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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
Muneer A. SatterDirector2026-05-28613,497$5.41
$3.32MBuy
William H. CarsonDirector2026-05-118,000$5.78
$46.24kBuy
William H. CarsonDirector2026-04-108,000$6.20
$49.60kBuy
William H. CarsonDirector2026-03-108,000$5.67
$45.36kBuy
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
Ted YednockEVP CHIEF INNOVATION OFFICER2026-03-025,566$5.42
$30.17kSell
Dean Richard ArtisEVP CHIEF SCIENTIFIC OFFICER2026-03-025,894$5.43
$32.00kSell
Dean Richard ArtisEVP CHIEF SCIENTIFIC OFFICER2026-02-185,290$5.10
$26.98kSell

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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
Redmile Group LLC8.88%14,549,768$75.66MInstitution
Bain Capital Life Sciences Investors LLC6.78%11,103,852$57.74MInsider
Blackrock Inc6.68%10,938,509$56.88MInstitution
Fmr LLC6.49%10,635,648$55.31MInstitution
Muneer A. Satter6.31%10,342,134$53.78MInsider
Bvf Inc5.31%8,698,173$45.23MInstitution
State Street Corp4.22%6,919,255$35.98MInstitution
Vanguard Capital Management LLC3.64%5,956,589$30.97MInstitution
Bain Capital Life Sciences Investors LLC3.18%5,212,674$27.11MInstitution
Bellevue Group Ag3.15%5,157,290$26.82MInstitution

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ANNX vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ANNX84.46%15.54%Net BuyingNet Buying
KURA90.08%9.92%Net SellingNet Buying
ORIC84.79%15.21%Net Selling
PHAT67.39%32.61%Net SellingNet Buying
SANA53.53%46.47%Net Selling
View Top Biotech Stocks

Annexon Stock Ownership FAQ

Who owns Annexon?

Annexon (NASDAQ: ANNX) is owned by 95.18% institutional shareholders, 17.51% Annexon insiders, and 0.00% retail investors. Bain Capital Life Sciences Investors LLC is the largest individual Annexon shareholder, owning 11.10M shares representing 6.78% of the company. Bain Capital Life Sciences Investors LLC's Annexon shares are currently valued at $52.41M.

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