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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 2021

Institutional positions in Amphenol Corp as of Sep 30, 2021. 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
839
+26 vs. Q2 2021
Shares held
573.6M
+4.94M (+0.9%) vs. Q2 2021
Total value
$42.0B
+$3.12B (+8.0%) vs. Q2 2021
New holders
82
304 more added
Sold out
56
293 more reduced

8 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2021: 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 2021: 839 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 2021: $42.0B
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 2021

Shares, value and share of portfolio for each institution holding Amphenol Corp; share changes are against Q2 2021.

Institutions holding APH in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
British Columbia Investment Management Corp110,585$8.10M0.05%−253−0.2%Reduced
Gulf International Bank (UK) Ltd110,866$8.12M0.10%−994−0.9%Reduced
Baker Chad R111,570$8.17M1.83%00.0%Unchanged
First National Trust Co112,687$8.25M0.49%+5,413+5.0%Added
Marsico Capital Management LLC112,790$8.26M0.25%00.0%Unchanged
Janus Henderson Group PLC114,857$8.41M0.00%−50,938−30.7%Reduced
Voloridge Investment Management, LLC115,225$8.44M0.05%−109,320−48.7%Reduced
Brinker Capital Investments, LLC124,093$8.54M0.14%−327−0.3%Reduced
Jane Street Group, LLC116,822$8.55M0.02%+116,822New
Nomura Asset Management Co Ltd117,680$8.62M0.05%+402+0.3%Added
Carderock Capital Management Inc119,007$8.71M2.46%−782−0.7%Reduced
Oregon Public Employees Retirement Fund119,236$8.73M0.10%−4,200−3.4%Reduced
Verition Fund Management LLC120,000$8.79M0.13%+87,210+266.0%Added
First Republic Investment Management, Inc.125,002$9.15M0.02%+6,021+5.1%Added
Bokf, NA125,525$9.19M0.16%+125,525New
Motco126,318$9.25M0.60%−2,270−1.8%Reduced
Schroder Investment Management Group127,717$9.35M0.01%−271,029−68.0%Reduced
Chesley Taft & Associates LLC127,941$9.37M0.53%−494−0.4%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)128,947$9.44M0.05%−12,673−8.9%Reduced
Caisse de Depot Et Placement du Quebec129,442$9.48M0.02%−10,800−7.7%Reduced
Robeco Institutional Asset Management B.V.131,765$9.65M0.02%−32,093−19.6%Reduced
MetLife Investment Management133,166$9.75M0.09%−3,448−2.5%Reduced
Scopus Asset Management, L.P.133,570$9.78M0.25%00.0%Unchanged
HFR Wealth Management, LLC138,032$10.1M2.94%+3,331+2.5%Added
Raymond James Financial Services Advisors, Inc.139,601$10.2M0.02%−864−0.6%Reduced
Alberta Investment Management Corp140,700$10.3M0.09%+1,100+0.8%Added
Roffman Miller Associates Inc140,951$10.3M0.77%+19,269+15.8%Added
Amalgamated Bank144,725$10.6M0.09%−5,844−3.9%Reduced
Thames Capital Management LLC145,314$10.6M2.32%00.0%Unchanged
Twin Tree Management, LP146,745$10.7M0.32%+58,230+65.8%Added
SEI Investments Co149,312$11.0M0.02%−3,502−2.3%Reduced
State of Michigan Retirement System150,196$11.0M0.06%00.0%Unchanged
USS Investment Management Ltd150,223$11.0M0.09%−1,607,313−91.5%Reduced
ProShare Advisors LLC151,998$11.1M0.03%+5,432+3.7%Added
Force Hill Capital Management LP154,241$11.3M2.79%−172,648−52.8%Reduced
Buffington Mohr McNeal155,183$11.4M2.18%−1,439−0.9%Reduced
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund157,102$11.5M0.11%−13,000−7.6%Reduced
Los Angeles Capital Management LLC158,325$11.6M0.05%+90,041+131.9%Added
Agf Investments Inc.161,044$11.8M0.09%+29,610+22.5%Added
Arizona State Retirement System166,652$12.2M0.10%−1,216−0.7%Reduced
Forsta Ap-Fonden170,300$12.5M0.14%+51,600+43.5%Added
Whittier Trust Co172,347$12.6M0.23%−1,450−0.8%Reduced
Commerce Bank178,186$13.0M0.09%−9,153−4.9%Reduced
Aviva PLC178,629$13.1M0.06%−9,536−5.1%Reduced
