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Livermore
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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, 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: 2,340 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 20262,340$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, 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
Finivi Inc.2,460$310.8K0.17%+2,460New
McAdam, LLC2,466$311.6K0.01%+186+8.2%Added
Peapack Gladstone Financial Corp2,484$314.0K0.00%+69+2.9%Added
Range Advisory, LLC2,485$314.0K0.06%+697+39.0%Added
Grove Bank & Trust2,486$314.1K0.04%−208−7.7%Reduced
Cache Advisors, LLC2,486$314.1K0.04%00.0%Unchanged
Foster Group, Inc.2,493$315.0K0.01%+90+3.7%Added
Howard Wealth Management, LLC2,495$315.3K0.13%−200−7.4%Reduced
Baker Ellis Asset Management LLC2,500$315.9K0.04%−266−9.6%Reduced
Westport Asset Management Inc2,500$315.9K0.14%00.0%Unchanged
Titleist Asset Management, LLC2,510$317.1K0.02%+254+11.3%Added
Gallacher Capital Management LLC2,511$317.2K0.12%+2,511New
West Bancorporation Inc2,520$318.4K0.16%−724−22.3%Reduced
Flatrock Wealth Partners LLC2,517$318.6K0.14%+43+1.7%Added
Mayfair Advisory Group, LLC2,526$319.2K0.11%−3−0.1%Reduced
Layline Advisors, LLC2,535$320.3K0.36%+2,535New
Winthrop Advisory Group LLC2,545$322.2K0.03%−32−1.2%Reduced
Camden National Bank2,551$322.3K0.04%00.0%Unchanged
Fedenia Advisers LLC2,554$322.7K0.24%00.0%Unchanged
Alliance Wealth Advisors, LLC2,555$322.8K0.07%−193−7.0%Reduced
Annex Advisory Services, LLC2,567$324.3K0.01%−46−1.8%Reduced
UMA Financial Services, Inc.2,578$325.7K0.05%+101+4.1%Added
Insight Advisors, LLC2,579$325.9K0.06%−18−0.7%Reduced
QTR Family Wealth, LLC2,193$326.1K0.14%+740+50.9%Added
180 Wealth Advisors, LLC2,595$327.8K0.04%−104−3.9%Reduced
Bingham Private Wealth, LLC2,597$328.1K0.26%+52+2.0%Added
Caerus Investment Advisors, LLC2,601$328.6K0.14%−2,918−52.9%Reduced
Symphony Financial, Ltd. Co.2,643$329.5K0.04%+502+23.4%Added
Optivise Advisory Services LLC2,618$330.8K0.20%+1,007+62.5%Added
Symmetry Partners, LLC2,621$331.2K0.02%+73+2.9%Added
Capital Investment Advisors, LLC2,635$333.0K0.00%+237+9.9%Added
Basecamp Wealth Advisors LLC2,635$333.0K0.07%+173+7.0%Added
Autumn Glory Partners, LLC2,641$333.7K0.12%+76+3.0%Added
D.B. Root & Company, LLC2,642$333.8K0.08%+42+1.6%Added
WSFS Capital Management, LLC2,643$333.9K0.02%+729+38.1%Added
Valley Brook Capital Group2,644$334.1K0.22%+390+17.3%Added
Waystone Advisors LLC2,659$336.0K0.30%−270−9.2%Reduced
Confluence Wealth Services, Inc.2,660$336.1K0.01%+383+16.8%Added
Seldon Capital LP2,668$337.1K0.12%00.0%Unchanged
Diversify Advisory Services, LLC2,274$337.4K0.05%−11,472−83.5%Reduced
August Group Capital Ltd2,684$339.1K0.39%+56+2.1%Added
Aquire Wealth Advisors, LLC2,686$339.4K0.09%−104−3.7%Reduced
Perennial Investment Advisors, LLC2,686$339.4K0.03%−75−2.7%Reduced
Quantum Financial Advisors, LLC2,693$340.3K0.04%+345+14.7%Added
City Center Advisors, LLC2,701$341.3K0.32%+1,134+72.4%Added
KFG Wealth Management, LLC2,712$342.7K0.04%+436+19.2%Added
Genesis Private Wealth, LLC2,714$342.9K0.11%−1,543−36.2%Reduced
