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Who owns Amphenol (APH) stock

2,251 funds reported Amphenol (APH) shares in their latest 13F filings, worth $208.7B in all. The largest holder is BlackRock ($17.9B). Last quarter 1,213 funds added to their stakes and 865 cut them. Members of Congress and other officials disclosed 4 trades (4 buys, 0 sales).

Largest holders of APH (13F)Largest holders of APH (13F)BlackRock$17.9BVanguard Group$17.1BVanguard Capital Management LLC$14.2BFMR LLC$12.4BState Street$10.5BCapital International Investors$7.6BVanguard Portfolio Management LLC$6.3BPrice T Rowe Associates$5.6BGeode Capital Management, LLC$5.5BCapital Research Global Investors$5.2B

Largest holders (13F)

FundSharesValueChangeQuarter
BlackRock101,252,038$17.9Bdecrease2026-06-30
Vanguard Group126,553,498$17.1Bincrease2025-12-31
Vanguard Capital Management LLC80,347,208$14.2Bincrease2026-06-30
FMR LLC70,569,005$12.4Bdecrease2026-06-30
State Street59,492,948$10.5Bincrease2026-06-30
Capital International Investors43,036,258$7.6Bincrease2026-06-30
Vanguard Portfolio Management LLC35,688,783$6.3Bdecrease2026-06-30
Price T Rowe Associates32,011,336$5.6Bincrease2026-06-30
Geode Capital Management, LLC31,068,834$5.5Bdecrease2026-06-30
Capital Research Global Investors29,487,845$5.2Bincrease2026-06-30
Morgan Stanley20,579,230$3.6Bincrease2026-06-30
Wellington Management Group LLP16,579,919$2.9Bincrease2026-06-30
Bank of America16,201,231$2.9Bdecrease2026-06-30
Nuveen, LLC15,066,304$2.7Bincrease2026-06-30
Bank of New York Mellon14,572,023$2.6Bdecrease2026-06-30

Trades by Congress and other officials

DateWhoTradeAmount
2026-08-18Gilbert Cisnerospurchase$1K–$15K
2026-07-10Dan Newhousepurchase$1K–$15K
2026-07-08Rick Larsenpurchase$1K–$15K
2026-03-27Alan Armstrongpurchase$1K–$15K

Amphenol's latest quarter

Amphenol, Q3 2026: revenue $10.2B (+65% year over year), operating margin 29.5%, net earnings $2.0B, operating cash flow $2.1B. The chart follows the revenue to costs, profit and cash.

Questions

Who owns the most APH stock?

By the latest 13F filings: BlackRock ($17.9B); Vanguard Group ($17.1B); Vanguard Capital Management LLC ($14.2B); FMR LLC ($12.4B); State Street ($10.5B).

Has Congress traded APH stock?

Officials disclosed 4 trades on file: 4 buys and 0 sales. The latest: Gilbert Cisneros, purchase on 2026-08-18.

What is the short interest in APH?

27,069,569 shares were sold short at the 2026-10-15 settlement, -11.63% of the float.

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Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.