Compass TherapeuticsCMPX

13F holders, Q2 2026 (June 30)
215holders +14
61new positions
47sold out
7famous investors
$2.19avg. 13F price*

At the end of Q2 2026, 215 institutions reported holding Compass Therapeutics Inc. (CMPX) in their 13F filings, up 14 from Q1 2026. 61 opened new positions and 47 sold out. The largest holders were Tang Capital Management LLC ($39.4M), Orbimed Advisors LLC ($33.3M) and Montanova Capital, LLC ($30.9M). 7 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), Ken Griffin (0.0% of Citadel Advisors's portfolio) and Cliff Asness (0.0% of AQR Capital Management's portfolio).

Company
Compass Therapeutics Inc.
CUSIP
20454B104
Latest filing quarter
Q2 2026

History

Number of 13F holders

050100150200250 Q1 2024: 78Q1 2024Q2 2024: 82Q2 2024Q3 2024: 79Q3 2024Q4 2024: 92Q4 2024Q1 2025: 108Q1 2025Q2 2025: 103Q2 2025Q3 2025: 125Q3 2025Q4 2025: 173Q4 2025Q1 2026: 201Q1 2026Q2 2026: 215Q2 2026

Total Exit/New Position Q1 2026 → Q2 2026

InstitutionsTotal Value
New Positions61$17.6M
Exits47$171.6M

All 13F filers, Q1 2026 → Q2 2026: 41,546,589 shares bought and 49,393,296 shares sold, net −7,846,707 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 215 holders

