Annexon, Inc. (ANNX)

NASDAQ

$4.03

$+0.62

(+18.04%)

After-Hours

Annexon, Inc. (ANNX) Live Price Chart

Last updated: ⁦2026-10-19 21:26:00⁩. Prices reflect the latest after-hours trading data. Stock price data is sourced from Massive.

Summary

Annexon, Inc. (ANNX) operates in the PHARMACEUTICAL PREPARATIONS sector and is listed on NASDAQ. The stock is currently priced at $4.03, with a market capitalization of $646.46M and a P/E ratio of --. Over the past 52 weeks, its price has ranged from $2.54 to $7.18. This page covers its latest market performance, valuation, price trends and company information.

Key Market Data

Market Cap	$646.46M
Open	$3.65
Day's High	$38.01
Day's Low	$1.29
Previous Close	$3.41
Volume	5.63M
Average Volume	2.91M
P/E Ratio	--
52-Week High	$7.18
52-Week Low	$2.54
Dividend Yield	--
Earnings Date	--

Annexon, Inc. (ANNX) After-Hours Stock Price

Annexon, Inc. (ANNX) is trading at $4.05 in after-hours trading as of 2026-10-19 21:25:00, up 18.77% ($0.64) from the regular-session close of $3.41.

After-hours trading shows how investors are pricing ANNX after the regular session closes. The current after-hours price is above the regular-session close, indicating positive after-hours sentiment.

Annexon, Inc. (ANNX) 7-Day Stock Price Change

Over the past seven days, Annexon, Inc. (ANNX) moved from $4.00 to $4.03, representing a gain of 0.63% ($0.03).

The stock traded between $3.36 and $4.14 during the period. The latest price is near the upper end of the 7-day range, indicating moderate upward.

The average daily volume was 3.27 million shares, down versus the previous seven-day period, indicating lower trading activity.

ANNX 52-Week Price Position

Position in Range: 32.0%

52W Low$2.54

52W High$7.18

ANNX is currently trading at $4.03, placing it 32.0% of the way from its 52-week low of $2.54 to its 52-week high of $7.18. This percentage reflects the stock's relative position within its 52-week trading range, not its valuation or future performance.

What is Annexon, Inc. (ANNX)?

Annexon Inc is a clinical-stage biopharmaceutical company developing a pipeline of novel therapies for patients with classical complement-mediated disorders of the body, brain, and eye. Its pipeline is based on its platform technology addressing well-researched classical complement-mediated autoimmune and neurodegenerative disease processes, both of which are triggered by aberrant activation of C1q. Its pipeline of product candidates is designed to block the activity of C1q and the entire classical complement pathway in a broad set of complement-mediated diseases. Its product candidates are ANX005, for autoimmune & neurodegenerative disorders; ANX007, for neurodegenerative ophthalmic disorders; ANX1502, for Oral small molecule; and ANX009, for systemic autoimmune diseases.

Annexon, Inc. Information

Industry	PHARMACEUTICAL PREPARATIONS
Employees	92
Exchange	NASDAQ
Company Website	https://www.annexonbio.com

How to Buy Annexon, Inc. (ANNX) Stock on MEXC

Eligible investors can buy real shares of Annexon, Inc. (ANNX) through MEXC RealStocks. Follow these three steps to open a RealStocks account, transfer USDT, and place a US stock order.

Step 1: Open and Verify Your RealStocks Account

Log in to the MEXC App, go to Trade → RealStocks, and select Open Account. Complete the required account-opening and identity verification process with MEXC's partner licensed broker.

Step 2: Transfer USDT to Your RealStocks Account

Go to Wallets → RealStocks and transfer USDT from your Spot Account to your RealStocks Account. RealStocks are quoted in USD, while account funding can be completed using USDT.

Step 3: Search for ANNX and Place Your Order

Open the RealStocks trading page and search for ANNX. Select a market or limit order, enter the price and quantity as required, review the order details, and submit your order. Once filled, the corresponding real shares will be held in your RealStocks Account.

Frequently Asked Questions (FAQ)

1.What is Annexon, Inc. (ANNX) stock price today?

Annexon, Inc. (ANNX) is currently trading at $ 4.03, up 18.04% ($0.62) from the previous close of $ 3.41. Intraday prices update in real time during regular trading hours.

2.Is ANNX stock going up or down today?

As of 2026-10-19 21:25:00, ANNX is trading at $ 4.03, up 18.04% ($0.62) from its previous close of $ 3.41. The stock has traded between $ 1.29 and $ 38.01 during today’s regular session. Past price movements do not guarantee future results.

3.What is ANNX pre-market price?

As of 2026-10-19 21:25:00, ANNX is trading at $ 3.65 in pre-market trading, up 6.92% ($0.24) from the previous close of $ 3.41. Pre-market prices reflect trading activity before the regular session opens and may experience lower liquidity and higher volatility.

4.What is ANNX after-hours price?

As of 2026-10-19 21:25:00, ANNX is trading at $ 4.05 in after-hours trading, up 18.77% ($0.64) from the regular-session close of $ 3.41. After-hours prices may differ from the regular session’s opening price due to lower liquidity and wider bid-ask spreads.

5.Is ANNX stock trading now?

ANNX trades on the NASDAQ exchange during regular hours, Monday through Friday, 9:30 AM to 4:00 PM ET, excluding public holidays. Pre-market and after-hours trading are also available through select brokers outside these hours.

6.Where does ANNX sit relative to its 52-week high and low?

Over the past 52 weeks, ANNX has traded between a low of $ 2.54 and a high of $ 7.18. At $ 4.03, the stock is positioned 32.0% of the way from its 52-week low to its 52-week high, providing context for its current price within the one-year trading range.

7.What sector is Annexon, Inc. in?

Annexon, Inc. (ANNX) operates in the PHARMACEUTICAL PREPARATIONS sector. Sector classification helps investors compare it with companies exposed to similar market trends and competitive conditions.

8.What is Annexon, Inc.'s market capitalization and where is it listed?

Annexon, Inc. is listed on the NASDAQ exchange with a market capitalization of $ 646.46M. Market cap reflects the total market value of all outstanding shares and is commonly used to classify stocks by size.

9.How is ANNX valued in terms of P/E ratio and EPS?

ANNX trades at a P/E ratio of --, based on trailing-twelve-month EPS of $ -1.07. P/E ratio compares the stock price to earnings per share and is a common starting point for assessing valuation relative to peers.

10.Does Annexon, Inc. pay a dividend?

Annexon, Inc. pays an indicated annual cash dividend of $ 0.00 per share, with a current dividend yield of 0.00% based on the latest share price. Dividend policies are subject to change at the board's discretion.