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ADP Funding History

Since ADP was founded in 1949, it has participated in 6 rounds of funding. In total ADP has raised $3.0B. ADP's last funding round was on May 2026 for a total of $1.0B.

ADP Funding Rounds

Unlock 3 more funding rounds →

ROUND

FUNDING DATE

AMOUNT

NUMBER OF INVESTORS

INVESTORS

Post-IPO Debt
May 2026
$1B
__
Post-IPO Debt
May 2025
$1B
__
Post-IPO Debt
May 2021
$1B
__
Post-IPO Equity
Aug 2017
--
1
Pershing Square Capital Management
Post-IPO Equity
Dec 2005
$2M
2
Edison Ventures,  Carmel Associates

Total Funding: $3B

ADP Investors

INVESTOR

ROUND

FUNDING DATE

Pershing Square Capital Management
Post-IPO Equity
Aug 2017
Edison Ventures
Post-IPO Equity
Dec 2005
Carmel Associates
Post-IPO Equity
Dec 2005

Total Investors: 3

ADP has 3 investors, including Pershing Square Capital Management, Edison Ventures and Carmel Associates. The latest investment occurred in May 2026.