Amgen
AMGN · NYSE American · Pharmaceuticals, Dow jones, Biotech · Founded 1983
The biotechnology company Amgen was founded in 1980 as AMGen. With approximately 20,000 employees, Amgen is one of the world's largest biotechnology companies with annual sales of approximately $ 24 billion in 2018.
Current Price
$466.01
Market Cap
$252B
Return Since Last Split
+1349%
Last Split
Nov 22, 1999
Total Splits
5
Cumulative Multiple
48×
What If You Bought AMGN Earlier?
Investment
Purchase Date (Before Split)
Worth Today
$2,236,848
4,800 shares · 48×
Estimate based on split history only. Excludes dividends, fees, taxes, and intraday movement.
Stock Split History
Newest split first. Cumulative multiple = compounded growth from that date to today.
| Split Date | Price Before | Ratio | Split Multiple | Cumulative |
|---|---|---|---|---|
| Nov 22, 1999 | $94.69 | 2-for-1 | 2× | 48× |
| Mar 1, 1999 | $124.88 | 2-for-1 | 2× | 24× |
| Aug 16, 1995 | $94.13 | 2-for-1 | 2× | 12× |
| Sep 11, 1991 | $160.38 | 3-for-1 | 3× | 6× |
| Aug 13, 1990 | $88.00 | 2-for-1 | 2× | 2× |
Amgen Market Cap Timeline
Market capitalization is available from 1996; the sourced public-listing year is 1983, so earlier annual values remain unavailable. Split markers cover all 5 recorded splits. Filled dots have market-cap data for that year; hollow dots mark split years outside market-cap source coverage.
Frequently Asked Questions
Amgen's latest record in the split calendar is a 2-for-1 forward split effective 1999-11-22.