Rank 1702 of 3,368
Dennis Gillings net worth
Dennis Gillings's net worth is estimated at $2.4 billion as of 15 Oct 2026, according to Forbes Real-Time Billionaires. The fortune comes mainly from Quintiles.
- Country
- 🇬🇧 United Kingdom
- Industry
- Healthcare
- Age
- 82
- Self-made
- Yes
- City
- Durham
- Source of wealth
- Quintiles
+$206M
+9.4%
vs Mar 2026
Dennis's net worth over time
2 dated estimates since 2026
| As of | Net worth | Source |
|---|---|---|
| 15 Oct 2026 | $2.4B | Forbes Real-Time Billionaires |
| March 2026 | $2.2B | Forbes |
About Dennis Gillings
Dennis Gillings (United Kingdom) has 2 dated net worth estimates in the public record, the latest $2.4 billion as of 15 Oct 2026 from Forbes Real-Time Billionaires. The fortune is tied to Quintiles, which we classify under healthcare. Dennis was born in 1944. The earliest estimate we hold, $2.2 billion, is dated March 2026. That places Dennis at number 1,702 in the current ranking.
Companies linked to Dennis in the public record: IQVIA Holdings, Inc., University of North Carolina at Chapel Hill.
Sources
- Forbesforbes.com/real-time-billionaires/
- Forbes Real-Time Billionairesforbes.com/profile/dennis-gillings/
- Identity factsOpen public knowledge base record
The description is written by BillionaireList editors from public facts. How estimates are made: methodology.
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