Generation Bio Co.
Hedge Funds Holdings

Last updated:

Generation Bio Co.‘s stocks are currently a part of 100 hedge funds’ portfolios, which represents 97.4% of the total amount of its stocks outstanding. This makes up a total of 55.66M shares of Generation Bio Co.. Compared to the previous quarter, the number grew by 0.46% or 255.34K shares more. As for the holding position changes, 40% (40) of current hedge fund investors increased the number of shares held, 23% (23) of current holders sold a part of the shares held, and 7% (7) closed the holdings completely. 22 hedge funds are new holders of Generation Bio Co. stock in Q3 2022, it is 22% of total holders.

Hedge funds holding Generation Bio (Q2 2020 – Q3 2022)

Number of hedge funds
Q2 2020 48
Q3 2020 53
Q4 2020 68
Q1 2021 86
Q2 2021 96
Q3 2021 81
Q4 2021 87
Q1 2022 86
Q2 2022 92
Q3 2022 100

Hedge funds changes in Generation Bio positions (Q2 2020 – Q3 2022)

Changes in positions
Q2 2020 480000
Q3 2020 23131018-11
Q4 2020 21261065
Q1 2021 284399-3
Q2 2021 18402297
Q3 2021 9312624-9
Q4 2021 22292315-2
Q1 2022 13312914-1
Q2 2022 18352496
Q3 2022 22402378

Hedge funds changes in Generation Bio stock options (Q2 2020 – Q3 2022)

Changes in stock options
Q2 2020 0 0
Q3 2020 0 0
Q4 2020 0 0
Q1 2021 0 6,109,000
Q2 2021 3,000 3,074,000
Q3 2021 216,000 2,896,000
Q4 2021 110,000 91,000
Q1 2022 2,000 1,000
Q2 2022 111,000 1,000
Q3 2022 90,000 0

Top 50 hedge fund holders of Generation Bio Co. (NASDAQ:GBIO)

Hedge fund Value Shares owned Portfolio share
FMR LLC 47.00M 8.85M 0.005%
ATLAS VENTURE LIFE SCIENCE ADVISORS, LLC 43.96M 8.27M 4.851%
PRICE T ROWE ASSOCIATES INC /MD/ 39.27M 7.39M 0.006%
BELLEVUE GROUP AG 19.26M 3.62M 0.276%
BLACKROCK INC. Larry Fink 19.20M 3.61M 0.001%
T. ROWE PRICE INVESTMENT MANAGEMENT, INC. 18.49M 3.48M 0.015%
PFM HEALTH SCIENCES, LP 16.00M 3.01M 0.579%
ARTAL GROUP S.A. 14.94M 2.81M 0.638%
FARALLON CAPITAL MANAGEMENT LLC Tom Steyer 13.27M 2.5M 0.079%
VANGUARD GROUP INC 11.78M 2.21M 0.000%
YIHENG CAPITAL MANAGEMENT, L.P. 5.29M 997.85K 0.327%
STATE STREET CORP 4.87M 918.49K 0.000%
GEODE CAPITAL MANAGEMENT, LLC 4.53M 854.92K 0.001%
GREAT POINT PARTNERS LLC 4.38M 825.07K 1.055%
GOLDMAN SACHS GROUP INC 4.33M 815.57K 0.001%
BANK OF AMERICA CORP /DE/ 3.22M 606.45K 0.000%
HARVARD MANAGEMENT CO INC 2.71M 510.35K 0.337%
MORGAN STANLEY 2.58M 486.82K 0.000%
JPMORGAN CHASE & CO 2.43M 458.07K 0.000%
NORTHERN TRUST CORP 2.19M 413.69K 0.001%
UBS GROUP AG 1.97M 371.94K 0.001%
BVF INC/IL 1.92M 361.82K 0.079%
NUVEEN ASSET MANAGEMENT, LLC 1.90M 358.64K 0.001%
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 1.80M 340.59K 0.001%
DIMENSIONAL FUND ADVISORS LP 1.76M 332.97K 0.001%
RENAISSANCE TECHNOLOGIES LLC Jim Simons 1.54M 290.2K 0.002%
HIGHVISTA STRATEGIES LLC 1.32M 248.99K 0.755%
TD ASSET MANAGEMENT INC 1.17M 231.46K 0.002%
D. E. SHAW & CO., INC. David E. Shaw 1.15M 217.41K 0.001%
BANK OF NEW YORK MELLON CORP 878K 165.41K 0.000%
MANUFACTURERS LIFE INSURANCE COMPANY, THE 778K 152.01K 0.001%
JACOBS LEVY EQUITY MANAGEMENT, INC 777K 146.26K 0.006%
DEUTSCHE BANK AG\ 743K 139.95K 0.000%
STATE OF WISCONSIN INVESTMENT BOARD 689K 129.67K 0.002%
SWISS NATIONAL BANK 535K 100.7K 0.000%
GSA CAPITAL PARTNERS LLP 440K 82.94K 0.058%
MARTINGALE ASSET MANAGEMENT L P 395K 74.30K 0.008%
RHUMBLINE ADVISERS 375K 70.66K 0.001%
LOS ANGELES CAPITAL MANAGEMENT LLC 347K 65.33K 0.002%
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 296K 55.82K 0.001%
ALLIANCEBERNSTEIN L.P. 281K 53.00K 0.000%
HRT FINANCIAL LP 263K 49.64K 0.003%
PDT PARTNERS, LLC 216K 40.60K 0.033%
MAN GROUP PLC Ian Livingston 216K 40.67K 0.001%
TWO SIGMA ADVISERS, LP 198K 37.2K 0.001%
NISA INVESTMENT ADVISORS, LLC 191K 36.2K 0.002%
MARSHALL WACE, LLP Paul Marshall 180K 33.82K 0.000%
TREXQUANT INVESTMENT LP 175K 32.90K 0.006%
AQR CAPITAL MANAGEMENT LLC Cliff Asness 173K 32.62K 0.000%
TWO SIGMA INVESTMENTS, LP John Overdeck 168K 31.56K 0.001%