Mustang Bio, Inc. (MBIO) Key Metrics

NASDAQ: MBIOValuation, returns, debt and efficiency ratios over 10 years.

MBIO valuation today

Trailing 12 months · as of October 18, 2026
Market cap
$2.9M
Enterprise value
−$13.4M
P/E (TTM)
—
Forward P/E
—
PEG ratio
—
Price / sales
—
Price / book
0.5
10-yr median 101.1
EV / EBITDA
—
Dividend yield
—
Beta
2.09

MBIO key metrics, 2016–2025

Fiscal year ended December 31, 2025 · U.S. dollars

MBIO valuation Price multiples at each fiscal year-end price.

Price / book
0.5
2025 · hover or tap a bar for each year
2017: 253.02018: 108.8 (−57.0%)2019: 142.4 (+30.9%)2020: 101.1 (−29.0%)2021: 64.9 (−35.8%)2022: 44.1 (−32.0%)2025: 0.5
20162025
Free cash flow yield−88.3 pts
−109.3%
2025 · hover or tap a bar for each year
2017: −0.1%2018: −0.7% (−0.6 pts)2019: −0.5% (+0.2 pts)2020: −0.4% (+0.1 pts)2021: −0.8% (−0.4 pts)2022: −3.3% (−2.5 pts)2023: −8.5% (−5.2 pts)2024: −21.0% (−12.5 pts)2025: −109.3% (−88.3 pts)
20162025

MBIO valuation history

Fiscal year-endToday10-year median

MBIO returns on capital

ROEROICROA

Net income (ROE, ROA) or after-tax operating income (ROIC) divided by the average of the opening and closing balance.

MBIO debt vs cash

Total debtCash & short-term investments

Debt includes short- and long-term borrowings and, where reported, lease liabilities.

MBIO cash returned to shareholders

DividendsBuybacksFree cash flow

MBIO price vs earnings per share

Share price at year-endEPS (right axis)

