Greenwich LifeSciences, Inc.
GLSI- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001799788
In the last 90 days, Greenwich LifeSciences, Inc. insiders filed 3 open-market purchases and 0 sales; 57 institutions reported holding it in 13F filings for Q2 2026, worth $39.6M in total; no superinvestor holds it.
13F holders, Q2 2026
Institutional positions in Greenwich LifeSciences, Inc. as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 57
- −5 vs. Q1 2026
- Shares held
- 1.69M
- −25.9K (−1.5%) vs. Q1 2026
- Total value
- $39.6M
- −$1.57M (−3.8%) vs. Q1 2026
- New holders
- 6
- 24 more added
- Sold out
- 11
- 15 more reduced
2 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting GLSI on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 57 | $39.6M |
| Q1 2026 | 64 | $41.1M |
| Q4 2025 | 50 | $27.9M |
| Q3 2025 | 51 | $12.1M |
| Q2 2025 | 51 | $11.2M |
| Q1 2025 | 46 | $11.1M |
| Q4 2024 | 42 | $13.3M |
| Q3 2024 | 39 | $16.4M |
| Q2 2024 | 34 | $17.7M |
| Q1 2024 | 31 | $13.2M |
| Q4 2023 | 27 | $5.70M |
| Q3 2023 | 24 | $4.75M |
| Q2 2023 | 23 | $6.06M |
| Q1 2023 | 28 | $11.4M |
| Q4 2022 | 22 | $10.2M |
| Q3 2022 | 21 | $7.21M |
| Q2 2022 | 34 | $8.74M |
| Q1 2022 | 34 | $18.3M |
| Q4 2021 | 35 | $19.4M |
| Q3 2021 | 36 | $31.9M |
| Q2 2021 | 30 | $36.4M |
| Q1 2021 | 19 | $8.90M |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding Greenwich LifeSciences, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 485,854 | $11.4M | 0.00% | +51,994+12.0% | Added |
| Vanguard Capital Management LLC | 278,190 | $6.53M | 0.00% | −20,076−6.7% | Reduced |
| Geode Capital Management, LLC | 168,179 | $3.95M | 0.00% | +12,713+8.2% | Added |
| State Street Corp | 143,086 | $3.36M | 0.00% | +9,211+6.9% | Added |
| Vanguard Portfolio Management LLC | 80,861 | $1.90M | 0.00% | +21,950+37.3% | Added |
| Northern Trust Corp | 80,228 | $1.88M | 0.00% | +5,103+6.8% | Added |
| Bank of New York Mellon Corp | 47,900 | $1.12M | 0.00% | +1,377+3.0% | Added |
| Vanguard Fiduciary Trust Co | 45,965 | $1.08M | 0.00% | +1,057+2.4% | Added |
| Morgan Stanley | 43,447 | $1.02M | 0.00% | +13,620+45.7% | Added |
| Goldman Sachs Group Inc | 39,329 | $922.7K | 0.00% | −192−0.5% | Reduced |
| Russell Investments Group, Ltd. | 34,353 | $805.9K | 0.00% | −5,344−13.5% | Reduced |
| Jane Street Group, LLC | 27,694 | $649.7K | 0.00% | +27,694 | New |
| UBS Group AG | 23,409 | $549.2K | 0.00% | +2,293+10.9% | Added |
| State of Wisconsin Investment Board | 22,639 | $531.1K | 0.00% | +2,300+11.3% | Added |
| Gsa Capital Partners LLP | 19,543 | $458.0K | 0.03% | +19,543 | New |
| Massachusetts Financial Services Co | 17,922 | $420.4K | 0.00% | +17,922 | New |
| STRS Ohio | 17,800 | $417.6K | 0.00% | +4,100+29.9% | Added |
| Charles Schwab Investment Management Inc | 17,098 | $401.1K | 0.00% | +495+3.0% | Added |
| Vanguard Global Advisers, LLC | 11,871 | $278.5K | 0.00% | +1,536+14.9% | Added |
| Ancora Advisors, LLC | 10,740 | $252.0K | 0.00% | −26,760−71.4% | Reduced |
| Stifel Financial Corp | 10,023 | $235.1K | 0.00% | +10,023 | New |
| Raymond James Financial Inc | 9,137 | $214.4K | 0.00% | −700−7.1% | Reduced |
| Rhumbline Advisers | 8,387 | $196.8K | 0.00% | +341+4.2% | Added |
| Wells Fargo & Company | 6,144 | $144.1K | 0.00% | +3,704+151.8% | Added |
