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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
Resources Management Corp353,157$34.9M4.74%−9,510−2.6%Reduced
Arizona State Retirement System354,256$35.0M0.20%−6,599−1.8%Reduced
Senator Investment Group LP360,165$35.6M1.37%+360,165New
STRS Ohio361,103$35.7M0.13%−1,668−0.5%Reduced
Brown Advisory Inc362,374$35.8M0.05%−5,573−1.5%Reduced
ProShare Advisors LLC364,457$36.0M0.07%+17,435+5.0%Added
Macquarie Group Ltd377,429$37.3M0.05%−31,619−7.7%Reduced
Farmers & Merchants Investments Inc380,088$37.5M1.09%−11,943−3.0%Reduced
Umb Bank N A381,199$37.6M0.59%+51,056+15.5%Added
Amanah Holdings Trust382,716$37.8M9.35%+382,716New
Weiss Asset Management LP386,812$38.2M0.60%+386,812New
Bank of Nova Scotia388,666$38.4M0.08%−244,132−38.6%Reduced
Factory Mutual Insurance Co393,634$38.9M0.42%00.0%Unchanged
Rafferty Asset Management, LLC399,473$39.4M0.13%+69,821+21.2%Added
Renaissance Group LLC400,799$39.6M1.54%−118,848−22.9%Reduced
Jump Financial, LLC401,166$39.6M0.49%+401,166New
Susquehanna International Group, LLP404,505$39.9M0.06%+178,411+78.9%Added
State of New Jersey Common Pension Fund D407,098$40.2M0.16%00.0%Unchanged
McDaniel Terry & Co408,202$40.3M3.30%−1,257−0.3%Reduced
Alyeska Investment Group, L.P.412,788$40.8M0.14%+406,748+6,734.2%Added
AXA S.A.413,050$40.8M0.12%−262,043−38.8%Reduced
State of Michigan Retirement System414,274$40.9M0.21%−19,300−4.5%Reduced
Nomura Asset Management Co Ltd414,424$40.9M0.11%+43,113+11.6%Added
Storebrand Asset Management AS420,502$41.5M0.12%−21,676−4.9%Reduced
Mar Vista Investment Partners LLC423,195$41.8M3.20%+23,563+5.9%Added
Zacks Investment Management426,614$42.1M0.36%+329,872+341.0%Added
Dudley & Shanley, Inc.428,000$42.3M6.64%−10,940−2.5%Reduced
TimesSquare Capital Management, LLC430,582$42.5M0.61%−324,856−43.0%Reduced
KLP Kapitalforvaltning AS436,724$43.2M0.19%+25,700+6.3%Added
Tudor Investment Corp Et Al437,471$43.2M0.33%+437,471New
Crestwood Advisors Group LLC443,071$43.8M0.78%−1,296−0.3%Reduced
Brevan Howard Capital Management LP449,345$44.4M0.49%+449,345New
Campbell Newman Asset Management Inc449,521$44.4M3.54%+178,445+65.8%Added
Mn Services Vermogensbeheer B.V.453,056$44.7M0.31%+9,700+2.2%Added
Rockefeller Capital Management L.P.474,682$46.9M0.10%+38,448+8.8%Added
Frontier Capital Management Co LLC505,891$50.0M0.46%−103,867−17.0%Reduced
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main506,781$50.0M0.05%+941+0.2%Added
Roffman Miller Associates Inc512,393$50.6M3.02%−4,748−0.9%Reduced
DnB Asset Management AS515,093$50.9M0.21%−73,656−12.5%Reduced
Geneva Capital Management LLC517,424$51.1M0.86%−108,087−17.3%Reduced
Ossiam521,124$51.5M0.58%+471,833+957.2%Added
Asset Management One Co.,Ltd.525,549$51.9M0.16%−6,160−1.2%Reduced
Nisa Investment Advisors, LLC531,445$52.6M0.24%+57,043+12.0%Added
Pictet Asset Management Holding SA536,012$52.9M0.05%−9,681−1.8%Reduced
KBC Group NV538,170$53.1M0.14%+12,785+2.4%Added
Norinchukin Bank, The539,607$53.3M0.79%−150,073−21.8%Reduced
Logan Capital Management Inc545,809$53.9M2.51%−26,489−4.6%Reduced
Twin Tree Management, LP555,966$54.9M1.38%+511,680+1,155.4%Added
Treasurer of the State of North Carolina563,266$55.6M0.18%+22,540+4.2%Added
Public Employees Retirement System of Ohio567,640$56.1M0.19%+22,915+4.2%Added
