NASDAQ: ACLX
Arcellx Inc Stock Ownership - Who owns Arcellx?

Insider buying vs selling

Have Arcellx Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Michelle GilsonCHIEF FINANCIAL OFFICER2025-10-155,364$91.04
$488.32kSell
Michelle GilsonCHIEF FINANCIAL OFFICER2025-10-061,064$86.22
$91.73kSell
Michelle GilsonCHIEF FINANCIAL OFFICER2025-10-034,882$86.00
$419.87kSell
Christopher HeeryCHIEF MEDICAL OFFICER2025-09-301,530$82.20
$125.76kSell
Christopher HeeryCHIEF MEDICAL OFFICER2025-09-305,300$80.55
$426.93kSell
Christopher HeeryCHIEF MEDICAL OFFICER2025-09-3014,204$81.46
$1.16MSell
Christopher HeeryCHIEF MEDICAL OFFICER2025-09-2973$80.16
$5.85kSell
Christopher HeeryCHIEF MEDICAL OFFICER2025-09-2612,396$80.12
$993.16kSell
Christopher HeeryCHIEF MEDICAL OFFICER2025-09-19300$80.00
$24.00kSell
Christopher HeeryCHIEF MEDICAL OFFICER2025-09-183,343$80.01
$267.47kSell

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Net Insider Buy/Sell (L12M) Ownership

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ACLX Shareholders

What type of owners hold Arcellx Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Gilead Sciences Inc12.20%6,720,803$584.64MInsider
Gilead Sciences Inc12.20%6,720,803$584.64MInstitution
Sr One Capital Management LLC11.83%6,520,370$567.21MInsider
Jill Carroll11.51%6,340,738$551.58MInsider
Fmr LLC10.84%5,972,151$519.52MInstitution
Scott D. Sandell8.62%4,748,116$413.04MInsider
Peter W. Sonsini8.61%4,746,083$412.86MInsider
Mohamad Makhzoumi8.61%4,745,545$412.81MInsider
Anthony A. Florence Jr.8.61%4,745,262$412.79MInsider
Forest Baskett8.61%4,745,262$412.79MInsider

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ACLX vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ACLX50.75%49.25%Net SellingNet Selling
PTGX82.97%17.03%Net SellingNet Selling
ARWR76.53%9.95%Net SellingNet Selling
PTCT84.83%15.17%Net SellingNet Selling
AKRO74.85%25.15%Net BuyingNet Buying

Arcellx Stock Ownership FAQ

Who owns Arcellx?

Arcellx (NASDAQ: ACLX) is owned by 111.39% institutional shareholders, 108.10% Arcellx insiders, and 0.00% retail investors. Gilead Sciences Inc is the largest individual Arcellx shareholder, owning 6.72M shares representing 12.20% of the company. Gilead Sciences Inc's Arcellx shares are currently valued at $584.64M.

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