| Deutsche Bank AG | 5,351 | $125.5K | 0.00% | +189+3.7% | Added |
| FMR LLC | 3,996 | $93.7K | 0.00% | −111−2.7% | Reduced |
| Citigroup Inc | 3,192 | $74.9K | 0.00% | +2,852+838.8% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 3,102 | $72.8K | 0.00% | −30−1.0% | Reduced |
| JPMorgan Chase & Co | 2,906 | $67.6K | 0.00% | +302+11.6% | Added |
| Jones Financial Companies LLLP | 3,400 | $67.3K | 0.00% | +200+6.3% | Added |
| Police & Firemen's Retirement System of New Jersey | 2,768 | $64.9K | 0.00% | 00.0% | Unchanged |
| Newbridge Financial Services Group, Inc. | 2,100 | $49.3K | 0.01% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 1,791 | $42.0K | 0.00% | +371+26.1% | Added |
| BNP Paribas Arbitrage, SA | 1,597 | $37.5K | 0.00% | −135−7.8% | Reduced |
| Farther Finance Advisors, LLC | 1,300 | $30.5K | 0.00% | −19−1.4% | Reduced |
| New York State Common Retirement Fund | 1,200 | $28.2K | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 850 | $19.9K | 0.00% | −309−26.7% | Reduced |
| Legal & General Group Plc | 789 | $18.5K | 0.00% | +273+52.9% | Added |
| Nisa Investment Advisors, LLC | 775 | $18.2K | 0.00% | −425−35.4% | Reduced |
| Ameritas Investment Partners, Inc. | 585 | $13.7K | 0.00% | 00.0% | Unchanged |
| UBS Asset Management Americas Inc | 521 | $12.2K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 351 | $8.00K | 0.00% | +345+5,750.0% | Added |
| Washington Trust Advisors, Inc. | 200 | $4.69K | 0.00% | 00.0% | Unchanged |
| Optiver Holding B.V. | 96 | $2.25K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 90 | $2.11K | 0.00% | −249−73.5% | Reduced |
| Geneos Wealth Management Inc. | 88 | $2.06K | 0.00% | 00.0% | Unchanged |
| GAMMA Investing LLC | 58 | $1.36K | 0.00% | +31+114.8% | Added |
| North Star Investment Management Corp. | 51 | $1.20K | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 27 | $633 | 0.00% | +26+2,600.0% | Added |
| Sterling Capital Management LLC | 24 | $563 | 0.00% | −16−40.0% | Reduced |
| National Bank of Canada | 14 | $328 | 0.00% | +14 | New |
| Federation des caisses Desjardins du Quebec | 13 | $305 | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 12 | $282 | 0.00% | 00.0% | Unchanged |
| SJS Investment Consulting Inc. | 11 | $259 | 0.00% | +11 | New |
| CVA Family Office, LLC | 10 | $235 | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 5 | $117 | 0.00% | −5−50.0% | Reduced |
| EverSource Wealth Advisors, LLC | 5 | $117 | 0.00% | −3−37.5% | Reduced |
| Nuveen, LLC | 0 | $0 | 0.00% | −88,717−100.0% | Sold out |
| SEI Investments Co | 0 | $0 | 0.00% | −26,088−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −25,658−100.0% | Sold out |
| EAM Investors, LLC | 0 | $0 | 0.00% | −21,430−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −17,398−100.0% | Sold out |
| MetLife Investment Management | 0 | $0 | 0.00% | −3,814−100.0% | Sold out |
| US Bancorp | 0 | $0 | 0.00% | −15−100.0% | Sold out |
| Advisor Group Holdings, Inc. | 0 | $0 | 0.00% | −6−100.0% | Sold out |
| Root Financial Partners, LLC | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| MAI Capital Management | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Rothschild Investment LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| CWM, LLC | – | – | – | – | Not filed |
| Sunbelt Securities, Inc. | – | – | – | – | Not filed |