NASDAQ: SLRN
Acelyrin Inc Stock Ownership - Who owns Acelyrin?

Insider buying vs selling

Have Acelyrin Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Mina KimChief Executive Officer2025-03-1717,986$2.74
$49.35kSell
Shephard MpofuChief Medical Officer2025-03-173,211$2.74
$8.81kSell
Amar MuruganChief Legal Officer2025-03-173,913$2.74
$10.74kSell
Daniel J. BeckerDirector2024-07-171$6.86
$6.86Sell
Sanam PangaliCLO Head of People2024-05-15921$4.47
$4.12kSell
Melanie GloriaChief Operating Officer2024-05-1510,298$4.47
$46.03kSell
Mina KimChief Executive Officer2024-05-1510,230$4.47
$45.73kSell

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Net Insider Buy/Sell (L12M) Ownership

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SLRN Shareholders

What type of owners hold Acelyrin Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
T Rowe Price Investment Management Inc12.78%12,872,124$29.35MInstitution
Beth C. Seidenberg9.78%9,850,729$22.46MInsider
Westlake Biopartners Fund II LP9.72%9,790,729$22.32MInsider
Ayurmaya Capital Management Company LP9.27%9,334,735$21.28MInsider
Ayurmaya Capital Management Company LP9.27%9,334,735$21.28MInstitution
Blackrock Inc5.98%6,020,868$13.73MInstitution
Millennium Management LLC4.68%4,714,402$10.75MInstitution
Citadel Advisors LLC4.18%4,211,916$9.60MInstitution
Vanguard Group Inc4.05%4,080,010$9.30MInstitution
Orbimed Advisors LLC3.97%4,001,711$9.12MInstitution

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SLRN vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
SLRN73.25%26.75%Net SellingNet Selling
FHTX72.36%14.35%Net Selling
THRD66.17%33.83%Net Selling
DBVT2.00%18.82%Net SellingNet Selling
CDTX34.46%65.54%Net BuyingNet Selling

Acelyrin Stock Ownership FAQ

Who owns Acelyrin?

Acelyrin (NASDAQ: SLRN) is owned by 87.31% institutional shareholders, 31.89% Acelyrin insiders, and 0.00% retail investors. Beth C. Seidenberg is the largest individual Acelyrin shareholder, owning 9.85M shares representing 9.78% of the company. Beth C. Seidenberg's Acelyrin shares are currently valued at $23.05M.

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