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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, Q2 2026

Institutional positions in Amphenol Corp as of Jun 30, 2026. 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
2,340
+237 vs. Q1 2026
Shares held
1.17B
+24.4M (+2.1%) vs. Q1 2026
Total value
$205.1B
+$60.9B (+42.3%) vs. Q1 2026
New holders
378
984 more added
Sold out
141
784 more reduced

33 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 holdersQ2 2026: 2,340 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 heldQ2 2026: $205.1B
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, Q2 2026

Shares, value and share of portfolio for each institution holding Amphenol Corp; share changes are against Q1 2026.

Institutions holding APH in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Adage Capital Partners GP, L.L.C.1,423,120$250.9M0.35%−361,768−20.3%Reduced
James Hambro & Partners1,405,282$247.8M8.96%−15,103−1.1%Reduced
TD Asset Management Inc1,373,052$242.1M0.21%−2,235,856−62.0%Reduced
Mackenzie Financial Corp1,345,709$237.3M0.24%−130,702−8.9%Reduced
Universal- Beteiligungs- und Servicegesellschaft mbH1,344,484$236.8M0.36%−95,344−6.6%Reduced
New York State Common Retirement Fund1,321,245$233.0M0.29%−58,501−4.2%Reduced
Van Eck Associates Corp1,319,610$232.7M0.14%+1,064,681+417.6%Added
Davis R M Inc1,310,574$231.4M3.65%−45,828−3.4%Reduced
BNP Paribas Arbitrage, SA1,301,660$229.5M0.12%+218,907+20.2%Added
Glenmede Trust Co NA1,298,523$229.0M1.01%−12,828−1.0%Reduced
Danske Bank A/S1,271,184$224.1M0.45%+75,018+6.3%Added
Select Equity Group, L.P.1,249,958$220.4M1.17%+50,015+4.2%Added
The PNC Financial Services Group, Inc.1,241,130$218.8M0.11%+4,226+0.3%Added
Zurcher Kantonalbank (Zurich Cantonalbank)1,233,162$217.4M0.42%−121,313−9.0%Reduced
Congress Asset Management Co1,220,821$215.3M1.33%+253,529+26.2%Added
Vontobel Holding Ltd.1,198,160$211.3M0.71%−585,440−32.8%Reduced
Impax Asset Management Group plc1,195,285$210.8M1.37%+850,769+246.9%Added
Madison Asset Management, LLC1,176,112$207.4M2.47%−74,894−6.0%Reduced
Public Employees Retirement Association of Colorado1,168,312$206.0M0.71%+31,569+2.8%Added
1832 Asset Management L.P.1,127,797$198.9M0.24%+998,334+771.1%Added
Nomura Asset Management International Inc.1,104,809$194.8M0.29%−15,558−1.4%Reduced
Chilton Investment Co LLC1,101,659$194.2M4.66%−259,672−19.1%Reduced
Macquarie Group Ltd1,078,724$190.2M0.82%+461,775+74.8%Added
APG Asset Management N.V.1,223,781$188.7M0.46%+103,725+9.3%Added
State Board of Administration of Florida Retirement System1,070,329$188.7M0.31%+6,499+0.6%Added
Aviva PLC1,055,577$186.1M0.27%+28,335+2.8%Added
NZS Capital, LLC1,024,330$180.6M4.68%+265,355+35.0%Added
Credit Agricole S A1,013,505$178.7M0.45%+502,431+98.3%Added
Johnson Investment Counsel Inc994,623$175.4M1.28%−13,957−1.4%Reduced
Kayne Anderson Rudnick Investment Management LLC984,286$173.5M0.54%−469,010−32.3%Reduced
Polar Capital Holdings Plc977,331$172.3M0.49%+351,361+56.1%Added
Carmignac Gestion969,763$171.0M2.22%+300,527+44.9%Added
Quantinno Capital Management LP968,087$170.7M0.20%+249,182+34.7%Added
New York State Teachers Retirement System945,351$166.7M0.31%−10,686−1.1%Reduced
Nordea Investment Management AB951,997$165.2M0.13%−143,866−13.1%Reduced
Cookson Peirce & Co Inc931,674$164.3M5.41%+5,546+0.6%Added
Prudential Financial Inc927,831$163.6M0.18%+77,451+9.1%Added
Thrivent Financial for Lutherans920,450$162.2M0.27%+328,938+55.6%Added
Healthcare of Ontario Pension Plan Trust Fund919,114$162.1M0.23%+305,293+49.7%Added
Bradley Foster & Sargent Inc898,902$158.5M2.24%+12,784+1.4%Added
Manufacturers Life Insurance Company, The895,090$157.8M0.12%+128,320+16.7%Added
Montrusco Bolton Investments Inc.889,016$156.8M2.43%−46,535−5.0%Reduced
Korea Investment CORP886,462$156.3M0.30%−39,366−4.3%Reduced
