Security key
20454B104
Compass Therapeutics, Inc. - Common Stock, $0.0001 par value per share (CMPX)
CUSIP: 20454B104
Q4 2022 13F Holders as of 31 Dec 2022
- Security type / class
- Equity / Common Stock, $0.0001 par value per share
- Total 13F shares
- 79,833,267
- Total 13F value
- $401,391,571
- Share change
- +15,714,833
- SEC-reported price per share
- $5.03
- Number of holders
- 54
- Value change
- +$78,919,542
- Number of buys
- 41
- Number of sells
- 4
- Shares outstanding
- 180,577,721
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q4 2022
Institutions
54
Top holders
10
CMPX full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2026
Compass Therapeutics, Inc. SEC filings
Compass Therapeutics, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 20454B104
Recent filing periods:
Ownership snapshot
Top reported holders of CMPX - Compass Therapeutics, Inc. - Common Stock, $0.0001 par value per share (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
ORBIMED ADVISORS LLC
Disclosed value leader
ORBIMED ADVISORS LLC
Comparable rows
15/15
Latest evidence
30 Sep 2022
13F
Lead comparable stake: 12%
Showing 1-6 of 15 holder rows.
Quick read
ORBIMED ADVISORS LLC leads the comparable SEC ownership view at 12%.
15 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 ORBIMED ADVISORS LLC's linked filing trail.
Comparable ownership
Top 5
ORBIMED ADVISORS LLC
12%
FMR LLC
3.5%
Rock Springs Capital Management LP
3%
ADAGE CAPITAL PARTNERS GP, L.L.C.
2.6%
Foresite Capital Management V, LLC
2.4%
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 |
|---|---|---|---|---|---|
| ORBIMED ADVISORS LLC |
13F
Company
|
12%
|
$50,071,000
21,960,850 shares
|
— | 30 Sep 2022 |
| FMR LLC |
13F
Company
|
3.5%
|
$14,489,000
6,354,814 shares
|
— | 30 Sep 2022 |
| Rock Springs Capital Management LP |
13F
Company
|
3%
|
$12,160,000
5,333,188 shares
|
— | 30 Sep 2022 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. |
13F
Company
|
2.6%
|
$10,503,000
4,606,600 shares
|
— | 30 Sep 2022 |
| Foresite Capital Management V, LLC |
13F
Company
|
2.4%
|
$10,032,000
4,400,000 shares
|
— | 30 Sep 2022 |
| Janus Henderson Group Ltd. |
13F
Company
|
2%
|
$8,068,000
3,522,980 shares
|
— | 30 Sep 2022 |
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 2022
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
54
Shares
79,833,267
Rows available
54
| 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 2022 vs Q3 2022 Across Filers
Q3 2022 holders
36
Q4 2022 holders
54
Holder diff
18
| Investor | Q3 2022 Shares | Q4 2022 Shares | Share Diff | Share Chg % | Q3 2022 value | Q4 2022 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend