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.
Q2 2026 vs. Q1 2026
How the institutions holding Greenwich LifeSciences, Inc. changed between Q1 2026 and Q2 2026.
All holders in Q2 2026All holders in Q1 2026
| Measure | Q1 2026 | Of which not filed for Q2 2026 | Q2 2026 | Change |
|---|---|---|---|---|
| Holders | 64 | 2 | 57 | −5 |
| Shares | 1.71M | 54 | 1.69M | −25.9K (−1.5%) |
| Value | $41.1M | $1.30K | $39.6M | −$1.57M (−3.8%) |
2 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so the changes leave them out.
New holders (6)
Institutions that held Greenwich LifeSciences, Inc. at the end of Q2 2026 but not at the end of Q1 2026.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Jane Street Group, LLC | 27,694 | $649.7K | 0.00% |
| Gsa Capital Partners LLP | 19,543 | $458.0K | 0.03% |
| Massachusetts Financial Services Co | 17,922 | $420.4K | 0.00% |
| Stifel Financial Corp | 10,023 | $235.1K | 0.00% |
| National Bank of Canada | 14 | $328 | 0.00% |
| SJS Investment Consulting Inc. | 11 | $259 | 0.00% |
Sold out (11)
Institutions that held Greenwich LifeSciences, Inc. at the end of Q1 2026 and filed for Q2 2026 without it.
| Institution | Shares, Q1 2026 | Value, Q1 2026 |
|---|---|---|
| Nuveen, LLC | 88,717 | $2.13M |
| SEI Investments Co | 26,088 | $626.6K |
| Marshall Wace, LLP | 25,658 | $616.3K |
| EAM Investors, LLC | 21,430 | $514.7K |
| Millennium Management LLC | 17,398 | $417.9K |
| MetLife Investment Management | 3,814 | $91.6K |
| US Bancorp | 15 | $360 |
| Advisor Group Holdings, Inc. | 6 | $144 |
| Root Financial Partners, LLC | 5 | $120 |
| MAI Capital Management | 1 | $25 |
| Rothschild Investment LLC | 1 | $24 |
Not filed for Q2 2026 yet (2)
Institutions that held Greenwich LifeSciences, Inc. at the end of Q1 2026 and haven't filed a 13F for Q2 2026. Not filing isn't selling, so they aren't counted as sold out.
| Institution | Shares, Q1 2026 | Value, Q1 2026 |
|---|---|---|
| CWM, LLC | 52 | $1.25K |
| Sunbelt Securities, Inc. | 2 | $48 |