Annexon, Inc. (ANNX) Key Metrics

NASDAQ: ANNXValuation, returns, debt and efficiency ratios over 9 years.

ANNX valuation today

Trailing 12 months · as of October 18, 2026
Market cap
$646.5M
Enterprise value
$549.1M
P/E (TTM)
—
Forward P/E
—
PEG ratio
—
Price / sales
—
Price / book
3.9
10-yr median 1.9
EV / EBITDA
—
Dividend yield
—
Beta
1.33

ANNX key metrics, 2017–2025

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

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

Price / book+53.0%
3.7
2025 · hover or tap a bar for each year
2021: 1.92022: 1.2 (−35.6%)2023: 1.4 (+12.2%)2024: 2.4 (+75.4%)2025: 3.7 (+53.0%)
20172025
Free cash flow yield−7.2 pts
−24.0%
2025 · hover or tap a bar for each year
2021: −24.5%2022: −43.5% (−19.0 pts)2023: −35.3% (+8.1 pts)2024: −16.7% (+18.6 pts)2025: −24.0% (−7.2 pts)
20172025

ANNX valuation history

Fiscal year-endToday9-year median

ANNX returns on capital

ROEROICROA

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

ANNX debt vs cash

Total debtCash & short-term investments

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

ANNX cash returned to shareholders

DividendsBuybacksFree cash flow

ANNX price vs earnings per share

Share price at year-endEPS (right axis)

ANNX key metrics

2017–2025
Annexon, Inc. key metrics by fiscal year
202520242023202220212020201920182017
Valuation
Market capitalization$778.6M$704.9M$343.6M$282.7M$440.3M————
Enterprise value$566.5M$421.8M$115.2M$72.9M$232.1M————
Price / book3.72.41.41.21.9————
Earnings yield−26.5%−19.6%−39.1%−48.9%−29.0%————
Free cash flow yield−24.0%−16.7%−35.3%−43.5%−24.5%————
Dividend yield0.2%————————
Shareholder yield (dividends + buybacks)0.2%——0.0%0.0%————
Share price at fiscal year-end$5.02$5.13$4.54$5.17$11.49$25.03———
Per share
Revenue per share$0.00$0.00$0.00$0.00$0.00—$0.00—$0.00
Earnings per share−$1.33−$1.01−$1.77−$2.53−$3.34—−$0.97—−$0.49
Operating cash flow per share−$1.20−$0.86−$1.60−$2.13−$2.77—−$0.74—−$0.50
Free cash flow per share−$1.20−$0.86−$1.60−$2.25−$2.81—−$0.75—−$0.52
Cash per share$1.54$2.27$3.43$4.44$6.33—$1.15—$0.08
Book value per share$1.36$2.13$3.31$4.23$6.05—$1.14—−$1.21
Tangible book value per share$1.36$2.13$3.31$4.23$6.05—$1.14—−$1.21
Dividends per share$0.01————————
Capex per share$0.00$0.00$0.00$0.12$0.04—$0.01—$0.01
Debt per share$0.17$0.21$0.41$0.60$0.90———$1.28
Shares outstanding155.1M137.4M75.7M54.7M38.3M—38.2M—38.2M
Change in shares outstanding+12.9%+81.6%+38.4%+42.7%—————
Returns & profitability
Return on equity (ROE)−81.9%−50.8%−55.7%−59.7%−44.4%−32.4%−91.3%——
Return on invested capital (ROIC)—−754.7%−521.0%−509.2%———−30.0%—
Return on assets (ROA)−65.9%−42.7%−46.1%−48.3%−39.7%−30.9%−75.8%−65.4%−239.2%
Return on tangible assets−74.5%−39.5%−45.1%−48.5%−44.5%−17.6%−74.5%−38.0%−239.2%
Financial health
Total debt$26.2M$29.0M$31.4M$32.9M$34.6M$391,000—$107.2M$49.0M
Cash & short-term investments$238.3M$312.0M$259.7M$242.7M$242.7M$351.2M$43.9M$44.2M$3.0M
Net debt−$212.1M−$283.0M−$228.4M−$209.8M−$208.1M−$350.8M−$43.9M$63.0M$46.0M
Debt / equity0.120.100.130.140.150.00—2.83—
Debt / assets0.090.080.110.120.120.00—2.236.26
Current ratio5.6810.3714.7211.1011.3933.339.2113.741.68
Quick ratio5.6810.3714.7211.1011.3933.339.2113.741.68
Interest coverage———-39.9-61.1—-7.0——
Working capital$199.6M$285.9M$245.9M$225.7M$225.9M$343.4M$40.5M$42.4M$2.0M
Invested capital−$496,000$10.1M$22.2M$21.4M$23.8M−$6.5M−$401,000$100.9M−$206,000
Tangible asset value$211.6M$293.1M$250.6M$231.2M$231.9M$344.3M$43.5M$37.9M−$46.2M
Net current asset value$176.3M$259.5M$216.7M$194.2M$192.6M$342.3M$39.0M$35.4M−$49.1M
Graham net-net per share$1.11$1.86$2.81$3.45$4.90—$0.98—−$1.32
Capital allocation
Dividends paid$1.9M————$102.5M———
Share buybacks (net)———$0$0$5.2M$0$0$0
Capex / depreciation0.060.010.093.100.770.700.540.032.09
Efficiency
Days of inventory on hand—————-1.6———
Days payables outstanding1,255.5840.8720.81,023.5795.81,670.41,348.21,045.32,052.6
Receivables turnover—————0.000.000.000.00
Payables turnover0.290.430.510.360.460.220.270.350.18
Asset turnover0.000.000.000.000.000.000.000.000.00
Average receivables—————$41,000$152,000$403,500$582,000
Average payables$12.7M$8.0M$6.5M$9.3M$7.4M$3.1M$1.8M$1.4M$1.5M
Average inventory—————−$3,000———
Intangibles / total assets0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%

Computed from ANNX's annual financial statements (latest annual report filed March 30, 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.

ANNX valuation and financial ratios

Annexon earned a return on equity of −81.9% in fiscal 2025. It ended the year with $26.2 million of debt and $238.3 million in cash and short-term investments, a net cash position of $212.1 million. It returned $1.9 million to shareholders: $1.9 million in dividends and $0 in share buybacks. The share count rose 305.8% from 38.2M to 155.1M over 8 years.

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

ANNX key metrics FAQ

What is Annexon's return on equity?

Annexon's return on equity (ROE) was −81.9% in fiscal 2025: net income of -$206.7 million on average shareholders' equity of $252.4 million.

How much debt does Annexon have?

Annexon had total debt of $26.2 million at the end of fiscal 2025, a debt-to-equity ratio of 0.12 and more cash than debt.

What is Annexon's dividend yield?

Annexon paid $1.9 million in dividends in fiscal 2025 ($0.01 per share), a payout ratio of —.

What is Annexon's free cash flow yield?

Annexon generated -$186.5 million of free cash flow in fiscal 2025, a free cash flow yield of −24.0% on its market value at year-end ($778.6 million).

What is Annexon's current ratio?

Annexon's current ratio was 5.68 at the end of fiscal 2025: current assets were 5.68 times current liabilities.

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