Security key
18978H508
CNS Pharmaceuticals, Inc. - Common Stock (CNSP)
CUSIP: 18978H508
Q1 2026 13F Holders as of 31 Mar 2026
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 145,596
- Total 13F value
- $348,663
- Share change
- +21,359
- SEC-reported price per share
- $2.39
- Number of holders
- 11
- Value change
- +$7,140
- Number of buys
- 6
- Number of sells
- 2
- Shares outstanding
- 1,614,040
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2026
Institutions
11
Top holders
10
CNSP full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2026
Previous quarter: Q4 2025
CNS Pharmaceuticals, Inc. SEC filings
CNS Pharmaceuticals, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 18978H508
Recent filing periods:
Ownership snapshot
Top reported holders of CNSP - CNS Pharmaceuticals, Inc. - Common Stock (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
Stonepine Capital Managem...
Disclosed value leader
Stonepine Capital Managem...
Comparable rows
10/15
Latest evidence
31 Mar 2026
13D/G
13F
3/4/5
Lead comparable stake: 9.9%
5 rows are not safely comparable across share classes.
13D/G row: Stonepine Capital Management, LLC
Showing 1-6 of 15 holder rows.
Quick read
Stonepine Capital Management, LLC leads the comparable SEC ownership view at 9.9%.
10 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 Stonepine Capital Management, LLC's linked filing trail.
Comparable ownership
Top 5
Stonepine Capital Management, LLC
9.9%
Ikarian Capital, LLC
5.7%
ARMISTICE CAPITAL, LLC
5%
DRW Securities, LLC
0.96%
BOOTHBAY FUND MANAGEMENT, LLC
0.84%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Stonepine Capital Management, LLC |
13D/G
13F
Company
|
9.9%
|
$402,671
159,790 shares
|
+$279,627 | 31 Mar 2026 |
| Ikarian Capital, LLC |
13F
13D/G
Company
|
5.7%
from 13D/G
|
$240,608
45,830 shares
|
— | 31 Dec 2025 |
| ARMISTICE CAPITAL, LLC |
13D/G
|
5%
|
$5,432
30,177 shares
|
-$95,575 | 30 Sep 2025 |
| DRW Securities, LLC |
13F
Company
|
0.96%
|
$81,002
15,429 shares
|
— | 31 Dec 2025 |
| BOOTHBAY FUND MANAGEMENT, LLC |
13F
Company
|
0.84%
|
$71,001
13,524 shares
|
— | 31 Dec 2025 |
| UBS Group AG |
13F
Company
|
0.04%
|
$3,208
611 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
11
Shares
145,596
Rows available
11
| 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
9
Q1 2026 holders
11
Holder diff
2
| 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