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Amphenol Corp (APH) shareholders

APHNYSEElectronic ConnectorsFiscal year ends December 31
Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Oct 30, 2026Score 23/307% below fair value
$79.62+0.31 (+0.39%)

Close on Nov 12, 2026Market cap $196.60BP/E 34.7Yield 0.47%

Ownership

Institutional holdings as of Jun 30, 2026, from 13F filings

Held by institutions
94.7%
2.34B of 2.47B shares
Institutional holders
2,323
375 new, 141 sold out
Net institutional buying
45M
In Q2 2026
Insider trades, 12 months
1 buys · 17 sales
Net sold $405.93M

Shares held by institutions

Holders of more than 5%

Latest Schedule 13D (active) or 13G (passive) filed by each holder

HolderShares% of classFilingAs of
Vanguard Capital Management91,856,8077.47%13G (passive)Mar 31, 2026
FMR LLC
Joint filing with Abigail P. Johnson (7.10%)
86,361,3907.10%13G (passive) amendmentDec 31, 2025
Abigail P. Johnson
Joint filing with FMR LLC (5.70%)
70,486,3005.70%13G (passive) amendmentJun 30, 2026
BlackRock, Inc.48,850,2628.20%13G (passive) amendmentDec 31, 2023

Top institutional holders

13F holdings as of Jun 30, 2026

HolderShares% of APHValueChange% of portfolio
BlackRock, Inc.202,504,0768.20%$17.85B−1,428,0560.27%
Vanguard Capital Management LLC160,694,4166.51%$14.17B+943,5040.30%
FMR LLC141,138,0105.72%$12.44B−17,817,0320.54%
State Street Corp118,985,8964.82%$10.50B+4,193,0600.31%
Capital International Investors86,072,5163.49%$7.59B+15,404,8321.57%
JPMorgan Chase & Co78,397,4243.17%$6.52B−20,143,7320.36%
Vanguard Portfolio Management LLC71,377,5662.89%$6.29B−322,7760.28%
Price T Rowe Associates Inc /Md/64,022,6722.59%$5.64B+11,648,8620.56%
Geode Capital Management, LLC62,137,6682.52%$5.47B−454,2660.29%
Capital Research Global Investors58,975,6902.39%$5.20B+5,714,4320.73%
Morgan Stanley41,158,4601.67%$3.63B+6,133,5600.19%
Norges Bank38,387,7381.55%$3.38BNew0.34%
Wellington Management Group Llp33,159,8381.34%$2.92B+3,156,4960.50%
Bank Of America Corp /De/32,402,4621.31%$2.86B−8,948,9100.18%
Nuveen, LLC30,132,6081.22%$2.66B+3,887,6860.63%
Bank of New York Mellon Corp29,144,0461.18%$2.57B−3,480,1300.42%
Northern Trust Corp26,910,3201.09%$2.37B−28,7600.28%
Arrowstreet Capital, Limited Partnership23,772,2100.96%$2.10B+3,1520.93%
Goldman Sachs Group Inc21,533,7560.87%$1.90B−1,279,5920.16%
Massachusetts Financial Services Co /Ma/21,044,2240.85%$1.93B−6,885,0300.61%

Institutional buying and selling by quarter

Positions opened, added to, reduced and closed by 13F filers

QuarterHoldersShares held% of sharesNew / addedReduced / closedShares boughtShares sold
Q2 20262,3232.34B94.7%375 / 981777 / 141227M181M
Q1 20262,1292.31B93.7%254 / 867816 / 145481M404M
Q4 20252,0542.50B100.0%340 / 783747 / 83374M184M
Q3 20251,8292.31B93.7%284 / 722622 / 85228M267M
Q2 20251,6492.35B95.3%330 / 553573 / 89219M172M
Q1 20251,4252.31B93.7%181 / 602468 / 137212M177M
Q4 20241,4042.31B93.6%218 / 513497 / 87194M185M
Q3 20241,2932.31B93.4%121 / 509495 / 114324M174M
Q2 20241,2972.34B94.9%201 / 455481 / 46156M258M
Q1 20241,1562.46B99.6%143 / 405436 / 57114M103M
Q4 20231,0842.45B99.2%157 / 378387 / 65271M91M
Q3 20231,0082.27B92.0%93 / 354402 / 6073M89M

Top mutual fund and ETF holders

Latest monthly portfolio reports (Form N-PORT)

1,234 funds held APH in Q2 2026, 40% of their shares through ETFs. Each fund counts once per quarter, from its quarter-end report.

FundShares% of APHValue% of fundAs of
Vanguard Total Stock Market Index Fund39,056,1431.58%$6.89B0.30%Jun 30, 2026
Vanguard 500 Index Fund31,879,7521.29%$5.62B0.34%Jun 30, 2026
Fidelity Contrafund19,662,2600.80%$3.47B1.93%Jun 30, 2026
Growth Fund of America17,960,8330.73%$2.67B0.74%May 31, 2026
iShares Core S&P 500 ETF16,922,1490.69%$2.98B0.34%Jun 30, 2026
Fidelity 500 Index Fund15,730,2920.64%$2.34B0.28%May 31, 2026
Vanguard Growth Index Fund13,206,9400.53%$2.33B0.61%Jun 30, 2026
AMCAP Fund8,826,4450.36%$1.31B1.35%May 31, 2026
State Street(R) Technology Select Sector SPDR(R) ETF8,492,9920.34%$1.50B1.21%Jun 30, 2026
Vanguard Information Technology Index Fund8,437,1970.34%$1.26B0.73%May 31, 2026
New Perspective Fund7,461,2460.30%$1.32B0.77%Jun 30, 2026
Vanguard Dividend Appreciation Index Fund6,960,5960.28%$1.12B0.85%Jul 31, 2026
Vanguard Institutional Index Fund6,678,5400.27%$1.18B0.34%Jun 30, 2026
Washington Mutual Investors Fund6,135,3850.25%$985.96M0.45%Jul 31, 2026
Investment Co of America5,936,4730.24%$1.05B0.57%Jun 30, 2026

Officers, directors and major owners

People who filed Forms 3, 4 or 5 in the last two years

NameRoleShares owned% of sharesLatest filing
Richard Adam NorwittPresident & CEO, Director5,383,3680.22%Nov 3, 2026
Craig A. LampoEVP& CFO368,7780.01%Aug 6, 2026
David M. SilvermanEVP, Human Resources26,5000.00%Aug 5, 2026
Lance E. D'AmicoEVP, Secretary & GenCounsel101,4000.00%Aug 5, 2026
Luc WalterPresident, HES Division353,7420.01%May 27, 2026
Michael R. IvasSVP & Corporate Controller184,6430.01%May 27, 2026
William J. DohertyPresident, CS Division0–May 27, 2026
Peter StraubPresident, ISS Division0–May 27, 2026
Anne Clarke WolffDirector42,7060.00%May 27, 2026
Prahlad R. SinghDirector12,9280.00%May 27, 2026
Robert LivingstonDirector139,6320.01%May 27, 2026
Rita S. LaneDirector26,3980.00%May 27, 2026
David P. FalckDirector96,3460.00%May 27, 2026
Sanjiv LambaDirector2,1000.00%May 27, 2026
Nancy A. AltobelloDirector20,3940.00%May 27, 2026
Martin H. LoefflerDirector1,618,5980.07%Dec 11, 2025