Tang Capital Management LLC 1.80% Add +7.2% 17,990,782 $39.4M
Orbimed Advisors LLC 0.63% No change 15,219,994 $33.3M
Montanova Capital, LLC 0.65% Reduce -1.4% 14,101,159 $30.9M
BlackRock, Inc. 0.00% Add +18.7% 11,281,781 $24.7M
State Street Corp. 0.00% Add +48.7% 9,953,653 $21.8M
Enavate Sciences Gp, LLC 4.94% No change 7,788,150 $17.1M
Vivo Capital, LLC 1.55% Reduce -18.7% 7,757,060 $17.0M
Vanguard Capital Management LLC 0.00% Add +1.4% 6,118,782 $13.4M
Palo Alto Investors LP 1.76% Add +285.1% 5,831,813 $12.8M
Millennium Management 0.01% Add +457.0% 4,713,247 $10.3M
Geode Capital Management, LLC 0.00% Add +7.0% 3,815,189 $8.4M
Vanguard Portfolio Management LLC 0.00% Add +248.3% 3,771,032 $8.3M
Qube Research & Technologies Ltd 0.01% Add +44.6% 3,687,489 $8.1M
Blue Owl Capital Holdings LP 1.21% Add +23.2% 3,624,076 $7.9M
Citadel Advisors 0.00% Add +395.0% 3,570,674 $7.8M
Goldman Sachs Group Inc. 0.00% Add +77.0% 3,531,000 $7.7M
Rock Springs Capital Management LP 0.38% Add +6.6% 3,524,929 $7.7M
AQR Capital Management 0.00% Add +1650.8% 3,509,137 $7.7M
Birchview Capital, LP 1.72% Add +14.3% 1,675,000 $3.7M
Kingdon Capital Management, L.L.C. 0.41% New 1,400,000 $3.1M
Fisher Asset Management 0.00% Add +3.2% 1,391,890 $3.0M
Royce & Associates LP 0.02% Reduce -17.5% 1,336,780 $2.9M
FMR LLC 0.00% Reduce -32.7% 1,212,196 $2.7M
Adage Capital Partners Gp, L.L.C. 0.00% Reduce -86.0% 1,186,500 $2.6M
Acadian Asset Management LLC 0.00% New 1,161,231 $2.5M
Northern Trust Corp. 0.00% Add +8.8% 1,140,914 $2.5M
Atle Fund Management AB 0.62% Add +2406.7% 1,048,593 $2.3M
Nuveen, LLC 0.00% Add +247.3% 1,010,562 $2.2M
Squarepoint Ops LLC 0.00% Add +1906.9% 1,007,507 $2.2M
Vanguard Fiduciary Trust Co. 0.00% Add +0.3% 1,000,938 $2.2M
Blackstone Inc. 0.01% Reduce -51.6% 899,936 $2.0M
First Trust Advisors LP 0.00% New 807,004 $1.8M
JPMorgan Chase & Co. 0.00% Reduce -6.9% 789,399 $1.7M
KVP Capital Advisors, LP 1.24% Add +54.2% 771,000 $1.7M
Morgan Stanley 0.00% Add +104.0% 735,186 $1.6M
Citigroup Inc. 0.00% Add +19.3% 713,907 $1.6M
UBS Group AG 0.00% Reduce -70.2% 712,763 $1.6M
Burkehill Global Management, LP 0.06% No change 700,000 $1.5M
Point72 Asset Management 0.00% New 686,577 $1.5M
Acuta Capital Partners, LLC 0.91% Reduce -29.9% 595,213 $1.3M
Bank of America Corp. 0.00% Reduce -34.5% 566,919 $1.2M
CM Management, LLC 0.77% New 550,000 $1.2M
Dimensional Fund Advisors LP 0.00% Add +23.1% 541,178 $1.2M
Connor, Clark & Lunn Investment Management Ltd. 0.00% Add +5.2% 523,777 $1.1M
Alliancebernstein L.P. 0.00% Add +92.8% 161,880 $856K
Artia Global Partners LP 0.16% New 383,200 $839K
Wellington Management Group LLP 0.00% Add +5.2% 378,687 $829K
ArrowMark Colorado Holdings LLC 0.03% Reduce -29.1% 364,742 $799K
Bank of New York Mellon Corp 0.00% Add +18.1% 351,032 $769K
Marshall Wace, LLP 0.00% New 334,869 $733K
Two Sigma Investments, LP 0.00% Add +867.7% 320,312 $701K
Susquehanna International Group, LLP 0.00% Add +96.3% 308,295 $675K
Algert Global LLC 0.01% Add +737.7% 308,110 $675K
Charles Schwab Investment Management Inc. 0.00% Reduce -18.3% 303,139 $664K
Natixis 0.00% New 297,715 $652K
Exome Asset Management LLC 0.37% New 276,165 $605K
Caption Management, LLC 0.02% New 263,577 $577K
Seven Fleet Capital Management LP 0.08% Reduce -54.9% 233,066 $510K
DV Equities, LLC 0.07% — 233,066 $510K
Panagora Asset Management Inc. 0.00% New 222,179 $487K
XTX Topco Ltd 0.01% Add +210.2% 217,485 $476K
Orion Porfolio Solutions, LLC 0.00% New 213,863 $468K
D. E. Shaw & Co. 0.00% Add +210.0% 204,487 $448K
Rafferty Asset Management, LLC 0.00% Reduce -2.9% 190,126 $416K
Creative Planning 0.00% Add +72.2% 182,841 $400K
Alps Advisors Inc. 0.00% Add +24.7% 182,777 $400K
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% Add +27.3% 177,814 $389K
Mariner, LLC 0.00% New 172,821 $378K
Swiss National Bank 0.00% Reduce -22.2% 171,700 $376K
HRT Financial LP 0.00% Add +756.9% 170,102 $372K
Virtus Investment Advisers, LLC 0.08% Add +205.0% 161,181 $353K
