Skip to main content

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, Q1 2026

Institutional positions in Amphenol Corp as of Mar 31, 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
2,136
+113 vs. Q4 2025
Shares held
1.15B
+71.4M (+6.6%) vs. Q4 2025
Total value
$145.4B
+$9.42B (+6.9%) vs. Q4 2025
New holders
256
870 more added
Sold out
143
815 more reduced

36 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2026: 2,136 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 heldQ1 2026: $145.4B
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, Q1 2026

Shares, value and share of portfolio for each institution holding Amphenol Corp; share changes are against Q4 2025.

Institutions holding APH in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Wedge Capital Management L L P422,830$53.4M0.99%−47,250−10.1%Reduced
Crestwood Advisors Group LLC424,055$53.6M0.90%−4,913−1.1%Reduced
United Super Pty Ltd in its capacity as Trustee for the Construction & Building Unions Superannuation Fund427,338$54.0M1.02%−376,763−46.9%Reduced
Guinness Asset Management LTD427,403$54.0M0.93%−43,766−9.3%Reduced
DnB Asset Management AS431,161$54.5M0.19%+73,575+20.6%Added
Palisade Capital Management LLC444,923$56.2M1.87%−67,850−13.2%Reduced
Roffman Miller Associates Inc445,977$56.3M3.25%−19,596−4.2%Reduced
Robeco Institutional Asset Management B.V.452,812$57.2M0.08%−33,717−6.9%Reduced
Fifth Third Bancorp455,357$57.5M0.11%+285,408+167.9%Added
KLP Kapitalforvaltning AS457,424$57.9M0.23%+17,200+3.9%Added
Ieq Capital, LLC458,641$57.9M0.27%+121,625+36.1%Added
Bristol Gate Capital Partners Inc.463,289$58.5M3.77%−147,974−24.2%Reduced
Mn Services Vermogensbeheer B.V.470,062$59.4M0.39%+700+0.1%Added
Manning & Napier Advisors LLC474,682$60.0M0.85%−66,081−12.2%Reduced
Gotham Asset Management, LLC474,932$60.0M0.18%+121,044+34.2%Added
Howland Capital Management LLC474,544$60.1M2.37%−134,553−22.1%Reduced
Whittier Trust Co484,572$61.3M0.69%+33,078+7.3%Added
Nomura Asset Management Co Ltd490,495$62.0M0.16%+19,771+4.2%Added
Nisa Investment Advisors, LLC493,481$62.5M0.23%+41,084+9.1%Added
Swiss Life Asset Management Ltd498,518$63.0M0.31%+49,835+11.1%Added
J. Stern & Co. LLP499,402$63.1M6.12%−76,270,389−99.3%Reduced
Foster Dykema Cabot & Partners, LLC501,462$63.5M4.04%−8,832−1.7%Reduced
Reynders McVeigh Capital Management, LLC509,648$64.4M3.25%−18,370−3.5%Reduced
Credit Agricole S A511,074$64.6M0.21%−50,386−9.0%Reduced
Capital International Inc515,281$65.1M0.50%+202,323+64.6%Added
Teacher Retirement System of Texas521,016$65.8M0.27%−126,875−19.6%Reduced
Zacks Investment Management521,318$65.9M0.53%+10,986+2.2%Added
Treasurer of the State of North Carolina522,396$66.0M0.21%+11,129+2.2%Added
Storebrand Asset Management AS524,310$66.2M0.19%−24,425−4.5%Reduced
CI Private Wealth, LLC528,530$66.4M0.10%−148,255−21.9%Reduced
Dundas Partners LLP527,892$66.7M5.32%−4,909−0.9%Reduced
Jefferies Financial Group Inc.531,298$67.1M0.82%+296,672+126.4%Added
Public Employees Retirement System of Ohio533,180$67.4M0.22%−38,119−6.7%Reduced
Compass Capital Management, Inc540,505$68.3M4.13%−71,472−11.7%Reduced
Mediolanum International Funds Ltd573,903$68.4M0.73%+338,298+143.6%Added
Life Cycle Investment Partners Ltd542,616$68.6M0.44%+340,268+168.2%Added
Zurich Insurance Group Ltd563,112$71.1M0.56%+275,805+96.0%Added
Woodline Partners LP565,953$71.5M0.27%−617,266−52.2%Reduced
STRS Ohio568,490$71.8M0.28%−1,117−0.2%Reduced
Vanguard Investments Australia, Ltd.571,362$72.2M0.21%+571,362New
Renaissance Technologies LLC574,100$72.5M0.11%+574,100New
Asset Management One Co.,Ltd.580,115$73.3M0.22%+30,553+5.6%Added
Thrivent Financial for Lutherans591,512$74.7M0.14%−57,180−8.8%Reduced
Fiera Capital Corp592,245$74.8M0.26%−340,513−36.5%Reduced
