Greenwich LifesciencesGLSI
13F holders, Q3 2025 (September 30)At the end of Q3 2025, 51 institutions reported holding Greenwich Lifesciences Inc. (GLSI) in their 13F filings, unchanged from Q2 2025. 5 opened new positions and 5 sold out. The largest holders were BlackRock, Inc. ($3.6M), Vanguard Group Inc. ($2.8M) and Geode Capital Management, LLC ($1.4M). 3 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Ken Griffin (0.0% of Citadel Advisors's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Greenwich Lifesciences Inc.
- CUSIP
- 396879108
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 5 | $216K |
| Exits | 5 | $164K |
All 13F filers, Q2 2025 → Q3 2025: 64,614 shares bought and 82,103 shares sold, net −17,489 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 51 holders
| BlackRock, Inc. | 0.00% | Reduce -1.1% | 363,299 | $3.6M |
| Vanguard Group Inc. | 0.00% | Add +4.9% | 282,181 | $2.8M |
| Geode Capital Management, LLC | 0.00% | Add +2.3% | 142,116 | $1.4M |
| State Street Corp. | 0.00% | Reduce -0.4% | 81,946 | $815K |
| Northern Trust Corp. | 0.00% | Reduce -8.3% | 75,905 | $755K |
| Renaissance Technologies | 0.00% | Add +40.7% | 38,400 | $382K |
| Marshall Wace, LLP | 0.00% | Reduce -42.9% | 32,051 | $319K |
| Deutsche Bank AG | 0.00% | New | 21,502 | $214K |
| Citadel Advisors | 0.00% | Add +52.1% | 20,942 | $208K |
| STRS Ohio | 0.00% | No change | 20,000 | $199K |
| Goldman Sachs Group Inc. | 0.00% | Add +20.3% | 19,845 | $197K |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -0.3% | 19,002 | $189K |
| Millennium Management | 0.00% | Reduce -54.7% | 15,498 | $154K |
| Bank of New York Mellon Corp | 0.00% | Add +3.6% | 15,128 | $151K |
| Rhumbline Advisers | 0.00% | Add +2.1% | 9,167 | $91K |
| Morgan Stanley | 0.00% | Reduce -25.9% | 8,721 | $87K |
| Barclays PLC | 0.00% | Reduce -17.6% | 8,714 | $87K |
| New York State Common Retirement Fund | 0.00% | No change | 6,000 | $60K |
| Bank of America Corp. | 0.00% | Reduce -6.9% | 4,877 | $49K |
| UBS Group AG | 0.00% | Add +122.5% | 4,106 | $41K |
| Wells Fargo & Company | 0.00% | Add +18.8% | 3,743 | $37K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -14.5% | 2,976 | $30K |
| FMR LLC | 0.00% | Reduce -5.8% | 2,864 | $28K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 2,768 | $28K |
| JPMorgan Chase & Co. | 0.00% | Reduce -11.8% | 2,541 | $25K |
| NFSG Corp | 0.00% | No change | 2,100 | $21K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -60.9% | 1,277 | $13K |
| Royal Bank of Canada | 0.00% | Add +90.3% | 1,231 | $12K |
| BNP Paribas Financial Markets | 0.00% | Add +77.8% | 1,138 | $11K |
| Legal & General Group Plc | 0.00% | No change | 662 | $7K |
| Russell Investments Group, Ltd. | 0.00% | Add +67.3% | 649 | $6K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 585 | $6K |
| Founders Capital Management | 0.00% | No change | 500 | $5K |
| California State Teachers Retirement System | 0.00% | Add +0.2% | 434 | $4K |
| Citigroup Inc. | 0.00% | Reduce -87.8% | 265 | $3K |
| Amalgamated Bank | 0.00% | No change | 207 | $2K |
| Washington Trust Advisors, Inc. | 0.00% | No change | 200 | $2K |
| Arax Advisory Partners | 0.00% | New | 123 | $1K |
| Cwm, LLC | 0.00% | Add +1.7% | 60 | $1K |
| Optiver Holding B.V. | 0.00% | New | 96 | $955 |
| Geneos Wealth Management Inc. | 0.00% | No change | 88 | $876 |
| North Star Investment Management Corp. | 0.00% | No change | 51 | $507 |
| Hopwood Financial Services, Inc. | 0.00% | No change | 50 | $498 |
| Global Retirement Partners, LLC | 0.00% | No change | 45 | $448 |
| EverSource Wealth Advisors, LLC | 0.00% | No change | 32 | $318 |
| SBI Securities Co., Ltd. | 0.00% | No change | 30 | $299 |
| PNC Financial Services Group, Inc. | 0.00% | New | 29 | $289 |
| Nisa Investment Advisors, LLC | 0.00% | No change | 27 | $269 |
| Sterling Capital Management LLC | 0.00% | Add +7.1% | 15 | $149 |
| Osaic Holdings, Inc. | 0.00% | Add +20.0% | 6 | $61 |
| Sunbelt Securities, Inc. | 0.00% | New | 5 | $50 |
"% of holder's portfolio" is GLSI's weight in each manager's 13F, not the share of Greenwich Lifesciences Inc. the manager owns.