Caisse de Depot Et Placement du Quebec864,544$152.4M0.22%−484,861−35.9%Reduced
Railway Pension Investments Ltd857,100$151.1M1.90%+9,900+1.2%Added
Mitsubishi UFJ Trust & Banking Corp845,834$149.1M0.33%+25,348+3.1%Added
Millennium Management LLC838,250$147.8M0.10%−1,482,644−63.9%Reduced
Ensign Peak Advisors, Inc829,754$146.3M0.24%+26,018+3.2%Added
PFA Pension, Forsikringsaktieselskab827,452$145.9M0.37%+36,449+4.6%Added
Lansforsakringar Fondforvaltning AB (publ)823,333$145.2M0.65%+782,588+1,920.7%Added
Keybank National Association818,276$144.3M0.47%−23,152−2.8%Reduced
SEI Investments Co813,640$143.5M0.13%−353,924−30.3%Reduced
Williams Jones Wealth Management, LLC.810,869$143.0M1.61%−7,331−0.9%Reduced
Close Asset Management Ltd810,311$142.9M3.80%−271,715−25.1%Reduced
Analog Century Management LP809,893$142.8M5.23%+28,938+3.7%Added
Bahl & Gaynor Inc807,054$142.3M0.66%+464,297+135.5%Added
Great West Life Assurance Co806,079$142.0M0.23%−4,208−0.5%Reduced
Worldquant Millennium Advisors LLC793,861$140.0M0.48%−1,533,687−65.9%Reduced
CI Private Wealth, LLC789,853$139.4M0.19%+261,323+49.4%Added
Citadel Advisors LLC783,629$138.2M0.08%−253,181−24.4%Reduced
Panagora Asset Management Inc764,019$134.7M0.41%+702,043+1,132.8%Added
Sands Capital Management, LLC763,951$134.7M0.50%−41,651−5.2%Reduced
Lazard Freres Gestion S.A.S.758,370$133.7M2.32%+70,280+10.2%Added
KBC Group NV750,006$132.2M0.29%−537,673−41.8%Reduced
Stonehage Fleming Financial Services Holdings Ltd743,906$131.2M4.47%−115,023−13.4%Reduced
Port Capital LLC743,744$131.1M5.35%−68,860−8.5%Reduced
Squarepoint Ops LLC741,354$130.7M0.25%+564,919+320.2%Added
DekaBank Deutsche Girozentrale1,086,445$129.0M0.22%00.0%Unchanged
US Bancorp726,930$128.2M0.14%+117,631+19.3%Added
Treasurer of the State of North Carolina722,366$127.4M0.33%+199,970+38.3%Added
Birch Hill Investment Advisors LLC719,908$126.9M5.14%+21,797+3.1%Added
DSM Capital Partners LLC710,204$125.2M2.14%+710,204New
Harding Loevner LP709,282$125.0M1.18%−183,432−20.5%Reduced
E20 Capital Ltd704,122$124.2M10.01%+704,122New
Rockefeller Capital Management L.P.702,819$123.9M0.19%+55,964+8.7%Added
Summit Trail Advisors, LLC698,762$123.2M1.55%−19,485−2.7%Reduced
Bridgewater Associates, LP697,612$123.0M0.50%−165,436−19.2%Reduced
Resona Asset Management Co.,Ltd.696,752$121.1M0.57%−123,668−15.1%Reduced
Mercer Global Advisors Inc685,291$120.8M0.15%−84,402−11.0%Reduced
Royal London Asset Management Ltd679,885$119.9M0.22%−8,906−1.3%Reduced
Captrust Financial Advisors674,568$118.9M0.18%−114,798−14.5%Reduced
STRS Ohio673,685$118.8M0.45%+105,195+18.5%Added
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund671,539$118.4M0.57%+7,500+1.1%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.669,871$118.1M0.12%−712,976−51.6%Reduced
Creative Planning664,219$117.1M0.07%+23,147+3.6%Added
State of Wisconsin Investment Board656,077$115.7M0.23%−2,997−0.5%Reduced
Snyder Capital Management L P652,127$115.0M1.99%−15,217−2.3%Reduced
Atreides Management, LP640,069$112.9M1.01%+640,069New
Life Cycle Investment Partners Ltd637,560$112.4M0.52%+94,944+17.5%Added
Mariner, LLC635,014$111.9M0.12%−39,792−5.9%Reduced
Capital International Inc634,753$111.9M0.78%+119,472+23.2%Added
State Farm Mutual Automobile Insurance Co624,871$110.2M0.08%−212,981−25.4%Reduced
Benjamin Edwards Inc623,412$109.9M1.00%−77,672−11.1%Reduced
Point72 Asset Management, L.P.618,893$109.1M0.17%+618,893New
Country Trust Bank617,213$108.8M1.91%−12,858−2.0%Reduced
Nissay Asset Management Corp615,557$108.5M0.46%−195,255−24.1%Reduced
Cartenna Capital, LP615,000$108.4M4.01%+380,000+161.7%Added
Jensen Investment Management Inc614,660$108.4M2.63%+389,297+172.7%Added
AustralianSuper Pty Ltd599,582$105.7M0.46%−772,448−56.3%Reduced
Chevy Chase Trust Holdings, Inc.598,360$105.5M0.27%−13,028−2.1%Reduced