B. Metzler seel. Sohn & Co. AG603,388$76.2M0.71%−12,887−2.1%Reduced
US Bancorp609,299$77.0M0.09%−22,026−3.5%Reduced
Chevy Chase Trust Holdings, Inc.611,388$77.2M0.22%−10,500−1.7%Reduced
Healthcare of Ontario Pension Plan Trust Fund613,821$77.6M0.13%+565,432+1,168.5%Added
Tudor Investment Corp Et Al613,970$77.6M0.42%+613,970New
Macquarie Group Ltd616,949$78.0M0.46%−198,596−24.4%Reduced
Polar Capital Holdings Plc625,970$79.1M0.35%−226,199−26.5%Reduced
Pictet Asset Management Holding SA629,096$79.5M0.08%+89,454+16.6%Added
Country Trust Bank630,071$79.6M1.51%−46,123−6.8%Reduced
Creative Planning641,072$81.0M0.05%+21,685+3.5%Added
Rockefeller Capital Management L.P.646,855$81.7M0.14%+108,083+20.1%Added
T. Rowe Price Investment Management, Inc.655,289$82.8M0.06%−9,506,851−93.6%Reduced
State of Wisconsin Investment Board659,074$83.3M0.19%+26,325+4.2%Added
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund664,039$83.9M0.46%+226,550+51.8%Added
Snyder Capital Management L P667,344$84.3M1.64%−190,144−22.2%Reduced
Carmignac Gestion669,236$84.6M1.30%−524,964−44.0%Reduced
Mariner, LLC674,806$85.3M0.10%+41,990+6.6%Added
Tandem Investment Advisors, Inc.678,771$85.8M4.20%−268,717−28.4%Reduced
Lazard Freres Gestion S.A.S.688,090$86.9M1.71%−66,673−8.8%Reduced
Royal London Asset Management Ltd688,791$87.0M0.18%00.0%Unchanged
Birch Hill Investment Advisors LLC698,111$88.2M3.96%−33,965−4.6%Reduced
Benjamin Edwards Inc701,084$88.6M0.88%+3,471+0.5%Added
Summit Trail Advisors, LLC718,247$90.8M1.30%+60,110+9.1%Added
Quantinno Capital Management LP718,905$90.8M0.15%+117,929+19.6%Added
NZS Capital, LLC758,975$95.9M3.20%+273,049+56.2%Added
TD Waterhouse Canada Inc.757,382$96.6M0.29%+621,424+457.1%Added
Jupiter Asset Management Ltd786,882$96.7M0.52%+786,882New
Manufacturers Life Insurance Company, The766,770$96.8M0.08%−437,582−36.3%Reduced
Mercer Global Advisors Inc769,693$97.3M0.14%−96,620−11.2%Reduced
Analog Century Management LP780,955$98.7M4.71%+52,896+7.3%Added
Captrust Financial Advisors789,366$99.7M0.17%−40,366−4.9%Reduced
PFA Pension, Forsikringsaktieselskab791,003$99.9M0.30%+131,563+20.0%Added
Ensign Peak Advisors, Inc803,736$101.6M0.19%−35,502−4.2%Reduced
Sands Capital Management, LLC805,602$101.8M0.40%−73,402−8.4%Reduced
Resona Asset Management Co.,Ltd.820,420$102.2M0.51%+1,856+0.2%Added
Nissay Asset Management Corp810,812$102.4M0.54%−329,070−28.9%Reduced
Great West Life Assurance Co810,287$102.7M0.18%−11,668−1.4%Reduced
Port Capital LLC812,604$102.7M4.57%−116,074−12.5%Reduced
Williams Jones Wealth Management, LLC.818,200$103.4M1.27%−16,117−1.9%Reduced
Mitsubishi UFJ Trust & Banking Corp820,486$103.7M0.26%−3,352−0.4%Reduced
Agf Management Ltd836,042$105.6M0.47%−835,653−50.0%Reduced
State Farm Mutual Automobile Insurance Co837,852$105.9M0.08%00.0%Unchanged
Keybank National Association841,428$106.3M0.39%−35,012−4.0%Reduced
Railway Pension Investments Ltd847,200$107.0M1.52%−88,500−9.5%Reduced
Prudential Financial Inc850,380$107.4M0.13%−2,427−0.3%Reduced
Stonehage Fleming Financial Services Holdings Ltd858,929$108.5M3.95%−530,366−38.2%Reduced
Bridgewater Associates, LP863,048$109.0M0.49%+64,684+8.1%Added
Bradley Foster & Sargent Inc886,118$112.0M1.74%−121,593−12.1%Reduced
Harding Loevner LP892,714$112.8M1.16%−61,645−6.5%Reduced
Korea Investment CORP925,828$117.0M0.24%+34,808+3.9%Added
Cookson Peirce & Co Inc926,128$117.0M4.95%−25,870−2.7%Reduced
Montrusco Bolton Investments Inc.935,551$118.2M1.79%+935,551New
New York State Teachers Retirement System956,037$120.8M0.25%+11,131+1.2%Added
Atalan Capital Partners, LP962,450$121.6M11.21%−417,050−30.2%Reduced
Congress Asset Management Co967,292$122.2M0.88%+4,731+0.5%Added
APG Asset Management N.V.1,120,056$122.8M0.39%−306,500−21.5%Reduced