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Generation Bio
GBIO

Overview Fund Activity

89 hedge funds and large institutions have $390M invested in Generation Bio in 2021 Q4 according to their latest regulatory filings, with 22 funds opening new positions, 29 increasing their positions, 23 reducing their positions, and 14 closing their positions.

Holders
89
Holders Change
+7
Holders Change %
+8.54%
% of All Funds
1.37%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
%
% of All Funds
0.02%
New
22
Increased
29
Reduced
23
Closed
14
Calls
$110K
Puts
$91K
Net Calls
+$19K
Net Calls Change
+$2.7M

Top Buyers

1
AVLSA
1
Atlas Venture Life Science Advisors
Massachusetts
$58.6M
2
BG
2
Bellevue Group
Switzerland
$27.4M
3
Millennium Management
3
Millennium Management
New York
$3.81M
4
YCM
4
Yiheng Capital Management
California
$14M
5
Two Sigma Investments
5
Two Sigma Investments
New York
$1.72M

Top Sellers

1
CG
1
Carmignac Gestion
France
$0
2
JPMorgan Chase & Co
2
JPMorgan Chase & Co
New York
$3.98M
3
Victory Capital Management
3
Victory Capital Management
Texas
$683K
4
Ensign Peak Advisors
4
Ensign Peak Advisors
Utah
$55K
5
LCM
5
Laurion Capital Management
New York
$0
Name Market Value Shares Shares
Change 		Shares
Change %
D.E. Shaw & Co
26
D.E. Shaw & Co
New York
$1.14M 160,387 +152,028 +1,819%
Deutsche Bank
27
Deutsche Bank
Germany
$1.08M 152,356 -5,010 -3%
Dimensional Fund Advisors
28
Dimensional Fund Advisors
Texas
$935K 132,128 +73,277 +125%
Rafferty Asset Management
29
Rafferty Asset Management
New York
$811K 114,516 +54,238 +90%
Citigroup
30
Citigroup
New York
$798K 112,684 +48,858 +77%
UBS Group
31
UBS Group
Switzerland
$774K 109,327 +109,327 New
Victory Capital Management
32
Victory Capital Management
Texas
$683K 96,571 -1,176,976 -92%
Swiss National Bank
33
Swiss National Bank
Switzerland
$576K 81,400 – –
Two Sigma Advisers
34
Two Sigma Advisers
New York
$552K 77,900 +77,900 New
Goldman Sachs
35
Goldman Sachs
New York
$503K 70,990 -278,044 -80%
HF
36
HRT Financial
New York
$471K 66,553 +66,553 New
Walleye Capital
37
Walleye Capital
New York
$440K 62,139 +62,139 New
California State Teachers Retirement System (CalSTRS)
38
California State Teachers Retirement System (CalSTRS)
California
$390K 55,043 +1,268 +2%
Marshall Wace
39
Marshall Wace
United Kingdom
$385K 54,469 +17,263 +46%
State of Wisconsin Investment Board
40
State of Wisconsin Investment Board
Wisconsin
$384K 54,300 – –
AllianceBernstein
41
AllianceBernstein
Tennessee
$326K 46,006 – –
RhumbLine Advisers
42
RhumbLine Advisers
Massachusetts
$311K 43,877 -1,228 -3%
Nomura Holdings
43
Nomura Holdings
Japan
$308K 43,534 +43,534 New
Susquehanna International Group
44
Susquehanna International Group
Pennsylvania
$291K 41,053 +9,724 +31%
CSS
45
Cubist Systematic Strategies
Connecticut
$272K 38,421 +25,538 +198%
PP
46
PDT Partners
New York
$261K 36,843 +36,843 New
ECM
47
ExodusPoint Capital Management
New York
$236K 33,265 +33,265 New
New York State Common Retirement Fund
48
New York State Common Retirement Fund
New York
$223K 31,468 -142 -0.4%
JF
49
Jump Financial
Illinois
$203K 28,700 +28,700 New
Citadel Advisors
50
Citadel Advisors
Florida
$203K 28,706 +28,706 New
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