Amphenol APH

$83.47

+$1.28 (+1.56%)

Market open · Sep 24, 1:10 pm ET

After hours $82.27 +0.10%

Open$80.38

Prev close$82.19

Day range$80.05 – $83.53

Volume4.77M

Market cap$205.83B

P/E (TTM)41.7

Dividend yield0.55%

Ownership & positioning

Who holds it, who is betting against it, and where the big money is moving

Institutional ownership97.1%-0.14 pts vs. prior quarter

Institutions holding2,700-13 vs. prior quarter

Insider trades (recent)7 buys / 4 sellsNet buying

Short interest1.10% of floatDays to cover 2.4 · as of 31 Aug 2026

Short-sale volume share23.5%5-day average of daily volume

Net of large-order buying minus selling, in USD. Over this window: −$131.92M (5 inflow days, 15 outflow days).

Institutional holders2,700

Institutional ownership97.1%

Total transactions17

Bought7

Sold4

Report date	Shares short	% of float	Days to cover
31 Aug 2026	13,561,221	1.1%	2.4
14 Aug 2026	14,772,899	1.2%	2.6
31 Jul 2026	15,418,079	1.3%	2.1
15 Jul 2026	16,508,135	1.3%	2.5
30 Jun 2026	15,988,270	1.3%	1.6
15 Jun 2026	17,223,423	1.4%	1.8