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NASDAQ:GBIO

Generation Bio (GBIO) Stock Price, News & Analysis

Generation Bio logo
$6.45 +0.17 (+2.71%)
Closing price 08/22/2025 04:00 PM Eastern
Extended Trading
$6.54 +0.09 (+1.32%)
As of 08/22/2025 07:17 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.

About Generation Bio Stock (NASDAQ:GBIO)

Key Stats

Today's Range
$6.28
$6.55
50-Day Range
$3.00
$6.66
52-Week Range
$3.00
$29.40
Volume
78,248 shs
Average Volume
814,285 shs
Market Capitalization
$43.44 million
P/E Ratio
N/A
Dividend Yield
N/A
Price Target
$10.67
Consensus Rating
Moderate Buy

Company Overview

Generation Bio Stock Analysis - MarketRank™

See Top-Rated MarketRank™ Stocks
64th Percentile Overall Score

GBIO MarketRank™: 

Generation Bio scored higher than 64% of companies evaluated by MarketBeat, and ranked 381st out of 932 stocks in the medical sector. Scores are calculated by averaging available category scores, with extra weight given to analysis and valuation.

  • Consensus Rating

    Generation Bio has received a consensus rating of Moderate Buy. The company's average rating score is 2.67, and is based on 2 buy ratings, 1 hold rating, and no sell ratings.

  • Amount of Analyst Coverage

    Generation Bio has only been the subject of 3 research reports in the past 90 days.

  • Read more about Generation Bio's stock forecast and price target.
  • Earnings Growth

    Earnings for Generation Bio are expected to grow in the coming year, from ($1.75) to ($0.95) per share.

  • Price to Earnings Ratio vs. the Market

    The P/E ratio of Generation Bio is -0.60, which means that its earnings are negative and its P/E ratio cannot be compared to companies with positive earnings.

  • Price to Earnings Ratio vs. Sector

    The P/E ratio of Generation Bio is -0.60, which means that its earnings are negative and its P/E ratio cannot be compared to companies with positive earnings.

  • Price to Book Value per Share Ratio

    Generation Bio has a P/B Ratio of 0.80. P/B Ratios below 1 indicate that a company could be undervalued with respect to its assets and liabilities.

  • Read more about Generation Bio's valuation and earnings.
  • Percentage of Shares Shorted

    2.15% of the float of Generation Bio has been sold short.
  • Short Interest Ratio / Days to Cover

    Generation Bio has a short interest ratio ("days to cover") of 0.8, which is generally considered an acceptable ratio of short interest to trading volume.
  • Change versus previous month

    Short interest in Generation Bio has recently increased by 20.74%, indicating that investor sentiment is decreasing significantly.
  • Dividend Yield

    Generation Bio does not currently pay a dividend.

  • Dividend Growth

    Generation Bio does not have a long track record of dividend growth.

  • Percentage of Shares Shorted

    2.15% of the float of Generation Bio has been sold short.
  • Short Interest Ratio / Days to Cover

    Generation Bio has a short interest ratio ("days to cover") of 0.8, which is generally considered an acceptable ratio of short interest to trading volume.
  • Change versus previous month

    Short interest in Generation Bio has recently increased by 20.74%, indicating that investor sentiment is decreasing significantly.
  • News Sentiment

    Generation Bio has a news sentiment score of -0.25. This score is calculated as an average of sentiment of articles about the company over the last seven days and ranges from 2 (good news) to -2 (bad news). This is a lower news sentiment than the 0.66 average news sentiment score of Medical companies.
  • News Coverage This Week

    MarketBeat has tracked 4 news articles for Generation Bio this week, compared to 1 article on an average week.
  • Search Interest

    8 people have searched for GBIO on MarketBeat in the last 30 days. This is an increase of 60% compared to the previous 30 days.
  • Insider Buying vs. Insider Selling

    In the past three months, Generation Bio insiders have not sold or bought any company stock.

  • Percentage Held by Insiders

    21.80% of the stock of Generation Bio is held by insiders. A high percentage of insider ownership can be a sign of company health.

