North Star Investment Management Corp.
Position in CMPX — Compass Therapeutics, Inc.
CIK 1342857
CHICAGO, IL
Position in CMPX
as of Mar 31, 2026
· filed Apr 23, 2026
Position Value
$66,125
-$1,000 QoQ
Shares Held
12,500
0.0% QoQ
Ownership
0.007%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2024
7 quarters on record
Voting authority
Sole 0%
Shared 0%
None 100%
Common Shares in CMPX Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026North Star Investment Management Corp. holds $819,477 across 35 Biotechnology names. CMPX ranks #5 (8.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | DFTX |
Definium Therapeutics, Inc.
|
7,571 | $143,091 | |
| 2 | TGTX |
Tg Therapeutics, Inc.
|
3,900 | $129,558 | |
| 3 | ATAI |
AtaiBeckley Inc.
|
28,275 | $100,093 | |
| 4 | VKTX |
Viking Therapeutics, Inc.
|
3,058 | $99,507 | |
| 5 | CMPX |
Compass Therapeutics, Inc.
This page
|
12,500 | $66,125 | |
| 6 | EXEL |
Exelixis, Inc.
|
1,260 | $54,041 | |
| 7 | ALT |
Altimmune, Inc.
|
17,000 | $52,360 | |
| 8 | GHRS |
GH Research PLC
|
2,200 | $30,932 |
All Filings in CMPX
Export CSV
7 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $66,125 | 12,500 | Shares | Sole | 2026-04-23 | |
| 2025-12-31 | $67,125 | 12,500 | Shares | Sole | 2026-01-30 | |
| 2025-09-30 | $43,750 | 12,500 | Shares | Sole | 2025-10-22 | |
| 2025-06-30 | $32,500 | 12,500 | Shares | Sole | 2025-07-15 | |
| 2025-03-31 | $23,750 | 12,500 | Shares | Sole | 2025-04-17 | |
| 2024-12-31 | $18,125 | 12,500 | Shares | Sole | 2025-02-10 | |
| 2024-09-30 | $23,000 | 12,500 | Shares | Sole | 2024-10-30 | |
| No filing history on record for this holder in this stock. | ||||||