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Generation Bio
GBIO

Overview Fund Activity

81 hedge funds and large institutions have $315M invested in Generation Bio in 2023 Q2 according to their latest regulatory filings, with 9 funds opening new positions, 30 increasing their positions, 26 reducing their positions, and 13 closing their positions.

Holders
81
Holders Change
-4
Holders Change %
-4.71%
% of All Funds
1.28%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.02%
New
9
Increased
30
Reduced
26
Closed
13
Calls
$29K
Puts
$34K
Net Calls
-$5K
Net Calls Change
-$130K

Top Buyers

1
JPMorgan Chase & Co
1
JPMorgan Chase & Co
New York
$4.96M
2
T. Rowe Price Investment Management
2
T. Rowe Price Investment Management
Maryland
$19.3M
3
Dimensional Fund Advisors
3
Dimensional Fund Advisors
Texas
$3.54M
4
BlackRock
4
BlackRock
New York
$19.5M
5
EC
5
EcoR1 Capital
California
$11.3M

Top Sellers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$47.4M
2
ACM
2
Atika Capital Management
New York
$0
3
T. Rowe Price Associates
3
T. Rowe Price Associates
Maryland
$41.2M
4
GCP
4
GSA Capital Partners
United Kingdom
$0
5
PHS
5
PFM Health Sciences
California
$14.3M
Name Market Value Shares Shares
Change 		Shares
Change %
Renaissance Technologies
26
Renaissance Technologies
New York
$1.7M 308,100 +21,100 +7%
Nuveen Asset Management
27
Nuveen Asset Management
Illinois
$1.5M 272,324 -8,298 -3%
TD Asset Management
28
TD Asset Management
Ontario, Canada
$1.3M 236,255 +4,794 +2%
Bank of New York Mellon
29
Bank of New York Mellon
New York
$915K 166,401 +5,038 +3%
Manulife (Manufacturers Life Insurance)
30
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$837K 152,265 -449 -0.3%
State of Wisconsin Investment Board
31
State of Wisconsin Investment Board
Wisconsin
$649K 118,000 +31,400 +36%
MAM
32
Martingale Asset Management
Massachusetts
$409K 74,304 – –
Invesco
33
Invesco
Georgia
$406K 73,895 -705 -0.9%
RhumbLine Advisers
34
RhumbLine Advisers
Massachusetts
$393K 71,428 -3,484 -5%
AllianceBernstein
35
AllianceBernstein
Tennessee
$384K 69,816 +14,010 +25%
Los Angeles Capital Management
36
Los Angeles Capital Management
California
$365K 66,372 +2,200 +3%
Wellington Management Group
37
Wellington Management Group
Massachusetts
$308K 55,974 +55,974 New
Squarepoint
38
Squarepoint
New York
$274K 49,838 +49,838 New
CIC
39
Cornercap Investment Counsel
Georgia
$209K 38,062 +9,390 +33%
D.E. Shaw & Co
40
D.E. Shaw & Co
New York
$199K 36,239 -46,280 -56%
Marshall Wace
41
Marshall Wace
United Kingdom
$190K 34,473 – –
Citadel Advisors
42
Citadel Advisors
Florida
$178K 32,294 +32,294 New
Millennium Management
43
Millennium Management
New York
$161K 29,193 -10,125 -26%
SFG
44
SVB Financial Group
Texas
$153K 27,882 -12,519 -31%
Two Sigma Advisers
45
Two Sigma Advisers
New York
$151K 27,500 +1,800 +7%
MIM
46
MetLife Investment Management
New Jersey
$132K 24,031 +8,178 +52%
PP
47
PDT Partners
New York
$122K 22,187 -8,483 -28%
AIG
48
American International Group
New York
$120K 21,796 -1,413 -6%
Mirae Asset Global Investments
49
Mirae Asset Global Investments
South Korea
$109K 19,744 +13 +0.1%
Wells Fargo
50
Wells Fargo
California
$107K 19,404 +8,757 +82%
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