The first entry is always the pin's source. Overall confidence is a weighted average of how firmly each reference supports the start and end times used above; a reference counts half as much for every 180 days older than the newest.
BioPharma Dive (published Nov. 21, 2025): Lilly "on Friday briefly became the first drugmaker to reach $1 trillion in market value"; Reuters the same day: "Eli Lilly hit $1 trillion in market value on Friday". Nasdaq's[4] daily prices show the 21 Nov close of $1,059.70 x 945,383,757 shares (10-Q cover) = $1.0018 trillion, and the 20 Nov high of $1,057.00 below the mark, so 21 Nov is the first day both intraday and at the close.
Reuters report the same day: Lilly hit $1 trillion in market value on Friday, shares briefly at a record and trading near $1,051; 35% rally, 50x forward earnings, tirzepatide outselling Keytruda.[1]
CNBC on the milestone: first health-care company to reach $1 trillion, second US non-tech company after Berkshire Hathaway; Q3 2025 Mounjaro and Zepbound sales; Novo Nordisk down nearly 45% in 2025.
Nasdaq's daily quotes: 21 Nov 2025 high $1,066.65, close $1,059.70; 20 Nov close $1,043.29, high $1,057.00 - the day the $1 trillion mark (about $1,057.79 a share) was first reached and held at the close.
Cover page: 945,383,757 shares of common stock outstanding as of October 27, 2025 - the share count that turns the 21 Nov close into a market value above $1 trillion.[1]
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