As of November 6, 2026, New Mountain Finance Corp is a publicly traded company (Nasdaq: NMFC). The largest holder reporting an active stake on Schedule 13D is Steven B. Klinsky, a director and 10% owner, at 12.52%. No bankruptcy or receivership appears in its SEC Form 8-K filings (Schedule 13D/A, March 12, 2026).
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Is New Mountain Finance Corp a real, registered company?
- New Mountain Finance Corporation files with the SEC under CIK 1496099 (its SEC filings).
- Its shares are listed under the ticker NMFC on Nasdaq (also NMFCZ) (SEC company record).
- Incorporated in X1; business address in New York, New York, as its SEC filings state.
- Court and bankruptcy records: see Before you sign or pay below.
Before you sign or pay
- Court and bankruptcy: No federal court case or bankruptcy filing found under New Mountain Finance Corporation in our court records and SEC 8-K records (as of 2026-11-06).
- Leadership changes: the latest reported is Laura C. Holson, Chief Financial Officer (Form 8-K filed 2026-05-04). Check you are dealing with the people now in charge.
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names Klinsky Steven B (filed 2026-03-12).
Who are New Mountain Finance Corp's owners and officers?
New Mountain Finance Corp: business address in New York, New York (Form D, 2026-05-04).
| Report | Holder | Share |
|---|---|---|
| Schedule 13D/A, 2026-03-12 | Klinsky Steven B | 12.52% |
| Schedule 13D/A, 2026-03-03 | Klinsky Steven B | 11.01% |
Questions about who owns New Mountain Finance Corp
Who owns New Mountain Finance Corp?
On this page, one holder's latest ownership filing reports 5% or more of New Mountain Finance Corp: Klinsky Steven B (12.52%, Schedule 13D/A, filed 2026-03-12).
When did Klinsky Steven B buy into New Mountain Finance Corp?
The filings give report dates, not purchase dates. The earliest filing from Klinsky Steven B on this page is the Schedule 13D/A, filed 2026-03-03, reporting 11.01%; its latest, Schedule 13D/A filed 2026-03-12, reports 12.52%. That earliest filing is itself an amendment, which updates an earlier report.
Is this an audit or a full list?
Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 2 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.
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| Filed | Person | Role | Change | Effective |
|---|---|---|---|---|
| Form 8-K, 2026-05-04 | Laura C. Holson | Chief Financial Officer | appointed | 2026-05-29 |
Which insiders own New Mountain Finance Corp shares?
Directors, officers and holders of 10% or more report their shares on Forms 3, 4 and 5. Each line is the latest such report, largest holding first.
- , a director and 10% owner: 6,342,681.91 shares (6.7% of shares outstanding), 116,823.91 held directly and 6,225,858 indirectly (Form 4, 2026-03-12).
- , the executive vice president and chief accounting officer: 751,756.32 shares (0.80% of shares outstanding) (Form 4, 2026-03-18).
- , the chief executive and president: 389,685.15 shares (0.41% of shares outstanding) (Form 4, 2026-09-11).
- , the chief executive and president: 351,783.3 shares (0.37% of shares outstanding) (Form 4, 2024-11-08).
- , a director: 257,556 shares (0.27% of shares outstanding), 241,556 held directly and 16,000 indirectly (Form 4, 2026-03-04).
Shares outstanding: 94,452,390 as of 2026-11-02, from the company's latest SEC cover page.
How much has New Mountain Finance Corp raised?
Acquisitions reported on Form 8-K, Item 2.01: completed an acquisition (2026-03-13).
Keep reading
More on New Mountain Finance Corp and the records around it.
New Mountain Finance Corp elsewhere on the record
- Leadership changes May 2026
- 5%+ stake filings Mar 2026
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