New Mountain Capital, L.L.C.

In its 13F for Q4 2024 (holdings as of December 31, 2024, filed February 13, 2025), New Mountain Capital, L.L.C. reported 1 stock position worth $295.0 million. Its top holding was Avantor (AVTR) at 100.0% of the portfolio. Compared with Q3 2024, it sold out of 1. The biggest sale was an exit from R1 RCM (RCM).

Most Recent 13F
Q2 2026
Location
New York, NY
CIK
0001407718
Portfolio Value
$295.0M (Q4 2024)
SEC Filing
0001172661-25-000797 ↗ filed Feb 13, 2025

Holdings Value

0$500.0M$1.0B$1.5B$2.0B Q1 2024: $1.6B Q1 2024 Q2 2024: $1.5B Q2 2024 Q3 2024: $1.7B Q3 2024 Q4 2024: $295.0M $295.0M Q4 2024 Q1 2025: $226.9M Q1 2025 Q2 2025: $188.4M Q2 2025 Q3 2025: $174.7M Q3 2025 Q4 2025: $160.4M Q4 2025 Q1 2026: $109.8M Q1 2026 Q2 2026: $138.6M Q2 2026

Holdings 1 stocks · $295.0M
AVTR Avantor Inc. 100.00% 14,000,000 $295.0M No change

Portfolio Sells Q3 2024 → Q4 2024
RCM R1 RCM Inc. Sold out 0.00% −78.80

Portfolio Buys Q3 2024 → Q4 2024
None this quarter.

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 1$138.6MAVTR
Q1 2026 1$109.8MAVTR
Q4 2025 1$160.4MAVTR
Q3 2025 1$174.7MAVTR
Q2 2025 1$188.4MAVTR
Q1 2025 1$226.9MAVTR
Q4 2024 1$295.0MAVTR
Q3 2024 2$1.7BRCM, AVTR
Q2 2024 2$1.5BRCM, AVTR
Q1 2024 2$1.6BRCM, AVTR