduced
Envestnet Asset Management Inc6,034,166$746.7M0.21%+150,407+2.6%Added
Neuberger Berman Group LLC5,991,466$741.4M0.54%−111,552−1.8%Reduced
Mawer Investment Management Ltd.5,910,383$731.4M3.80%−1,517,720−20.4%Reduced
Amundi5,763,353$711.2M0.23%+573,361+11.0%Added
Sumitomo Mitsui Trust Holdings, Inc.5,352,684$662.4M0.38%+221,457+4.3%Added
Voya Investment Management LLC5,108,325$632.2M0.63%−74,427−1.4%Reduced
Swedbank AB4,614,212$571.0M0.58%−318,997−6.5%Reduced
Winslow Capital Management, LLC4,435,461$548.9M1.81%+4,432,205+136,124.2%Added
Alkeon Capital Management LLC4,104,603$507.9M2.30%+1,433,650+53.7%Added
Stifel Financial Corp3,998,310$494.8M0.45%−1,536,085−27.8%Reduced
California Public Employees Retirement System3,968,581$491.1M0.29%−700,500−15.0%Reduced
Egerton Capital (UK) LLP3,823,422$473.1M4.99%+654,949+20.7%Added
UBS Group AG3,810,163$471.5M0.09%−75,488−1.9%Reduced
AQR Capital Management LLC3,810,841$468.5M0.30%+716,889+23.2%Added
Vontobel Holding Ltd.3,760,087$465.3M1.46%+944,002+33.5%Added
Dimensional Fund Advisors LP3,584,260$443.4M0.10%−91,764−2.5%Reduced
Alphinity Investment Management Pty Ltd3,560,384$440.6M4.30%−1,869,256−34.4%Reduced
Swiss National Bank3,486,800$431.5M0.25%−181,400−4.9%Reduced
Natixis Advisors, L.P.3,369,846$417.0M0.61%+308,548+10.1%Added
National Pension Service3,357,299$415.5M0.32%+76,358+2.3%Added
Allianz Asset Management GmbH3,164,549$391.6M0.48%−748,482−19.1%Reduced
Lone Pine Capital LLCSuperinvestorLone Pine Capital3,023,231$374.1M2.72%+3,023,231New
Axiom Investors LLC2,971,135$367.7M2.71%+2,971,135New
Rathbone Brothers plc2,968,161$367.3M1.49%−314,695−9.6%Reduced
Holocene Advisors, LP2,900,009$358.9M0.82%−967,425−25.0%Reduced
CIBC Private Wealth Group, LLC2,896,146$358.4M0.61%−28,492−1.0%Reduced
Local Pensions Partnership Investment Ltd2,824,700$349.6M5.96%−205,400−6.8%Reduced
Raymond James Financial Inc2,756,672$341.1M0.11%+214,404+8.4%Added
Blair William & Co2,751,514$340.5M0.91%−219,934−7.4%Reduced
Agf Management Ltd2,743,740$339.5M1.49%−47,247−1.7%Reduced
Principal Financial Group Inc2,679,552$331.6M0.17%−61,340−2.2%Reduced
Los Angeles Capital Management LLC2,593,777$321.0M1.09%+855,784+49.2%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.2,526,625$312.7M0.23%+130,211+5.4%Added
SEI Investments Co2,457,781$304.2M0.33%+1,327,659+117.5%Added
HSBC Holdings PLC2,452,367$302.3M0.18%+536,842+28.0%Added
Madison Asset Management, LLC2,442,702$302.3M3.33%−35,617−1.4%Reduced
American Century Companies Inc2,396,162$296.5M0.15%−8,952−0.4%Reduced
Rhumbline Advisers2,377,168$294.2M0.24%−67,482−2.8%Reduced
Jennison Associates LLC2,326,847$287.9M0.17%+2,326,847New
Citadel Advisors LLC2,209,106$273.4M0.22%−45,881−2.0%Reduced
Kayne Anderson Rudnick Investment Management LLC2,118,518$262.2M0.64%−447,750−17.4%Reduced
Bank Julius Baer & Co. Ltd, Zurich2,096,338$259.4M0.73%−26,383−1.2%Reduced
Millennium Management LLC2,064,803$255.5M0.20%−352,152−14.6%Reduced
Fenimore Asset Management Inc2,050,259$253.7M5.09%−237,161−10.4%Reduced
D. E. Shaw & Co., Inc.2,050,107$253.7M0.20%−2,418,745−54.1%Reduced
TD Asset Management Inc1,988,169$246.0M0.20%−990,935−33.3%Reduced
Mackenzie Financial Corp1,963,420$243.0M0.29%−1,427,120−42.1%Reduced
Bank of Montreal1,946,483$240.9M0.11%+7,931+0.4%Added
Ameriprise Financial Inc2,008,218$239.5M0.06%+188,625+10.4%Added
California State Teachers Retirement System1,928,834$238.7M0.24%+17,649+0.9%Added
Bamco Inc1,889,530$233.8M0.62%+5000.0%Added
James Hambro & Partners1,821,871$225.5M8.01%−184,418−9.2%Reduced
1832 Asset Management L.P.1,791,116$221.7M0.38%−11,703−0.6%Reduced
HRT Financial LP1,762,514$218.1M0.80%+1,745,058+9,996.9%Added
Veritas Investment Partners (UK) Ltd.1,755,366$217.2M4.16%−372,277−17.5%Reduced
Stonehage Fleming Financial Services Holdings Ltd1,747,644$216.3M6.13%−538,502−23.6%Reduced
Lord, Abbett & Co. LLC1,673,531$207.1M0.62%−228,831−12.0%Reduced
Voloridge Investment Management, LLC1,638,523$202.8M0.68%−1,055,051−39.2%Reduced
AustralianSuper Pty Ltd1,597,318$197.7M0.93%+808,578+102.5%Added
New York State Common Retirement Fund1,596,470$197.6M0.26%−14,222−0.9%Reduced
Qube Research & Technologies Ltd1,581,557$195.7M0.28%+1,354,245+595.8%Added
Maren Capital LLC1,549,407$191.7M10.67%−140,552−8.3%Reduced
Glenmede Investment Management, LP1,517,796$187.8M0.91%−94,992−5.9%Reduced
Atalan Capital Partners, LP1,488,000$184.1M12.85%−112,000−7.0%Reduced
Public Employees Retirement Association of Colorado1,486,604$184.0M0.68%−349,156−19.0%Reduced
Cerity Partners LLC1,483,153$183.5M0.30%+1,982+0.1%Added