Generation Bio Co

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Generation Bio Co
TickerGBIO
CIK #0001733294
CUSIP37148K100
SectorLife Sciences - Pharmaceutical Preparations
Address301 Binney Street, Cambridge, MA 02142
Source [EDGAR]
CIK Filing 2011 - 2024
[0001733294] 10-K
[0001733294] 10-Q
[0001733294] 3
[0001733294] 4
[0001733294] 8-K
[0001733294] D
[0001733294] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Modernatx Inc Generation Bio Co [2023-03-24] 8.9
T Rowe Price Investment Management Inc Generation Bio Co [2023-02-14] 6.0
PFM Health Sciences LP Generation Bio Co [2022-09-06] 5.1
Vanguard Group Inc Generation Bio Co [2022-02-10] 6.32
BlackRock Inc Generation Bio Co [2022-02-04] 5.6
Atlas Venture Fund X LP Generation Bio Co [2021-02-16] 21.7
Price T Rowe Associates Inc /MD/ Generation Bio Co [2021-02-10] 9.4
BB Biotech AG Generation Bio Co [2021-01-08] 5.1
FMR LLC Generation Bio Co [2020-08-24] 0.0
FMR LLC Generation Bio Co [2020-07-10] 0.0
Artal International SCA Generation Bio Co [2020-06-26] 6.3
Zone Healthcare Holdings LLC Generation Bio Co [2020-06-26] 4.1
Flynn James E Generation Bio Co [2020-06-16] 2.66
Form 3/4/5 Filer 2011 - 2024
Appelhans Dannielle
Generation Bio Co.
Stehman-Breen Catherine
Rowland Charles A Jr
Rhodes Jason P
Quinn Anthony G.
Nicholson Donald William
Jonas Jeffrey M
Cooper Ronald Harold Wilfred
Christensen Gustav
Paone Antoinette
McDonough Geoff
Samayoa Phillip
Stanton Matthew
Zimmermann Tracy
Norkunas Matthew
Kerr Douglas
Howze Yalonda
Atlas Venture Associates Opportunity I, LLC
Atlas Venture Associates X LP
Atlas Venture Opportunity Fund I, L.P.
Atlas Venture Associates X, LLC
Atlas Venture Fund X, L.P.
Atlas Venture Associates Opportunity I, L.P.
Angelino Mark D.
Artal Group S.A.
Minne Pascal
Stichting Administratiekantoor Westend
Artal International Management S.A.
Invus Public Equities Advisors, LLC
Artal Treasury Ltd
Westend S.A.
Artal International S.C.A.
Invus Public Equities, L.P.
Wellington Biomedical Innovation Master Investors (Cayman) I
Casdin Eli
Casdin Capital, LLC
Dreyfuss Philip D
Zone Healthcare Holdings, LLC
Farallon Partners L L C/CA
Kim David T
Fisch Michael B.
Farallon Capital Management LLC
Patel Rajiv A
Roberts Thomas G. Jr.
Fried Richard B
Linn Michael G
Spokes Andrew J M
Warren John R.
Seybold William
Wehrly Mark C
Flynn James E
Deerfield Mgmt L.P.
Deerfield Management Company LP Series C
Deerfield Partners LP
DiPalma Stephen J.
Form 13F Holdings
Firm Period DFND Voting Shares
FMR LLC [2023-03-31] DFND 8,949,863.0 8,949,863.0
Atlas Venture Life Science Advisors LLC [2023-03-31] SOLE 8,279,484.0 8,279,484.0
Price T Rowe Associates Inc /MD/ [2023-03-31] SOLE 1,385,216.0 7,597,120.0
Bellevue Group AG [2023-03-31] DFND 3,620,280.0 3,620,280.0
BlackRock Inc. [2023-03-31] SOLE 3,376,259.0 3,446,364.0
T. Rowe Price Investment Management, Inc. [2023-03-31] SOLE 1,085,048.0 3,380,956.0
Artal Group S.A. [2023-03-31] DFND 2,814,191.0 2,814,191.0
PFM Health Sciences LP [2023-03-31] DFND 0.0 2,648,297.0
Vanguard Group Inc [2023-03-31] SOLE 0.0 2,202,549.0
EcoR1 Capital LLC [2023-03-31] SOLE 1,956,579.0 1,956,579.0
Yiheng Capital Management LP [2023-03-31] SOLE 1,601,766.0 1,601,766.0
Great Point Partners LLC [2023-03-31] DFND 0.0 1,022,537.0
Geode Capital Management LLC [2023-03-31] DFND 933,757.0 933,757.0
State Street Corp [2023-03-31] DFND 849,546.0 896,746.0
Goldman Sachs Group Inc [2023-03-31] DFND 689,539.0 689,539.0
Bank of America Corp /DE/ [2023-03-31] DFND 8,471.0 542,800.0
Morgan Stanley [2023-03-31] DFND 450,102.0 513,794.0
Harvard Management Co Inc [2023-03-31] SOLE 510,354.0 510,354.0
Dimensional Fund Advisors LP [2023-03-31] SOLE 449,693.0 486,271.0
JPMorgan Chase & Co [2023-03-31] DFND 405,404.0 463,854.0
UBS Group AG [2023-03-31] SOLE 387,283.0 387,283.0
Northern Trust Corp [2023-03-31] DFND 6,181.0 385,091.0
Vontobel Holding Ltd. [2023-03-31] DFND 385,070.0 385,070.0
Sectoral Asset Management Inc [2023-03-31] SOLE 385,070.0 385,070.0
Charles Schwab Investment Management Inc [2023-03-31] SOLE 333,545.0 333,545.0
Renaissance Technologies LLC [2023-03-31] SOLE 287,000.0 287,000.0
Nuveen Asset Management LLC [2023-03-31] DFND 280,622.0 280,622.0
TD Asset Management Inc [2023-03-31] SOLE 231,461.0 231,461.0
Atika Capital Management LLC [2023-03-31] DFND 186,259.0 186,259.0
Bank of New York Mellon Corp [2023-03-31] DFND 128,864.0 161,363.0
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