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Generation Bio
GBIO

Overview Fund Activity

85 hedge funds and large institutions have $247M invested in Generation Bio in 2023 Q1 according to their latest regulatory filings, with 11 funds opening new positions, 27 increasing their positions, 30 reducing their positions, and 24 closing their positions.

Holders
85
Holders Change
-13
Holders Change %
-13.27%
% of All Funds
1.36%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.02%
New
11
Increased
27
Reduced
30
Closed
24
Calls
$138K
Puts
$13K
Net Calls
+$125K
Net Calls Change
+$62K

Top Buyers

1
EC
1
EcoR1 Capital
California
$8.41M
2
YCM
2
Yiheng Capital Management
California
$6.89M
3
T. Rowe Price Associates
3
T. Rowe Price Associates
Maryland
$32.9M
4
ACM
4
Atika Capital Management
New York
$1.53M
5
Vontobel Holding
5
Vontobel Holding
Switzerland
$1.66M

Top Sellers

1
FCM
1
Farallon Capital Management
California
$0
2
Bank of America
2
Bank of America
North Carolina
$2.33M
3
BlackRock
3
BlackRock
New York
$14.8M
4
PHS
4
PFM Health Sciences
California
$11.4M
5
T. Rowe Price Investment Management
5
T. Rowe Price Investment Management
Maryland
$14.5M
Name Market Value Shares Shares
Change 		Shares
Change %
Two Sigma Advisers
51
Two Sigma Advisers
New York
$111K 25,700 +900 +4%
Jane Street
52
Jane Street
New York
$101K 23,540 +23,540 New
AIG
53
American International Group
New York
$99.8K 23,209 +462 +2%
VOYA Investment Management
54
VOYA Investment Management
Georgia
$86.3K 20,075 – –
IAM
55
Innovis Asset Management
Illinois
$85.5K 19,884 -188 -0.9%
Mirae Asset Global Investments
56
Mirae Asset Global Investments
South Korea
$84.8K 19,731 -32 -0.2%
California State Teachers Retirement System (CalSTRS)
57
California State Teachers Retirement System (CalSTRS)
California
$76.9K 17,879 -39,738 -69%
MIM
58
MetLife Investment Management
New Jersey
$68.2K 15,853 -10,464 -40%
Jacobs Levy Equity Management
59
Jacobs Levy Equity Management
New Jersey
$65.7K 15,268 -66,902 -81%
E
60
Ergoteles
New York
$64.9K 15,086 +15,086 New
CSS
61
Cubist Systematic Strategies
Connecticut
$58.1K 13,515 +13,515 New
SG Americas Securities
62
SG Americas Securities
New York
$55K 12,699 -4,353 -26%
American Century Companies
63
American Century Companies
Missouri
$48.8K 10,447 +10,447 New
YIH
64
Y-Intercept (HK)
Hong Kong
$46.6K 10,836 +10,836 New
Wells Fargo
65
Wells Fargo
California
$45.8K 10,647 +8,547 +407%
DA
66
Denali Advisors
California
$45.6K 10,600 – –
Royal Bank of Canada
67
Royal Bank of Canada
Ontario, Canada
$40K 9,079 -3,796 -29%
CC
68
Cannell Capital
Wyoming
$33.4K 7,768 – –
AB
69
Amalgamated Bank
New York
$21K 4,790 -1,174 -20%
Legal & General Group
70
Legal & General Group
United Kingdom
$20.5K 4,776 -15,671 -77%
Nisa Investment Advisors
71
Nisa Investment Advisors
Missouri
$20K 4,650 -42,050 -90%
TRCT
72
Tower Research Capital (TRC)
New York
$17K 3,910 +612 +19%
AIP
73
Ameritas Investment Partners
Nebraska
$14.1K 3,277 – –
MCM
74
Manchester Capital Management
Vermont
$12.9K 3,000 – –
New York State Common Retirement Fund
75
New York State Common Retirement Fund
New York
$12K 2,702 -23,335 -90%
1 2
3
4 5