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Annexon, Inc. (ANNX) stock

ANNXNasdaqPharmaceutical PreparationsFiscal year ends December 31
Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Nov 9, 2026Score 2/30
$3.92−0.05 (-1.26%)

Close on Nov 13, 2026Market cap $801.42MP/E –Yield 0.00%

Annexon statistics

69 measures from SEC filings and the closing price. Hover a name for the formula; the last column is the median of companies in the same industry group.

Important dates

Next earnings
Mar 29, 2027 (estimated, during market hours)
Last ex-dividend date
No dividends
Fundamentals through
Sep 30, 2026
Share price as of
Nov 13, 2026

Valuation ratiosIndustry

Market Cap
$801.42M
$272.32M
Enterprise Value
$637.36M
$146.23M
PB Ratio
5.61
2.00
P/TBV Ratio
5.61
2.22

Share statisticsIndustry

Shares Change (YoY)
28.6%
10.8%
Float
193M
49M
Shares Held by Insiders
5.77%
11.7%
Shares Held by Institutions
87.2%
56.4%

Short sellingIndustry

Short Interest
29M
–
Short Interest Change
-8.36%
-0.80%
Short % of Float
15.0%
9.01%
Short % of Shares Outstanding
14.2%
6.30%
Days to Cover
7.19
5.15

Stock price statisticsIndustry

52-Week High
$7.18
–
52-Week Low
$2.54
–
20-Day Moving Average
$4.00
–
50-Day Moving Average
$4.03
–
200-Day Moving Average
$5.10
–
Average True Range (14)
$0.26
–
Price Change (1 Week)
-6.67%
-1.15%
Price Change (1 Month)
8.89%
-4.87%
Price Change (3 Months)
-23.6%
-21.0%
Price Change (6 Months)
-24.8%
-20.6%
Price Change (YTD)
-21.9%
-23.6%
Price Change (1 Year)
38.0%
-22.4%
Price Change (3 Years)
58.1%
-29.5%
Price Change (5 Years)
-76.2%
-77.9%
Average Volume (10 Days)
4M
–
Average Volume (20 Days)
4M
–
Average Volume (90 Days)
3M
–
Relative Volume
0.79
0.70
Relative Strength Index (14)
46.0
43.4
Volatility (1 Year)
75.1%
80.1%
Beta (5 Years)
1.32
1.07

Returns on capitalIndustry

Return on Equity (ROE)
-130.8%
-49.9%
Return on Assets (ROA)
-83.0%
-40.6%
Return on Capital Employed (ROCE)
-96.7%
-37.9%

Financial positionIndustry

Current Ratio
5.79
3.30
Quick Ratio
5.67
2.39
Debt / Equity
0.35
0.49

EfficiencyIndustry

Profits Per Employee
-$2.07M
-$689.41K
Employee Count
96
74
WACC
11.4%
10.2%

Income statement (TTM)Industry

Operating Income
-$205.78M
-$21.37M
Net Income
-$198.96M
-$22.35M
EBITDA
-$203.63M
-$17.21M
EPS (Diluted)
-$1.04
-$0.76

Balance sheetIndustry

Total Debt
$49.34M
$116.91M
Net Cash (Debt)
$164.06M
$17.76M
Net Cash Per Share
$0.80
$0.80
Equity (Book Value)
$142.80M
$53.89M
Book Value Per Share
$0.70
$1.50
Tangible Book Value
$142.80M
$27.13M
Working Capital
$180.24M
$79.99M

Cash flow (TTM)Industry

Operating Cash Flow
-$189.41M
-$12.38M
Capital Expenditures
-$137.00K
-$1.00M
Free Cash Flow
-$189.55M
-$18.21M
FCF Per Share
-$0.93
-$0.42

Dividends and yieldsIndustry

Earnings Yield
-24.8%
-21.8%
FCF Yield
-23.7%
-9.44%
Dividend Yield
0.00%
1.88%
Buyback Yield
-10.3%
-0.76%
Shareholder Yield
-10.3%
0.00%
Dividend Per Share
$0.00
$0.83
Years of Dividend Growth
0
0

Scores and fair valueIndustry

Altman Z-Score
-3.35
0.23
Piotroski F-Score
1
4

Total return vs. the S&P 500

Price change plus reinvested dividends, to the close on Nov 13, 2026. The S&P 500 is measured by the SPY fund.

PeriodANNXS&P 500DifferenceANNX per yearS&P 500 per year
1 month+2.3%-3.0%+5.4 pts
3 months-25.5%-2.8%−22.7 pts
Year to date-21.9%+11.5%−33.4 pts
1 year+46.3%+13.5%+32.8 pts
3 years+73.5%+77.7%−4.2 pts+20.2%+21.1%
5 years-76.2%+72.6%−148.8 pts-24.9%+11.5%

Short interest

Shares sold short and not yet covered, reported by brokers to FINRA twice a month. Latest settlement date Oct 30, 2026.

29M ANNX shares were sold short on Oct 30, 2026, down 8.4% from the previous report, or 15.04% of the shares available to trade. At recent volumes it would take 7.2 days to buy them back. Over the last 20 sessions, 44.2% of the volume reported to FINRA was short selling.

Settlement dateShares shortChangeAvg. daily volumeDays to cover
Oct 30, 202628,984,850-8.4%4,030,9967.2
Oct 15, 202631,627,401-1.2%3,069,10010.3
Sep 30, 202632,009,914-2.6%3,597,5208.9
Sep 15, 202632,871,995+2.4%2,813,64411.7
Aug 31, 202632,094,286-1.5%2,524,02512.7
Aug 14, 202632,583,299+5.9%2,474,09613.2
Jul 31, 202630,772,146+3.2%2,944,76010.4
Jul 15, 202629,827,889+0.8%5,194,7325.7
Jun 30, 202629,604,763+12.2%5,460,7645.4
Jun 15, 202626,388,542+2.1%2,836,9879.3
May 29, 202625,834,304+6.4%2,654,6169.7
May 15, 202624,288,025+3.6%1,828,63713.3

Ratios use trailing-twelve-month results and the latest balance sheet. How we calculate.

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