Generation Bio Co. - Common Stock (GBIO)

Q2 2025 13F Holders as of 6/30/2025

Type / Class
Equity / Common Stock
Shares outstanding
6.7M
Number of holders
3
Total 13F shares, excl. options
117K
Shares change
+117K
Total reported value, excl. options
$37.5K
Value change
+$37.5K
Number of buys
3
Price
$0.32

Significant Holders of Generation Bio Co. - Common Stock (GBIO) as of Q2 2025

3 filings reported holding GBIO - Generation Bio Co. - Common Stock as of Q2 2025.
Generation Bio Co. - Common Stock (GBIO) has 3 institutional shareholders that have filed 13F forms with the Securities Exchange Commission (SEC). These institutions hold a total of 117K shares of 6.7M outstanding shares and own 1.75% of the company stock.
Largest 3 shareholders include MARSHALL WACE, LLP (116K shares), SBI Securities Co., Ltd. (530 shares), and EverSource Wealth Advisors, LLC (391 shares).
This table shows the top 3 institutional shareholders of the company equity. This data is sourced directly from the SEC via 13F filings.
Investor Option Weight % Change % Value $ * Price $ Shares Share Change Activity Report Period
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.