Generation Bio Ownership

Who are the major shareholders and have insiders been buying or selling?


Recent Insider Transactions

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.


Ownership Breakdown

What is the ownership structure of GBIO?
Owner TypeNumber of SharesOwnership Percentage
General Public1,812,1782.71%
Individual Insiders3,836,9985.74%
Public Companies5,859,3758.77%
VC/PE Firms8,279,48412.4%
Institutions47,004,78770.4%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.


Top Shareholders

Top 25 shareholders own 88.52% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
14%
T. Rowe Price Group, Inc.
9,351,590US$8.5m-1.7%no data
12.4%
Atlas Venture L.P.
8,279,484US$7.5m0%0.92%
8.77%
Moderna, Inc.
5,859,375US$5.3m0%no data
7.96%
FMR LLC
5,319,866US$4.8m0.3%no data
5.11%
BlackRock, Inc.
3,415,998US$3.1m3.7%no data
4.96%
Bellevue Asset Management AG
3,310,869US$3.0m-15.5%0.04%
4.47%
Bank of America Corporation, Asset Management Arm
2,983,092US$2.7m0.06%no data
4.47%
Artal Group S.A.
2,982,733US$2.7m5.37%0.08%
3.95%
The Vanguard Group, Inc.
2,635,722US$2.4m1.82%no data
3.06%
EcoR1 Capital, LLC
2,046,867US$1.9m0%0.07%
2.91%
Baker Bros. Advisors LP
1,944,945US$1.8m61.1%0.02%
2.75%
Cameron McDonough
1,839,091US$1.7m0.2%no data
1.71%
Geode Capital Management, LLC
1,139,167US$1.0m0.29%no data
1.49%
Morgan Stanley, Investment Banking and Brokerage Investments
998,497US$908.7k6.97%no data
1.49%
State Street Global Advisors, Inc.
992,188US$903.0k1.19%no data
1.37%
Goldman Sachs Group, Investment Banking and Securities Investments
913,064US$831.0k-8.84%no data
1.27%
UBS Asset Management AG
846,886US$770.8k1.08%no data
1.18%
PFM Health Sciences, LP
787,914US$717.1k0%0.05%
0.91%
Acadian Asset Management LLC
605,812US$551.3k1.89%no data
0.89%
Renaissance Technologies LLC
594,300US$540.9k-6.62%no data
0.8%
Charles Rowland
534,757US$486.7k0%no data
0.73%
D. E. Shaw & Co., L.P.
488,149US$444.3k0.12%no data
0.66%
Dimensional Fund Advisors LP
441,117US$401.5k-9.12%no data
0.63%
Charles Schwab Investment Management, Inc.
423,299US$385.2k2.1%no data
0.59%
Northern Trust Global Investments
391,820US$356.6k7.08%no data

Company Analysis and Financial Data Status

DataLast Updated (UTC time)
Company Analysis2025/01/10 09:38
End of Day Share Price 2025/01/10 00:00
Earnings2024/09/30
Annual Earnings2023/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

PackageDataTimeframeExample US Source *
Company Financials10 years
  • Income statement
  • Cash flow statement
  • Balance sheet
Analyst Consensus Estimates+3 years
  • Forecast financials
  • Analyst price targets
Market Prices30 years
  • Stock prices
  • Dividends, Splits and Actions
Ownership10 years
  • Top shareholders
  • Insider trading
Management10 years
  • Leadership team
  • Board of directors
Key Developments10 years
  • Company announcements

* example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more here.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on .

Analyst Sources

Generation Bio Co. is covered by 10 analysts. 7 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

AnalystInstitution
Whitney IjemCanaccord Genuity
Eun Kyung YangJefferies LLC
Farzin HaqueJefferies LLC