Canada Pension Plan Investment Board 0.00% Add +541.0% 160,900 $352K
Rhumbline Advisers 0.00% Add +7.8% 158,444 $347K
Deutsche Bank AG 0.00% Add +0.8% 134,350 $294K
Ieq Capital, LLC 0.00% New 122,948 $269K
ADAR1 Capital Management, LLC 0.01% Reduce -12.1% 122,132 $267K
Wells Fargo & Company 0.00% Add +130.0% 109,793 $240K
Quadrature Capital Ltd 0.00% Add +681.9% 108,250 $237K
Mercer Global Advisors Inc. 0.00% New 106,570 $233K
Los Angeles Capital Management LLC 0.00% New 105,113 $230K
T. Rowe Price Associates Inc. 0.00% Add +4.8% 104,251 $229K
Profund Advisors LLC 0.01% Add +8.6% 95,209 $209K
Schonfeld Strategic Advisors LLC 0.00% Reduce -91.4% 92,227 $202K
Tudor Investment Corporation 0.00% Add +1.3% 90,044 $197K
Wealth Enhancement Advisory Services, LLC 0.00% New 83,567 $195K
Jain Global LLC 0.00% New 88,302 $193K
SmartHarvest Portfolios, LLC 0.06% Add +149.2% 86,508 $189K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Add +11.3% 82,459 $180K
Group One Trading LLC 0.01% Add +169.8% 81,557 $179K
Cerity Partners LLC 0.00% New 80,973 $177K
Optimize Financial Inc. 0.06% Reduce -0.3% 80,160 $176K
Sound Capital Solutions LLC 0.04% — 80,160 $176K
SG Americas Securities, LLC 0.00% Add +60.2% 76,355 $167K
Legal & General Group Plc 0.00% No change 75,103 $164K
VANGUARD ASSET MANAGEMENT, Ltd 0.00% No change 74,689 $164K
MetLife Investment Management, LLC 0.00% Add +11.2% 71,421 $156K
Gsa Capital Partners LLP 0.01% New 70,179 $154K
Invesco Ltd. 0.00% Reduce -31.0% 69,818 $153K
Manufacturers Life Insurance Company, The 0.00% Add +1.1% 68,217 $149K
California State Teachers Retirement System 0.00% Reduce -39.7% 67,713 $148K
ExodusPoint Capital Management, LP 0.00% Add +53.3% 67,478 $148K
Vanguard Global Advisers, LLC 0.00% Reduce -35.6% 61,158 $134K
Wealthcare Advisory Partners LLC 0.00% New 60,962 $134K
Quantbot Technologies LP 0.01% Add +8348.1% 60,826 $133K
Jane Street Group, LLC 0.00% New 59,955 $131K
Simplex Trading, LLC 0.00% Add +123.5% 57,790 $127K
Jupiter Topco LLC 0.00% — 55,600 $121K
Focus Partners Wealth 0.00% Add +271.7% 53,121 $116K
Russell Investments Group, Ltd. 0.00% Add +363.4% 50,505 $111K
Barclays PLC 0.00% Reduce -93.6% 50,397 $110K
Sequoia Financial Advisors, LLC 0.00% Add +189.5% 44,980 $99K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% No change 43,914 $96K
State of Wisconsin Investment Board 0.00% Reduce -78.2% 43,579 $95K
Axq Capital, LP 0.01% Add +68.1% 42,118 $92K
Osaic Holdings, Inc. 0.00% Add +185.9% 41,965 $92K
Simplicity Wealth,LLC 0.00% Add +28.7% 36,480 $80K
BNP Paribas Financial Markets 0.00% Reduce -0.4% 35,631 $78K
Police & Firemen's Retirement System of New Jersey 0.00% No change 35,503 $78K
Vanguard Investments Australia, Ltd. 0.00% No change 33,422 $73K
Captrust Financial Advisors 0.00% Add +50.4% 32,609 $71K
VIRGINIA RETIREMENT SYSTEMS ET Al 0.00% New 32,300 $71K
Independent Advisor Alliance 0.00% Add +76.5% 31,587 $69K
LPL Financial LLC 0.00% Reduce -11.3% 31,470 $69K
New York State Common Retirement Fund 0.00% No change 30,407 $67K
Betterment LLC 0.00% New 30,143 $66K
Two Sigma Securities, LLC 0.01% New 29,451 $64K
Florida Financial Advisors, LLC 0.01% New 28,586 $63K
Strategic Wealth Partners, Ltd. 0.00% Add +69.8% 28,575 $63K
Intech Investment Management LLC 0.00% Reduce -6.3% 27,910 $61K
State of New Jersey Common Pension Fund D 0.00% Reduce -27.4% 27,659 $61K
Voya Investment Management LLC 0.00% Reduce -92.8% 27,069 $59K
E Fund Management Co., Ltd. 0.00% Add +8.9% 26,808 $59K
Engineers Gate Manager LP 0.00% Reduce -63.3% 26,335 $58K
Walleye Trading LLC 0.00% No change 25,000 $55K
WINTON GROUP Ltd 0.00% New 24,900 $55K
KLP Kapitalforvaltning As 0.00% No change 24,600 $54K
Merit Financial Group, LLC 0.00% New 23,674 $52K
Arizona State Retirement System 0.00% Reduce -22.9% 23,604 $52K
nVerses Capital, LLC 0.08% New 23,330 $51K
Graham Capital Management, L.P. 0.00% Reduce -3.0% 22,857 $50K
Independent Financial Group, LLC 0.00% No change 22,779 $50K
