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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
Westerkirk Capital Inc.2,000$252.7K0.03%−4,758−70.4%Reduced
Smithbridge Asset Management Inc2,000$252.7K0.04%−2,000−50.0%Reduced
Searle & Co.2,000$252.7K0.06%00.0%Unchanged
Paradigm Asset Management Co LLC2,000$252.7K0.06%00.0%Unchanged
Lynch & Associates2,000$252.7K0.05%00.0%Unchanged
Berbice Capital Management LLC2,000$252.7K0.17%+600+42.9%Added
Lumbard & Kellner, LLC2,000$252.7K0.09%+2,000New
Roberts Glore & Co Inc2,005$253.3K0.07%+7+0.4%Added
Plancorp, LLC1,805$254.1K0.01%+35+2.0%Added
Praxis Capital Management LLC2,013$254.3K0.59%+3+0.1%Added
Abel Hall, LLC2,021$255.4K0.05%−2,433−54.6%Reduced
Regent Peak Wealth Advisors LLC2,022$255.5K0.05%+102+5.3%Added
Klingman & Associates, LLC2,029$256.4K0.01%+460+29.3%Added
Ariadne Wealth Management, LP2,030$257.0K0.12%+44+2.2%Added
E&G Advisors, LP2,034$257.0K0.06%+12+0.6%Added
LightSquare Wealth Management, LLC2,036$257.2K0.19%+2,036New
Asahi Life Asset Management Co., Ltd.2,039$257.6K0.17%−2,962−59.2%Reduced
Brand Asset Management Group, Inc.2,039$257.6K0.07%+32+1.6%Added
Woodstock Corp2,040$257.8K0.02%00.0%Unchanged
SeaCrest Wealth Management, LLC2,040$257.8K0.03%+350+20.7%Added
Cowa, LLC2,042$258.0K0.07%00.0%Unchanged
Isthmus Partners, LLC2,058$260.0K0.03%00.0%Unchanged
Riverstone Advisors, LLC2,058$260.0K0.13%+2,058New
Uniting Wealth Partners, LLC2,056$260.5K0.06%+2,056New
StoryOne LLC0$260.8K0.15%0Unchanged
Ancora Advisors, LLC2,065$260.9K0.01%+17+0.8%Added
Wayfinding Financial, LLC2,067$261.0K0.11%+5+0.2%Added
Fund Advisors of America Inc2,069$261.4K0.26%+10.0%Added
55 North Private Wealth, LLC2,076$262.3K0.07%+190+10.1%Added
Town & Country Bank & Trust CO dba First Bankers Trust CO2,080$262.8K0.09%−19,124−90.2%Reduced
Golden Reserve Retirement LLC2,080$262.8K0.05%+2,080New
MCF Advisors LLC2,078$263.0K0.01%+341+19.6%Added
Canvas Wealth Advisors, LLC2,088$264.3K0.04%+28+1.4%Added
Pure Financial Advisors, Inc.2,092$264.4K0.00%+230+12.4%Added
Root Financial Partners, LLC2,094$264.5K0.01%+224+12.0%Added
EdgeRock Capital LLC2,094$264.6K0.07%−366−14.9%Reduced
Private Capital Management, LLC2,100$265.3K0.03%−900−30.0%Reduced
Trust Co of Toledo NA2,107$266.2K0.03%+42+2.0%Added
DT Investment Partners, LLC2,118$267.6K0.02%−161−7.1%Reduced
Parkwoods Wealth Partners, LLC2,119$267.7K0.07%−4−0.2%Reduced
Elm Partners Management LLC2,252$268.3K0.01%00.0%Unchanged
Capital Planning LLC2,122$268.7K0.09%00.0%Unchanged
Marble Wealth, LLC2,129$269.0K0.05%−14−0.7%Reduced
GenTrust, LLC2,128$269.4K0.01%−169−7.4%Reduced
Walser Wealth Management Company, A Ltd Liability Co2,141$270.5K0.12%+2,141New
Ascension Capital Advisors, Inc.2,153$272.0K0.09%+2,153New
Dynamic Technology Lab Private Ltd2,162$273.2K0.04%+2,162New
Latko Wealth Management, Ltd.2,165$273.5K0.13%+4+0.2%Added
Biltmore Family Office, LLC2,164$274.0K0.04%+14+0.7%Added
Diametric Capital, LP2,171$274.3K0.07%−2,387−52.4%Reduced
