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, Q4 2025
Institutional positions in Greenwich LifeSciences, Inc. as of Dec 31, 2025. 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
- 50
- −1 vs. Q3 2025
- Shares held
- 1.33M
- +112.9K (+9.3%) vs. Q3 2025
- Total value
- $27.9M
- +$15.8M (+130.8%) vs. Q3 2025
- New holders
- 7
- 16 more added
- Sold out
- 8
- 17 more reduced
Compare with Q3 2025: 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 | $17.6M |
| Q1 2024 | 31 | $12.9M |
| Q4 2023 | 27 | $5.64M |
| 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, Q4 2025
Shares, value and share of portfolio for each institution holding Greenwich LifeSciences, Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| CWM, LLC | 18 | $0 | 0.00% | −42−70.0% | Reduced |
| Sunbelt Securities, Inc. | 2 | $42 | 0.00% | −3−60.0% | Reduced |
| EverSource Wealth Advisors, LLC | 5 | $105 | 0.00% | −27−84.4% | Reduced |
| Advisor Group Holdings, Inc. | 6 | $126 | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 17 | $357 | 0.00% | −12−41.4% | Reduced |
| Sterling Capital Management LLC | 40 | $840 | 0.00% | +25+166.7% | Added |
| North Star Investment Management Corp. | 51 | $1.07K | 0.00% | 00.0% | Unchanged |
| Geneos Wealth Management Inc. | 88 | $1.85K | 0.00% | 00.0% | Unchanged |
| Optiver Holding B.V. | 96 | $2.02K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 197 | $4.00K | 0.00% | −10−4.8% | Reduced |
| UBS Asset Management Americas Inc | 193 | $4.05K | 0.00% | +193 | New |
| Washington Trust Advisors, Inc. | 200 | $4.20K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 227 | $4.77K | 0.00% | −38−14.3% | Reduced |
| California State Teachers Retirement System | 385 | $8.09K | 0.00% | −49−11.3% | Reduced |
| Founders Capital Management | 500 | $10.5K | 0.01% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 560 | $11.8K | 0.00% | −89−13.7% | Reduced |
| Legal & General Group Plc | 581 | $12.2K | 0.00% | −81−12.2% | Reduced |
| Ameritas Investment Partners, Inc. | 585 | $12.3K | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 919 | $19.3K | 0.00% | +919 | New |
| Royal Bank of Canada | 998 | $20.0K | 0.00% | −233−18.9% | Reduced |
| Tower Research Capital LLC (TRC) | 1,156 | $24.3K | 0.00% | −121−9.5% | Reduced |
| BNP Paribas Arbitrage, SA | 1,840 | $38.7K | 0.00% | +702+61.7% | Added |
| Newbridge Financial Services Group, Inc. | 2,100 | $44.1K | 0.01% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 2,677 | $56.2K | 0.00% | +136+5.4% | Added |
| Police & Firemen's Retirement System of New Jersey | 2,768 | $58.2K | 0.00% | 00.0% | Unchanged |
| Mirae Asset Global ETFs Holdings Ltd. | 3,064 | $64.4K | 0.00% | +88+3.0% | Added |
| FMR LLC | 4,001 | $84.1K | 0.00% | +1,137+39.7% | Added |
| STRS Ohio | 5,700 | $119.8K | 0.00% | −14,300−71.5% | Reduced |
| New York State Common Retirement Fund | 6,000 | $126.1K | 0.00% | 00.0% | Unchanged |
| Deutsche Bank AG | 6,051 | $127.1K | 0.00% | −15,451−71.9% | Reduced |
| UBS Group AG | 6,080 | $127.7K | 0.00% | +1,974+48.1% | Added |
| Bank of America Corp | 7,187 | $151.0K | 0.00% | +2,310+47.4% | Added |
| Wells Fargo & Company | 7,845 | $164.8K | 0.00% | +4,102+109.6% | Added |
| Rhumbline Advisers | 8,086 | $169.9K | 0.00% | −1,081−11.8% | Reduced |
| Jane Street Group, LLC | 9,677 | $203.3K | 0.00% | +9,677 | New |
| Barclays PLC | 9,744 | $204.7K | 0.00% | +1,030+11.8% | Added |
| XTX Topco Ltd | 10,325 | $216.9K | 0.01% | +10,325 | New |
| Citadel Advisors LLC | 11,830 | $248.5K | 0.00% | −9,112−43.5% | Reduced |
| Bank of New York Mellon Corp | 13,866 | $291.3K | 0.00% | −1,262−8.3% | Reduced |
| Charles Schwab Investment Management Inc | 19,041 | $400.1K | 0.00% | +39+0.2% | Added |
| Goldman Sachs Group Inc | 21,545 | $452.7K | 0.00% | +1,700+8.6% | Added |
| Morgan Stanley | 26,379 | $554.2K | 0.00% | +17,658+202.5% | Added |
| Man Group plc | 28,068 | $589.7K | 0.00% | +28,068 | New |
| Virtu Financial LLC | 28,797 | $605.0K | 0.02% | +28,797 | New |
| Northern Trust Corp | 73,009 | $1.53M | 0.00% | −2,896−3.8% | Reduced |
| Credit Agricole S A | 87,000 | $1.83M | 0.01% | +87,000 | New |
| State Street Corp | 97,777 | $2.05M | 0.00% | +15,831+19.3% | Added |
| Geode Capital Management, LLC | 151,684 | $3.19M | 0.00% | +9,568+6.7% | Added |
| Vanguard Group Inc | 296,624 | $6.23M | 0.00% | +14,443+5.1% | Added |
| BlackRock, Inc. | 371,464 | $7.80M | 0.00% | +8,165+2.2% | Added |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −38,400−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −32,051−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −15,498−100.0% | Sold out |
| SRS Capital Advisors, Inc. | 0 | $0 | 0.00% | −123−100.0% | Sold out |
| Hopwood Financial Services, Inc. | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| Global Retirement Partners, LLC | 0 | $0 | 0.00% | −45−100.0% | Sold out |
| SBI Securities Co., Ltd. | 0 | $0 | 0.00% | −30−100.0% | Sold out |
| Nisa Investment Advisors, LLC | 0 | $0 | 0.00% | −27−100.0% | Sold out |