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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, Q4 2025

Institutional positions in Amphenol Corp as of Dec 31, 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
2,059
+262 vs. Q3 2025
Shares held
1.24B
+99.5M (+8.8%) vs. Q3 2025
Total value
$156.8B
+$16.1B (+11.5%) vs. Q3 2025
New holders
345
780 more added
Sold out
83
748 more reduced

32 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2025: 2,059 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 heldQ4 2025: $156.8B
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, Q4 2025

Shares, value and share of portfolio for each institution holding Amphenol Corp; share changes are against Q3 2025.

Institutions holding APH in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
HRT Financial LP150,790$20.4M0.06%−1,611,724−91.4%Reduced
Gabelli Funds LLC149,994$20.3M0.14%+69,794+87.0%Added
Envestnet Portfolio Solutions, Inc.149,369$20.2M0.07%+1,910+1.3%Added
Segment Wealth Management, LLC149,106$20.2M1.17%−319−0.2%Reduced
Freestone Grove Partners LP147,085$19.9M0.14%−233,063−61.3%Reduced
Steward Partners Investment Advisory, LLC146,240$19.8M0.11%+20,626+16.4%Added
Kovitz Investment Group Partners, LLC144,828$19.6M0.43%−50,456−25.8%Reduced
Mirae Asset Global ETFs Holdings Ltd.144,019$19.5M0.03%−12,990−8.3%Reduced
SlateStone Wealth, LLC143,062$19.3M1.62%00.0%Unchanged
Groupe la Francaise142,813$19.3M0.28%+61,372+75.4%Added
Jane Street Group, LLC141,740$19.2M0.02%−149,997−51.4%Reduced
Oregon Public Employees Retirement Fund140,227$19.0M0.24%+600+0.4%Added
YHB Investment Advisors, Inc.139,975$18.9M1.31%+557+0.4%Added
Verition Fund Management LLC139,672$18.9M0.10%+54,487+64.0%Added
Busey Wealth Management139,300$18.8M0.50%−1,060−0.8%Reduced
Brant Point Investment Management LLC139,000$18.8M4.54%−24,518−15.0%Reduced
Copeland Capital Management, LLC138,617$18.7M0.42%−8,810−6.0%Reduced
Wiley Bros.-Aintree Capital, LLC137,742$18.6M0.10%+16,723+13.8%Added
Clough Capital Partners L P137,389$18.6M1.67%+13,689+11.1%Added
Chicago Capital, LLC137,070$18.5M0.46%+29,693+27.7%Added
GDS Wealth Management136,723$18.5M1.16%−1,160−0.8%Reduced
TD Waterhouse Canada Inc.135,958$18.4M0.11%+47,401+53.5%Added
Skandinaviska Enskilda Banken AB (publ)133,554$18.0M0.07%+39,801+42.5%Added
OP Asset Management Ltd133,137$18.0M0.22%+3,128+2.4%Added
Aquatic Capital Management LLC130,324$17.6M0.50%−143,508−52.4%Reduced
Hendley & Co Inc129,715$17.5M6.27%−30,035−18.8%Reduced
Dorsey Wright & Associates128,838$17.4M3.77%+2,980+2.4%Added
ASR Vermogensbeheer N.V.126,331$17.1M0.20%+29,877+31.0%Added
Commonwealth Equity Services, LLC124,828$16.9M0.02%−9,914−7.4%Reduced
Ironvine Capital Partners, LLC123,866$16.7M1.68%−2,218−1.8%Reduced
Carderock Capital Management Inc123,775$16.7M4.05%−10,218−7.6%Reduced
Flputnam Investment Management Co122,556$16.6M0.24%−6,262−4.9%Reduced
Vinva Investment Management Ltd121,362$16.5M0.21%+21,791+21.9%Added
Andra AP-fonden122,135$16.5M0.21%+103,255+546.9%Added
We Are One Seven, LLC121,219$16.4M0.33%+1,796+1.5%Added
Brookstone Capital Management120,709$16.3M0.19%+113,950+1,685.9%Added
State of Alaska, Department of Revenue120,462$16.3M0.17%−10,495−8.0%Reduced
Sone Capital Management, LLC117,723$15.9M1.29%+28,382+31.8%Added
Commerce Bank117,406$15.9M0.09%−8,254−6.6%Reduced
Financiere des Professionnels - Fonds d,investissement inc.115,978$15.7M0.89%−1,137−1.0%Reduced
Susquehanna International Group, LLP115,603$15.6M0.02%−775,863−87.0%Reduced
Transamerica Financial Advisors, Inc.115,412$15.6M1.30%+75,775+191.2%Added
Atria Investments LLC114,958$15.5M0.18%−3,899−3.3%Reduced
