Probably, but you can check out a more robust list here: https://blog.cloudflare.com/tag/acquisitions/

* BastionZero

* Kivera

* Baselime

* PartyKit

* Area 1

* Vectrix

* Zaraz

* Linc

* S2 Systems Corporation

* Neumob

* Eager

* CryptoSeal

* StopTheHacker

Not everything seems to be tagged as acquisition. Dyte.io was acquired, and announced here: https://blog.cloudflare.com/introducing-cloudflare-realtime-...