On the record · Investment firm
KKR (Kohlberg Kravis Roberts)
One of the largest global PE firms with $500B+ in AUM across healthcare, retail, and infrastructure
Also known as KKR & Co. Inc., Kohlberg Kravis Roberts
Research depth
Transactions sourced
At least one recorded transaction has a public source.
Record updated Oct. 10, 2026
Current ownership
Current owner not established
This record does not identify a current owner. That absence is a gap in the record, not a conclusion about ownership.
Ownership and transaction history
Chronology from recorded ownership periods, transactions and reviewed outcome events. Event order does not imply causation.
April 19, 2021
Acquirer: Thoma Bravo · Target: Calabrio · Sponsor: Thoma Bravo
Recorded history
Nov. 17, 2006
Hercules Holding II take-private of HCA Inc. (2006)
Take-private · Completed · Recorded transaction
July 6, 2007
Buck Holdings take-private of Dollar General Corporation (2007)
Take-private · Completed · Recorded transaction
Oct. 11, 2018
KKR acquires Envision Healthcare
Leveraged buyout · Completed · Recorded transaction
July 22, 2021
Minority investment · Announced · Recorded transaction
April 12, 2022
Leveraged buyout · Announced · Recorded transaction
May 18, 2022
Leveraged buyout · Announced · Recorded transaction
Oct. 5, 2022
Minority investment · Announced · Recorded transaction
July 16, 2025
Minority investment · Announced · Recorded transaction
Sources and evidence
Recorded transaction sources
These support a recorded transaction row. They have not passed the separate evidence-review process.
- R1KKR Completes Acquisition of Envision Healthcare Corporation
KKR · Company announcement · Oct. 11, 2018
Supports: Recorded transaction
- R2Thoma Bravo Completes Acquisition of Calabrio | Thoma Bravo
Thoma Bravo · Company announcement · Retrieved Sept. 9, 2026
Supports: Recorded transaction
- R3Thoma Bravo Announces Strategic Acquisition of Calabrio to Accelerate Company's Cloud-first Customer Experience Growth | Thoma Bravo
Thoma Bravo · Company announcement · Retrieved Sept. 9, 2026
Supports: Recorded transaction
- R4Sol Systems Partners with KKR to Scale Impact-Focused Renewable Energy Solutions - Sol Systems
Sol Systems · Company announcement · July 22, 2021
Supports: Recorded transaction
- R5KKR to Acquire Barracuda Networks | Thoma Bravo
Thoma Bravo · Company announcement · Retrieved Sept. 8, 2026
Supports: Recorded transaction
- R6
- R7NetSPI Raises $410 Million in Growth Funding from KKR
Sunstone Partners · Company announcement · Oct. 5, 2022
Supports: Recorded transaction
- R8Leadership Advisory Firm ghSMART Announces Significant Minority Investment from KKR | ghSMART
ghSMART · Company announcement · Retrieved Sept. 6, 2026
Supports: Recorded transaction
What we do not know
These are gaps in the public record, not findings about the organization.
- The organization's operating status has not been researched.
- No current public ownership assessment has been published.
Help improve this record
Firsthand experience, public sources and corrections can help close the gaps above.