Calamos Advisors LLC179,449$13.1M0.06%+15,834+9.7%Added
Noesis Capital Mangement Corp180,344$13.2M2.58%−1,196−0.7%Reduced
Westpac Banking Corp180,416$13.2M0.14%−5,930−3.2%Reduced
Taurus Asset Management, LLC182,485$13.4M1.39%−675−0.4%Reduced
Jacobson & Schmitt Advisors, LLC182,847$13.4M3.69%−1,392−0.8%Reduced
Kiwi Wealth Investments Limited Partnership185,060$13.6M0.69%−7,771−4.0%Reduced
Comerica Bank173,177$13.7M0.08%−14,354−7.7%Reduced
Advisor Group Holdings, Inc.188,728$13.8M0.03%+9,893+5.5%Added
Segall Bryant & Hamill, LLC192,571$14.1M0.13%−2,648−1.4%Reduced
AGF Investments America Inc.194,030$14.2M2.96%+46,080+31.1%Added
Nippon Life Global Investors Americas, Inc.194,160$14.2M0.74%+6,840+3.7%Added
American International Group, Inc.195,360$14.3M0.08%−876−0.4%Reduced
Reynders McVeigh Capital Management, LLC199,575$14.6M0.89%+6,040+3.1%Added
Royal London Asset Management Ltd201,536$14.8M0.06%−19,276−8.7%Reduced
Farmers & Merchants Investments Inc202,026$14.8M0.62%−867−0.4%Reduced
Fiduciary Trust Co202,802$14.9M0.26%−2,675−1.3%Reduced
Retirement Systems of Alabama205,423$15.0M0.06%−13,185−6.0%Reduced
Treasurer of the State of North Carolina210,419$15.4M0.09%+7,099+3.5%Added
Resources Management Corp214,963$15.7M2.26%−1,005−0.5%Reduced
Standard Life Aberdeen plc212,186$15.8M0.04%−25,196−10.6%Reduced
Congress Asset Management Co228,922$16.8M0.13%+41,110+21.9%Added
Reilly Financial Advisors, LLC229,493$16.8M1.44%+2,865+1.3%Added
Border to Coast Pensions Partnership Ltd196,204$17.1M0.58%00.0%Unchanged
South Street Advisors LLC235,328$17.2M3.29%−3,745−1.6%Reduced
Natixis Advisors, L.P.235,360$17.2M0.07%+950+0.4%Added
Brown Advisory Inc237,691$17.4M0.03%−46,746−16.4%Reduced
JLB & Associates Inc239,768$17.6M2.79%−16,943−6.6%Reduced
Raymond James & Associates242,067$17.7M0.02%+52,440+27.7%Added
Pictet Asset Management SA250,281$18.3M0.02%+250,281New
Jupiter Asset Management Ltd251,206$18.4M0.21%−8,245−3.2%Reduced
Korea Investment CORP251,300$18.4M0.05%−33,800−11.9%Reduced
Mercer Global Advisors Inc251,998$18.5M0.13%+16,222+6.9%Added
Fenimore Asset Management Inc255,115$18.7M0.46%00.0%Unchanged
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.260,219$19.1M0.09%+24,013+10.2%Added
DekaBank Deutsche Girozentrale253,323$19.1M0.05%+155,559+159.1%Added
BNP Paribas Arbitrage, SA261,387$19.1M0.05%−11,518−4.2%Reduced
Howland Capital Management LLC261,949$19.2M1.01%+3,441+1.3%Added
Nisa Investment Advisors, LLC262,940$19.3M0.12%00.0%Unchanged
Asset Management One Co.,Ltd.274,817$20.1M0.08%−3,163−1.1%Reduced
Teacher Retirement System of Texas278,434$20.4M0.11%+145,316+109.2%Added
Nissay Asset Management Corp284,985$20.9M0.18%+15,958+5.9%Added
Country Trust Bank287,601$21.1M0.62%+287,601New
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main294,421$21.6M0.03%+301+0.1%Added
Azimuth Capital Management LLC297,731$21.8M0.94%+2,260+0.8%Added
Voya Investment Management LLC303,941$22.3M0.04%−6,143−2.0%Reduced
Guinness Asset Management LTD306,495$22.4M1.06%+306,495New
Kornitzer Capital Management Inc307,274$22.5M0.35%00.0%Unchanged
Foster Dykema Cabot & Co Inc310,099$22.7M2.83%+3,490+1.1%Added
State Farm Mutual Automobile Insurance Co311,130$22.8M0.03%+105,841+51.6%Added
M&T Bank Corp314,345$23.0M0.10%+32,382+11.5%Added
Veritas Investment Management (UK) Ltd324,885$23.8M3.91%−3,502−1.1%Reduced
Stifel Financial Corp326,952$23.9M0.04%+66,446+25.5%Added
Public Employees Retirement System of Ohio328,693$24.1M0.09%−8,238−2.4%Reduced
Great West Life Assurance Co328,226$24.2M0.06%−18,219−5.3%Reduced
Russell Investments Group, Ltd.341,167$25.0M0.04%+4,260+1.3%Added
State of New Jersey Common Pension Fund D346,617$25.4M0.08%+8,283+2.4%Added