Latest New Mountain Capital, L.L.C. Stock Portfolio

About New Mountain Capital, L.L.C. and 13F Hedge Fund Stock Holdings

New Mountain Capital, L.L.C. is a hedge fund based in NEW YORK, NY. On 30-Mar-2023, the fund reported that it had an AUM (Regulated Assets under Management) of $29.1 Billions. In it's latest 13F Holdings report, New Mountain Capital, L.L.C. reported an equity portfolio of $174.7 Millions as of 30 Sep, 2025.

The top stock holdings of New Mountain Capital, L.L.C. are AVTR. The fund has invested 100% of it's portfolio in AVANTOR INC and NA% of portfolio in NA.

New Mountain Capital, L.L.C. Annual Return Estimates Vs S&P 500

New Buys

No new stocks were added by New Mountain Capital, L.L.C.

Additions

No additions were made to existing positions by New Mountain Capital, L.L.C.

Reductions

None of the existing positions were reduced by New Mountain Capital, L.L.C.

Sold off

None of the stocks were completely sold off by New Mountain Capital, L.L.C.

Sector Distribution

Sector	%
Basic Materials	100

Market Cap. Distribution

Category	%
LARGE-CAP	100

Stocks belong to which Index?

Index	%
Others	100

Top 5 Winners (%)		%

Top 5 Winners ($)		$

Top 5 Losers (%)		%
AVTR	avantor inc	-7.3 %

Top 5 Losers ($)		$
AVTR	avantor inc	-13.7 M

New Mountain Capital, L.L.C. Holdings Map

This heatmap illustrates the top 50 positions within the fund's portfolio.

Current Stock Holdings of New Mountain Capital, L.L.C.

Last Reported on: 14 Nov, 2025

	Ticker	Namesorted ascending	% Portfolio	Shares Held	$ Value	Type	% Change	Options
	AVTR	avantor inc	100	14,000,000	174,720,000	unchanged	0.00