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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, Q2 2025

Institutional positions in Amphenol Corp as of Jun 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
1,648
+240 vs. Q1 2025
Shares held
1.16B
+15.2M (+1.3%) vs. Q1 2025
Total value
$114.7B
+$39.4B (+52.3%) vs. Q1 2025
New holders
330
553 more added
Sold out
90
572 more reduced

19 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2025: 1,648 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 heldQ2 2025: $114.7B
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, Q2 2025

Shares, value and share of portfolio for each institution holding Amphenol Corp; share changes are against Q1 2025.

Institutions holding APH in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Cerity Partners LLC1,481,171$146.3M0.26%+124,034+9.1%Added
Davis R M Inc1,474,242$145.6M2.70%−490.0%Reduced
Impax Asset Management Group plc1,459,135$144.1M0.83%−492,130−25.2%Reduced
Chilton Investment Co LLC1,451,424$143.3M3.18%+69,737+5.0%Added
Harding Loevner LP1,443,477$142.6M0.96%+27,036+1.9%Added
Zurcher Kantonalbank (Zurich Cantonalbank)1,351,900$133.5M0.33%+66,823+5.2%Added
NZS Capital, LLC1,322,943$130.6M4.44%−52,952−3.8%Reduced
Universal- Beteiligungs- und Servicegesellschaft mbH1,312,680$129.6M0.23%−175,041−11.8%Reduced
APG Asset Management N.V.1,524,865$128.3M0.38%+138,462+10.0%Added
Schroder Investment Management Group1,297,249$128.1M0.11%+183,641+16.5%Added
Tandem Investment Advisors, Inc.1,295,423$127.9M4.48%−301,709−18.9%Reduced
Point72 Asset Management, L.P.1,293,931$127.8M0.30%+1,293,931New
The PNC Financial Services Group, Inc.1,252,682$123.7M0.08%−7,262−0.6%Reduced
First Trust Advisors LP1,231,343$121.6M0.10%−69,536−5.3%Reduced
State Board of Administration of Florida Retirement System1,212,268$119.7M0.21%+17,620+1.5%Added
Marshall Wace, LLP1,200,000$118.5M0.14%+1,200,000New
Port Capital LLC1,171,767$115.7M4.92%−105,590−8.3%Reduced
Balyasny Asset Management LLC1,134,453$112.0M0.25%+540,723+91.1%Added
Caisse de Depot Et Placement du Quebec1,133,613$111.9M0.24%−701,538−38.2%Reduced
SEI Investments Co1,130,122$111.6M0.13%+40,723+3.7%Added
Johnson Investment Counsel Inc1,129,510$111.5M1.00%−37,986−3.3%Reduced
Nordea Investment Management AB1,131,809$110.9M0.10%+1,034,935+1,068.3%Added
Manufacturers Life Insurance Company, The1,118,670$110.5M0.10%+37,220+3.4%Added
Adage Capital Partners GP, L.L.C.1,100,420$108.7M0.18%−272,400−19.8%Reduced
Great West Life Assurance Co1,089,800$107.7M0.17%+28,215+2.7%Added
DekaBank Deutsche Girozentrale1,086,445$106.5M0.19%+16,526+1.5%Added
Man Group plc1,069,905$105.7M0.23%−1,037,225−49.2%Reduced
Worldquant Millennium Advisors LLC1,068,185$105.5M0.52%+113,273+11.9%Added
Allspring Global Investments Holdings, LLC1,076,274$104.8M0.18%−50,772−4.5%Reduced
National Bank of Canada1,054,537$104.1M0.11%−791,318−42.9%Reduced
Baird Financial Group, Inc.1,052,532$103.9M0.18%+64,252+6.5%Added
Bradley Foster & Sargent Inc1,030,697$101.8M1.59%−6,147−0.6%Reduced
Fiera Capital Corp1,026,020$101.3M0.34%+45,256+4.6%Added
Russell Investments Group, Ltd.1,021,832$100.8M0.13%−601,433−37.1%Reduced
Cookson Peirce & Co Inc1,006,250$99.4M4.37%−21,001−2.0%Reduced
QRG Capital Management, Inc.999,014$98.7M0.86%+41,428+4.3%Added
Manning & Napier Advisors LLC990,350$97.8M1.17%+990,350New
Keybank National Association984,751$97.2M0.36%−114,374−10.4%Reduced
Standard Life Aberdeen plc982,830$97.1M0.17%+40,967+4.3%Added
Resona Asset Management Co.,Ltd.963,726$94.9M0.46%−149,241−13.4%Reduced
Mountain Pacific Investment Advisers Inc960,846$94.9M6.88%−121,544−11.2%Reduced
Canada Pension Plan Investment Board947,346$93.6M0.08%−319,188−25.2%Reduced
Analog Century Management LP942,861$93.1M5.46%−234,206−19.9%Reduced
Sands Capital Management, LLC940,121$92.8M0.27%+10,969+1.2%Added
Prudential Financial Inc932,218$92.1M0.12%+286,027+44.3%Added
LPL Financial LLC924,954$91.3M0.03%+134,114+17.0%Added
Lazard Freres Gestion S.A.S.918,649$90.7M1.89%−67,797−6.9%Reduced
United Super Pty Ltd in its capacity as Trustee for the Construction & Building Unions Superannuation Fund917,834$90.6M3.50%−49,278−5.1%Reduced
Arrowstreet Capital, Limited Partnership916,924$90.5M0.06%−1,060,006−53.6%Reduced
B. Metzler seel. Sohn & Co. AG910,162$89.9M0.86%−114,618−11.2%Reduced
Two Sigma Advisers, LP909,800$89.8M0.18%+909,800New
New York State Teachers Retirement System896,380$88.5M0.19%+12,884+1.5%Added
Aviva PLC857,641$84.7M0.17%+524,952+157.8%Added
USS Investment Management Ltd857,662$84.7M0.53%+608,483+244.2%Added
Williams Jones Wealth Management, LLC.853,720$84.3M1.01%−513−0.1%Reduced
Korea Investment CORP853,578$84.3M0.19%−68,049−7.4%Reduced
State Farm Mutual Automobile Insurance Co837,852$82.7M0.07%00.0%Unchanged
Compass Capital Management, Inc837,713$82.7M4.43%−79,440−8.7%Reduced
Captrust Financial Advisors816,418$80.6M0.18%−3,488−0.4%Reduced
Country Trust Bank808,848$79.9M1.79%−126,299−13.5%Reduced
J. Stern & Co. LLP871,809$78.2M6.68%+26,690+3.2%Added
BNP Paribas Arbitrage, SA789,134$77.9M0.06%−2,924,644−78.8%Reduced
AustralianSuper Pty Ltd788,740$77.9M0.39%+788,740New
Thrivent Financial for Lutherans782,215$77.1M0.17%−204,405−20.7%Reduced
Birch Hill Investment Advisors LLC775,352$76.6M3.40%−12,374−1.6%Reduced
Varenne Capital Partners773,745$76.4M19.28%+656,218+558.4%Added
Mercer Global Advisors Inc761,515$75.2M0.17%+38,865+5.4%Added
Nissay Asset Management Corp750,551$74.1M0.43%+24,595+3.4%Added
Zurich Insurance Group Ltd750,024$74.1M0.57%+715,024+2,042.9%Added
Mitsubishi UFJ Trust & Banking Corp744,045$73.5M0.17%−77,700−9.5%Reduced
US Bancorp726,354$71.7M0.09%+5,674+0.8%Added
Guinness Asset Management LTD724,311$71.5M1.28%−128,513−15.1%Reduced
Summit Trail Advisors, LLC719,190$71.1M1.22%+719,190New
Benjamin Edwards Inc716,680$70.8M0.90%−23,028−3.1%Reduced
Epoch Investment Partners, Inc.716,202$70.7M0.37%−49,852−6.5%Reduced
Royal London Asset Management Ltd706,286$69.7M0.16%−24,395−3.3%Reduced
Select Equity Group, L.P.676,886$66.8M0.28%−244,759−26.6%Reduced
Wedge Capital Management L L P674,251$66.6M1.19%−161,139−19.3%Reduced
Alta Capital Management LLC672,876$66.4M3.78%−33,177−4.7%Reduced
State of Wisconsin Investment Board672,244$66.4M0.16%−86,431−11.4%Reduced
Cubist Systematic Strategies, LLC670,468$66.2M0.72%+670,468New
Howland Capital Management LLC667,628$66.0M2.69%−11,055−1.6%Reduced
Gillespie Robinson & Grimm Inc648,779$64.1M4.76%−32,573−4.8%Reduced
Chevy Chase Trust Holdings, Inc.639,168$63.1M0.18%+3,780+0.6%Added
Sandhill Capital Partners LLC638,691$63.1M4.53%+2,368+0.4%Added
Toronto Dominion Bank635,474$62.8M0.13%+101,889+19.1%Added
Palisade Capital Management LLC631,649$62.4M1.77%−23,433−3.6%Reduced
Schonfeld Strategic Advisors LLC628,421$62.1M0.47%+520,201+480.7%Added
Teacher Retirement System of Texas624,099$61.6M0.26%−223,428−26.4%Reduced
Dundas Partners LLP617,382$61.0M4.24%00.0%Unchanged
Foster Dykema Cabot & Partners, LLC606,215$60.0M4.22%−2,980−0.5%Reduced
Ensign Peak Advisors, Inc606,921$59.9M0.10%+30,693+5.3%Added
M.D. Sass Investors Services, Inc.604,798$59.7M4.81%−440,568−42.1%Reduced
Robeco Institutional Asset Management B.V.593,997$58.7M0.09%−261,865−30.6%Reduced
CI Private Wealth, LLC592,072$58.5M0.08%+51,218+9.5%Added
Creative Planning572,301$56.5M0.05%+53,437+10.3%Added
Reynders McVeigh Capital Management, LLC569,812$56.3M2.81%−33,216−5.5%Reduced
Mariner, LLC569,857$56.3M0.08%+295,229+107.5%Added
Public Employees Retirement System of Ohio567,640$56.1M0.19%+22,915+4.2%Added
Treasurer of the State of North Carolina563,266$55.6M0.18%+22,540+4.2%Added