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NASDAQ: ANNX
Annexon Inc Stock Ownership - Who owns Annexon?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Annexon Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
William H. CarsonDirector2026-03-108,000$5.67
$45.36kBuy
Dean Richard ArtisEVP CHIEF SCIENTIFIC OFFICER2026-03-025,894$5.43
$32.00kSell
Ted YednockEVP CHIEF INNOVATION OFFICER2026-03-025,566$5.42
$30.17kSell
Michael OverdorfEVP CHIEF BUSINESS OFFICER2026-03-024,339$5.42
$23.52kSell
Jennifer LewEVP CHIEF FINANCIAL OFFICER2026-03-025,565$5.42
$30.16kSell
Jamie DananbergCHIEF MEDICAL OFFICER2026-03-025,820$5.43
$31.60kSell
Dean Richard ArtisEVP CHIEF SCIENTIFIC OFFICER2026-02-185,290$5.10
$26.98kSell
Jamie DananbergCHIEF MEDICAL OFFICER2026-02-185,290$5.10
$26.98kSell
Jennifer LewEVP CHIEF FINANCIAL OFFICER2026-02-187,851$5.11
$40.12kSell
Michael OverdorfEVP CHIEF BUSINESS OFFICER2026-02-186,225$5.10
$31.75kSell

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Net Insider Buy/Sell (L12M) Ownership

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ANNX Shareholders

What type of owners hold Annexon Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Bain Capital Life Sciences Investors LLC9.28%11,103,852$66.96MInsider
Fmr LLC8.54%10,222,470$61.64MInstitution
Redmile Group LLC8.40%10,050,644$60.61MInstitution
Muneer A. Satter8.13%9,728,637$58.66MInsider
Bvf Inc7.63%9,128,080$55.04MInstitution
Blackrock Inc7.49%8,960,434$54.03MInstitution
Vanguard Group Inc6.48%7,753,387$46.75MInstitution
Adage Capital Partners GP LLC4.60%5,500,000$33.17MInstitution
Bain Capital Life Sciences Investors LLC4.39%5,249,069$31.65MInstitution
Bellevue Group Ag4.31%5,157,290$31.10MInstitution

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ANNX vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ANNX82.99%17.01%Net BuyingNet Selling
MDXG46.84%53.16%Net BuyingNet Buying
TECX26.30%73.70%Net BuyingNet Buying
LBRX76.06%23.94%Net Buying
PRME45.83%54.17%Net Buying
View Top Biotech Stocks

Annexon Stock Ownership FAQ

Who owns Annexon?

Annexon (NASDAQ: ANNX) is owned by 114.44% institutional shareholders, 23.46% Annexon insiders, and 0.00% retail investors. Bain Capital Life Sciences Investors LLC is the largest individual Annexon shareholder, owning 11.10M shares representing 9.28% of the company. Bain Capital Life Sciences Investors LLC's Annexon shares are currently valued at $60.40M.

If you're new to stock investing, here's how to buy Annexon stock.
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