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

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Arcellx Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Christopher HeeryCHIEF MEDICAL OFFICER2026-01-145,882$68.51
$403.00kSell
Christopher HeeryCHIEF MEDICAL OFFICER2026-01-137,437$65.51
$487.21kSell
Christopher HeeryCHIEF MEDICAL OFFICER2026-01-126,131$64.15
$393.29kSell
Christopher HeeryCHIEF MEDICAL OFFICER2025-11-17340$90.00
$30.60kSell
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

1 of 4

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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 Inc11.62%6,720,803$463.33MInsider
Gilead Sciences Inc11.62%6,720,803$463.33MInstitution
Sr One Capital Management LLC11.28%6,520,370$449.51MInsider
T Rowe Price Investment Management Inc10.99%6,352,356$437.93MInstitution
Jill Carroll10.97%6,340,738$437.13MInsider
Fmr LLC9.96%5,761,317$397.19MInstitution
Scott D. Sandell8.21%4,748,116$327.34MInsider
Peter W. Sonsini8.21%4,746,083$327.19MInsider
Mohamad Makhzoumi8.21%4,745,545$327.16MInsider
Anthony A. Florence Jr.8.21%4,745,262$327.14MInsider

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ACLX vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ACLX51.32%48.68%Net SellingNet Selling
LEGN22.65%0.00%
ADMA79.67%20.33%Net SellingNet Selling
VKTX63.02%9.09%Net SellingNet Selling
LGND18.29%81.71%Net SellingNet Selling
View Top Biotech Stocks

Arcellx Stock Ownership FAQ

Who owns Arcellx?

Arcellx (NASDAQ: ACLX) is owned by 109.06% institutional shareholders, 103.45% Arcellx insiders, and 0.00% retail investors. Gilead Sciences Inc is the largest individual Arcellx shareholder, owning 6.72M shares representing 11.62% of the company. Gilead Sciences Inc's Arcellx shares are currently valued at $463.33M.

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