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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
Estate Counselors, LLC30,955$3.83M0.33%+30,955New
Guggenheim Capital LLC30,902$3.82M0.03%+1,343+4.5%Added
Knightsbridge Asset Management, LLC30,891$3.82M0.65%+1,259+4.2%Added
Principal Securities, Inc.30,469$3.77M0.06%+5,483+21.9%Added
King Luther Capital Management Corp30,422$3.76M0.02%+218+0.7%Added
Community Financial Services Group, LLC30,258$3.74M0.69%+30,258New
Pallas Capital Advisors LLC30,039$3.72M0.14%+60+0.2%Added
Atlantic Union Bankshares Corp29,773$3.68M0.07%−508−1.7%Reduced
Goodman Advisory Group, LLC29,634$3.67M0.91%−989−3.2%Reduced
Pensionmark Financial Group, LLC29,616$3.67M0.08%+1,982+7.2%Added
Mattson Financial Services, LLC29,589$3.66M0.88%+496+1.7%Added
Fifth Third Wealth Advisors LLC29,566$3.66M0.13%+5,853+24.7%Added
La Banque Postale Asset Management SA29,196$3.61M0.04%−845−2.8%Reduced
J.W. Cole Advisors, Inc.28,919$3.58M0.07%+8,458+41.3%Added
Wetherby Asset Management Inc28,900$3.58M0.15%−588−2.0%Reduced
Penserra Capital Management LLC28,616$3.54M0.04%+4,539+18.9%Added
NBT Bank N A28,565$3.53M0.23%+358+1.3%Added
Moneta Group Investment Advisors LLC28,477$3.52M0.03%+358+1.3%Added
Pinkerton Retirement Specialists, LLC28,415$3.52M0.38%−1,427−4.8%Reduced
Brevan Howard Capital Management LP28,360$3.51M0.05%−420,985−93.7%Reduced
BancorpSouth Bank28,218$3.49M0.21%+218+0.8%Added
Formuepleje A/S28,182$3.49M0.20%−13,187−31.9%Reduced
Patton Albertson Miller Group, LLC28,109$3.48M0.42%+28,109New
Night Squared LP28,036$3.47M1.25%+28,036New
Change Path, LLC27,913$3.45M0.08%+1,023+3.8%Added
Covalis Capital LLP27,740$3.43M0.40%+27,740New
Scotia Capital Inc.27,348$3.38M0.01%+8,440+44.6%Added
Groupama Asset Managment27,261$3.37M0.05%+14,433+112.5%Added
Machina Capital S.A.S.26,988$3.34M0.59%+192+0.7%Added
BNP Paribas27,140$3.31M0.10%+625+2.4%Added
SWS Partners26,667$3.30M0.81%+717+2.8%Added
Krilogy Financial LLC23,589$3.28M0.12%+8,599+57.4%Added
Assenagon Asset Management S.A.26,460$3.27M0.00%−2,309−8.0%Reduced
Ellsworth Advisors, LLC26,039$3.27M0.70%+1,087+4.4%Added
Advisors Preferred, LLC26,000$3.24M0.48%00.0%Unchanged
Citizens Financial Group Inc25,783$3.19M0.04%+362+1.4%Added
Maridea Wealth Management LLC25,015$3.19M0.50%+25,015New
Frank, Rimerman Advisors LLC25,472$3.15M0.20%+121+0.5%Added
Wedmont Private Capital25,289$3.15M0.12%+940+3.9%Added
Fortune Financial Advisors, LLC25,406$3.14M2.37%+951+3.9%Added
Parallel Advisors, LLC24,964$3.09M0.06%+356+1.4%Added
Patton Fund Management, Inc.24,867$3.08M0.55%−1,760−6.6%Reduced
Buckingham Strategic Partners22,717$3.07M0.03%+4,359+23.7%Added
Hixon Zuercher, LLC24,739$3.06M0.93%+1,060+4.5%Added
Manchester Capital Management LLC24,735$3.06M0.42%−9,077−26.8%Reduced
Shilanski & Associates, Inc.24,649$3.05M0.81%+24,649New
Heritage Family Offices, LLP24,637$3.05M1.42%+7,906+47.3%Added
Caisse des Depots Et Consignations24,465$3.03M0.13%00.0%Unchanged
Hardy Reed LLC24,462$3.03M0.22%+315+1.3%Added
