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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 %
Charles Schwab
26
Charles Schwab
California
$1.43M 333,545 -12,762 -4%
Renaissance Technologies
27
Renaissance Technologies
New York
$1.23M 287,000 +35,000 +14%
Nuveen Asset Management
28
Nuveen Asset Management
Illinois
$1.21M 280,622 -61,439 -18%
TD Asset Management
29
TD Asset Management
Ontario, Canada
$995K 231,461 – –
Bank of New York Mellon
30
Bank of New York Mellon
New York
$694K 161,363 -2,566 -2%
Manulife (Manufacturers Life Insurance)
31
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$657K 152,714 – –
GCP
32
GSA Capital Partners
United Kingdom
$564K 131,146 +44,992 +52%
State of Wisconsin Investment Board
33
State of Wisconsin Investment Board
Wisconsin
$372K 86,600 -36,328 -30%
D.E. Shaw & Co
34
D.E. Shaw & Co
New York
$355K 82,519 -144,329 -64%
RhumbLine Advisers
35
RhumbLine Advisers
Massachusetts
$322K 74,912 +581 +0.8%
Invesco
36
Invesco
Georgia
$321K 74,600 +57,917 +347%
MAM
37
Martingale Asset Management
Massachusetts
$320K 74,304 – –
Los Angeles Capital Management
38
Los Angeles Capital Management
California
$276K 64,172 -1,160 -2%
AllianceBernstein
39
AllianceBernstein
Tennessee
$240K 55,806 -1,100 -2%
JFG
40
Jefferies Financial Group
New York
$237K 55,000 +55,000 New
SFG
41
SVB Financial Group
Texas
$174K 40,401 -12,519 -24%
Millennium Management
42
Millennium Management
New York
$169K 39,318 +13,400 +52%
Marshall Wace
43
Marshall Wace
United Kingdom
$148K 34,473 – –
PP
44
PDT Partners
New York
$132K 30,670 +16,110 +111%
Ensign Peak Advisors
45
Ensign Peak Advisors
Utah
$132K 30,640 +15,400 +101%
Barclays
46
Barclays
United Kingdom
$130K 30,186 +17,273 +134%
Deutsche Bank
47
Deutsche Bank
Germany
$125K 29,177 -121,107 -81%
CIC
48
Cornercap Investment Counsel
Georgia
$123K 28,672 +153 +0.5%
Tudor Investment Corp
49
Tudor Investment Corp
Connecticut
$121K 28,075 +28,075 New
Susquehanna International Group
50
Susquehanna International Group
Pennsylvania
$116K 26,874 +26,874 New
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