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 - 2025
[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
Logos Global Management LP Annexon Inc [2025-04-28] 0.0
Vanguard Group Inc Annexon Inc [2025-01-31] 0.0
BlackRock Inc Annexon Inc [2024-11-08] 7.2
BlackRock Inc Annexon Inc [2024-10-22] 7.2
BB Biotech AG Annexon Inc [2024-04-22] 81945.2
Point72 Asset Management LP Annexon Inc [2024-02-12] 6.2
FMR LLC Annexon Inc [2024-01-10] 0.0
Logos Global Management LP Annexon Inc [2023-06-22] 5.8
Citadel Advisors LLC Annexon Inc [2023-02-27] 4.9
Pictet Asset Management Sa Annexon Inc [2023-02-03] 2.59
Adage Capital Partners GP LLC Annexon Inc [2022-07-18] 8.68
Satter Muneer A Annexon Inc [2022-07-18] 10.4
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
AllianceBernstein LP Annexon Inc [2022-02-14] 5.4
Price T Rowe Associates Inc /MD/ Annexon Inc [2022-02-14] 7.4
Federated Hermes Inc Annexon Inc [2022-02-14] 5.28
Pictet Asset Management Sa Annexon Inc [2022-02-10] 5.63
Bain Capital Life Sciences Fund LP Annexon Inc [2021-02-16] 7.7
Redmile Group LLC Annexon Inc [2021-02-16] 0.04
New Enterprise Associates 15 LP Annexon Inc [2021-02-12] 6.5
Eventide Asset Management LLC Annexon Inc [2021-02-12] 5.3
Satter Muneer A Annexon Inc [2021-02-12] 5.1
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 - 2025
Annexon, Inc.
Carson William H.
Overdorf Michael
Yednock Ted
Lew Jennifer
Jones William A Jr
Cockroft Bettina M.
Choi Jung
Wiggans Thomas G
Satter Muneer A
Waddill William D.
Artis Dean Richard
Dananberg Jamie
Love Douglas
BCIP Life Sciences Associates, LP
Bain Capital Life Sciences Investors, LLC
Bain Capital Life Sciences Partners, LP
Bain Capital Life Sciences Fund, L.P.
Mattheakis Larry
Keswani Sanjay Chandru
Sun Ricky
Redmile Group, LLC
Green Jeremy
Schwarzman Stephen A
Blackstone Clarus III L.L.C.
Blackstone Holdings II L.P.
Clarus Lifesciences III, L.P.
Blackstone Holdings I/II GP L.L.C.
Blackstone Inc.
Blackstone Group Management L.L.C.
Clarus Ventures III GP, L.P.
Deerfield Mgmt L.P.
Flynn James E
Deerfield Private Design Fund IV, L.P.
Deerfield Management Company LP
Deerfield Mgmt IV, L.P.
Deerfield Partners LP
Koppel Adam
Schwartz Jeffrey Lawrence
Sandell Scott D
Makower Joshua
Makhzoumi Mohamad
Florence Anthony A. Jr.
Baskett Forest
Gallagher Carol Giltner
NEA 15 GP LLC
NEA Partners 15, L.P.
New Enterprise Associates 15, L.P.
Cunningham Emmett
Young William
Sonsini Peter W.
Form 13F Holdings
Firm Period DFND Voting Shares
FMR LLC [2025-06-30] DFND 15,690,765 15,695,226
BlackRock, Inc. [2025-06-30] SOLE 7,781,336 7,962,368
BVF Inc/IL [2025-06-30] DFND 0 7,000,000
Redmile Group LLC [2025-06-30] SOLE 6,300,644 6,300,644
Vanguard Group Inc [2025-06-30] SOLE 0 5,294,171
Bain Capital Life Sciences Investors, LLC [2025-06-30] SOLE 5,249,069 5,249,069
Bellevue Group AG [2025-06-30] DFND 5,157,290 5,157,290
SIO Capital Management LLC [2025-06-30] SOLE 4,095,764 4,095,764
TFG Asset Management GP Ltd [2025-06-30] DFND 0 2,810,000
Candriam S.C.A. [2025-06-30] SOLE 2,534,230 2,534,230
Millennium Management LLC [2025-06-30] SOLE 2,514,134 2,514,134
Logos Global Management LP [2025-06-30] SOLE 2,410,000 2,410,000
Geode Capital Management LLC [2025-06-30] DFND 2,284,773 2,284,773
Ameriprise Financial Inc [2025-06-30] DFND 0 2,166,178
State Street Corp [2025-06-30] DFND 1,857,284 1,980,984
Sphera Funds Management Ltd [2025-06-30] DFND 1,764,387 1,764,387
Goldman Sachs Group Inc [2025-06-30] DFND 1,630,649 1,630,649
Bank of America Corp /DE/ [2025-06-30] DFND 18,632 1,452,795
Mutual of America Capital Management LLC [2025-06-30] SOLE 1,078,961 1,078,961
Woodline Partners LP [2025-06-30] SOLE 1,053,709 1,053,709
Sirios Capital Management L P [2025-06-30] OTR 0 989,577
Massachusetts Financial Services Co /MA/ [2025-06-30] SOLE 987,513 987,513
Kennedy Capital Management LLC [2025-06-30] SOLE 853,792 855,573
Morgan Stanley [2025-06-30] DFND 429,212 832,540
Dimensional Fund Advisors LP [2025-06-30] SOLE 713,231 796,100
Walleye Capital LLC [2025-06-30] SOLE 794,639 794,639
Renaissance Technologies LLC [2025-06-30] SOLE 777,900 777,900
Charles Schwab Investment Management Inc [2025-06-30] SOLE 728,389 728,389
Northern Trust Corp [2025-06-30] DFND 728,021 728,021
Deerfield Management Company LP [2025-06-30] DFND 583,913 583,913
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