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NASDAQ: ANAB
Anaptysbio Inc Stock Ownership - Who owns Anaptysbio?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Anaptysbio Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Eric J. LoumeauCHIEF LEGAL OFFICER2026-02-1110,000$54.00
$540.00kSell
Eric J. LoumeauCHIEF LEGAL OFFICER2026-02-1110,000$29.70
$297.00kBuy
Magda MarquetDirector2026-01-151,710$48.85
$83.53kSell
Magda MarquetDirector2026-01-159,290$48.12
$447.00kSell
Magda MarquetDirector2026-01-1511,000$26.11
$287.21kBuy
Paul F. LizzulChief Medical Officer2026-01-083,650$44.71
$163.19kSell
Eric J. LoumeauCHIEF LEGAL OFFICER2026-01-082,210$44.71
$98.81kSell
Dennis MulroyCHIEF FINANCIAL OFFICER2026-01-082,515$44.71
$112.45kSell
Daniel FagaPresident CEO2026-01-0814,281$44.71
$638.50kSell
Eric J. LoumeauCHIEF LEGAL OFFICER2026-01-071,841$46.13
$84.93kSell

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Net Insider Buy/Sell (L12M) Ownership

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ANAB Shareholders

What type of owners hold Anaptysbio Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Ecor1 Capital LLC93.95%27,008,838$1.75BInsider
Ecor1 Capital LLC27.41%7,880,094$510.71MInstitution
Oleg Nodelman24.88%7,151,624$463.50MInsider
Avalon Ventures VII L P7.09%2,036,932$132.01MInsider
Holdings A. Novo6.74%1,936,604$125.51MInsider
Point72 Asset Management LP6.72%1,932,890$125.27MInstitution
Blackrock Inc6.03%1,734,430$112.41MInstitution
Vanguard Group Inc5.37%1,544,037$100.07MInstitution
Tang Capital Management LLC4.63%1,332,087$86.33MInstitution
Frazier Healthcare VII LP4.47%1,284,903$83.27MInsider

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ANAB vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ANAB40.80%59.20%Net SellingNet Selling
OCUL83.71%16.29%Net SellingNet Selling
MESO0.32%0.00%
DFTX59.81%40.19%Net SellingNet Selling
AUPH54.35%13.23%Net BuyingNet Buying
View Top Biotech Stocks

Anaptysbio Stock Ownership FAQ

Who owns Anaptysbio?

Anaptysbio (NASDAQ: ANAB) is owned by 102.11% institutional shareholders, 148.16% Anaptysbio insiders, and 0.00% retail investors. Ecor1 Capital LLC is the largest individual Anaptysbio shareholder, owning 27.01M shares representing 93.95% of the company. Ecor1 Capital LLC's Anaptysbio shares are currently valued at $1.75B.

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