WallStreetZenWallStreetZen

NASDAQ: GLSI
Greenwich Lifesciences Inc Stock Ownership - Who owns Greenwich Lifesciences?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Greenwich Lifesciences Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Snehal PatelCEO and CFO2026-01-131,800$29.83
$53.69kBuy
Snehal PatelCEO and CFO2026-01-122,900$27.54
$79.87kBuy
Snehal PatelCEO and CFO2025-12-314,300$21.36
$91.85kBuy
Snehal PatelCEO and CFO2025-12-302,900$21.73
$63.02kBuy
Snehal PatelCEO and CFO2025-12-184,100$12.62
$51.74kBuy
Snehal PatelCEO and CFO2025-11-254,600$8.37
$38.50kBuy
Snehal PatelCEO and CFO2025-11-0710,600$8.43
$89.36kBuy
Snehal PatelCEO and CFO2025-10-312,300$9.26
$21.30kBuy
Snehal PatelCEO and CFO2025-04-253,600$9.88
$35.57kBuy
Snehal PatelCEO and CFO2025-04-175,400$8.98
$48.49kBuy

1 of 2

GLSI insiders have bought more... subscribe to Premium to read more.
Net Insider Buy/Sell (L12M) Ownership

Be the first to know when GLSI insiders and whales buy or sell their stock.

GLSI Shareholders

What type of owners hold Greenwich Lifesciences Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Snehal Patel69.63%9,646,578$323.79MInsider
Kinnary Patel9.60%1,329,590$44.63MInsider
Kenneth Hallock5.73%794,308$26.66MInsider
David McWilliams4.48%620,301$20.82MInsider
Blackrock Inc2.62%363,299$12.19MInstitution
Eric Rothe2.26%313,226$10.51MInsider
Vanguard Group Inc2.04%282,181$9.47MInstitution
Jaye Thompson1.91%264,148$8.87MInsider
Geode Capital Management LLC1.03%142,116$4.77MInstitution
Frank Joseph Daugherty0.65%90,121$3.02MInsider

1 of 3

GLSI vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
GLSI8.51%91.49%Net BuyingNet Buying
ZURA43.30%56.70%
RCKT50.64%49.36%Net SellingNet Selling
AUTL54.35%0.00%
AKBA46.61%7.64%Net Selling
View Top Biotech Stocks

Greenwich Lifesciences Stock Ownership FAQ

Who owns Greenwich Lifesciences?

Greenwich Lifesciences (NASDAQ: GLSI) is owned by 8.76% institutional shareholders, 94.25% Greenwich Lifesciences insiders, and 0.00% retail investors. Snehal Patel is the largest individual Greenwich Lifesciences shareholder, owning 9.65M shares representing 69.63% of the company. Snehal Patel's Greenwich Lifesciences shares are currently valued at $275.80M.

If you're new to stock investing, here's how to buy Greenwich Lifesciences stock.
©2026 WallStreetZen
Company
AboutNewsBlogStock Investing FAQPlansPrivacy PolicyTerms of ServiceCancellation & RefundsPerformanceHelp GuidesContactTwitterYouTubeNewsletter
Stock Tools
Top Performing AnalystsStock ScreenerStock ForecastTrending StocksStrong Buy StocksHighest Earnings StocksBest Dividend Paying StocksStatisticsStock Market SectorsStock Market IndustriesHow to Buy Stocks Online
Stock Ideas
Buy The DipBiggest Stock Gainers TodayBiggest Stock Losers Today52 Week High Stocks52 Week Low StocksMost Active Stocks TodayMost Undervalued StocksBest Penny Stocks to Buy NowBest Stocks Under $5Best Stocks Under $10
WallStreetZen does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.

Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.