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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 2025

Institutional positions in Amphenol Corp as of Jun 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
1,648
+240 vs. Q1 2025
Shares held
1.16B
+15.2M (+1.3%) vs. Q1 2025
Total value
$114.7B
+$39.4B (+52.3%) vs. Q1 2025
New holders
330
553 more added
Sold out
90
572 more reduced

19 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2025: 1,648 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 2025: $114.7B
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 2025

Shares, value and share of portfolio for each institution holding Amphenol Corp; share changes are against Q1 2025.

Institutions holding APH in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Twin Tree Management, LP555,966$54.9M1.38%+511,680+1,155.4%Added
Logan Capital Management Inc545,809$53.9M2.51%−26,489−4.6%Reduced
Norinchukin Bank, The539,607$53.3M0.79%−150,073−21.8%Reduced
KBC Group NV538,170$53.1M0.14%+12,785+2.4%Added
Pictet Asset Management Holding SA536,012$52.9M0.05%−9,681−1.8%Reduced
Nisa Investment Advisors, LLC531,445$52.6M0.24%+57,043+12.0%Added
Asset Management One Co.,Ltd.525,549$51.9M0.16%−6,160−1.2%Reduced
Ossiam521,124$51.5M0.58%+471,833+957.2%Added
Geneva Capital Management LLC517,424$51.1M0.86%−108,087−17.3%Reduced
DnB Asset Management AS515,093$50.9M0.21%−73,656−12.5%Reduced
Roffman Miller Associates Inc512,393$50.6M3.02%−4,748−0.9%Reduced
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main506,781$50.0M0.05%+941+0.2%Added
Frontier Capital Management Co LLC505,891$50.0M0.46%−103,867−17.0%Reduced
Rockefeller Capital Management L.P.474,682$46.9M0.10%+38,448+8.8%Added
Mn Services Vermogensbeheer B.V.453,056$44.7M0.31%+9,700+2.2%Added
Campbell Newman Asset Management Inc449,521$44.4M3.54%+178,445+65.8%Added
Brevan Howard Capital Management LP449,345$44.4M0.49%+449,345New
Crestwood Advisors Group LLC443,071$43.8M0.78%−1,296−0.3%Reduced
Tudor Investment Corp Et Al437,471$43.2M0.33%+437,471New
KLP Kapitalforvaltning AS436,724$43.2M0.19%+25,700+6.3%Added
TimesSquare Capital Management, LLC430,582$42.5M0.61%−324,856−43.0%Reduced
Dudley & Shanley, Inc.428,000$42.3M6.64%−10,940−2.5%Reduced
Zacks Investment Management426,614$42.1M0.36%+329,872+341.0%Added
Mar Vista Investment Partners LLC423,195$41.8M3.20%+23,563+5.9%Added
Storebrand Asset Management AS420,502$41.5M0.12%−21,676−4.9%Reduced
Nomura Asset Management Co Ltd414,424$40.9M0.11%+43,113+11.6%Added
State of Michigan Retirement System414,274$40.9M0.21%−19,300−4.5%Reduced
AXA S.A.413,050$40.8M0.12%−262,043−38.8%Reduced
Alyeska Investment Group, L.P.412,788$40.8M0.14%+406,748+6,734.2%Added
McDaniel Terry & Co408,202$40.3M3.30%−1,257−0.3%Reduced
State of New Jersey Common Pension Fund D407,098$40.2M0.16%00.0%Unchanged
Susquehanna International Group, LLP404,505$39.9M0.06%+178,411+78.9%Added
Jump Financial, LLC401,166$39.6M0.49%+401,166New
Renaissance Group LLC400,799$39.6M1.54%−118,848−22.9%Reduced
Rafferty Asset Management, LLC399,473$39.4M0.13%+69,821+21.2%Added
Factory Mutual Insurance Co393,634$38.9M0.42%00.0%Unchanged
Bank of Nova Scotia388,666$38.4M0.08%−244,132−38.6%Reduced
Weiss Asset Management LP386,812$38.2M0.60%+386,812New
Amanah Holdings Trust382,716$37.8M9.35%+382,716New
Umb Bank N A381,199$37.6M0.59%+51,056+15.5%Added
Farmers & Merchants Investments Inc380,088$37.5M1.09%−11,943−3.0%Reduced
Macquarie Group Ltd377,429$37.3M0.05%−31,619−7.7%Reduced
ProShare Advisors LLC364,457$36.0M0.07%+17,435+5.0%Added
