Compass TherapeuticsCMPX
13F holders, Q1 2025 (March 31)108holders +16
26new positions
10sold out
2famous investors
$1.90avg. 13F price*
At the end of Q1 2025, 108 institutions reported holding Compass Therapeutics Inc. (CMPX) in their 13F filings, up 16 from Q4 2024. 26 opened new positions and 10 sold out. The largest holders were Orbimed Advisors LLC ($42.5M), Tang Capital Management LLC ($21.0M) and Blackstone Inc. ($19.0M). 2 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Compass Therapeutics Inc.
- CUSIP
- 20454B104
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 26 | $4.9M |
| Exits | 10 | $1.2M |
All 13F filers, Q4 2024 → Q1 2025: 12,419,601 shares bought and 5,325,609 shares sold, net +7,093,992 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 108 holders
| Orbimed Advisors LLC | 1.02% | No change | 22,362,850 | $42.5M |
| Tang Capital Management LLC | 1.16% | Add +87.3% | 11,052,632 | $21.0M |
| Blackstone Inc. | 0.08% | No change | 10,025,151 | $19.0M |
| MPM Bioimpact LLC | 2.76% | Reduce -1.5% | 8,442,783 | $16.0M |
| Enavate Sciences Gp, LLC | 11.15% | No change | 7,788,150 | $14.8M |
| BlackRock, Inc. | 0.00% | Add +3.2% | 7,109,090 | $13.5M |
| Rock Springs Capital Management LP | 0.54% | Reduce -14.1% | 4,962,955 | $9.4M |
| Vanguard Group Inc. | 0.00% | Add +2.5% | 4,838,006 | $9.2M |
| FMR LLC | 0.00% | Reduce -0.1% | 4,134,287 | $7.9M |
| Adage Capital Partners Gp, L.L.C. | 0.01% | Reduce -33.7% | 3,975,000 | $7.6M |
| Vivo Capital, LLC | 0.89% | No change | 3,556,023 | $6.8M |
| Blue Owl Capital Holdings LP | 1.82% | No change | 2,954,712 | $5.6M |
| Geode Capital Management, LLC | 0.00% | Add +1.3% | 2,364,896 | $4.5M |
| JPMorgan Chase & Co. | 0.00% | Add +702.5% | 2,185,480 | $4.2M |
| State Street Corp. | 0.00% | Add +2.5% | 1,949,677 | $3.7M |
| SG Americas Securities, LLC | 0.01% | Add +138.2% | 940,784 | $1.8M |
| Silverarc Capital Management, LLC | 0.35% | New | 874,869 | $1.7M |
| Morgan Stanley | 0.00% | Add +121.7% | 839,176 | $1.6M |
| Northern Trust Corp. | 0.00% | Add +0.2% | 803,138 | $1.5M |
| Baker Bros. Advisors LP | 0.01% | Reduce -64.8% | 547,498 | $1.0M |
| Millennium Management | 0.00% | Add +1510.0% | 545,088 | $1.0M |
| Monashee Investment Management LLC | 0.10% | No change | 448,164 | $852K |
| Bank of America Corp. | 0.00% | Add +239.3% | 383,503 | $729K |
| Macquarie Group Ltd. | 0.00% | New | 340,772 | $647K |
| Renaissance Technologies | 0.00% | Add +15.4% | 321,500 | $611K |
| Nuveen, LLC | 0.00% | — | 304,504 | $579K |
| Charles Schwab Investment Management Inc. | 0.00% | Add +4.1% | 297,880 | $566K |
| Bank of New York Mellon Corp | 0.00% | Add +2.4% | 243,565 | $463K |
| Goldman Sachs Group Inc. | 0.00% | Reduce -40.2% | 233,522 | $444K |
| Propel Bio Management, LLC | 0.50% | New | 228,317 | $434K |
| Wellington Management Group LLP | 0.00% | New | 222,505 | $423K |
| Jane Street Group, LLC | 0.00% | Add +1293.8% | 178,002 | $338K |
| Panagora Asset Management Inc. | 0.00% | Reduce -0.5% | 170,607 | $324K |
| UBS Group AG | 0.00% | Reduce -6.6% | 152,851 | $290K |
| Cantor Fitzgerald, L. P. | 0.01% | Add +50.0% | 150,000 | $285K |
| Dimensional Fund Advisors LP | 0.00% | Add +1148.6% | 138,802 | $264K |
| Susquehanna International Group, LLP | 0.00% | Add +140.8% | 131,497 | $250K |
| Citigroup Inc. | 0.00% | Add +67.0% | 131,237 | $249K |
| Affinity Asset Advisors, LLC | 0.04% | New | 130,807 | $249K |
| Rhumbline Advisers | 0.00% | Reduce -7.0% | 120,029 | $228K |
| Simplify Asset Management Inc. | 0.01% | New | 120,000 | $228K |
| Barclays PLC | 0.00% | Reduce -38.4% | 118,731 | $226K |
| Deutsche Bank AG | 0.00% | New | 102,041 | $194K |
| Intech Investment Management LLC | 0.00% | Add +50.8% | 78,294 | $149K |
