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