Magenta Therapeutics Inc

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Magenta Therapeutics Inc
TickerMGTA
CIK #0001690585
CUSIP55910K108
SectorLife Sciences - Pharmaceutical Preparations
Address50 Hampshire Street, Cambridge, MA 02139
Source [EDGAR]
CIK Filing 2011 - 2024
[0001690585] 10-K
[0001690585] 10-Q
[0001690585] 3
[0001690585] 4
[0001690585] 5
[0001690585] 8-K
[0001690585] D
[0001690585] SC 13D
[0001690585] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Citadel Advisors LLC Magenta Therapeutics Inc [2023-05-15] 6.5
Tang Capital Partners LP Magenta Therapeutics Inc [2023-02-13] 9.7
RA Capital Management LP Magenta Therapeutics Inc [2022-09-26] 6.09
Aquilo Capital Management LLC Magenta Therapeutics Inc [2022-02-14] 5.4
Deep Track Capital LP Magenta Therapeutics Inc [2021-05-14] 7.14
Atlas Venture Fund X LP Magenta Therapeutics Inc [2020-07-14] 8.7
Gilder Gagnon Howe & Co LLC Magenta Therapeutics Inc [2020-02-14] 10.52
Gilder Gagnon Howe & Co LLC Magenta Therapeutics Inc [2019-06-10] 10.6
Third Rock Ventures GP IV LP Magenta Therapeutics Inc [2019-02-13] 24.2
Atlas Venture Fund X LP Magenta Therapeutics Inc [2019-02-13] 14.6
Eventide Asset Management LLC Magenta Therapeutics Inc [2019-02-13] 8.0
GV 2016 LP Magenta Therapeutics Inc [2019-02-12] 10.07
Casdin Capital LLC Magenta Therapeutics Inc [2018-07-02] 5.9
Form 3/4/5 Filer 2011 - 2024
Third Rock Ventures IV, L.P.
Magenta Therapeutics, Inc.
TRV GP IV LLC
Third Rock Ventures GP IV, L.P.
Stants Kristen
Deardorf Caren
Mahoney Stephen F.
Gardner Jason
Beetham Thomas W.
Vasconcelles Michael
Olson Lisa
Humphrey Jeffrey
Nichols David Wayne
Lawton Alison Frances
McGeorge Anne
Scadden David
Albers Jeffrey W.
Booth Bruce
Daniel Thomas O
Ronneberg Amy L
Borisy Alexis
Bonney Michael W
Atlas Venture Fund X, L.P.
Zdraveski Zoran
Davis John C Jr
Driscoll Cindy
Atlas Venture Opportunity Fund I, L.P.
Atlas Venture Associates Opportunity I, LLC
Atlas Venture Associates Opportunity I, L.P.
Byers Blake
Ryan Jason
Isacson Christina K
Cooke Michael P
Atlas Venture Associates X LP
Atlas Venture Associates X, LLC
GV 2016 GP LLC
Alphabet Inc.
GV 2016 LP
GV 2016 GP LP
Form 13F Holdings
Firm Period DFND Voting Shares
Tang Capital Management LLC [2023-03-31] OTR 0.0 6,050,000.0
Lion Point Capital LP [2023-03-31] SOLE 4,558,466.0 4,558,466.0
Atlas Venture Life Science Advisors LLC [2023-03-31] SOLE 3,791,698.0 3,791,698.0
Alphabet Inc. [2023-03-31] DFND 0.0 3,339,138.0
Verition Fund Management LLC [2023-03-31] SOLE 2,198,465.0 2,198,465.0
Vanguard Group Inc [2023-03-31] SOLE 0.0 1,955,378.0
Western Standard LLC [2023-03-31] SOLE 1,439,374.0 1,439,374.0
TCW Group Inc [2023-03-31] DFND 750,000.0 750,000.0
Acadian Asset Management LLC [2023-03-31] DFND 614,213.0 614,213.0
Laurion Capital Management LP [2023-03-31] SOLE 582,300.0 582,300.0
Morgan Stanley [2023-03-31] DFND 515,789.0 517,039.0
BlackRock Inc. [2023-03-31] SOLE 464,210.0 465,969.0
Renaissance Technologies LLC [2023-03-31] SOLE 393,400.0 393,400.0
Geode Capital Management LLC [2023-03-31] DFND 357,690.0 357,690.0
Harvard Management Co Inc [2023-03-31] SOLE 332,610.0 332,610.0
RBF Capital, LLC [2023-03-31] SOLE 250,822.0 250,822.0
Bessemer Group Inc [2023-03-31] DFND 237,292.0 237,292.0
Credit Suisse AG [2023-03-31] DFND 193,500.0 193,500.0
Susquehanna International Group LLP [2023-03-31] DFND 181,503.0 181,503.0
Marshall Wace LLP [2023-03-31] OTR 0.0 157,670.0
Two Sigma Advisers LP [2023-03-31] SOLE 140,245.0 154,054.0
Bridgeway Capital Management LLC [2023-03-31] SOLE 152,700.0 152,700.0
Harbor Capital Advisors Inc [2023-03-31] SOLE 152,138.0 152,138.0
State Street Corp [2023-03-31] DFND 139,207.0 139,207.0
Northern Trust Corp [2023-03-31] DFND 0.0 97,335.0
Two Sigma Investments LP [2023-03-31] SOLE 91,373.0 91,373.0
Bank of New York Mellon Corp [2023-03-31] DFND 65,321.0 65,321.0
Cheyne Capital Management UK LLP [2023-03-31] SOLE 47,170.0 47,170.0
Corsair Capital Management LP [2023-03-31] SOLE 32,846.0 32,846.0
Citadel Advisors LLC [2023-03-31] DFND 30,620.0 30,620.0
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