IR
Superintel
OverviewMarketsWatchlist
© 2026 IR SuperintelMethodologyContact

Annexon Inc (ANNX)

CUSIP: 03589W102 | NYSE | Healthcare · Biotechnology | Small Cap | 418 institutional holders

Quarters

Q3 2026Q2 2026Q1 2026Q4 2025Q3 2025
CompareDetailedHistoricalFundsOptions13D/13GPeersTargetingTrading SummaryProfile

Beneficial Ownership — 13D / 13G

Full history →

5%+ stakes reported outside the quarterly cycle. A 13D is due within five business days of the event below, so these figures lead the holders table until the filer's next 13F catches up to them.

HolderShares% of ClassChangeEvent Datevs 13F
13G/ARedmile Group, LLC
with RedCo II Offshore SPV LLC
17,918,4599.9%New 5%+ stakeJul 1, 2026No 13F filer matched
13D/ASatter Muneer A10,444,1347.2%New 5%+ stakeNov 19, 2025No 13F filer matched
13G/ARedmile Group, LLC17,918,459
9.9% of class · Jul 1, 2026New 5%+ stake
with RedCo II Offshore SPV LLC
No 13F filer matched
13D/ASatter Muneer A10,444,134
7.2% of class · Nov 19, 2025New 5%+ stake
No 13F filer matched

