GBIO icon

Generation Bio
GBIO

Overview Fund Activity

59 hedge funds and large institutions have $13.3M invested in Generation Bio in 2025 Q2 according to their latest regulatory filings, with 14 funds opening new positions, 11 increasing their positions, 25 reducing their positions, and 34 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
59
Holders Change
-20
Holders Change %
-25.32%
% of All Funds
0.79%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
14
Increased
11
Reduced
25
Closed
34
Calls
$37K
Puts
–
Net Calls
+$37K
Net Calls Change
+$8K

Top Buyers

1
Millennium Management
Millennium Management
New York
+$340K
2
YCM
Yiheng Capital Management
California
+$276K
3
Renaissance Technologies
Renaissance Technologies
New York
+$224K
4
MCP
Militia Capital Partners
Nevada
+$174K
5
Susquehanna International Group
Susquehanna International Group
Pennsylvania
+$50.3K

Top Sellers

1
Fidelity Investments
Fidelity Investments
Massachusetts
-$770K
2
BlackRock
BlackRock
New York
-$718K
3
State Street
State Street
Massachusetts
-$256K
4
Geode Capital Management
Geode Capital Management
Massachusetts
-$195K
5
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
-$192K
Name Holding Trade Value Shares
Change 		Shares
Change %
SCM
51
Sterling Capital Management
North Carolina
$624 -$272 -85 -30%
BNP Paribas Financial Markets
52
BNP Paribas Financial Markets
France
$546 -$4.22K -1,321 -89%
Wells Fargo
53
Wells Fargo
California
$490 -$9.18K -2,867 -95%
PD
54
Point72 (DIFC)
United Arab Emirates
$463 +$463 +145 New
Nisa Investment Advisors
55
Nisa Investment Advisors
Missouri
$391 -$147 -46 -27%
Raymond James Financial
56
Raymond James Financial
Florida
$192 +$192 +60 New
SS
57
SBI Securities
Japan
$170 +$19 +6 +13%
EWA
58
EverSource Wealth Advisors
Alabama
$125 +$115 +36 +1,200%
PNC Financial Services Group
59
PNC Financial Services Group
Pennsylvania
$82 -$486 -154 -86%
FHA
60
First Horizon Advisors
Tennessee
$1 -$1 – –
Los Angeles Capital Management
61
Los Angeles Capital Management
California
– -$153K -37,891 Closed
Dimensional Fund Advisors
62
Dimensional Fund Advisors
Texas
– -$77.8K -19,183 Closed
Jacobs Levy Equity Management
63
Jacobs Levy Equity Management
New Jersey
– -$73.7K -18,201 Closed
JFG
64
Jefferies Financial Group
New York
– -$70.3K -17,366 Closed
NL
65
Nuveen LLC
North Carolina
– -$68.6K -16,927 Closed
Bank of New York Mellon
66
Bank of New York Mellon
New York
– -$56.6K -13,978 Closed
Deutsche Bank
67
Deutsche Bank
Germany
– -$44.6K -10,877 Closed
EL
68
EWA LLC
Pennsylvania
– -$37.6K -9,290 Closed
PAM
69
Panagora Asset Management
Massachusetts
– -$35K -8,637 Closed
IWC
70
Integrated Wealth Concepts
Massachusetts
– -$29.5K -7,272 Closed
AllianceBernstein
71
AllianceBernstein
Tennessee
– -$29.2K -7,216 Closed
RhumbLine Advisers
72
RhumbLine Advisers
Massachusetts
– -$28.2K -6,975 Closed
BCM
73
Bridgeway Capital Management
Texas
– -$22.4K -5,520 Closed
XT
74
XTX Topco
Cayman Islands
– -$21.2K -5,244 Closed
Jane Street
75
Jane Street
New York
– -$15.7K -3,872 Closed
1 2
3
4