Brown Advisory Inc362,374$35.8M0.05%−5,573−1.5%Reduced
STRS Ohio361,103$35.7M0.13%−1,668−0.5%Reduced
Senator Investment Group LP360,165$35.6M1.37%+360,165New
Arizona State Retirement System354,256$35.0M0.20%−6,599−1.8%Reduced
Resources Management Corp353,157$34.9M4.74%−9,510−2.6%Reduced
Public Sector Pension Investment Board352,358$34.8M0.15%+163,940+87.0%Added
Aquatic Capital Management LLC352,161$34.8M0.70%+352,161New
State of Tennessee, Treasury Department345,468$34.1M0.12%−497−0.1%Reduced
Noesis Capital Mangement Corp342,048$33.8M5.87%−6,527−1.9%Reduced
Fiduciary Trust Co339,665$33.5M0.41%−13,343−3.8%Reduced
Comerica Bank336,570$33.2M0.13%−13,730−3.9%Reduced
South Street Advisors LLC335,365$33.1M4.91%−7,787−2.3%Reduced
Quantbot Technologies LP335,313$33.1M0.85%+335,313New
Confluence Investment Management LLC332,681$32.9M0.46%−17,106−4.9%Reduced
Dearborn Partners LLC331,976$32.8M1.55%−44,303−11.8%Reduced
JLB & Associates Inc329,890$32.6M4.54%−32,429−9.0%Reduced
Manitou Investment Management Ltd.329,681$32.6M6.19%−2,882−0.9%Reduced
Quantinno Capital Management LP327,691$32.4M0.14%+101,624+45.0%Added
Natixis325,902$32.2M0.16%+151,912+87.3%Added
ING Groep NV321,260$31.7M0.19%+174,518+118.9%Added
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund320,764$31.7M0.29%−12,500−3.8%Reduced
Cresset Asset Management, LLC318,476$31.5M0.16%−31,022−8.9%Reduced
North Point Portfolio Managers Corp316,768$31.3M5.37%−70,665−18.2%Reduced
Calamos Advisors LLC306,608$30.3M0.13%00.0%Unchanged
Stephens Inc301,718$29.8M0.41%−17,114−5.4%Reduced
Forsta Ap-Fonden298,700$29.5M0.19%+4,400+1.5%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys296,661$29.3M0.15%+19,702+7.1%Added
Czech National Bank295,669$29.2M0.23%+17,503+6.3%Added
Achmea Investment Management B.V.291,624$28.8M0.37%−2,040−0.7%Reduced
Xponance, Inc.290,385$28.7M0.24%+56,582+24.2%Added
Congress Asset Management Co288,556$28.5M0.20%−18,209−5.9%Reduced
Oribel Capital Management, LP288,100$28.4M1.51%+288,100New
Gradient Investments LLC287,788$28.4M0.52%−38,905−11.9%Reduced
NorthCrest Asset Manangement, LLC284,842$28.3M0.76%−709−0.2%Reduced
Whittier Trust Co273,724$27.0M0.33%+13,812+5.3%Added
Jacobson & Schmitt Advisors, LLC272,381$26.9M4.77%+7,868+3.0%Added
Amalgamated Bank270,617$26.7M0.21%+17,198+6.8%Added
TCW Group Inc267,802$26.4M0.21%+380+0.1%Added
Empowered Funds, LLC266,460$26.3M0.30%+31,494+13.4%Added
North Star Asset Management Inc265,170$26.2M1.11%−1,086−0.4%Reduced
Ieq Capital, LLC264,807$26.1M0.16%+58,382+28.3%Added
Sumitomo Mitsui DS Asset Management Company, Ltd264,111$26.1M0.24%+3,162+1.2%Added
Swiss Life Asset Management Ltd263,921$26.1M0.15%+144,427+120.9%Added
Janney Montgomery Scott LLC262,743$25.9M0.07%−33,309−11.3%Reduced
Truist Financial Corp262,281$25.9M0.04%+16,031+6.5%Added
Community Trust & Investment Co261,234$25.8M1.49%−16,029−5.8%Reduced
Retirement Systems of Alabama259,556$25.6M0.09%−693−0.3%Reduced
Terry L. Blaker259,117$25.6M0.99%−2,417−0.9%Reduced
BNP PARIBAS ASSET MANAGEMENT Holding S.A.258,130$25.5M0.06%+4,854+1.9%Added
Wealth Enhancement Advisory Services, LLC254,418$25.3M0.04%+10,653+4.4%Added
Cornerstone Capital, Inc.254,127$25.1M2.62%−6,340−2.4%Reduced
Harvey Investment Co LLC253,985$25.1M2.76%−7,350−2.8%Reduced
Jones Financial Companies LLLP256,451$25.1M0.02%+43,093+20.2%Added
First Long Island Investors, LLC252,841$25.0M1.96%+1,881+0.7%Added
EP Wealth Advisors, LLC251,624$24.8M0.16%+237,677+1,704.1%Added
CIBC World Markets Inc.248,900$24.6M0.05%+87,196+53.9%Added
Oppenheimer Asset Management Inc.245,591$24.3M0.28%+1,869+0.8%Added