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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 %
Fidelity Investments
1
Fidelity Investments
Massachusetts
$38.5M 8,949,863 +36,532 +0.4%
AVLSA
2
Atlas Venture Life Science Advisors
Massachusetts
$35.6M 8,279,484 +608 +0%
T. Rowe Price Associates
3
T. Rowe Price Associates
Maryland
$32.9M 7,644,195 +383,149 +5%
BG
4
Bellevue Group
Switzerland
$15.6M 3,620,280 -7,000 -0.2%
BlackRock
5
BlackRock
New York
$14.8M 3,446,364 -261,703 -7%
T. Rowe Price Investment Management
6
T. Rowe Price Investment Management
Maryland
$14.5M 3,380,956 -196,799 -6%
AG
7
Artal Group
Luxembourg
$12.1M 2,814,191 – –
PHS
8
PFM Health Sciences
California
$11.4M 2,648,297 -254,895 -9%
Vanguard Group
9
Vanguard Group
Pennsylvania
$9.64M 2,242,650 +11,151 +0.5%
EC
10
EcoR1 Capital
California
$8.41M 1,956,579 +1,956,579 New
YCM
11
Yiheng Capital Management
California
$6.89M 1,601,766 +415,471 +35%
GPP
12
Great Point Partners
Connecticut
$4.4M 1,022,537 – –
Geode Capital Management
13
Geode Capital Management
Massachusetts
$4.02M 933,757 +65,257 +8%
State Street
14
State Street
Massachusetts
$3.86M 896,746 -28,054 -3%
Goldman Sachs
15
Goldman Sachs
New York
$2.97M 689,539 -112,456 -14%
Dimensional Fund Advisors
16
Dimensional Fund Advisors
Texas
$2.34M 544,835 +92,375 +20%
Bank of America
17
Bank of America
North Carolina
$2.33M 542,800 -322,462 -37%
Morgan Stanley
18
Morgan Stanley
New York
$2.21M 513,794 +21,818 +4%
HMC
19
Harvard Management Company
Massachusetts
$2.19M 510,354 – –
JPMorgan Chase & Co
20
JPMorgan Chase & Co
New York
$1.99M 463,854 +2,714 +0.6%
UBS Group
21
UBS Group
Switzerland
$1.67M 387,283 +7,818 +2%
Northern Trust
22
Northern Trust
Illinois
$1.66M 385,091 -40,055 -9%
Vontobel Holding
23
Vontobel Holding
Switzerland
$1.66M 385,070 +111,283 +41%
SAM
24
Sectoral Asset Management
Quebec, Canada
$1.66M 385,070 +111,283 +41%
ACM
25
Atika Capital Management
New York
$1.53M 355,000 +355,000 New
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