Integrated Wealth Concepts LLC24,383$3.02M0.03%+247+1.0%Added
Summit Financial, LLC23,986$2.97M0.05%+13,337+125.2%Added
DF Dent & Co Inc23,845$2.95M0.04%−1,131−4.5%Reduced
Dark Forest Capital Management LP23,780$2.94M0.11%+23,780New
IFP Advisors, Inc23,748$2.94M0.08%−649−2.7%Reduced
Peak Asset Management, LLC23,670$2.93M0.51%−350−1.5%Reduced
Beaton Management Co. Inc.23,600$2.92M1.33%00.0%Unchanged
Dakota Wealth Management23,445$2.90M0.06%−11,475−32.9%Reduced
Cim, LLC23,291$2.88M0.38%−775−3.2%Reduced
RMB Capital Management, LLC23,226$2.88M0.05%−1,485−6.0%Reduced
Snowden Capital Advisors LLC23,164$2.87M0.08%−1,852−7.4%Reduced
Brighton Jones LLC23,086$2.86M0.07%+2,473+12.0%Added
Mather Group, LLC.23,059$2.85M0.03%+163+0.7%Added
Coastal Bridge Advisors, LLC23,054$2.85M0.22%+18+0.1%Added
Becker Capital Management Inc23,001$2.85M0.08%00.0%Unchanged
Hemenway Trust Co LLC23,025$2.85M0.22%−2,795−10.8%Reduced
Arjuna Capital22,948$2.84M0.71%−187−0.8%Reduced
Bridgeway Capital Management, LLC22,900$2.83M0.06%+22,900New
NorthRock Partners, LLC22,879$2.83M0.05%+9,049+65.4%Added
Lincoln Capital LLC23,130$2.83M0.53%−680−2.9%Reduced
Harfst & Associates, Inc.22,774$2.82M0.52%−202−0.9%Reduced
HighPoint Advisor Group LLC22,724$2.81M0.13%+1,237+5.8%Added
TownSquare Capital, LLC22,574$2.79M0.42%−2,281−9.2%Reduced
Ascent Group, LLC22,563$2.79M0.10%+11,580+105.4%Added
Mutual Advisors, LLC20,319$2.75M0.06%+14,589+254.6%Added
Profund Advisors LLC22,161$2.74M0.09%+173+0.8%Added
Qtron Investments LLC22,150$2.74M0.34%−819−3.6%Reduced
Saturna Capital CORP22,065$2.73M0.04%+14,565+194.2%Added
Catalytic Wealth RIA, LLC21,936$2.71M0.09%+7,355+50.4%Added
Panagora Asset Management Inc21,921$2.71M0.01%+14,739+205.2%Added
Fedenia Advisers LLC21,900$2.71M1.08%+5,699+35.2%Added
Gallo Partners, LP21,885$2.71M2.04%+21,885New
Values First Advisors, Inc.21,836$2.70M1.45%−266−1.2%Reduced
Hager Investment Management Services, LLC21,787$2.70M1.46%+14,361+193.4%Added
Resonant Capital Advisors, LLC21,743$2.69M0.16%−634−2.8%Reduced
Mechanics Bank Trust Department21,609$2.67M0.38%+42+0.2%Added
Element Squared LLC21,488$2.66M1.52%−6,991−24.5%Reduced
AdvisorNet Financial, Inc21,358$2.64M0.15%−3,487−14.0%Reduced
Syon Capital LLC21,307$2.64M0.14%+2,414+12.8%Added
Fayez Sarofim & Co21,231$2.63M0.01%00.0%Unchanged
Index Fund Advisors, Inc.21,209$2.62M0.13%+25+0.1%Added
Oak Thistle LLC21,117$2.61M0.40%+13,121+164.1%Added
Kraematon Investment Advisors, Inc20,987$2.60M2.22%−137−0.6%Reduced
Seascape Capital Management20,911$2.59M0.74%+20,911New
Town & Country Bank & Trust CO dba First Bankers Trust CO20,912$2.59M0.90%−1,349−6.1%Reduced
Adviser Investments LLC20,786$2.57M0.03%+366+1.8%Added
Y-Intercept (Hong Kong) Ltd20,743$2.57M0.06%+20,743New
Livforsakringsbolaget Skandia, Omsesidigt20,648$2.56M0.10%+12,100+141.6%Added
Greenwich Wealth Management LLC20,617$2.55M0.13%+29+0.1%Added
Beacon Pointe Advisors, LLC20,413$2.53M0.02%−7,145−25.9%Reduced
Sagespring Wealth Partners, LLC20,287$2.51M0.05%+764+3.9%Added