New Mountain Finance [NMFC] vs Sixth Street [TSLX] Detailed Stock Comparison

TLDR: Quick Comparison Summary

Based on 19 vital metrics comparison: New Mountain Finance Corporation wins in 10 metrics, Sixth Street Specialty Lending Inc. wins in 9 metrics, with 0 ties. New Mountain Finance Corporation appears stronger overall.

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Vital Metrics Comparison

Metric New Mountain Finance Corporation Sixth Street Specialty Lending Inc. Better
P/E Ratio (TTM) 51.50 10.27 Sixth Street Specialty Lending Inc.
Price-to-Book Ratio 0.72 1.10 New Mountain Finance Corporation
Debt-to-Equity Ratio 140.66 108.43 Sixth Street Specialty Lending Inc.
PEG Ratio 7.70 9.57 New Mountain Finance Corporation
Profit Margin (TTM) 5.04% 37.97% Sixth Street Specialty Lending Inc.
Operating Margin (TTM) 80.85% 77.00% New Mountain Finance Corporation
EBITDA Margin (TTM) 80.85% 77.00% New Mountain Finance Corporation
Return on Equity 1.33% 10.61% Sixth Street Specialty Lending Inc.
Return on Assets (TTM) 5.29% 6.16% Sixth Street Specialty Lending Inc.
Free Cash Flow (TTM) $378.98M $401.58M Sixth Street Specialty Lending Inc.
Dividend Yield 20.92% 10.95% New Mountain Finance Corporation
1-Year Return -24.86% -27.53% New Mountain Finance Corporation
Price-to-Sales Ratio (TTM) 2.54 3.95 New Mountain Finance Corporation
Enterprise Value $2.43B $3.51B Sixth Street Specialty Lending Inc.
EV/Revenue Ratio 7.42 7.82 New Mountain Finance Corporation
Revenue per Share (TTM) $3 $5 Sixth Street Specialty Lending Inc.
Earnings per Share (Diluted) $0.16 $1.82 Sixth Street Specialty Lending Inc.
Beta (Stock Volatility) 0.60 0.69 New Mountain Finance Corporation
Short % of Float 3.96% 9.05% New Mountain Finance Corporation

New Mountain Finance Corporation vs Sixth Street Specialty Lending Inc. Stock Performance Analysis

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Performance Comparison

Short-term Returns

Stock1D1W1M3M6MYTD
New Mountain Finance Corporation-2.14%-0.13%-3.83%0.00%-18.87%-15.62%
Sixth Street Specialty Lending Inc.-2.96%-4.37%-7.50%-7.19%-25.01%-24.28%

Long-term Returns

Stock1Y3Y5Y10Y15Y20Y
New Mountain Finance Corporation-24.86%-35.15%-37.94%-35.47%-38.37%-38.85%
Sixth Street Specialty Lending Inc.-27.53%-9.67%-21.72%2.86%5.63%5.63%

Performance & Financial Health Analysis: New Mountain Finance Corporation vs Sixth Street Specialty Lending Inc.

MetricNMFCTSLX
Market Information
Market Cap i$812.50M$1.78B
Market Cap CategorySmall capSmall cap
10 Day Avg. Volume i722,168672,080
90 Day Avg. Volume i1,125,276799,027
Last Close$7.78$16.40
52 Week Range$7.48 - $10.90$16.37 - $25.17
% from 52W High-28.62%-34.84%
All-Time High$15.83 (Sep 17, 2012)$25.17 (Jul 18, 2025)
% from All-Time High-50.85%-34.84%
Growth Metrics
Quarterly Revenue Growth-0.15%-0.13%
Quarterly Earnings Growth-1.94%-0.41%
Financial Health
Profit Margin (TTM) i0.05%0.38%
Operating Margin (TTM) i0.81%0.77%
Return on Equity (TTM) i0.01%0.11%
Debt to Equity (MRQ) i140.66108.43
Cash & Liquidity
Book Value per Share (MRQ)$11.52$16.98
Cash per Share (MRQ)$0.80$0.03
Operating Cash Flow (TTM) i$378.98M$401.58M
Levered Free Cash Flow (TTM) i$92.60M$123.24M
Dividends
Last 12-Month Dividend Yield i20.92%10.95%
Last 12-Month Dividend i$1.60$1.99

Valuation & Enterprise Metrics Analysis: New Mountain Finance Corporation vs Sixth Street Specialty Lending Inc.