MBIO key metrics

2016–2025
Mustang Bio, Inc. key metrics by fiscal year
2025202420232022202120202019201820172016
Valuation
Market capitalization$4.8M$54.2M$580.8M$2.04B$7.29B$9.95B$7.36B$3.96B$15.14B—
Enterprise value−$12.5M$48.3M$577.0M$2.00B$7.19B$9.86B$7.31B$3.93B$15.08B—
Price / book0.5——44.164.9101.1142.4108.8253.0—
Earnings yield−39.9%−29.0%−8.9%−3.8%−0.9%−0.6%−0.7%−0.8%−0.2%—
Free cash flow yield−109.3%−21.0%−8.5%−3.3%−0.8%−0.4%−0.5%−0.7%−0.1%—
Dividend yield5.7%1.1%0.1%—————0.0%—
Shareholder yield (dividends + buybacks)5.7%1.1%0.1%——0.0%0.0%0.0%0.0%—
Share price at fiscal year-end$0.98$8.85$67.50$296.18$1,245.00$2,838.75$3,060.00$2,205.00$8,992.50—
Per share
Revenue per share$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00
Earnings per share−$0.39−$2.57−$6.00−$11.24−$11.33−$17.12−$20.03−$17.07−$18.58−$7.24
Operating cash flow per share−$1.07−$1.86−$5.75−$9.44−$9.16−$10.64−$13.97−$10.71−$7.69−$2.36
Free cash flow per share−$1.07−$1.86−$5.76−$9.88−$10.08−$11.90−$15.51−$15.13−$9.35−$2.36
Cash per share$3.52$1.12$0.72$10.97$18.71$27.90$25.54$18.97$36.22$15.72
Book value per share$1.94−$0.63$0.01$6.71$19.18$28.08$21.48$20.26$35.54$13.88
Tangible book value per share$1.94−$0.63$0.01$6.71$19.18$28.08$21.48$20.26$35.54$13.88
Dividends per share$0.06$0.10$0.06—————$0.19$0.00
Capex per share$0.00$0.00$0.01$0.45$0.92$1.26$1.54$4.42$1.66$0.24
Debt per share—$0.14$0.29$4.55$0.35$0.64$6.46—$0.00$0.18
Shares outstanding4.9M6.1M8.6M6.9M5.9M3.5M2.4M1.8M1.7M1.7M
Change in shares outstanding−19.9%−28.8%+24.8%+17.7%+67.1%+45.8%+33.8%+6.7%−3.7%—
Returns & profitability
Return on equity (ROE)−67.9%—−222.4%−97.7%−63.0%−80.0%−109.4%−63.7%−74.4%−125.6%
Return on invested capital (ROIC)——————−896.0%———
Return on assets (ROA)−14.3%−116.5%−93.7%−71.3%−56.5%−65.5%−82.9%−57.7%−68.8%−46.0%
Return on tangible assets−10.9%−169.2%−290.8%−83.9%−53.0%−54.6%−65.6%−71.7%−49.3%−46.0%
Financial health
Total debt—$878,000$2.5M$31.4M$2.0M$2.2M$15.5M—$0$320,000
Cash & short-term investments$17.3M$6.8M$6.2M$75.7M$109.6M$97.8M$61.4M$34.1M$61.0M$27.5M
Net debt−$17.3M−$6.0M−$3.7M−$44.3M−$107.6M−$95.6M−$45.9M−$34.1M−$61.0M−$27.2M
Debt / equity——20.310.680.020.020.30—0.000.01
Debt / assets—0.090.140.340.020.020.21—0.000.01
Current ratio2.220.680.745.2210.3310.468.126.2516.998.53
Quick ratio2.220.680.745.2210.3310.468.126.2516.998.53
Interest coverage——-38.6-22.7—-14.5-26.0——9.9
Working capital$9.7M−$4.0M−$4.0M$63.7M$100.9M$90.0M$55.3M$29.5M$57.8M$24.3M
Invested capital−$7.7M−$9.8M−$3.6M$2.0M$4.8M$2.9M$5.8M$2.3M−$1.1M−$2.9M
Tangible asset value$9.5M−$3.9M$123,000$46.3M$112.4M$98.4M$51.7M$36.4M$59.8M$24.3M
Net current asset value$9.5M−$4.6M−$6.3M$32.7M$98.9M$88.1M$41.3M$28.8M$57.7M$24.3M
Graham net-net per share$1.91−$0.99−$0.99$4.31$16.54$24.63$16.49$15.44$34.09$13.88
Capital allocation
Dividends paid$273,000$611,000$477,000—————$320,000$0
Share buybacks (net)——$0——$0$0$0$0$0
Capex / depreciation0.000.000.051.022.332.472.7012.611,399.50212.00
Efficiency
Days payables outstanding48,847.73,057.01,079.0622.9556.4551.6435.31,407.9379,326.2—
Receivables turnover0.000.000.000.000.000.000.000.000.00—
Payables turnover0.010.120.340.590.660.660.840.260.000.00
Asset turnover0.000.000.000.000.000.000.000.000.000.00
Average receivables$309,500$2.1M$2.1M$174,500$32,500$17,000$28,000$71,500$106,000—
Average payables$5.5M$6.9M$6.6M$5.2M$3.5M$2.7M$1.6M$2.4M$2.1M$349,000
Average inventory————————$0$0
Intangibles / total assets0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%

Computed from MBIO's annual financial statements (latest annual report filed March 19, 2026) and the closing share price on each fiscal year-end, adjusted for stock splits. Figures in U.S. dollars; data from EODHD. Averages use the opening and closing balance of each year.

MBIO valuation and financial ratios

Mustang Bio earned a return on equity of −67.9% in fiscal 2025. It returned $0.3 million to shareholders: $0.3 million in dividends and $0 in share buybacks. The share count rose 180.7% from 1.7M to 4.9M over 9 years.

See the MBIO income statement, the MBIO chart for price history, or the MBIO stock overview for the latest quote and news.

MBIO key metrics FAQ

What is Mustang Bio's return on equity?

Mustang Bio's return on equity (ROE) was −67.9% in fiscal 2025: net income of -$1.9 million on average shareholders' equity of $2.8 million.

What is Mustang Bio's dividend yield?

Mustang Bio paid $0.3 million in dividends in fiscal 2025 ($0.06 per share), a payout ratio of —.

What is Mustang Bio's free cash flow yield?

Mustang Bio generated -$5.3 million of free cash flow in fiscal 2025, a free cash flow yield of −109.3% on its market value at year-end ($4.8 million).

What is Mustang Bio's current ratio?

Mustang Bio's current ratio was 2.22 at the end of fiscal 2025: current assets were 2.22 times current liabilities.

Biotechnology key metrics