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NASDAQ: SLS
Sellas Life Sciences Group Inc Stock Ownership - Who owns Sellas Life Sciences Group?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Sellas Life Sciences Group Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
John Thomas BurnsCFO2025-12-0358,592$1.50
$87.89kSell
Dragan CicicSVP Chief Development Officer2025-12-0363,800$1.50
$95.70kSell
Angelos M. StergiouPresident and CEO2025-12-03187,066$1.50
$280.60kSell
Katherine Bach KalinDirector2025-11-1963,400$1.59
$100.81kBuy
Nostrand Robert L. VanDirector2025-06-1210,000$1.48
$14.80kBuy
Jane WasmanDirector2025-05-3020,000$1.69
$33.80kBuy
Katherine Bach KalinDirector2025-05-2220,000$1.80
$36.00kBuy

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Net Insider Buy/Sell (L12M) Ownership

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SLS Shareholders

What type of owners hold Sellas Life Sciences Group Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Vanguard Group Inc4.72%8,467,400$41.32MInstitution
Blackrock Inc4.20%7,541,054$36.80MInstitution
Hudson Bay Capital Management LP2.45%4,400,000$21.47MInsider
Geode Capital Management LLC1.71%3,077,337$15.02MInstitution
State Street Corp1.22%2,188,171$10.68MInstitution
Millennium Management LLC0.77%1,387,849$6.77MInstitution
Marshall Wace LLP0.75%1,340,668$6.54MInstitution
Robert Eugene Kennedy0.63%1,130,300$5.52MInsider
Two Sigma Investments LP0.60%1,082,207$5.28MInstitution
Nuveen LLC0.57%1,023,961$5.00MInstitution

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SLS vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
SLS19.73%5.19%Net Selling
MNKD36.56%63.44%Net SellingNet Buying
XNCR71.97%28.03%Net SellingNet Selling
JANX62.03%37.97%Net Selling
TBPH53.54%46.46%Net SellingNet Selling
View Top Biotech Stocks

Sellas Life Sciences Group Stock Ownership FAQ

Who owns Sellas Life Sciences Group?

Sellas Life Sciences Group (NASDAQ: SLS) is owned by 19.73% institutional shareholders, 5.19% Sellas Life Sciences Group insiders, and 75.08% retail investors. Hudson Bay Capital Management LP is the largest individual Sellas Life Sciences Group shareholder, owning 4.40M shares representing 2.45% of the company. Hudson Bay Capital Management LP's Sellas Life Sciences Group shares are currently valued at $20.55M.

If you're new to stock investing, here's how to buy Sellas Life Sciences Group stock.
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