Institutional Holders — Q3 2026

Dimensional Fund Advisors LP1,924,856
0.0% of portfolio›$8.1M
Candriam S.C.A.1,678,986
0.0% of portfolio›$7.1M
Y-Intercept (Hong Kong) Ltd1,297,235
0.1% of portfolio›$5.5M
Hennion & Walsh Asset Management, Inc.620,025
0.1% of portfolio›$2.6M
Mutual of America Capital Management LLC391,567
0.0% of portfolio›$1.7M
Citigroup Inc120,977
0.0% of portfolio›$511.7K
China Universal Asset Management Co., Ltd.115,591
0.0% of portfolio›$477.4K
J. Safra Sarasin Holding AG90,487
0.0% of portfolio›$382.8K
Profund Advisors LLC89,058
0.0% of portfolio›$376.7K
Simplex Trading, LLC81,084
0.0% of portfolio›$343.0K
AlphaCentric Advisors LLC75,495
0.3% of portfolio›$319.3K
Creative Planning49,529
0.0% of portfolio›$209.5K
Indivisible Partners47,600
0.0% of portfolio›$201.3K
SBI Securities Co., Ltd.42,225
0.0% of portfolio›$178.6K
Virginia Retirement Systems ET Al40,000
0.0% of portfolio›$169.2K
Arizona State Retirement System34,619
0.0% of portfolio›$146.4K
Lido Advisors, LLC31,000
0.0% of portfolio›$131.1K
DekaBank Deutsche Girozentrale27,194
0.0% of portfolio›$115.0K
ProShare Advisors LLC26,075
0.0% of portfolio›$110.3K
Principal Financial Group Inc24,884
0.0% of portfolio›$105.3K
Pictet Asset Management Holding SA16,701
0.0% of portfolio›$70.6K
Balefire, LLC15,000
0.0% of portfolio›$63.5K
Xponance LLC14,612
0.0% of portfolio›$61.8K
Sowell Financial Services LLC13,414
0.0% of portfolio›$56.7K
Wealth Enhancement Advisory Services, LLC11,653
0.0% of portfolio›$46.6K
Nisa Investment Advisors, LLC11,018
0.0% of portfolio›$46.6K
Mount Vernon Associates Inc10,500
0.0% of portfolio›$44.0K
Cambridge Investment Research Advisors, Inc.10,100
0.0% of portfolio›$43.0K
Mirae Asset Global Investments Co., Ltd.9,688
0.0% of portfolio›$41.0K
Sterling Capital Management LLC5,347
0.0% of portfolio›$22.6K
Caitong International Asset Management Co., Ltd5,298
0.0% of portfolio›$22.4K
GF Fund Management Co. Ltd.3,338
0.0% of portfolio›$14.1K
Mather Group, Llc.1,500
0.0% of portfolio›$6.3K
IFP Advisors, Inc537
0.0% of portfolio›$2.3K
Parkside Financial Bank & Trust478
0.0% of portfolio›$2.0K
Farther Finance Advisors, LLC473
0.0% of portfolio›$2.0K
Gamma Investing LLC372
0.0% of portfolio›$1.6K
Essential Partners LLC321
0.0% of portfolio›$1.4K
Fortitude Family Office, LLC280
0.0% of portfolio›$1.2K
Physician Wealth Advisors, Inc.269
0.0% of portfolio›$1.1K
EverSource Wealth Advisors, LLC185
0.0% of portfolio›$783
Hughes Financial Services, LLC59
0.0% of portfolio›$237
True Wealth Design, LLC46
0.0% of portfolio›$195
StyleTurnoverLocationFiled
Dimensional Fund Advisors LP
1,924,856$8.1M0.0%IndexLowAustin, TX2026-11-04
Candriam S.C.A.
1,678,986$7.1M0.0%GrowthMediumStrassen, Netherlands2026-11-03
Y-Intercept (Hong Kong) Ltd
1,297,235$5.5M0.1%ValueVery HighHong Kong, South Korea2026-10-16
Hennion & Walsh Asset Management, Inc.
620,025$2.6M0.1%ValueMediumParsippany, NJ2026-10-13
Mutual of America Capital Management LLC
391,567$1.7M0.0%IndexLowNew York, NY2026-10-23
Citigroup Inc
120,977$511.7K0.0%CoreMediumNew York, NY2026-11-04
China Universal Asset Management Co., Ltd.
115,591$477.4K0.0%GrowthMediumShanghai, France2026-10-28
J. Safra Sarasin Holding AG
90,487$382.8K0.0%CoreMediumBasel, Switzerland2026-10-26
Profund Advisors LLC
89,058$376.7K0.0%GrowthLowBethesda, MD2026-10-29
Simplex Trading, LLC
81,084$343.0K0.0%CoreVery HighChicago, IL2026-11-04
AlphaCentric Advisors LLC
75,495$319.3K0.3%CoreHighSan Juan, PR2026-11-03
Creative Planning
49,529$209.5K0.0%IndexVery LowOverland Park, KS2026-11-02
Indivisible Partners
47,600$201.3K0.0%GrowthMediumClearwater, FL2026-10-26
SBI Securities Co., Ltd.
42,225$178.6K0.0%Agg GrowthLowTokyo, Mexico2026-10-22
Virginia Retirement Systems ET Al
40,000$169.2K0.0%CoreMediumRichmond, VA2026-10-28
Arizona State Retirement System
34,619$146.4K0.0%IndexVery LowPhoenix, AZ2026-11-03
Lido Advisors, LLC
31,000$131.1K0.0%GrowthLowLos Angeles, CA2026-11-04
DekaBank Deutsche Girozentrale
27,194$115.0K0.0%CoreLowFrankfurt, Hong Kong2026-10-27
ProShare Advisors LLC
26,075$110.3K0.0%GrowthLowBethesda, MD2026-10-29
Principal Financial Group Inc
24,884$105.3K0.0%CoreLowDes Moines, IA2026-11-02
Pictet Asset Management Holding SA
16,701$70.6K0.0%GrowthMediumCarouge, Switzerland2026-11-03
Balefire, LLC
15,000$63.5K0.0%ETFMediumDallas, TX2026-10-09
Xponance LLC
14,612$61.8K0.0%IndexVery LowPhiladelphia, PA2026-11-03
Sowell Financial Services LLC
13,414$56.7K0.0%CoreLowNorth Little Rock, AR2026-10-23
Wealth Enhancement Advisory Services, LLC
11,653$46.6K0.0%CoreLowPlymouth, MN2026-10-13
Nisa Investment Advisors, LLC
11,018$46.6K0.0%IndexVery LowSt. Louis, MO2026-10-20
Mount Vernon Associates Inc
10,500$44.0K0.0%CoreVery LowBaltimore, MD2026-10-26
Cambridge Investment Research Advisors, Inc.
10,100$43.0K0.0%ETFLowFairfield, IA2026-11-02
Mirae Asset Global Investments Co., Ltd.
9,688$41.0K0.0%GrowthLowSeoul, Malaysia2026-11-03
Sterling Capital Management LLC
5,347$22.6K0.0%GARPMediumCharlotte, NC2026-10-22
Caitong International Asset Management Co., Ltd
5,298$22.4K0.0%GrowthVery HighHong Kong, South Korea2026-10-29
GF Fund Management Co. Ltd.
3,338$14.1K0.0%Agg GrowthMediumGuangzhou, France2026-10-26
Mather Group, Llc.
1,500$6.3K0.0%ETFMediumChicago, IL2026-10-14
IFP Advisors, Inc
537$2.3K0.0%GrowthLowTampa, FL2026-10-16
Parkside Financial Bank & Trust
478$2.0K0.0%CoreVery LowSaint Louis, MO2026-10-27
Farther Finance Advisors, LLC
473$2.0K0.0%IndexLowSan Francisco, CA2026-10-08
Gamma Investing LLC
372$1.6K0.0%IndexVery LowFoster City, CA2026-10-08
Essential Partners LLC
321$1.4K0.0%ValueMediumRancho Santa Fe, CA2026-10-14
Fortitude Family Office, LLC
280$1.2K0.0%ETFMediumScottsdale, AZ2026-10-14
Physician Wealth Advisors, Inc.
269$1.1K0.0%ETFMediumMidvale, UT2026-10-20
EverSource Wealth Advisors, LLC
185$7830.0%CoreMediumBirmingham, AL2026-11-04
Hughes Financial Services, LLC
59$2370.0%ETFLowHerndon, VA2026-10-30
True Wealth Design, LLC
46$1950.0%ETFMediumAkron, OH2026-10-13