Institutional Ownership Generation Bio Co. (GBIO)
This table provides information about the institutional ownership of Generation Bio Co. (GBIO). We have compiled data on the 60 institutions that hold shares in the stock, with a total of 41.5 Million shares, which have been reported (via 13F filing form) to have a value of $168 Million.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Price T Rowe Associates Inc
Baltimore, MD |
Aug 14, 2025 Q2 2025 |
8,462,611
shares
|
$34.3 Million
0.0% of portfolio
|
Q2 2025
Reduced 6.61%
|
|
|
Atlas Venture Life Science Advisors, LLC
|
Aug 12, 2025 Q2 2025 |
8,279,484
shares
|
$33.5 Million
0.58% of portfolio
|
Q1 2023
Added 0.01%
|
|
|
Black Rock Inc.
New York, NY |
Aug 13, 2024 Q2 2024 |
3,294,247
shares
|
$13.3 Million
0.0% of portfolio
|
Q2 2024
Added 8.05%
|
|
|
Siren, L.L.C.
New York, NY |
Aug 13, 2025 Q2 2025 |
2,968,925
shares
|
$12 Million
0.05% of portfolio
|
Q1 2025
Reduced 0.46%
|
|
|
Jim Simons
Renaissance Technologies LLC | New York, Ny
|
Aug 13, 2025 Q2 2025 |
2,580,780
shares
|
$10.5 Million
0.0% of portfolio
|
Q2 2025
Added 37.23%
|
|
|
Vanguard Group Inc
Valley Forge, PA |
Aug 11, 2025 Q2 2025 |
2,298,347
shares
|
$9.31 Million
0.0% of portfolio
|
Q2 2025
Reduced 12.27%
|
|
|
Baker Bros. Advisors LP
New York, NY |
Aug 14, 2025 Q2 2025 |
1,944,945
shares
|
$7.88 Million
0.01% of portfolio
|
Q3 2024
Added 61.14%
|
|
|
Acadian Asset Management LLC
Boston, MA |
Aug 07, 2025 Q2 2025 |
1,233,471
shares
|
$5 Million
0.0% of portfolio
|
Q2 2025
Added 6.41%
|
|
|
Goldman Sachs Group Inc
New York, NY |
Aug 14, 2025 Q2 2025 |
1,064,090
shares
|
$4.31 Million
0.0% of portfolio
|
Q2 2025
Reduced 2.03%
|
|
|
Israel Englander
Millennium Management LLC | New York, Ny
|
Aug 14, 2025 Q2 2025 |
1,061,606
shares
|
$4.3 Million
0.0% of portfolio
|
Q2 2025
New holding
|
|
|
Yiheng Capital Management, L.P.
San Francisco, CA |
Aug 14, 2025 Q2 2025 |
1,055,269
shares
|
$4.27 Million
0.03% of portfolio
|
Q2 2025
Added 450.97%
|
|
|
Morgan Stanley
New York, NY |
Aug 15, 2025 Q2 2025 |
912,834
shares
|
$3.7 Million
0.0% of portfolio
|
Q2 2025
Added 3.86%
|
|
|
Ubs Group Ag
|
Aug 14, 2025 Q2 2025 |
884,902
shares
|
$3.58 Million
0.0% of portfolio
|
Q2 2025
Reduced 9.46%
|
|
|
Bank Of America Corp
Charlotte, NC |
Aug 14, 2025 Q2 2025 |
871,951
shares
|
$3.53 Million
0.0% of portfolio
|
Q2 2025
Reduced 32.26%
|
|
|
Militia Capital Partners, LP
Las Vegas, NV |
Aug 14, 2025 Q2 2025 |
542,347
shares
|
$2.2 Million
0.08% of portfolio
|
Q2 2025
New holding
|
|
|
Squarepoint Ops LLC
New York, NY |
Aug 14, 2025 Q2 2025 |
518,270
shares
|
$2.1 Million
0.0% of portfolio
|
Q2 2025
Added 17.97%
|
|
|
Geode Capital Management, LLC
Boston, MA |
Aug 08, 2025 Q2 2025 |
498,080
shares
|
$2.02 Million
0.0% of portfolio
|
Q2 2025
Reduced 55.06%
|
|
|
Td Asset Management Inc
|
Jul 28, 2025 Q2 2025 |
340,686
shares
|
$1.38 Million
0.0% of portfolio
|
Q4 2023
Reduced 16.21%
|
|
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
Aug 14, 2025 Q2 2025 |
249,277
shares
|
$1.01 Million
0.0% of portfolio
|
Q2 2025
Added 170.22%
|
|
|
Charles Schwab Investment Management Inc
San Francisco, CA |
Aug 12, 2025 Q2 2025 |
236,856
shares
|
$959,266
0.0% of portfolio
|
Q2 2025
Reduced 33.55%
|
|
|
State Street Corp
Boston, MA |
Aug 14, 2025 Q2 2025 |
206,116
shares
|
$834,769
0.0% of portfolio
|
Q2 2025
Reduced 79.51%
|
|
|
Jpmorgan Chase & CO
New York, NY |
May 12, 2025 Q1 2025 |
201,959
shares
|
$817,933
0.0% of portfolio
|
Q1 2025
Reduced 32.16%
|
|
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
Aug 14, 2025 Q2 2025 |
192,160
shares
|
$778,248
0.0% of portfolio
|
Q2 2025
Added 58.35%
|
|
|
David A. Siegel
Two Sigma Advisers, LP | New York, Ny
|
Aug 14, 2025 Q2 2025 |
191,400
shares
|
$775,170
0.0% of portfolio
|
Q2 2025
Reduced 1.34%
|
|
|
Nuveen Asset Management, LLC
Chicago, IL |
Feb 14, 2025 Q4 2024 |
169,265
shares
|
$685,523
0.0% of portfolio
|
Q1 2024
Reduced 26.07%
|