Mariner, LLC569,857$56.3M0.08%+295,229+107.5%Added
Reynders McVeigh Capital Management, LLC569,812$56.3M2.81%−33,216−5.5%Reduced
Creative Planning572,301$56.5M0.05%+53,437+10.3%Added
CI Private Wealth, LLC592,072$58.5M0.08%+51,218+9.5%Added
Robeco Institutional Asset Management B.V.593,997$58.7M0.09%−261,865−30.6%Reduced
M.D. Sass Investors Services, Inc.604,798$59.7M4.81%−440,568−42.1%Reduced
Ensign Peak Advisors, Inc606,921$59.9M0.10%+30,693+5.3%Added
Foster Dykema Cabot & Partners, LLC606,215$60.0M4.22%−2,980−0.5%Reduced
Dundas Partners LLP617,382$61.0M4.24%00.0%Unchanged
Teacher Retirement System of Texas624,099$61.6M0.26%−223,428−26.4%Reduced
Schonfeld Strategic Advisors LLC628,421$62.1M0.47%+520,201+480.7%Added
Palisade Capital Management LLC631,649$62.4M1.77%−23,433−3.6%Reduced
Toronto Dominion Bank635,474$62.8M0.13%+101,889+19.1%Added
Sandhill Capital Partners LLC638,691$63.1M4.53%+2,368+0.4%Added
Chevy Chase Trust Holdings, Inc.639,168$63.1M0.18%+3,780+0.6%Added
Gillespie Robinson & Grimm Inc648,779$64.1M4.76%−32,573−4.8%Reduced
Howland Capital Management LLC667,628$66.0M2.69%−11,055−1.6%Reduced
Cubist Systematic Strategies, LLC670,468$66.2M0.72%+670,468New
State of Wisconsin Investment Board672,244$66.4M0.16%−86,431−11.4%Reduced
Alta Capital Management LLC672,876$66.4M3.78%−33,177−4.7%Reduced
Wedge Capital Management L L P674,251$66.6M1.19%−161,139−19.3%Reduced
Select Equity Group, L.P.676,886$66.8M0.28%−244,759−26.6%Reduced
Royal London Asset Management Ltd706,286$69.7M0.16%−24,395−3.3%Reduced
Epoch Investment Partners, Inc.716,202$70.7M0.37%−49,852−6.5%Reduced
Benjamin Edwards Inc716,680$70.8M0.90%−23,028−3.1%Reduced
Summit Trail Advisors, LLC719,190$71.1M1.22%+719,190New
Guinness Asset Management LTD724,311$71.5M1.28%−128,513−15.1%Reduced
US Bancorp726,354$71.7M0.09%+5,674+0.8%Added
Mitsubishi UFJ Trust & Banking Corp744,045$73.5M0.17%−77,700−9.5%Reduced
Zurich Insurance Group Ltd750,024$74.1M0.57%+715,024+2,042.9%Added
Nissay Asset Management Corp750,551$74.1M0.43%+24,595+3.4%Added
Mercer Global Advisors Inc761,515$75.2M0.17%+38,865+5.4%Added
Varenne Capital Partners773,745$76.4M19.28%+656,218+558.4%Added
Birch Hill Investment Advisors LLC775,352$76.6M3.40%−12,374−1.6%Reduced
Thrivent Financial for Lutherans782,215$77.1M0.17%−204,405−20.7%Reduced
AustralianSuper Pty Ltd788,740$77.9M0.39%+788,740New
BNP Paribas Arbitrage, SA789,134$77.9M0.06%−2,924,644−78.8%Reduced
J. Stern & Co. LLP871,809$78.2M6.68%+26,690+3.2%Added
Country Trust Bank808,848$79.9M1.79%−126,299−13.5%Reduced
Captrust Financial Advisors816,418$80.6M0.18%−3,488−0.4%Reduced
Compass Capital Management, Inc837,713$82.7M4.43%−79,440−8.7%Reduced
State Farm Mutual Automobile Insurance Co837,852$82.7M0.07%00.0%Unchanged
Korea Investment CORP853,578$84.3M0.19%−68,049−7.4%Reduced
Williams Jones Wealth Management, LLC.853,720$84.3M1.01%−513−0.1%Reduced
USS Investment Management Ltd857,662$84.7M0.53%+608,483+244.2%Added
Aviva PLC857,641$84.7M0.17%+524,952+157.8%Added
New York State Teachers Retirement System896,380$88.5M0.19%+12,884+1.5%Added
Two Sigma Advisers, LP909,800$89.8M0.18%+909,800New
B. Metzler seel. Sohn & Co. AG910,162$89.9M0.86%−114,618−11.2%Reduced
Arrowstreet Capital, Limited Partnership916,924$90.5M0.06%−1,060,006−53.6%Reduced