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

Insider buying vs selling

Have Anaptysbio Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
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
Dennis MulroyCHIEF FINANCIAL OFFICER2026-01-082,515$44.71
$112.45kSell
Eric J. LoumeauCHIEF LEGAL OFFICER2026-01-082,210$44.71
$98.81kSell
Paul F. LizzulChief Medical Officer2026-01-083,650$44.71
$163.19kSell
Daniel FagaPresident CEO2026-01-0814,281$44.71
$638.50kSell
Paul F. LizzulChief Medical Officer2026-01-072,235$45.11
$100.82kSell
Eric J. LoumeauCHIEF LEGAL OFFICER2026-01-071,841$46.13
$84.93kSell
Eric J. LoumeauCHIEF LEGAL OFFICER2026-01-075,281$45.38
$239.67kSell

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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 LLC97.55%27,008,838$1.29BInsider
Ecor1 Capital LLC28.46%7,880,094$377.06MInstitution
Oleg Nodelman25.83%7,151,624$342.21MInsider
Point72 Asset Management LP8.18%2,265,528$108.41MInstitution
Avalon Ventures VII L P7.36%2,036,932$97.47MInsider
Holdings A. Novo6.99%1,936,604$92.67MInsider
Blackrock Inc6.22%1,722,324$82.41MInstitution
Morgan Stanley5.62%1,556,258$74.47MInstitution
Millennium Management LLC5.49%1,519,230$72.70MInstitution
Vanguard Group Inc5.33%1,476,989$70.67MInstitution

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ANAB vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ANAB42.65%57.35%Net SellingNet Selling
RLAY77.73%22.27%Net SellingNet Selling
GLUE33.20%66.80%Net SellingNet Selling
TRVI41.41%58.59%Net BuyingNet Buying
RAPP75.35%24.65%Net SellingNet Selling

Anaptysbio Stock Ownership FAQ

Who owns Anaptysbio?

Anaptysbio (NASDAQ: ANAB) is owned by 114.42% institutional shareholders, 153.84% Anaptysbio insiders, and 0.00% retail investors. Ecor1 Capital LLC is the largest individual Anaptysbio shareholder, owning 27.01M shares representing 97.55% of the company. Ecor1 Capital LLC's Anaptysbio shares are currently valued at $1.28B.

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