St Germain D J Co Inc2,173$274.6K0.01%−183−7.8%Reduced
Acropolis Investment Management, LLC2,189$276.6K0.01%00.0%Unchanged
Chilton Capital Management LLC2,200$278.0K0.01%+362+19.7%Added
Limestone Investment Advisors LP2,200$278.0K0.14%+1,350+158.8%Added
Saybrook Capital2,204$278.5K0.07%00.0%Unchanged
Fullerton Fund Management Co Ltd.2,206$278.7K0.02%+2,206New
Eurizon SLJ Capital Ltd2,206$278.7K0.13%+2,206New
Capital Advisors Inc2,206$278.7K0.00%+139+6.7%Added
Stronghold Wealth Management L.L.C.2,207$278.9K0.42%−500−18.5%Reduced
Towarzystwo Funduszy Inwestycyjnych Pzu SA2,210$279.2K0.09%−310−12.3%Reduced
Seeds Investor LLC1,878$279.3K0.04%−11−0.6%Reduced
Baron Silver Stevens Financial Advisors, LLC2,212$279.5K0.04%00.0%Unchanged
Ipswich Investment Management Co., Inc.2,220$280.5K0.07%00.0%Unchanged
Wealth Preservation Advisors, LLC2,220$280.5K0.23%00.0%Unchanged
Circle Wealth Management, LLC2,231$281.9K0.00%−30−1.3%Reduced
Exchange Bank2,238$282.8K0.20%−407−15.4%Reduced
Stonebridge Financial Group, LLC2,242$283.3K0.24%−256−10.2%Reduced
Grandfield & Dodd, LLC2,256$285.0K0.02%−600−21.0%Reduced
Kestra Investment Management, LLC2,264$286.1K0.00%+316+16.2%Added
Seven Mile Advisory2,265$286.2K0.21%−281−11.0%Reduced
Samalin Investment Counsel, LLC2,267$286.4K0.10%−142−5.9%Reduced
Courier Capital LLC2,278$287.8K0.02%+2+0.1%Added
JMN Financial LLC2,273$287.9K0.28%−580−20.3%Reduced
Greenline Wealth Management LLC2,281$288.1K0.33%+346+17.9%Added
Aviance Capital Partners, LLC2,282$288.3K0.03%00.0%Unchanged
Wellspring Financial Advisors, LLC2,300$290.6K0.02%−381−14.2%Reduced
Victory Financial Group, LLC2,301$290.7K0.04%+413+21.9%Added
Atwood & Palmer Inc2,320$293.1K0.02%+2,320New
Central Trust Co2,322$293.4K0.01%+940+68.0%Added
Childress Capital Advisors, LLC2,332$294.8K0.05%−1,261−35.1%Reduced
Baron Wealth Management LLC2,342$295.9K0.09%−231−9.0%Reduced
Keudell/Morrison Wealth Management2,344$296.2K0.06%+508+27.7%Added
Bragg Financial Advisors, Inc2,352$297.2K0.01%+2,352New
Sun Financial Inc2,301$297.3K0.15%−427−15.7%Reduced
BlackDiamond Wealth Management Inc.2,356$297.7K0.14%+499+26.9%Added
Stirlingshire Investments, Inc.2,358$298.5K0.26%+2,358New
Spinnaker Trust2,368$299.2K0.02%−336−12.4%Reduced
FSM Wealth Advisors, LLC2,385$301.3K0.04%+40+1.7%Added
Calamos Wealth Management LLC2,393$302.4K0.01%+113+5.0%Added
Forbes Financial Planning, Inc.2,300$303.2K0.18%+600+35.3%Added
Associated Banc-Corp2,405$303.9K0.01%−1,021−29.8%Reduced
Rakuten Securities, Inc.2,407$304.1K0.13%+715+42.3%Added
Gladstone Institutional Advisory LLC2,412$304.8K0.01%+2,412New
Heritage Investment Group, Inc.2,414$305.0K0.05%−10.0%Reduced
Csenge Advisory Group2,424$306.3K0.01%−15−0.6%Reduced
Claret Asset Management Corp2,434$307.0K0.04%+10.0%Added
Woodward Diversified Capital, LLC2,034$307.2K0.14%+231+12.8%Added
Keystone Financial Services2,450$309.6K0.09%−90−3.5%Reduced
BCS Private Wealth Management, Inc.2,445$309.6K0.09%+2,445New
Syverson Strege & Co2,456$310.3K0.07%+42+1.7%Added