Greenwich LifesciencesGLSI
13F holders, Q4 2025 (December 31)50holders −1
7new positions
8sold out
1famous investor
$21.01avg. 13F price*
At the end of Q4 2025, 50 institutions reported holding Greenwich Lifesciences Inc. (GLSI) in their 13F filings, down 1 from Q3 2025. 7 opened new positions and 8 sold out. The largest holders were BlackRock, Inc. ($7.8M), Vanguard Group Inc. ($6.2M) and Geode Capital Management, LLC ($3.2M). One famous investor held it Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Greenwich Lifesciences Inc.
- CUSIP
- 396879108
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 7 | $3.5M |
| Exits | 8 | $858K |
All 13F filers, Q3 2025 → Q4 2025: 243,887 shares bought and 131,031 shares sold, net +112,856 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 50 holders
| BlackRock, Inc. | 0.00% | Add +2.3% | 371,464 | $7.8M |
| Vanguard Group Inc. | 0.00% | Add +5.1% | 296,624 | $6.2M |
| Geode Capital Management, LLC | 0.00% | Add +6.7% | 151,684 | $3.2M |
| State Street Corp. | 0.00% | Add +19.3% | 97,777 | $2.1M |
| Credit Agricole S A | 0.01% | New | 87,000 | $1.8M |
| Northern Trust Corp. | 0.00% | Reduce -3.8% | 73,009 | $1.5M |
| Virtu Financial LLC | 0.02% | New | 28,797 | $605K |
| Man Group plc | 0.00% | New | 28,068 | $590K |
| Morgan Stanley | 0.00% | Add +202.5% | 26,379 | $554K |
| Goldman Sachs Group Inc. | 0.00% | Add +8.6% | 21,545 | $453K |
| Charles Schwab Investment Management Inc. | 0.00% | Add +0.2% | 19,041 | $400K |
| Bank of New York Mellon Corp | 0.00% | Reduce -8.3% | 13,866 | $291K |
| Citadel Advisors | 0.00% | Reduce -43.5% | 11,830 | $249K |
| XTX Topco Ltd | 0.01% | New | 10,325 | $217K |
| Barclays PLC | 0.00% | Add +11.8% | 9,744 | $205K |
| Jane Street Group, LLC | 0.00% | New | 9,677 | $203K |
| Rhumbline Advisers | 0.00% | Reduce -11.8% | 8,086 | $170K |
| Wells Fargo & Company | 0.00% | Add +109.6% | 7,845 | $165K |
| Bank of America Corp. | 0.00% | Add +47.4% | 7,187 | $151K |
| UBS Group AG | 0.00% | Add +48.1% | 6,080 | $128K |
| Deutsche Bank AG | 0.00% | Reduce -71.9% | 6,051 | $127K |
| New York State Common Retirement Fund | 0.00% | No change | 6,000 | $126K |
| STRS Ohio | 0.00% | Reduce -71.5% | 5,700 | $120K |
| FMR LLC | 0.00% | Add +39.7% | 4,001 | $84K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +3.0% | 3,064 | $64K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 2,768 | $58K |
| JPMorgan Chase & Co. | 0.00% | Add +5.3% | 2,677 | $56K |
| NFSG Corp | 0.01% | No change | 2,100 | $44K |
| BNP Paribas Financial Markets | 0.00% | Add +61.7% | 1,840 | $39K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -9.5% | 1,156 | $24K |
| Royal Bank of Canada | 0.00% | Reduce -18.9% | 998 | $20K |
| Farther Finance Advisors, LLC | 0.00% | New | 919 | $19K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 585 | $12K |
| Legal & General Group Plc | 0.00% | Reduce -12.2% | 581 | $12K |
| Russell Investments Group, Ltd. | 0.00% | Reduce -13.7% | 560 | $12K |
| Founders Capital Management | 0.01% | No change | 500 | $11K |
| California State Teachers Retirement System | 0.00% | Reduce -11.3% | 385 | $8K |
| Citigroup Inc. | 0.00% | Reduce -14.3% | 227 | $5K |
| Washington Trust Advisors, Inc. | 0.00% | No change | 200 | $4K |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | New | 193 | $4K |
| Amalgamated Bank | 0.00% | Reduce -4.8% | 197 | $4K |
| Optiver Holding B.V. | 0.00% | No change | 96 | $2K |
| Geneos Wealth Management Inc. | 0.00% | No change | 88 | $2K |
| North Star Investment Management Corp. | 0.00% | No change | 51 | $1K |
| Sterling Capital Management LLC | 0.00% | Add +166.7% | 40 | $840 |
| PNC Financial Services Group, Inc. | 0.00% | Reduce -41.4% | 17 | $357 |
| Osaic Holdings, Inc. | 0.00% | No change | 6 | $126 |
| EverSource Wealth Advisors, LLC | 0.00% | Reduce -84.4% | 5 | $105 |
| Sunbelt Securities, Inc. | 0.00% | Reduce -60.0% | 2 | $42 |
| Cwm, LLC | 0.00% | Reduce -70.0% | 18 | $0 |
"% of holder's portfolio" is GLSI's weight in each manager's 13F, not the share of Greenwich Lifesciences Inc. the manager owns.