Security key
396879108
- Security type / class
- Equity / COM
- Total 13F shares
- 1,713,042
- Total 13F value
- $41,134,964
- Share change
- +270,319
- SEC-reported price per share
- $24.02
- Number of holders
- 63
- Value change
- +$7,044,191
- Number of buys
- 38
- Number of sells
- 20
Report period
Q1 2026
Institutions
63
Top holders
10
GLSI full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2026
Previous quarter: Q4 2025
Greenwich LifeSciences, Inc. SEC filings
Greenwich LifeSciences, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 396879108
Recent filing periods:
Ownership snapshot
Top reported holders of GLSI - Greenwich LifeSciences, Inc. - COM (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Snehal Patel
Disclosed value leader
Snehal Patel
Comparable rows
0/15
Latest evidence
13 Jan 2026
3/4/5
13F
Highest disclosed value: $63,158,229
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
Snehal Patel has the largest disclosed position value at $63.16M.
0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Snehal Patel's linked filing trail.
Disclosed position value
Top 5
Snehal Patel
$63.16M
BlackRock, Inc.
$7.8M
VANGUARD GROUP INC
$6.23M
Jaye Thompson
$3.41M
GEODE CAPITAL MANAGEMENT, LLC
$3.19M
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Snehal Patel |
3/4/5
CEO and CFO, Director, 10%+ Owner
|
—
mixed-class rows
|
$63,158,229
7,951,564 shares
mixed-class rows
|
+$355,765 | 13 Jan 2026 |
| BlackRock, Inc. |
13F
Company
|
—
class O/S missing
|
$7,804,458
371,464 shares
|
— | 31 Dec 2025 |
| VANGUARD GROUP INC |
13F
Company
|
—
class O/S missing
|
$6,232,071
296,624 shares
|
— | 31 Dec 2025 |
| Jaye Thompson |
3/4/5
VP Clinical Reg Affairs
|
—
mixed-class rows
|
$3,410,151
563,784 shares
mixed-class rows
|
— | 24 Dec 2024 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
—
class O/S missing
|
$3,187,185
151,684 shares
|
— | 31 Dec 2025 |
| STATE STREET CORP |
13F
Company
|
—
class O/S missing
|
$2,054,295
97,777 shares
|
— | 31 Dec 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q1 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
63
Shares
1,713,042
Rows available
63
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q1 2026 vs Q4 2025 Across Filers
Q4 2025 holders
49
Q1 2026 holders
63
Holder diff
14
| Investor | Q4 2025 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q4 2025 value | Q1 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend