Greenwich LifeSciences, Inc. - COM (GLSI)

CUSIP: 396879108

Q4 2025 13F Holders as of 31 Dec 2025

Share change
+112,136
SEC-reported price per share
$21.01
Number of holders
49
Value change
+$3,310,098
Number of buys
22
Number of sells
25

Security key

396879108

Report period

Q4 2025

Institutions

49

Top holders

10

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
BlackRock, Inc.
Disclosed value leader
BlackRock, Inc.
Comparable rows
0/15
Latest evidence
30 Sep 2025
13F 3/4/5 Highest disclosed value: $3,614,825 15 rows are not safely comparable across share classes. Showing 1-6 of 15 holder rows.

Quick read

BlackRock, Inc. has the largest disclosed position value at $3.61M.

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 BlackRock, Inc.'s linked filing trail.
Disclosed position value Top 5
BlackRock, Inc. $3.61M
Jaye Thompson $3.41M
VANGUARD GROUP INC $2.81M
GEODE CAPITAL MANAGEMENT, LLC $1.41M
STATE STREET CORP $815.4K

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
BlackRock, Inc.
13F
Company
13F
class O/S missing
$3,614,825
363,299 shares
30 Sep 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
VANGUARD GROUP INC
13F
Company
13F
class O/S missing
$2,807,700
282,181 shares
30 Sep 2025
GEODE CAPITAL MANAGEMENT, LLC
13F
Company
13F
class O/S missing
$1,414,205
142,116 shares
30 Sep 2025
STATE STREET CORP
13F
Company
13F
class O/S missing
$815,363
81,946 shares
30 Sep 2025
NORTHERN TRUST CORP
13F
Company
13F
class O/S missing
$755,255
75,905 shares
30 Sep 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 Q4 2025

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
49
Shares
1,327,035
Rows available
49
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 Q4 2025 vs Q3 2025 Across Filers

Q3 2025 holders
51
Q4 2025 holders
49
Holder diff
-2
Investor Q3 2025 Shares Q4 2025 Shares Share Diff Share Chg % Q3 2025 value Q4 2025 value Value change Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
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