WallStSmart

BlackRock Inc (BLK)vsSixth Street Specialty Lending Inc (TSLX)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

BlackRock Inc generates 5917% more annual revenue ($25.64B vs $426.10M). TSLX leads profitability with a 25.2% profit margin vs 24.4%. TSLX appears more attractively valued with a PEG of 1.28. BLK earns a higher WallStSmart Score of 78/100 (B+).

BLK

Strong Buy

78

out of 100

Grade: B+

Growth: 8.7Profit: 7.5Value: 5.7Quality: 7.0
Piotroski: 2/9Altman Z: 1.13

TSLX

Buy

58

out of 100

Grade: C

Growth: 4.7Profit: 7.5Value: 6.3Quality: 6.0
Piotroski: 3/9

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

BLK6 strengths · Avg: 8.8/10
Operating MarginProfitability
35.6%10/10

Strong operational efficiency at 35.6%

Market CapQuality
$158.18B9/10

Large-cap with strong market position

Profit MarginProfitability
24.4%9/10

Keeps 24 of every $100 in revenue as profit

Debt/EquityHealth
0.269/10

Conservative balance sheet, low leverage

Price/BookValuation
2.7x8/10

Reasonable price relative to book value

Revenue GrowthGrowth
27.0%8/10

Revenue surging 27.0% year-over-year

TSLX5 strengths · Avg: 9.4/10
Price/BookValuation
1.0x10/10

Reasonable price relative to book value

Operating MarginProfitability
74.2%10/10

Strong operational efficiency at 74.2%

Debt/EquityHealth
0.0010/10

Conservative balance sheet, low leverage

Profit MarginProfitability
25.2%9/10

Keeps 25 of every $100 in revenue as profit

P/E RatioValuation
15.0x8/10

Attractively priced relative to earnings

Areas to Watch

BLK4 concerns · Avg: 2.8/10
P/E RatioValuation
25.6x4/10

Moderate valuation

Piotroski F-ScoreQuality
2/93/10

Weak financial health signals

Free Cash FlowQuality
$-1.19B2/10

Negative free cash flow — burning cash

Altman Z-ScoreHealth
1.132/10

Distress zone — elevated risk

TSLX4 concerns · Avg: 2.8/10
Market CapQuality
$1.64B3/10

Smaller company, higher risk/reward

Return on EquityProfitability
0.0%3/10

ROE of 0.0% — below average capital efficiency

Piotroski F-ScoreQuality
3/93/10

Weak financial health signals

Revenue GrowthGrowth
-19.7%2/10

Revenue declined 19.7%

Comparative Analysis Report

WallStSmart Research

Bull Case : BLK

The strongest argument for BLK centers on Operating Margin, Market Cap, Profit Margin. Profitability is solid with margins at 24.4% and operating margin at 35.6%. Revenue growth of 27.0% demonstrates continued momentum.

Bull Case : TSLX

The strongest argument for TSLX centers on Price/Book, Operating Margin, Debt/Equity. Profitability is solid with margins at 25.2% and operating margin at 74.2%. PEG of 1.28 suggests the stock is reasonably priced for its growth.

Bear Case : BLK

The primary concerns for BLK are P/E Ratio, Piotroski F-Score, Free Cash Flow.

Bear Case : TSLX

The primary concerns for TSLX are Market Cap, Return on Equity, Piotroski F-Score.

Key Dynamics to Monitor

BLK profiles as a growth stock while TSLX is a declining play — different risk/reward profiles.

BLK carries more volatility with a beta of 1.46 — expect wider price swings.

BLK is growing revenue faster at 27.0% — sustainability is the question.

TSLX generates stronger free cash flow (6M), providing more financial flexibility.

Bottom Line

BLK scores higher overall (78/100 vs 58/100), backed by strong 24.4% margins and 27.0% revenue growth. Both earn "Strong Buy" and "Buy" ratings respectively — the choice depends on your investment horizon and risk tolerance.

This analysis is generated from publicly available financial data. Not financial advice.

BlackRock Inc

FINANCIAL SERVICES · ASSET MANAGEMENT · USA

BlackRock, Inc. is an American multinational investment management corporation based in New York City.

Sixth Street Specialty Lending Inc

FINANCIAL SERVICES · ASSET MANAGEMENT · USA

Sixth Street Specialty Lending Inc. (TSLX) is a prominent provider of debt investments, primarily targeting private equity-sponsored middle-market companies. With a flexible investment strategy at its core, TSLX prioritizes tailored capital solutions aimed at maximizing returns while effectively managing risk. Utilizing the extensive market knowledge and resources of Sixth Street Partners, the firm delivers innovative financing options that foster sustainable income and long-term shareholder value. As a key player in the specialty lending arena, TSLX is strategically positioned to capitalize on growth opportunities across its focused sectors.

Visit Website →

Want to dig deeper into these stocks?