StockDriftsStockDriftsTop 1 New Mountain Capital L L C Holdings
| Stock | Company | % Port. | Shares | Value | Activity | Ownership | Avg. Cost | Date |
|---|---|---|---|---|---|---|---|---|
| AVTR | AVANTOR INC | 100% | 14.00M | $138.6M | +0.00%(+0) | $25.35(-45.36%) | 2026-06-30 |
| Performance Metric | 3-Year Annualized | 3-Year Cumulative | 5-Year Annualized | 5-Year Cumulative | Since First Filing (15 quarters) |
|---|---|---|---|---|---|
| Top 20 Holdings Weighted | -22.96% | -54.27% | — | — | -52.47% |
| Top 20 Holdings Unweighted | -23.29% | -54.86% | — | — | -49.80% |
New Mountain Capital L L C reports $138.60M in US-listed equity holdings across 1 position in its most recent 13F filing. Its largest disclosed position is AVTR (100.0%). The top 20 holdings account for 100% of reported assets. Its disclosed equity book has returned -54.27% on a three-year cumulative basis. Figures reflect the Q2 2026 filing.
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Holdings on this page are parsed from New Mountain Capital L L C’s Form 13F filings with the U.S. Securities and Exchange Commission (CIK 1407718). View New Mountain Capital L L C’s 13F filings on SEC