| American Century Companies Inc. | 0.00% | New | 73,682 | $140K |
| Franklin Resources Inc. | 0.00% | New | 62,844 | $119K |
| Wells Fargo & Company | 0.00% | Add +2.3% | 61,213 | $116K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +4.4% | 61,040 | $116K |
| Nomura Holdings Inc. | 0.00% | New | 58,700 | $112K |
| Exchange Traded Concepts, LLC | 0.00% | Reduce -44.6% | 54,207 | $103K |
| Walleye Capital LLC | 0.00% | New | 52,478 | $100K |
| Two Sigma Investments, LP | 0.00% | Reduce -64.7% | 51,239 | $97K |
| Corebridge Financial, Inc. | 0.00% | Reduce -1.5% | 49,963 | $95K |
| State of Wisconsin Investment Board | 0.00% | New | 47,700 | $91K |
| T. Rowe Price Associates Inc. | 0.00% | No change | 46,942 | $90K |
| Simplicity Wealth,LLC | 0.01% | New | 46,543 | $88K |
| Caxton Corp. | 1.63% | No change | 43,465 | $83K |
| LPL Financial LLC | 0.00% | Reduce -6.4% | 42,100 | $80K |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -5.9% | 39,501 | $75K |
| MetLife Investment Management, LLC | 0.00% | Reduce -41.1% | 37,167 | $71K |
| Invesco Ltd. | 0.00% | Reduce -5.9% | 37,157 | $71K |
| Verition Fund Management LLC | 0.00% | New | 32,245 | $61K |
| New York State Common Retirement Fund | 0.00% | Reduce -20.4% | 30,407 | $58K |
| Vontobel Holding Ltd. | 0.00% | New | 29,882 | $57K |
| Voya Investment Management LLC | 0.00% | Reduce -9.4% | 29,488 | $56K |
| Sequoia Financial Advisors, LLC | 0.00% | Reduce -9.5% | 27,934 | $53K |
| Walleye Trading LLC | 0.00% | New | 25,000 | $48K |
| Birchview Capital, LP | 0.04% | New | 24,000 | $46K |
| Marex Group Ltd | 0.00% | New | 23,600 | $45K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 22,933 | $44K |
| Cibc World Markets Corp. | 0.00% | New | 22,630 | $43K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +30.6% | 22,522 | $43K |
| ProShare Advisors LLC | 0.00% | Reduce -23.1% | 22,079 | $42K |
| Alliancebernstein L.P. | 0.00% | No change | 21,440 | $41K |
| Captrust Financial Advisors | 0.00% | New | 19,993 | $38K |
| Independent Advisor Alliance | 0.00% | Add +2.8% | 18,450 | $35K |
| STRS Ohio | 0.00% | No change | 17,900 | $34K |
| State Board of Administration of Florida Retirement System | 0.00% | New | 17,730 | $34K |
| Catalina Capital Group, LLC | 0.02% | Reduce -65.4% | 16,938 | $32K |
| Dakota Wealth Management | 0.00% | No change | 14,000 | $27K |
| Rovin Capital /Ut/ | 0.01% | No change | 13,495 | $26K |
| Focus Partners Wealth | 0.00% | Add +0.1% | 13,601 | $26K |
| North Star Investment Management Corp. | 0.00% | No change | 12,500 | $24K |
| Stonebrook Private Inc. | 0.01% | Add +8.9% | 12,294 | $23K |
| HSBC Holdings PLC | 0.00% | Reduce -44.6% | 11,923 | $23K |
| Gsa Capital Partners LLP | 0.00% | New | 12,187 | $23K |
| Mariner, LLC | 0.00% | Reduce -45.0% | 11,381 | $22K |
| BNP Paribas Financial Markets | 0.00% | Reduce -40.0% | 11,132 | $21K |
| ACT Advisors, LLC. | 0.01% | Add +2.2% | 10,761 | $20K |
| Royal Bank of Canada | 0.00% | Reduce -37.7% | 9,559 | $18K |
| Legal & General Group Plc | 0.00% | Reduce -15.0% | 8,648 | $16K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 7,536 | $14K |
| California State Teachers Retirement System | 0.00% | No change | 7,390 | $14K |
| Fortitude Family Office, LLC | 0.00% | No change | 5,145 | $10K |
| PNC Financial Services Group, Inc. | 0.00% | Add +99900.0% | 5,000 | $10K |
| Amalgamated Bank | 0.00% | No change | 3,077 | $6K |
| CoreCap Advisors, LLC | 0.00% | Add +15.8% | 2,664 | $5K |
| Sterling Capital Management LLC | 0.00% | Reduce -49.2% | 1,760 | $3K |
| Cwm, LLC | 0.00% | Add +57.1% | 878 | $2K |
| Coldstream Capital Management Inc. | 0.00% | New | 879 | $2K |
"% of holder's portfolio" is CMPX's weight in each manager's 13F, not the share of Compass Therapeutics Inc. the manager owns.