Insider trades

Common stock transactions reported on Form 4, newest first

InsiderDateTransactionSharesPriceValueShares after
Richard Adam Norwitt
President & CEO, Director
Nov 2, 2026Gift−200,000––3,655,014
Richard Adam Norwitt
President & CEO, Director
Nov 2, 2026Sale−799,576$82.48$65.95M3,855,014
Richard Adam Norwitt
President & CEO, Director
Nov 2, 2026Option exercise+799,576$11.19$8.94M4,654,590
Craig A. Lampo
EVP& CFO
Aug 6, 2026Gift−54,547––0
David M. Silverman
EVP, Human Resources
Aug 5, 2026Sale−120,000$174.24$20.91M15,672
David M. Silverman
EVP, Human Resources
Aug 5, 2026Option exercise+120,000$22.00$2.64M135,672
Craig A. Lampo
EVP& CFO
Aug 4, 2026Option exercise+193,200$22.37$4.32M283,865
Craig A. Lampo
EVP& CFO
Aug 4, 2026Sale−193,200$167.31$32.32M90,665
Lance E. D'Amico
EVP, Secretary & GenCounsel
Aug 3, 2026Sale−10,000$161.82$1.62M0
Lance E. D'Amico
EVP, Secretary & GenCounsel
Aug 3, 2026Sale−40,000$161.82$6.47M0
Lance E. D'Amico
EVP, Secretary & GenCounsel
Aug 3, 2026Option exercise+40,000$22.37$894.80K40,000
Lance E. D'Amico
EVP, Secretary & GenCounsel
Aug 3, 2026Sale−50,000$161.99$8.10M57,065
Lance E. D'Amico
EVP, Secretary & GenCounsel
Aug 3, 2026Option exercise+10,000$22.55$225.50K10,000
Lance E. D'Amico
EVP, Secretary & GenCounsel
Aug 3, 2026Option exercise+50,000$22.55$1.13M107,065
Richard Adam Norwitt
President & CEO, Director
Jul 31, 2026Sale−186,104$162.27$30.20M864,177
Richard Adam Norwitt
President & CEO, Director
Jul 31, 2026Option exercise+186,104$22.37$4.16M1,050,281
Richard Adam Norwitt
President & CEO, Director
Jul 31, 2026Sale−500,000$161.57$80.79M1,927,507
Richard Adam Norwitt
President & CEO, Director
Jul 31, 2026Option exercise+500,000$22.37$11.19M2,427,507
Rita S. Lane
Director
May 22, 2026Award+1,552––1,552
David P. Falck
Director
May 22, 2026Award+1,552––1,552
Sanjiv Lamba
Director
May 22, 2026Award+1,552––1,552
Robert Livingston
Director
May 22, 2026Award+1,552––1,552
Nancy A. Altobello
Director
May 22, 2026Award+1,552––1,552
Anne Clarke Wolff
Director
May 22, 2026Award+1,552––1,552
Prahlad R. Singh
Director
May 22, 2026Award+1,552––1,552
Craig A. Lampo
Executive VP & CFO
May 20, 2026Other−41,203––70,907
Richard Adam Norwitt
President & CEO, Director
May 5, 2026Option exercise+17,500$22.37$391.48K1,945,007
Richard Adam Norwitt
President & CEO, Director
May 5, 2026Sale−17,500$143.21$2.51M1,927,507
Richard Adam Norwitt
President & CEO, Director
May 4, 2026Option exercise+52,203$22.37$1.17M1,979,710
Richard Adam Norwitt
President & CEO, Director
May 4, 2026Sale−52,203$142.04$7.41M1,927,507
Richard Adam Norwitt
President & CEO, Director
May 1, 2026Sale−61,072$143.90$8.79M1,927,507
Richard Adam Norwitt
President & CEO, Director
May 1, 2026Option exercise+61,072$22.37$1.37M1,988,579
Lance E. D'Amico
See Remarks
Feb 18, 2026Sale−50,000$149.88$7.49M57,065
Lance E. D'Amico
See Remarks
Feb 18, 2026Option exercise+50,000$22.55$1.13M107,065
Craig A. Lampo
Executive VP & CFO
Feb 18, 2026Sale−100,000$149.98$15.00M112,110
Craig A. Lampo
Executive VP & CFO
Feb 18, 2026Option exercise+100,000$22.00$2.20M212,110
Richard Adam Norwitt
President & CEO, Director
Feb 12, 2026Option exercise+515,281$22.37$11.53M2,442,788
Richard Adam Norwitt
President & CEO, Director
Feb 12, 2026Sale−515,281$147.27$75.89M1,927,507
Richard Adam Norwitt
President & CEO, Director
Feb 12, 2026Sale−93,052$147.17$13.69M864,177
Richard Adam Norwitt
President & CEO, Director
Feb 12, 2026Option exercise+93,052$22.37$2.08M957,229
Robert Livingston
Director
Feb 5, 2026Buy+10,000$128.51$1.29M135,720
Michael R. Ivas
VP & Corporate Controller
Feb 4, 2026Gift−25,000––154,948
Michael R. Ivas
VP & Corporate Controller
Feb 4, 2026Gift+25,000––25,000
Michael R. Ivas
VP & Corporate Controller
Feb 4, 2026Option exercise+25,000$22.37$559.25K179,948
Michael R. Ivas
VP & Corporate Controller
Jan 29, 2026Gift+2,536––154,948
Sanjiv Lamba
Director
Jan 8, 2026Award+548$136.25$74.67K548
Martin H. Loeffler
Director
Dec 10, 2025Gift−3,228––1,333,146
Richard Adam Norwitt
President & CEO, Director
Dec 9, 2025Gift−75,000––1,927,507
Craig A. Lampo
SR VP & CFO
Dec 3, 2025Gift+70,000––70,000
Craig A. Lampo
SR VP & CFO
Dec 3, 2025Gift−70,000––57,695
William J. Doherty
President, CS Division
Dec 2, 2025Sale−80,000$142.00$11.36M0
William J. Doherty
President, CS Division
Dec 2, 2025Option exercise+80,000$33.30$2.66M80,000
Peter Straub
President, ISS Division
Dec 2, 2025Sale−132,000$141.84$18.72M0
Peter Straub
President, ISS Division
Dec 2, 2025Option exercise+132,000$22.55$2.98M132,000
Craig A. Lampo
SR VP & CFO
Nov 26, 2025Gift−40,000––127,695
Craig A. Lampo
SR VP & CFO
Nov 11, 2025Sale−258,000$143.20$36.95M167,695
Craig A. Lampo
SR VP & CFO
Nov 11, 2025Option exercise+300,000$22.00$6.60M425,695
Craig A. Lampo
SR VP & CFO
Nov 11, 2025Option exercise+40,076$22.00$881.67K79,960
Craig A. Lampo
SR VP & CFO
Nov 11, 2025Sale−40,076$143.50$5.75M39,884
Michael R. Ivas
VP & Corporate Controller
Nov 5, 2025Sale−120,000$140.05$16.81M152,412

Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.

Short interest

Shares sold short and not yet bought back, as of Oct 30, 2026 (FINRA, reported twice a month)

Short % of float
1.13%
28M shares short
Days to cover
2.0
At 14M shares a day
Change since last report
+3.2%
From 27M shares
Short volume, 20 days
34.6%
Of volume reported to FINRA

Shares sold short, last 12 months

Short sale volume counts trades marked short on any given day, including market-maker hedging, so it runs far higher than the share of Amphenol's stock actually held short. Settlement fails (shares not delivered on time) peaked at 341,558 shares on Sep 4, 2026 over the last 90 days.

Planned insider sales

Notices of proposed sale filed on Form 144 before shares are sold

SellerFiledSharesMarket valuePlanned saleAcquired through
Richard Adam Norwitt
Officer
Nov 2, 2026799,576$65.95MNov 2, 2026Exercise of Options Under a Registered Plan
David M. Silverman
Officer
Aug 5, 2026120,000$20.91MAug 5, 2026Exercise of Options Under a Registered Plan
Craig A. Lampo
Officer
Aug 4, 2026193,200$32.32MAug 4, 2026Exercise of Options Under a Registered Plan
Lampo Family Trust
Officer
Aug 4, 202685,867$14.46MAug 4, 2026Exercise of Options Under a Registered Plan
Lance E Damico 2024 Irrv Trust
Officer
Aug 3, 202650,000$8.09MAug 3, 2026Exercise of Options Under a Registered Plan
Lance E. D'Amico
Officer
Aug 3, 202650,000$8.10MAug 3, 2026Exercise of Options Under a Registered Plan
Norwitt Family Trust
Officer
Jul 31, 2026186,104$30.20MJul 31, 2026Exercise of Options Under a Registered Plan
Richard Adam Norwitt
Officer
Jul 31, 2026500,000$80.79MJul 31, 2026Exercise of Options Under a Registered Plan
Richard Adam Norwitt
Officer
May 5, 202617,500$2.51MMay 5, 2026Exercise of options under a registered plan
Richard Adam Norwitt
Officer
May 4, 202652,203$7.41MMay 4, 2026Exercise of options under a registered plan
Richard Adam Norwitt
Officer
May 1, 202661,072$8.79MMay 1, 2026Exercise of options under a registered plan
Craig A. Lampo
Officer
Feb 18, 2026100,000$15.00MFeb 18, 2026Exercise of options under a registered plan
Lance E. D'Amico
Officer
Feb 18, 202650,000$7.49MFeb 18, 2026Exercise of options under a registered plan
Norwitt Family Trust
Officer
Feb 12, 202693,052$13.69MFeb 12, 2026Exercise of options under a registered plan
Richard Adam Norwitt
Officer
Feb 12, 2026515,281$75.88MFeb 12, 2026Exercise of options under a registered plan

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