Prudential Financial Inc. 0.00% Reduce -95.6% 21,720 $48K
Sei Investments Co. 0.00% New 21,552 $47K
Arkadios Wealth Advisors 0.00% New 21,464 $47K
ACT Advisors, LLC. 0.01% New 20,613 $45K
Neuberger Berman Group LLC 0.00% Add +21.0% 19,792 $43K
Apollon Wealth Management, LLC 0.00% New 19,687 $43K
Wealthcare Capital Partners, LLC 0.02% New 19,654 $43K
Caitong International Asset Management Co., Ltd 0.01% Add +2584.4% 19,301 $42K
Welch & Forbes LLC 0.00% No change 19,000 $42K
Brighton Jones LLC 0.00% New 18,317 $40K
M&T Bank Corp 0.00% Add +21.0% 18,198 $40K
Ikarian Capital, LLC 0.01% No change 18,000 $39K
ProShare Advisors LLC 0.00% Reduce -8.2% 17,167 $38K
McAdam, LLC 0.00% New 16,494 $36K
Virtu Financial LLC 0.00% Reduce -61.9% 16,394 $36K
Jupiter Asset Management Ltd. 0.00% New 16,270 $36K
Chicago Partners Investment Group LLC 0.00% New 16,257 $34K
Victory Capital Management Inc. 0.00% Add +7.8% 14,806 $32K
Sig Brokerage, LP 0.01% No change 14,496 $32K
Centiva Capital, LP 0.00% New 14,432 $32K
Pictet Asset Management Holding SA 0.00% No change 14,432 $32K
Stifel Financial Corp. 0.00% Reduce -48.3% 14,211 $31K
MAI Capital Management 0.00% Add +2210.9% 14,189 $31K
StoneX Group Inc. 0.00% New 15,000 $31K
State of Wyoming 0.00% New 14,065 $31K
HB Wealth Management, LLC 0.00% New 13,058 $29K
Fortis Capital Advisors, LLC 0.00% New 13,025 $29K
Belpointe Asset Management LLC 0.00% New 13,025 $29K
Xponance LLC 0.00% Add +6.0% 12,550 $27K
North Star Investment Management Corp. 0.00% No change 12,500 $27K
Blair William & Co. 0.00% Reduce -60.4% 12,186 $27K
SummitTX Capital, L.P. 0.00% New 12,000 $26K
Crewe Advisors LLC 0.00% New 11,696 $26K
PNC Financial Services Group, Inc. 0.00% Reduce -0.9% 10,939 $24K
Ameritas Investment Partners, Inc. 0.00% No change 10,621 $23K
Brevan Howard Capital Management LP 0.00% Add +0.0% 10,202 $22K
Teacher Retirement System of Texas 0.00% Reduce -29.7% 10,167 $22K
Allworth Financial LP 0.00% Add +1603.4% 10,084 $22K
Prestige Wealth Management Group LLC 0.00% New 7,750 $17K
Federated Hermes, Inc. 0.00% New 7,522 $16K
Tower Research Capital LLC (TRC) 0.00% Reduce -67.9% 7,474 $16K
Operose Advisors LLC 0.00% New 6,274 $14K
VSM Wealth Advisory, LLC 0.00% Add +103.3% 6,100 $13K
Arax Advisory Partners 0.00% New 5,725 $13K
MCF Advisors LLC 0.00% No change 5,540 $12K
Nisa Investment Advisors, LLC 0.00% Add +4.0% 5,456 $12K
Rockefeller Capital Management L.P. 0.00% Reduce -52.7% 4,814 $11K
Royal Bank of Canada 0.00% Add +67366.7% 4,048 $9K
Federation des caisses Desjardins du Quebec 0.00% Add +300.0% 4,000 $9K
Pacer Advisors, Inc. 0.00% New 3,175 $7K
Silver Grove Financial Group, Inc. 0.00% New 3,004 $7K
Sterling Capital Management LLC 0.00% Add +8.1% 2,642 $6K
True Wealth Design, LLC 0.00% New 1,557 $3K
Essential Partners LLC 0.00% Add +16744.4% 1,516 $3K
Fortitude Family Office, LLC 0.00% Reduce -22.7% 1,481 $3K
Farther Finance Advisors, LLC 0.00% Add +93.0% 1,264 $3K
EverSource Wealth Advisors, LLC 0.00% Reduce -81.9% 1,114 $2K
SJS Investment Consulting Inc. 0.00% Add +2907.4% 812 $2K
Clearstead Advisors, LLC 0.00% New 783 $2K
Rothschild Investment LLC 0.00% Add +174.2% 765 $2K
Wealth Enhancement Trust Services, Inc. 0.00% New 740 $2K
Truvestments Capital LLC 0.00% New 614 $1K
Optiver Holding B.V. 0.00% Reduce -57.5% 568 $1K
Picton Mahoney Asset Management 0.00% New 467 $1K
GAMMA Investing LLC 0.00% Add +97.3% 442 $968
National Bank of Canada 0.00% Add +27.7% 300 $654
Zions Bancorporation, National Association 0.00% New 288 $631
Marshall & Sterling Wealth Advisors Inc. 0.00% No change 200 $438
SBI Securities Co., Ltd. 0.00% Reduce -2.2% 180 $394
Larson Financial Group LLC 0.00% Add +304.4% 93 $204
JPL Wealth Management, LLC 0.00% New 89 $195
Smartleaf Asset Management LLC 0.00% No change 69 $149
Steward Partners Investment Advisory, LLC 0.00% New 2 $4
Freestone Grove Partners LP 0.00% New 1 $2

"% of holder's portfolio" is CMPX's weight in each manager's 13F, not the share of Compass Therapeutics Inc. the manager owns.