CNSP · CNS Pharmaceuticals, Inc.
Market Cap
$8.78M
Shares
1.46M
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 11
Total Value: $1,340,469
Total Shares: 280,434
Institutional Ownership Trend
26 quarters
Holder Concentration
Across 11 13F filers · Δ vs Mar 31, 2026Top Holder
48.4%
+6.5 pts
Top 5
96.7%
−2.8 pts
Top 10
100.0%
+0.0 pts
HHI
3,232
Highly concentrated+145
Quarterly Activity
vs Mar 31, 2026
New
4
Increased
2
Decreased
2
Sold Out
5
Unchanged
3
Holder count:
-1
Institutional value:
+285.2%
Shares held:
+92.6%
Top Buyers
vs Mar 31, 2026| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Small Ikarian Capital, LLC | +90,000 | 135,830 | |
| Mega UBS Group AG | +732 | 1,461 |
Top Sellers
vs Mar 31, 2026| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Small Stonepine Capital Management, LLC | −19,427 | 41,573 | |
| Mid Tower Research Capital LLC (TRC) | −511 | 799 |
Top New Positions
vs Mar 31, 2026| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Mid ADAR1 Capital Management, LLC | 70,000 | $334,600 | |
| Mega VANGUARD FIDUCIARY TRUST CO | 10,226 | $48,880 | |
| Mega VANGUARD CAPITAL MANAGEMENT LLC | 6,993 | $33,426 | |
| Mega BARCLAYS PLC | 19 | $90 |
Top Sold-Out Positions
vs Mar 31, 2026| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Mega GEODE CAPITAL MANAGEMENT, LLC | 23,189 | $55,421 | |
| Mid Sound Income Strategies, LLC | 16 | $38 | |
| Large MAI Capital Management | 3 | $7 | |
| Mega CITIGROUP INC | 1 | $2 | |
| Small Caitong International Asset Management Co., Ltd | 1 | $2 |
| Holder | Value (USD) | % of 13F | Shares | Type | Filed | Open |
|---|---|---|---|---|---|---|
| Small Ikarian Capital, LLC | $649,267 | 48.44% | 135,830 | Shares | 2026-08-14 | |
| Mid ADAR1 Capital Management, LLC | $334,600 | 24.96% | 70,000 | Shares | 2026-08-14 | |
| Small Stonepine Capital Management, LLC | $198,718 | 14.82% | 41,573 | Shares | 2026-08-17 | |
| Mid BOOTHBAY FUND MANAGEMENT, LLC | $64,644 | 4.82% | 13,524 | Shares | 2026-08-14 | |
| Mega VANGUARD FIDUCIARY TRUST CO Bank | $48,880 | 3.65% | 10,226 | Shares | 2026-08-13 | |
| Mega VANGUARD CAPITAL MANAGEMENT LLC | $33,426 | 2.49% | 6,993 | Shares | 2026-08-13 | |
| Mega UBS Group AG | $6,983 | 0.52% | 1,461 | Shares | 2026-08-13 | |
| Mid Tower Research Capital LLC (TRC) | $3,819 | 0.28% | 799 | Shares | 2026-08-11 | |
| Mega BARCLAYS PLC | $90 | 0.01% | 19 | Shares | 2026-08-14 | |
| Small BARRETT & COMPANY, INC. | $38 | 0.00% | 8 | Shares | 2026-07-24 | |
| Large DANSKE BANK A/S Bank | $4 | 0.00% | 1 | Shares | 2026-08-10 |
Key facts
CIK
1729427
CUSIP
18978H508
13F (30d)
11 filings
10 filers
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Investor relations