MetricNMFC (Apr 24, 2026)TSLX (Apr 26, 2026)
Price Ratios
P/E Ratio (TTM) i51.5010.27
Forward P/E i7.709.57
PEG Ratio i7.709.57
Price to Sales (TTM) i2.543.95
Price to Book (MRQ) i0.721.10
Market Capitalization
Market Capitalization i$812.50M$1.78B
Enterprise Value i$2.43B$3.51B
Enterprise Value Metrics
Enterprise to Revenue i7.427.82
Enterprise to EBITDA iN/AN/A
Risk & Other Metrics
Beta i0.600.69
Book Value per Share (MRQ) i$11.52$16.98

Financial Statements Comparison: New Mountain Finance Corporation vs Sixth Street Specialty Lending Inc.

Financial Metrics

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Revenue

Operating Margin

Profit Margin

Long Term Debt

Income Flow Analysis

Financial Statements Comparison

Income Statement

MetricNMFC (2025)TSLX (2025)
Revenue/Sales i14.84M216.57M
Cost of Goods Sold iN/AN/A
COGS % of Revenue i0.0%0.0%
Gross Profit iN/AN/A
Gross Margin i0.0%0.0%
Research & Development iN/AN/A
Operating Income (EBIT) iN/AN/A
Operating Margin i0.0%0.0%
EBITDA iN/AN/A
EBITDA Margin i0.0%0.0%
Pre-Tax Income i17.40M176.26M
Pre-Tax Income % of Revenue i117.3%81.4%
Income Tax i430,0005.74M
Income Tax % of Revenue i2.9%2.6%
Net Income (Profit) i16.97M170.52M
Profit Margin i114.4%78.7%

Balance Sheet & Liquidity Metrics

MetricNMFC (2025)TSLX (2025)
Cash & Equivalents i80.72M2.94M
Total Current Assets iN/AN/A
Total Current Assets % of Revenue i0.0%0.0%
Total Current Liabilities iN/AN/A
Total Current Liabilities % of Revenue i0.0%0.0%
Long-Term Debt i1.67B1.74B
Long-Term Debt % of Revenue i11,258.9%804.9%
Total Shareholders Equity i1.19B1.61B
Retained Earnings i-121.68M81.64M
Retained Earnings % of Revenue i-819.8%37.7%
Property, Plant & Equipment iN/AN/A

Cash Flow Statement Comparison

MetricNMFC (2025)TSLX (2025)
Operating Cash Flow i-41.41M152.53M
Operating Cash Flow % of Revenue i-279.0%70.4%
Capital Expenditures iN/AN/A
Free Cash Flow i378.98M401.58M
FCF Margin i2,553.4%185.4%
Debt Repayment i-909.60M-1.57B
Common Stock Repurchase i-51.95MN/A

Short Interest & Institutional Ownership Analysis

MetricNMFCTSLX
Shares Short i3.32M8.27M
Short Ratio i2.1710.22
Short % of Float i3.96%9.05%
Shares Outstanding i102.64M94.71M
Float Shares iN/AN/A
% Held by Insiders i14.85%0.47%
% Held by Institutions i38.46%57.57%
% Held by Public i46.69%41.96%

Dividend Analysis & Yield Comparison: New Mountain Finance Corporation vs Sixth Street Specialty Lending Inc.

MetricNMFCTSLX
Last 12-Month Dividend i$1.60$1.99
Last 12-Month Dividend Yield i20.92%10.95%
3-Year Avg Annual Dividend i$1.49$2.05
3-Year Avg Dividend Yield i2.88%1.22%
3-Year Total Dividends i$4.46$6.16
Ex-Dividend DateMar 17, 2026Mar 16, 2026