What does CUSIP 396879108 represent in this 13F holders report?

CUSIP 396879108 is the security identifier for GLSI - Greenwich LifeSciences, Inc. - COM used to aggregate holder disclosures.

How many institutions held GLSI - Greenwich LifeSciences, Inc. - COM in Q1 2026?

61 institutional investors reported GLSI - Greenwich LifeSciences, Inc. - COM for Q1 2026. Use the holders table for investor-level position and value details.

Greenwich LifeSciences, Inc. - COM (GLSI)

CUSIP: 396879108

Q1 2026 13F Holders as of 31 Mar 2026

Type / Class: Equity / COM
Total 13F shares: 1,712,706
Share change: +277,549
Total reported value: $41,126,775
Price per share: $24.02
Number of holders: 61
Value change: +$7,196,223
Number of buys: 37
Number of sells: 18

Quarterly Holders Quick Answers

What is CUSIP 396879108?
CUSIP 396879108 identifies GLSI - Greenwich LifeSciences, Inc. - COM in SEC institutional holdings data.

Need full ownership history?
Open the full security ownership history page.

Next holder-history checks

These links keep the next click tied to holder verification, nearby quarters, or outside-13F ownership context.

Back to full security ownership history for the broader multi-quarter picture.
Latest 13F filings for newly reported positions across managers.
Latest Schedule 13D/13G reports for ownership changes outside the 13F cadence.
SEC investors directory for manager drilldown.

Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Previous quarter: Q4 2025

Recent filing periods for CUSIP 396879108:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of GLSI - Greenwich LifeSciences, Inc. - COM (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
Snehal Patel	3/4/5	CEO and CFO, Director, 10%+ Owner	— mixed-class rows	7,951,564 mixed-class rows	$63,158,229	+$355,765	13 Jan 2026	3/4/5
BlackRock, Inc.	13F	Company	— class O/S missing	371,464	$7,804,458	—	31 Dec 2025	13F
VANGUARD GROUP INC	13F	Company	— class O/S missing	296,624	$6,232,071	—	31 Dec 2025	13F
Jaye Thompson	3/4/5	VP Clinical Reg Affairs	— mixed-class rows	563,784 mixed-class rows	$3,410,151	—	24 Dec 2024	3/4/5
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	— class O/S missing	151,684	$3,187,185	—	31 Dec 2025	13F
STATE STREET CORP	13F	Company	— class O/S missing	97,777	$2,054,295	—	31 Dec 2025	13F
CREDIT AGRICOLE S A	13F	Individual	— class O/S missing	87,000	$1,827,870	—	31 Dec 2025	13F
NORTHERN TRUST CORP	13F	Company	— class O/S missing	73,009	$1,533,920	—	31 Dec 2025	13F
Virtu Financial LLC	13F	Company	— class O/S missing	28,797	$605,000	—	31 Dec 2025	13F
Man Group plc	13F	Company	— class O/S missing	28,068	$589,709	—	31 Dec 2025	13F
MORGAN STANLEY	13F	Company	— class O/S missing	26,379	$554,223	—	31 Dec 2025	13F
GOLDMAN SACHS GROUP INC	13F	Company	— class O/S missing	21,545	$452,660	—	31 Dec 2025	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	— class O/S missing	19,041	$400,051	—	31 Dec 2025	13F
Bank of New York Mellon Corp	13F	Company	— class O/S missing	13,866	$291,325	—	31 Dec 2025	13F
CITADEL ADVISORS LLC	13F	Company	— class O/S missing	11,830	$248,548	—	31 Dec 2025	13F
XTX Topco Ltd	13F	Company	— class O/S missing	10,325	$216,928	—	31 Dec 2025	13F
BARCLAYS PLC	13F	Company	— class O/S missing	9,744	$204,721	—	31 Dec 2025	13F
JANE STREET GROUP, LLC	13F	Company	— class O/S missing	9,677	$203,313	—	31 Dec 2025	13F
RHUMBLINE ADVISERS	13F	Company	— class O/S missing	8,086	$169,882	—	31 Dec 2025	13F
WELLS FARGO & COMPANY/MN	13F	Company	— class O/S missing	7,845	$164,823	—	31 Dec 2025	13F
BANK OF AMERICA CORP /DE/	13F	Company	— class O/S missing	7,187	$150,999	—	31 Dec 2025	13F
UBS Group AG	13F	Company	— class O/S missing	6,080	$127,741	—	31 Dec 2025	13F
DEUTSCHE BANK AG\	13F	Company	— class O/S missing	6,051	$127,132	—	31 Dec 2025	13F
NEW YORK STATE COMMON RETIREMENT FUND	13F	Company	— class O/S missing	6,000	$126,060	—	31 Dec 2025	13F
STRS OHIO	13F	Company	— class O/S missing	5,700	$119,757	—	31 Dec 2025	13F
FMR LLC	13F	Company	— class O/S missing	4,001	$84,061	—	31 Dec 2025	13F
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	13F	Company	— class O/S missing	3,064	$64,375	—	31 Dec 2025	13F
Police & Firemen's Retirement System of New Jersey	13F	Company	— class O/S missing	2,768	$58,156	—	31 Dec 2025	13F
JPMORGAN CHASE & CO	13F	Company	— class O/S missing	2,677	$56,244	—	31 Dec 2025	13F
Newbridge Financial Services Group, Inc.	13F	Company	— class O/S missing	2,100	$44,121	—	31 Dec 2025	13F
BNP PARIBAS FINANCIAL MARKETS	13F	Company	— class O/S missing	1,840	$38,658	—	31 Dec 2025	13F
Tower Research Capital LLC (TRC)	13F	Company	— class O/S missing	1,156	$24,288	—	31 Dec 2025	13F
ROYAL BANK OF CANADA	13F	Company	— class O/S missing	998	$20,000	—	31 Dec 2025	13F
Farther Finance Advisors, LLC	13F	Company	— class O/S missing	919	$19,308	—	31 Dec 2025	13F
Ameritas Investment Partners, Inc.	13F	Company	— class O/S missing	585	$12,291	—	31 Dec 2025	13F
Legal & General Group Plc	13F	Company	— class O/S missing	581	$12,207	—	31 Dec 2025	13F
Russell Investments Group, Ltd.	13F	Company	— class O/S missing	560	$11,766	—	31 Dec 2025	13F
Founders Capital Management	13F	Company	— class O/S missing	500	$10,505	—	31 Dec 2025	13F
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM	13F	Company	— class O/S missing	385	$8,089	—	31 Dec 2025	13F
CITIGROUP INC	13F	Company	— class O/S missing	227	$4,769	—	31 Dec 2025	13F
Washington Trust Advisors, Inc.	13F	Company	— class O/S missing	200	$4,202	—	31 Dec 2025	13F
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	13F	Company	— class O/S missing	193	$4,055	—	31 Dec 2025	13F
AMALGAMATED BANK	13F	Company	— class O/S missing	197	$4,000	—	31 Dec 2025	13F
Optiver Holding B.V.	13F	Company	— class O/S missing	96	$2,017	—	31 Dec 2025	13F
Geneos Wealth Management Inc.	13F	Company	— class O/S missing	88	$1,849	—	31 Dec 2025	13F
North Star Investment Management Corp.	13F	Company	— class O/S missing	51	$1,072	—	31 Dec 2025	13F
Sterling Capital Management LLC	13F	Company	— class O/S missing	40	$840	—	31 Dec 2025	13F
PNC FINANCIAL SERVICES GROUP, INC.	13F	Company	— class O/S missing	17	$357	—	31 Dec 2025	13F
OSAIC HOLDINGS, INC.	13F	Company	— class O/S missing	6	$126	—	31 Dec 2025	13F
EverSource Wealth Advisors, LLC	13F	Company	— class O/S missing	5	$105	—	31 Dec 2025	13F

Institutional Holders of Greenwich LifeSciences, Inc. - COM (GLSI) as of Q1 2026

As of 31 Mar 2026, Greenwich LifeSciences, Inc. - COM (GLSI) was held by 61 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 1,712,706 shares. The largest 10 holders included BlackRock, Inc., VANGUARD CAPITAL MANAGEMENT LLC, GEODE CAPITAL MANAGEMENT, LLC, STATE STREET CORP, Nuveen, LLC, NORTHERN TRUST CORP, VANGUARD PORTFOLIO MANAGEMENT LLC, Bank of New York Mellon Corp, VANGUARD FIDUCIARY TRUST CO, and Russell Investments Group, Ltd.. This page lists 61 institutional shareholders reporting positions in this security for the Q1 2026 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q1 2026 vs Q4 2025 Across Filers

Q4 2025 holders

Q1 2026 holders

Holder diff

Investor	Q4 2025 Shares	Q1 2026 Shares	Share Diff	Share Chg %	Q4 2025 Value $	Q1 2026 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.