O’Neal Endo (Topeka, KS)

OWNERSHIP PATH

The layers behind the sign

1. Business or brandO’Neal Endo (Topeka, KS)
2. Parent platformSpecialized Dental Partners

   O’Neal Endo (Topeka, KS) is listed by an official source as part of Specialized Dental Partners.

   Evidence [1]
3. Private-equity investorQuad-C Management Inc.

   Quad-C Management Inc. is the current investment firm connected to Specialized Dental Partners. Ownership: Quad-C Management Inc. is identified on Quad-C’s own portfolio page as being invested in Specialized Dental Partners, and that page is explicitly labeled as current portfolio, which serves as a direct primary source that Quad-C currently owns an equity stake in Specialized Dental Partners; the percentage is not disclosed. Quad-C also issued a formal news release on its website announcing an investment in U.S. Endodontics Partners, the predecessor platform that later rebranded to Specialized Dental Partners, documenting the transaction but not specifying stake size or control terms. These two items satisfy the requirement of at least one direct primary source for current ownership, with terms undisclosed. Multiple independent transaction and deal-flow sources – including healthcare deal newsletters, acquisition notes, and PE roll-up trackers – consistently describe Specialized Dental Partners as a portfolio company of Quad-C Management or as “owned by” or “backed by” Quad-C in 2023–2026 coverage, with no evidence of a subsequent sale or recapitalization to a different sponsor. One independent source also documents Thurston Group’s earlier exit from U.S. Endodontics Partners to Quad-C, which supports Quad-C as successor owner and shows that Thurston is no longer the owner. Another transaction database lists Quad-C Management among Specialized Dental Partners’ investors alongside a debt provider, reinforcing that Quad-C is the equity sponsor while not contradicting the ownership characterization. No credible source indicates that Quad-C has exited its investment o

   Evidence [2]