Aristotle Atlantic Partners, LLC113,678$15.4M0.70%−3,593−3.1%Reduced
LTS One Management LP113,000$15.3M5.90%−42,000−27.1%Reduced
Ravenstone Capital Management Inc.112,348$15.2M6.93%+1,292+1.2%Added
Two Sigma Investments, LP112,056$15.1M0.02%−115,953−50.9%Reduced
Winton Group Ltd111,423$15.1M0.52%+106,058+1,976.8%Added
Ethic Inc.111,014$15.0M0.23%+1,154+1.1%Added
Tema ETFs LLC110,655$15.0M1.16%+43,931+65.8%Added
Capital International Sarl110,595$14.9M0.24%+28,155+34.2%Added
Investment Management Corp of Ontario108,352$14.6M0.19%+45,819+73.3%Added
Turtle Creek Wealth Advisors, LLC106,261$14.4M1.13%−261−0.2%Reduced
Voleon Capital Management LP105,324$14.2M0.31%−738−0.7%Reduced
Evelyn Partners Investment Management LLP105,134$14.2M0.39%+1,574+1.5%Added
Baker Avenue Asset Management, LP105,006$14.2M0.33%−19,142−15.4%Reduced
Regents Gate Capital LLP104,377$14.1M4.52%+7,469+7.7%Added
NLB Skladi, upravljanje premozenja, d.o.o.104,207$14.1M0.64%+104,207New
Kepler Cheuvreux (Suisse) SA103,498$14.0M0.79%−247,887−70.5%Reduced
Elk River Wealth Management, LLC103,372$14.0M2.25%−5,311−4.9%Reduced
Suncoast Equity Management103,230$14.0M1.41%+103,230New
Vestcor Inc102,292$13.8M0.39%+47,585+87.0%Added
Burney Co102,172$13.8M0.43%−46,499−31.3%Reduced
Covalis Capital LLP101,290$13.7M1.07%+73,550+265.1%Added
Nutshell Asset Management Ltd101,242$13.7M4.88%+101,242New
Horizon Investments, LLC101,216$13.7M0.17%−22,253−18.0%Reduced
Northwestern Mutual Wealth Management Co100,719$13.6M0.01%+2,598+2.6%Added
Pacer Advisors, Inc.100,702$13.6M0.04%−7,989−7.4%Reduced
CTF Capital Management, LP100,000$13.5M8.16%−30,000−23.1%Reduced
First Citizens Bank & Trust Co99,664$13.5M0.28%−1,502−1.5%Reduced
Texas Capital Bank Wealth Management Services Inc99,214$13.4M0.77%−4,044−3.9%Reduced
Cambridge Investment Research Advisors, Inc.97,532$13.2M0.03%+2,352+2.5%Added
BFSG, LLC95,943$13.0M1.26%−3,578−3.6%Reduced
Teachers Retirement System of the State of Kentucky94,611$12.8M0.10%00.0%Unchanged
Hantz Financial Services, Inc.94,446$12.8M0.19%−12,329−11.5%Reduced
Mizuho Securities USA LLC89,128$12.6M0.21%+204+0.2%Added
Allstate Corp92,247$12.5M0.17%+47,809+107.6%Added
Petredis Investment Advisors LLC91,292$12.3M0.97%−1,060−1.1%Reduced
GWM Advisors LLC90,731$12.3M0.04%+13,694+17.8%Added
Midwest Trust Co90,002$12.2M0.15%−19,020−17.4%Reduced
Smith, Salley & Associates89,766$12.1M0.60%+89,766New
Sanibel Captiva Trust Company, Inc.89,376$12.1M0.33%+2,273+2.6%Added
Erste Asset Management GmbH84,959$11.9M0.10%+3,762+4.6%Added
Progressive Investment Management Corp87,756$11.9M2.84%+17,242+24.5%Added
Amica Mutual Insurance Co87,322$11.8M1.03%00.0%Unchanged
Brinker Capital Investments, LLC87,136$11.8M0.09%−34,529−28.4%Reduced
Generali Asset Management SPA SGR87,072$11.8M0.24%+14,612+20.2%Added
Pinnacle Financial Partners, Inc.86,884$11.7M0.09%+86,884New
Martingale Asset Management L P86,411$11.7M0.30%+51,908+150.4%Added
Huntington National Bank84,937$11.5M0.07%−3,783−4.3%Reduced
Regency Capital Management Inc.84,366$11.4M4.74%−4,346−4.9%Reduced
Candriam Luxembourg S.C.A.84,138$11.4M0.06%−23,404−21.8%Reduced
Westpac Banking Corp84,020$11.4M0.72%−4,412−5.0%Reduced
Regions Financial Corp83,855$11.3M0.07%−13,655−14.0%Reduced
Texas Yale Capital Corp.83,236$11.2M0.34%+150+0.2%Added
Ayrshire Capital Management LLC83,050$11.2M5.15%−50,702−37.9%Reduced
Talos Asset Management LP81,901$11.1M1.96%−100,099−55.0%Reduced
Raiffeisen Bank International AG80,945$11.0M0.14%−849−1.0%Reduced
Morningstar Investment Management LLC80,962$10.9M0.65%−3,814−4.5%Reduced
Omers Administration Corp80,794$10.9M0.08%+13,624+20.3%Added