Greenwich LifesciencesGLSI

13F holders, Q2 2026 (June 30)
57holders −7
6new positions
11sold out
$23.45avg. 13F price*

At the end of Q2 2026, 57 institutions reported holding Greenwich Lifesciences Inc. (GLSI) in their 13F filings, down 7 from Q1 2026. 6 opened new positions and 11 sold out. The largest holders were BlackRock, Inc. ($11.4M), Vanguard Capital Management LLC ($6.5M) and Geode Capital Management, LLC ($3.9M).

Company
Greenwich Lifesciences Inc.
CUSIP
396879108
Latest filing quarter
Q2 2026

History

Number of 13F holders

020406080 Q1 2024: 31Q1 2024Q2 2024: 34Q2 2024Q3 2024: 39Q3 2024Q4 2024: 42Q4 2024Q1 2025: 46Q1 2025Q2 2025: 51Q2 2025Q3 2025: 51Q3 2025Q4 2025: 50Q4 2025Q1 2026: 64Q1 2026Q2 2026: 57Q2 2026

Total Exit/New Position Q1 2026 → Q2 2026

InstitutionsTotal Value
New Positions6$1.8M
Exits11$4.4M

All 13F filers, Q1 2026 → Q2 2026: 211,590 shares bought and 237,507 shares sold, net −25,917 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 57 holders

BlackRock, Inc. 0.00% Add +12.0% 485,854 $11.4M
Vanguard Capital Management LLC 0.00% Reduce -6.7% 278,190 $6.5M
Geode Capital Management, LLC 0.00% Add +8.2% 168,179 $3.9M
State Street Corp. 0.00% Add +6.9% 143,086 $3.4M
Vanguard Portfolio Management LLC 0.00% Add +37.3% 80,861 $1.9M
Northern Trust Corp. 0.00% Add +6.8% 80,228 $1.9M
Bank of New York Mellon Corp 0.00% Add +3.0% 47,900 $1.1M
Vanguard Fiduciary Trust Co. 0.00% Add +2.4% 45,965 $1.1M
Morgan Stanley 0.00% Add +45.7% 43,447 $1.0M
Goldman Sachs Group Inc. 0.00% Reduce -0.5% 39,329 $923K
Russell Investments Group, Ltd. 0.00% Reduce -13.5% 34,353 $806K
Jane Street Group, LLC 0.00% New 27,694 $650K
UBS Group AG 0.00% Add +10.9% 23,409 $549K
State of Wisconsin Investment Board 0.00% Add +11.3% 22,639 $531K
Gsa Capital Partners LLP 0.03% New 19,543 $458K
Massachusetts Financial Services Co. 0.00% New 17,922 $420K
STRS Ohio 0.00% Add +29.9% 17,800 $418K
Charles Schwab Investment Management Inc. 0.00% Add +3.0% 17,098 $401K
Vanguard Global Advisers, LLC 0.00% Add +14.9% 11,871 $278K
Ancora Advisors LLC 0.00% Reduce -71.4% 10,740 $252K
Stifel Financial Corp. 0.00% New 10,023 $235K
Raymond James Financial Inc. 0.00% Reduce -7.1% 9,137 $214K
Rhumbline Advisers 0.00% Add +4.2% 8,387 $197K
Wells Fargo & Company 0.00% Add +151.8% 6,144 $144K
Deutsche Bank AG 0.00% Add +3.7% 5,351 $126K
FMR LLC 0.00% Reduce -2.7% 3,996 $94K
Citigroup Inc. 0.00% Add +838.8% 3,192 $75K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Reduce -1.0% 3,102 $73K
JPMorgan Chase & Co. 0.00% Add +11.6% 2,906 $68K
Jones Financial Companies LLLP 0.00% Add +6.3% 3,400 $67K
Police & Firemen's Retirement System of New Jersey 0.00% No change 2,768 $65K
NFSG Corp 0.01% No change 2,100 $49K
Tower Research Capital LLC (TRC) 0.00% Add +26.1% 1,791 $42K
BNP Paribas Financial Markets 0.00% Reduce -7.8% 1,597 $37K
Farther Finance Advisors, LLC 0.00% Reduce -1.4% 1,300 $30K
New York State Common Retirement Fund 0.00% No change 1,200 $28K
Barclays PLC 0.00% Reduce -26.7% 850 $20K
Legal & General Group Plc 0.00% Add +52.9% 789 $19K
Nisa Investment Advisors, LLC 0.00% Reduce -35.4% 775 $18K
Ameritas Investment Partners, Inc. 0.00% No change 585 $14K
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% No change 521 $12K
Royal Bank of Canada 0.00% Add +5750.0% 351 $8K
Washington Trust Advisors, Inc. 0.00% No change 200 $5K
Optiver Holding B.V. 0.00% No change 96 $2K
California State Teachers Retirement System 0.00% Reduce -73.5% 90 $2K
Geneos Wealth Management Inc. 0.00% No change 88 $2K
GAMMA Investing LLC 0.00% Add +114.8% 58 $1K
North Star Investment Management Corp. 0.00% No change 51 $1K
Arax Advisory Partners 0.00% Add +2600.0% 27 $633
Sterling Capital Management LLC 0.00% Reduce -40.0% 24 $563
National Bank of Canada 0.00% New 14 $328
Federation des caisses Desjardins du Quebec 0.00% No change 13 $305
Allworth Financial LP 0.00% No change 12 $282
SJS Investment Consulting Inc. 0.00% New 11 $259
CVA Family Office, LLC 0.00% No change 10 $235
PNC Financial Services Group, Inc. 0.00% Reduce -50.0% 5 $117
EverSource Wealth Advisors, LLC 0.00% Reduce -37.5% 5 $117

"% of holder's portfolio" is GLSI's weight in each manager's 13F, not the share of Greenwich Lifesciences Inc. the manager owns.