  • Percentage Held by Institutions

    95.22% of the stock of Generation Bio is held by institutions. High institutional ownership can be a signal of strong market trust in this company.

  • Read more about Generation Bio's insider trading history.
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GBIO Stock News Headlines

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Wedbush Brokers Reduce Earnings Estimates for Generation Bio
Wedbush Downgrades Generation Bio (GBIO)
See More Headlines

GBIO Stock Analysis - Frequently Asked Questions

Generation Bio's stock was trading at $10.60 at the beginning of 2025. Since then, GBIO shares have decreased by 39.2% and is now trading at $6.45.

Generation Bio Co. (NASDAQ:GBIO) released its earnings results on Tuesday, August, 12th. The company reported ($3.12) earnings per share (EPS) for the quarter, missing analysts' consensus estimates of ($2.80) by $0.32. The business had revenue of $0.77 million for the quarter, compared to analysts' expectations of $2.51 million. Generation Bio had a negative net margin of 341.12% and a negative trailing twelve-month return on equity of 91.07%.

Shares of Generation Bio reverse split before market open on Tuesday, July 22nd 2025.The 1-10 reverse split was announced on Friday, July 18th 2025. The number of shares owned by shareholders was adjusted after the market closes on Monday, July 21st 2025. An investor that had 100 shares of stock prior to the reverse split would have 10 shares after the split.

Generation Bio (GBIO) raised $126 million in an initial public offering on Friday, June 12th 2020. The company issued 7,400,000 shares at $16.00-$18.00 per share. J.P. Morgan, Jefferies and Cowen acted as the underwriters for the IPO and Wedbush PacGrow was co-manager.

Top institutional investors of Generation Bio include Bank of America Corp DE (12.94%), Militia Capital Partners LP (8.05%), Geode Capital Management LLC (7.39%) and Y Intercept Hong Kong Ltd (2.21%). Insiders that own company stock include Phillip Samayoa, Antoinette Paone and Dannielle Appelhans.
View institutional ownership trends
.

Shares of GBIO stock can be purchased through any online brokerage account. Popular online brokerages with access to the U.S. stock market include Charles Schwab, E*TRADE, Fidelity, and Vanguard Brokerage Services.

Based on aggregate information from My MarketBeat watchlists, some other companies that Generation Bio investors own include Meta Platforms (META), NVIDIA (NVDA), Tesla (TSLA), Advanced Micro Devices (AMD), JPMorgan Chase & Co. (JPM), Visa (V) and Home Depot (HD).

Company Calendar

Last Earnings
8/12/2025
Today
8/23/2025
Next Earnings (Estimated)
11/05/2025
Fiscal Year End
12/31/2025

Industry, Sector and Symbol

Stock Exchange
NASDAQ
Sector
Medical
Industry
MED - BIOMED/GENE
Sub-Industry
Pharmaceutical Products
Current Symbol
NASDAQ:GBIO
CIK
1733294
Fax
N/A
Employees
150
Year Founded
N/A

Price Target and Rating

High Price Target
$15.00
Low Price Target
$7.00
Potential Upside/Downside
+65.4%
Consensus Rating
Moderate Buy
Rating Score (0-4)
2.67
Research Coverage
3 Analysts

Profitability

EPS (Trailing Twelve Months)
($10.82)
Trailing P/E Ratio
N/A
Forward P/E Ratio
N/A
P/E Growth
N/A
Net Income
-$131.67 million
Net Margins
-341.12%
Pretax Margin
-341.12%
Return on Equity
-91.07%
Return on Assets
-33.65%

Debt

Debt-to-Equity Ratio
N/A
Current Ratio
7.51
Quick Ratio
7.51

Sales & Book Value

Annual Sales
$21.23 million
Price / Sales
2.05
Cash Flow
N/A
Price / Cash Flow
N/A
Book Value
$8.03 per share
Price / Book
0.80

Miscellaneous

Outstanding Shares
6,735,000
Free Float
5,267,000
Market Cap
$43.44 million
Optionable
Optionable
Beta
2.67

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This page (NASDAQ:GBIO) was last updated on 8/23/2025 by MarketBeat.com Staff
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