49 Wealth Management, LLC2,723$344.1K0.03%+5+0.2%Added
High Net Worth Advisory Group LLC2,726$344.5K0.08%−292−9.7%Reduced
Warburton Capital Management, LLC2,511$345.0K0.17%+67+2.7%Added
Embree Financial Group2,731$345.1K0.04%+81+3.1%Added
FSB Premier Wealth Management, Inc.2,734$345.5K0.11%+269+10.9%Added
Convergence Financial, LLC2,738$345.9K0.04%−199−6.8%Reduced
Welch & Forbes LLC2,746$347.0K0.00%00.0%Unchanged
Dempze Nancy E2,746$347.0K0.19%00.0%Unchanged
Rainier Family Wealth Inc2,754$348.0K0.23%+2,754New
Founders Financial Alliance, LLC2,754$348.0K0.06%−231−7.7%Reduced
Goldstein Advisors, LLC2,761$348.9K0.04%+139+5.3%Added
Fusion Family Wealth LLC2,766$349.5K0.03%00.0%Unchanged
VisionPoint Advisory Group, LLC2,774$350.5K0.07%+229+9.0%Added
Financial Engines Advisors L.L.C.2,777$350.9K0.00%−284−9.3%Reduced
Lantz Financial LLC2,779$351.1K0.07%−432−13.5%Reduced
QVT Financial LP2,780$351.3K0.03%+2,780New
D'Orazio & Associates, Inc.2,795$353.1K0.05%−34−1.2%Reduced
Inspirion Wealth Advisors, LLC2,800$353.8K0.04%00.0%Unchanged
Horizon Financial Services, LLC2,800$353.8K0.16%00.0%Unchanged
Handelsbanken Fonder AB2,802$354.0K0.00%+1,092+63.9%Added
Broadway Wealth Solutions, Inc.2,802$354.0K0.18%−236−7.8%Reduced
Camden Capital, LLC2,840$358.9K0.02%+313+12.4%Added
Wallace Capital Management Inc.2,850$360.1K0.04%−350−10.9%Reduced
Alvarez & Marsal Private Wealth Partners, LLC2,848$360.6K0.05%+2,848New
Sentinus, LLC2,860$361.4K0.03%+959+50.4%Added
Northwest Wealth Management, LLC2,862$361.6K0.05%−674−19.1%Reduced
6th Street Advisors, LLC2,868$363.0K0.23%+2,868New
Tritonpoint Wealth, LLC2,876$364.1K0.04%−33−1.1%Reduced
Financial Network Wealth Advisors LLC2,882$364.2K0.37%−211−6.8%Reduced
Lummis Asset Management, LP2,887$364.8K0.22%−48−1.6%Reduced
Avantax Planning Partners, Inc.2,898$366.2K0.01%+42+1.5%Added
Occidental Asset Management, LLC2,900$366.4K0.04%+63+2.2%Added
Independent Wealth Network Inc.2,902$366.7K0.11%+110+3.9%Added
Caitlin John, LLC2,912$367.9K0.22%+30+1.0%Added
Balboa Wealth Partners2,919$368.8K0.06%−1,361−31.8%Reduced
Picton Mahoney Asset Management2,922$369.2K0.00%+102+3.6%Added
Allegiance Financial Group Advisory Services LLC2,933$370.6K0.07%+85+3.0%Added
FFT Wealth Management LLC2,928$370.7K0.07%+2,928New
Simon Quick Advisors, LLC2,941$371.5K0.02%−397−11.9%Reduced
Signet Private Wealth LLC2,941$371.7K0.35%+2,941New
Warwick Investment Management, Inc.2,949$372.6K0.05%+706+31.5%Added
C M Bidwell & Associates Ltd2,964$374.5K0.17%−16−0.5%Reduced
Modera Wealth Management, LLC2,993$378.2K0.00%+98+3.4%Added
F/M Investments LLC2,995$378.4K0.03%+813+37.3%Added
Hurley Capital, LLC3,000$379.1K0.20%−137−4.4%Reduced
Caption Management, LLC3,000$379.1K0.02%+3,000New
ABN AMRO Bank N.V.3,070$382.5K0.00%+460+17.6%Added
Sunburst Financial Group, LLC3,053$385.8K0.07%+989+47.9%Added
Matrix Asset Advisors Inc3,056$386.1K0.04%00.0%Unchanged
Hanseatic Management Services Inc3,071$388.0K0.37%+3,071New
MidFirst Bank3,071$388.0K0.03%−2,499−44.9%Reduced
AlphaGrep UK Ltd3,080$389.2K0.11%−1,439−31.8%Reduced
Sunbeam Capital Management, LLC3,094$390.9K0.22%−5−0.2%Reduced