PDL Biopharma
PDL BioPharma, Inc. engages in intellectual property asset management, and patent portfolio and related assets investment activities. Intellectual Property Patents The company has been issued patents in the United States and elsewhere, covering the humanization of antibodies, which are referred to as its Queen et al. patents.The company was founded as a Delaware corporation in 1986 under the name Protein Design Labs, Inc. and changed its name to PDL BioPharma, Inc. in 2006.
What If You Bought PDLI Earlier?
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 |
|---|---|---|---|---|
| Oct 10, 2001 | — | 2-for-1 | 2× | 2× |
PDL Biopharma Market Cap Timeline
Validated annual market-cap history is available from 2001. Split markers cover all 1 recorded split. Filled dots have market-cap data for that year; hollow dots mark split years outside market-cap source coverage.