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Generation Bio
GBIO

Overview Fund Activity

60 hedge funds and large institutions have $13.2M invested in Generation Bio in 2025 Q2 according to their latest regulatory filings, with 14 funds opening new positions, 10 increasing their positions, 25 reducing their positions, and 34 closing their positions.

Holders
60
Holders Change
-21
Holders Change %
-25.93%
% of All Funds
0.81%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
14
Increased
10
Reduced
25
Closed
34
Calls
$37K
Puts
–
Net Calls
+$37K
Net Calls Change
+$8K

Top Buyers

1
Millennium Management
1
Millennium Management
New York
$340K
2
YCM
2
Yiheng Capital Management
California
$338K
3
Renaissance Technologies
3
Renaissance Technologies
New York
$826K
4
MCP
4
Militia Capital Partners
Nevada
$174K
5
YIH
5
Y-Intercept (HK)
Hong Kong
$47.4K

Top Sellers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$751K
2
BlackRock
2
BlackRock
New York
$372K
3
State Street
3
State Street
Massachusetts
$66K
4
Geode Capital Management
4
Geode Capital Management
Massachusetts
$159K
5
T. Rowe Price Associates
5
T. Rowe Price Associates
Maryland
$2.71M
Name Market Value Shares Shares
Change 		Shares
Change %
BNP Paribas Financial Markets
51
BNP Paribas Financial Markets
France
$546 1,705 -13,212 -89%
Wells Fargo
52
Wells Fargo
California
$490 1,532 -28,665 -95%
PD
53
Point72 (DIFC)
United Arab Emirates
$463 1,446 +1,446 New
Nisa Investment Advisors
54
Nisa Investment Advisors
Missouri
$391 1,223 -454 -27%
Raymond James Financial
55
Raymond James Financial
Florida
$192 600 +600 New
SS
56
SBI Securities
Japan
$170 530 +60 +13%
EWA
57
EverSource Wealth Advisors
Alabama
$125 391 +364 +1,348%
PNC Financial Services Group
58
PNC Financial Services Group
Pennsylvania
$82 255 -1,541 -86%
FHA
59
First Horizon Advisors
Tennessee
$1 2 – –
Los Angeles Capital Management
60
Los Angeles Capital Management
California
– – -378,914 Closed
Dimensional Fund Advisors
61
Dimensional Fund Advisors
Texas
– – -191,830 Closed
Jacobs Levy Equity Management
62
Jacobs Levy Equity Management
New Jersey
– – -182,005 Closed
JFG
63
Jefferies Financial Group
New York
– – -173,659 Closed
NL
64
Nuveen LLC
North Carolina
– – -169,265 Closed
Bank of New York Mellon
65
Bank of New York Mellon
New York
– – -139,783 Closed
Deutsche Bank
66
Deutsche Bank
Germany
– – -108,771 Closed
EL
67
EWA LLC
Pennsylvania
– – -92,901 Closed
PAM
68
Panagora Asset Management
Massachusetts
– – -86,373 Closed
IWC
69
Integrated Wealth Concepts
Massachusetts
– – -72,720 Closed
AllianceBernstein
70
AllianceBernstein
Tennessee
– – -72,155 Closed
RhumbLine Advisers
71
RhumbLine Advisers
Massachusetts
– – -69,754 Closed
BCM
72
Bridgeway Capital Management
Texas
– – -55,200 Closed
XT
73
XTX Topco
Cayman Islands
– – -52,440 Closed
Jane Street
74
Jane Street
New York
– – -38,723 Closed
IIM
75
INTECH Investment Management
Florida
– – -37,954 Closed
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