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Generation Bio
GBIO

Overview Fund Activity

77 hedge funds and large institutions have $217M invested in Generation Bio in 2023 Q3 according to their latest regulatory filings, with 3 funds opening new positions, 25 increasing their positions, 26 reducing their positions, and 7 closing their positions.

Holders
77
Holders Change
-4
Holders Change %
-4.94%
% of All Funds
1.23%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.02%
New
3
Increased
25
Reduced
26
Closed
7
Calls
$24K
Puts
$17K
Net Calls
+$7K
Net Calls Change
+$12K

Top Buyers

1
JPMorgan Chase & Co
1
JPMorgan Chase & Co
New York
$5.35M
2
TD Asset Management
2
TD Asset Management
Ontario, Canada
$1.54M
3
Wellington Management Group
3
Wellington Management Group
Massachusetts
$668K
4
Dimensional Fund Advisors
4
Dimensional Fund Advisors
Texas
$2.89M
5
Vanguard Group
5
Vanguard Group
Pennsylvania
$8.86M

Top Sellers

1
HMC
1
Harvard Management Company
Massachusetts
$0
2
Fidelity Investments
2
Fidelity Investments
Massachusetts
$32M
3
BlackRock
3
BlackRock
New York
$12.7M
4
PHS
4
PFM Health Sciences
California
$9.53M
5
Nuveen Asset Management
5
Nuveen Asset Management
Illinois
$858K
Name Market Value Shares Shares
Change 		Shares
Change %
Renaissance Technologies
26
Renaissance Technologies
New York
$1.19M 314,800 +6,700 +2%
Nuveen Asset Management
27
Nuveen Asset Management
Illinois
$858K 226,372 -45,952 -17%
Wellington Management Group
28
Wellington Management Group
Massachusetts
$668K 176,165 +120,191 +215%
Bank of New York Mellon
29
Bank of New York Mellon
New York
$605K 159,536 -6,865 -4%
Manulife (Manufacturers Life Insurance)
30
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$577K 152,265 – –
State of Wisconsin Investment Board
31
State of Wisconsin Investment Board
Wisconsin
$422K 111,300 -6,700 -6%
Invesco
32
Invesco
Georgia
$282K 74,407 +512 +0.7%
MAM
33
Martingale Asset Management
Massachusetts
$282K 74,304 – –
RhumbLine Advisers
34
RhumbLine Advisers
Massachusetts
$271K 71,377 -51 -0.1%
AllianceBernstein
35
AllianceBernstein
Tennessee
$268K 70,826 +1,010 +1%
Los Angeles Capital Management
36
Los Angeles Capital Management
California
$252K 66,372 – –
Squarepoint
37
Squarepoint
New York
$207K 54,508 +4,670 +9%
GCP
38
GSA Capital Partners
United Kingdom
$160K 42,319 +42,319 New
CIC
39
Cornercap Investment Counsel
Georgia
$143K 37,681 -381 -1%
Marshall Wace
40
Marshall Wace
United Kingdom
$131K 34,473 – –
American Century Companies
41
American Century Companies
Missouri
$117K 30,889 +13,103 +74%
Millennium Management
42
Millennium Management
New York
$116K 30,671 +1,478 +5%
SFG
43
SVB Financial Group
Texas
$94.9K 25,034 -2,848 -10%
D.E. Shaw & Co
44
D.E. Shaw & Co
New York
$94.7K 24,986 -11,253 -31%
MIM
45
MetLife Investment Management
New Jersey
$91.1K 24,031 – –
AIG
46
American International Group
New York
$85.7K 22,600 +804 +4%
Mirae Asset Global Investments
47
Mirae Asset Global Investments
South Korea
$75.1K 19,808 +64 +0.3%
PP
48
PDT Partners
New York
$75K 19,779 -2,408 -11%
Deutsche Bank
49
Deutsche Bank
Germany
$72.8K 19,200 – –
VOYA Investment Management
50
VOYA Investment Management
Georgia
$71.6K 18,902 – –
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