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Generation Bio
GBIO

Overview Fund Activity

80 hedge funds and large institutions have $57.1M invested in Generation Bio in 2024 Q4 according to their latest regulatory filings, with 16 funds opening new positions, 24 increasing their positions, 19 reducing their positions, and 13 closing their positions.

Holders
80
Holders Change
+3
Holders Change %
+3.9%
% of All Funds
1.07%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.01%
New
16
Increased
24
Reduced
19
Closed
13
Calls
$6K
Puts
–
Net Calls
+$6K
Net Calls Change
+$6K

Top Buyers

1
JFG
1
Jefferies Financial Group
New York
$2.4M
2
Renaissance Technologies
2
Renaissance Technologies
New York
$1.02M
3
UBS Group
3
UBS Group
Switzerland
$1.12M
4
Deutsche Bank
4
Deutsche Bank
Germany
$195K
5
Acadian Asset Management
5
Acadian Asset Management
Massachusetts
$795K

Top Sellers

1
BG
1
Bellevue Group
Switzerland
$0
2
Fidelity Investments
2
Fidelity Investments
Massachusetts
$4.9M
3
D.E. Shaw & Co
3
D.E. Shaw & Co
New York
$366K
4
KPWS
4
Kestra Private Wealth Services
Texas
$0
5
Jane Street
5
Jane Street
New York
$0
Name Market Value Shares Shares
Change 		Shares
Change %
T. Rowe Price Associates
1
T. Rowe Price Associates
Maryland
$9.84M 9,279,059 -72,531 -0.8%
AVLSA
2
Atlas Venture Life Science Advisors
Massachusetts
$8.78M 8,279,484 – –
Fidelity Investments
3
Fidelity Investments
Massachusetts
$4.9M 4,626,045 -694,221 -13%
BlackRock
4
BlackRock
New York
$3.67M 3,459,065 +43,067 +1%
Bank of America
5
Bank of America
North Carolina
$3.18M 2,997,739 +14,647 +0.5%
SL
6
Siren LLC
Connecticut
$3.16M 2,982,733 – –
Vanguard Group
7
Vanguard Group
Pennsylvania
$2.8M 2,641,996 +6,274 +0.2%
JFG
8
Jefferies Financial Group
New York
$2.4M 2,261,817 +2,261,817 New
EC
9
EcoR1 Capital
California
$2.17M 2,046,867 – –
BBA
10
Baker Bros. Advisors
New York
$2.06M 1,944,945 – –
Goldman Sachs
11
Goldman Sachs
New York
$1.28M 1,208,269 +20,066 +2%
Geode Capital Management
12
Geode Capital Management
Massachusetts
$1.21M 1,137,075 -2,092 -0.2%
UBS Group
13
UBS Group
Switzerland
$1.12M 1,053,509 +206,623 +24%
State Street
14
State Street
Massachusetts
$1.1M 1,039,125 +46,937 +5%
Renaissance Technologies
15
Renaissance Technologies
New York
$1.02M 962,959 +368,659 +62%
Morgan Stanley
16
Morgan Stanley
New York
$996K 939,827 -59,844 -6%
PHS
17
PFM Health Sciences
California
$835K 787,914 – –
Acadian Asset Management
18
Acadian Asset Management
Massachusetts
$795K 751,292 +145,480 +24%
Northern Trust
19
Northern Trust
Illinois
$427K 403,067 +11,247 +3%
Dimensional Fund Advisors
20
Dimensional Fund Advisors
Texas
$420K 396,237 -44,880 -10%
Charles Schwab
21
Charles Schwab
California
$389K 367,026 -56,273 -13%
D.E. Shaw & Co
22
D.E. Shaw & Co
New York
$366K 344,922 -143,227 -29%
TD Asset Management
23
TD Asset Management
Ontario, Canada
$361K 340,686 – –
Jacobs Levy Equity Management
24
Jacobs Levy Equity Management
New Jersey
$330K 311,535 +38,090 +14%
JPMorgan Chase & Co
25
JPMorgan Chase & Co
New York
$316K 297,705 +127,513 +75%
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