Annexon Inc

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Annexon Inc
TickerANNX
CIK #0001528115
CUSIP03589W102
SectorLife Sciences - Pharmaceutical Preparations
Address180 Kimball Way Suite 200, South San Francisco, CA 94080
Source [EDGAR]
CIK Filing 2011 - 2024
[0001528115] 10-K
[0001528115] 10-Q
[0001528115] 3
[0001528115] 4
[0001528115] 8-K
[0001528115] D
[0001528115] SC 13D
[0001528115] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Citadel Advisors LLC Annexon Inc [2023-02-27] 4.9
Pictet Asset Management Sa Annexon Inc [2023-02-03] 2.59
Satter Muneer A Annexon Inc [2022-07-18] 10.4
Adage Capital Partners GP LLC Annexon Inc [2022-07-18] 8.68
BlackRock Inc Annexon Inc [2022-07-08] 2.5
Venrock Healthcare Capital Partners II LP Annexon Inc [2022-06-23] 5.0
Biotechnology Value Fund L P Annexon Inc [2022-05-26] 4.7
Fairmount Funds Management LLC Annexon Inc [2022-04-21] 6.7
Federated Hermes Inc Annexon Inc [2022-02-14] 5.28
AllianceBernstein LP Annexon Inc [2022-02-14] 5.4
Price T Rowe Associates Inc /MD/ Annexon Inc [2022-02-14] 7.4
Pictet Asset Management Sa Annexon Inc [2022-02-10] 5.63
Redmile Group LLC Annexon Inc [2021-02-16] 0.04
Bain Capital Life Sciences Fund LP Annexon Inc [2021-02-16] 7.7
Satter Muneer A Annexon Inc [2021-02-12] 5.1
New Enterprise Associates 15 LP Annexon Inc [2021-02-12] 6.5
Eventide Asset Management LLC Annexon Inc [2021-02-12] 5.3
FMR LLC Annexon Inc [2021-02-08] 0.0
BlackRock Inc Annexon Inc [2021-02-02] 6.5
Novartis BioVentures Ltd Annexon Inc [2021-01-29] 5.52
Zone II Healthcare Holdings LLC Annexon Inc [2020-08-07] 4.1
Blackstone Holdings II LP Annexon Inc [2020-08-07] 7.6
Citadel Advisors LLC Annexon Inc [2020-08-07] 5.5
Flynn James E Annexon Inc [2020-07-28] 2.25
Form 3/4/5 Filer 2011 - 2024
Waddill William D.
Annexon, Inc.
Choi Jung
Satter Muneer A
Carson William H.
Wiggans Thomas G
Cockroft Bettina M.
Bain Capital Life Sciences Partners, LP
BCIP Life Sciences Associates, LP
Bain Capital Life Sciences Fund, L.P.
Bain Capital Life Sciences Investors, LLC
Yednock Ted
Love Douglas
Lew Jennifer
Overdorf Michael
Artis Dean Richard
Mattheakis Larry
Keswani Sanjay
Sun Ricky
Green Jeremy
Redmile Group, LLC
Clarus Ventures III GP, L.P.
Clarus Lifesciences III, L.P.
Blackstone Holdings II L.P.
Blackstone Holdings I/II GP L.L.C.
Schwarzman Stephen A
Blackstone Clarus III L.L.C.
Blackstone Inc.
Blackstone Group Management L.L.C.
Koppel Adam
Schwartz Jeffrey Lawrence
Flynn James E
Deerfield Mgmt L.P.
Deerfield Management Company LP Series C
Deerfield Mgmt IV, L.P.
Deerfield Partners LP
Deerfield Private Design Fund IV, L.P.
Cunningham Emmett
Young William
Sonsini Peter W.
Sandell Scott D
Makower Joshua
Makhzoumi Mohamad
Florence Anthony A. Jr.
Baskett Forest
Gallagher Carol Giltner
NEA Partners 15, L.P.
NEA 15 GP LLC
New Enterprise Associates 15, L.P.
Form 13F Holdings
Firm Period DFND Voting Shares
Alerce Investment Management LP [2023-03-31] SOLE 7,056,024.0 7,056,024.0
Bain Capital Life Sciences Investors, LLC [2023-03-31] SOLE 4,886,616.0 4,886,616.0
Adage Capital Partners GP LLC [2023-03-31] SOLE 3,549,975.0 3,549,975.0
Redmile Group LLC [2023-03-31] SOLE 3,503,190.0 3,503,190.0
VR Adviser LLC [2023-03-31] SOLE 3,220,050.0 3,220,050.0
Federated Hermes Inc [2023-03-31] DFND 3,057,800.0 3,057,800.0
Citadel Advisors LLC [2023-03-31] DFND 2,589,917.0 2,589,917.0
Eventide Asset Management LLC [2023-03-31] SOLE 1,867,250.0 1,867,250.0
Vanguard Group Inc [2023-03-31] SOLE 0.0 1,554,019.0
GMT Capital Corp [2023-03-31] SOLE 1,408,697.0 1,408,697.0
Millennium Management LLC [2023-03-31] SOLE 1,364,343.0 1,364,343.0
Cormorant Asset Management LP [2023-03-31] DFND 1,250,000.0 1,250,000.0
Pictet Asset Management Sa [2023-03-31] DFND 0.0 1,232,713.0
Octagon Capital Advisors LP [2023-03-31] SOLE 1,190,000.0 1,190,000.0
BlackRock Inc. [2023-03-31] SOLE 1,158,804.0 1,161,116.0
Driehaus Capital Management LLC [2023-03-31] SOLE 832,672.0 1,090,986.0
Artal Group S.A. [2023-03-31] DFND 1,018,303.0 1,018,303.0
Polar Capital Holdings Plc [2023-03-31] DFND 1,000,000.0 1,000,000.0
Soleus Capital Management LP [2023-03-31] SOLE 915,400.0 915,400.0
Blackstone Inc. [2023-03-31] OTR 0.0 910,211.0
Acadian Asset Management LLC [2023-03-31] DFND 805,279.0 805,279.0
Massachusetts Financial Services Co /MA/ [2023-03-31] SOLE 784,030.0 784,030.0
Simplify Asset Management Inc [2023-03-31] SOLE 653,483.0 653,483.0
Deerfield Management Company LP Series C [2023-03-31] DFND 583,913.0 583,913.0
Woodline Partners LP [2023-03-31] SOLE 548,474.0 548,474.0
Board of Trustees of The Leland Stanford Junior University [2023-03-31] SOLE 482,550.0 482,550.0
Marshall Wace LLP [2023-03-31] OTR 0.0 464,819.0
Point72 Asset Management LP [2023-03-31] DFND 0.0 461,284.0
Luminus Management LLC [2023-03-31] SOLE 425,000.0 425,000.0
Geode Capital Management LLC [2023-03-31] DFND 387,083.0 387,083.0
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