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

Insider buying vs selling

Have Anaptysbio Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Eric J. LoumeauCHIEF LEGAL OFFICER2025-09-305,000$14.02
$70.10kBuy
Eric J. LoumeauCHIEF LEGAL OFFICER2025-09-308,240$29.00
$238.96kSell
Hollings RentonDirector2025-08-087,121$19.70
$140.26kSell
Hollings RentonDirector2025-08-0810,231$6.93
$70.90kBuy
Hollings RentonDirector2025-08-083,110$19.44
$60.46kSell
Hollings RentonDirector2025-07-0213,675$23.82
$325.78kSell
Hollings RentonDirector2025-07-0220,925$6.93
$145.01kBuy
Hollings RentonDirector2025-07-027,250$23.09
$167.41kSell
Hollings RentonDirector2025-06-183,015$23.97
$72.27kSell
Dennis M. FentonDirector2025-06-183,015$23.97
$72.27kSell

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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$1.21BInsider
Ecor1 Capital LLC28.46%7,880,094$354.21MInstitution
Oleg Nodelman25.83%7,151,624$321.47MInsider
Point72 Asset Management LP8.18%2,265,528$101.84MInstitution
Avalon Ventures VII L P7.36%2,036,932$91.56MInsider
Holdings A. Novo6.99%1,936,604$87.05MInsider
Blackrock Inc6.22%1,722,324$77.42MInstitution
Morgan Stanley5.62%1,556,258$69.95MInstitution
Millennium Management LLC5.49%1,519,230$68.29MInstitution
Vanguard Group Inc5.33%1,476,989$66.39MInstitution

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ANAB vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ANAB42.69%57.31%Net BuyingNet Selling
MBX44.24%55.76%Net BuyingNet Buying
KOD69.10%30.90%Net Selling
PGEN27.13%72.87%Net SellingNet Selling
CAPR27.03%72.97%Net Buying

Anaptysbio Stock Ownership FAQ

Who owns Anaptysbio?

Anaptysbio (NASDAQ: ANAB) is owned by 114.42% institutional shareholders, 153.63% 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 $1.24B.

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