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Compass Therapeutics, Inc.

CMPX
Exchange
Nasdaq
Industry
Biological Products, (No Diagnostic Substances)
SEC CIK
0001738021

In the last 90 days, Compass Therapeutics, Inc. insiders filed 1 open-market purchase and 0 sales; 215 institutions reported holding it in 13F filings for Q2 2026, worth $363.4M in total; no superinvestor holds it.

Q2 2026 vs. Q1 2026

How the institutions holding Compass Therapeutics, Inc. changed between Q1 2026 and Q2 2026.

All holders in Q2 2026All holders in Q1 2026

13F holders of CMPX: Q1 2026 compared with Q2 2026
MeasureQ1 2026Of which not filed for Q2 2026Q2 2026Change
Holders2013215+17
Shares173.7M59.9K165.7M−7.90M (−4.6%)
Value$921.3M$316.7K$363.4M−$557.7M (−60.5%)

3 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (64)

Institutions that held Compass Therapeutics, Inc. at the end of Q2 2026 but not at the end of Q1 2026.

Institutions new to CMPX in Q2 2026
InstitutionSharesValue% of portfolio
Kingdon Capital Management, L.L.C.1,400,000$3.07M0.41%
Acadian Asset Management LLC1,161,231$2.54M0.00%
First Trust Advisors LP807,004$1.77M0.00%
Point72 Asset Management, L.P.686,577$1.50M0.00%
CM Management, LLC550,000$1.20M0.77%
Artia Global Partners LP383,200$839.2K0.16%
Marshall Wace, LLP334,869$733.4K0.00%
Natixis297,715$652.0K0.00%
Exome Asset Management LLC276,165$604.8K0.37%
Caption Management, LLC263,577$577.2K0.02%
DV Equities, LLC233,066$510.4K0.07%
Panagora Asset Management Inc222,179$486.6K0.00%
Brinker Capital Investments, LLC213,863$468.4K0.00%
Mariner, LLC172,821$378.4K0.00%
Ieq Capital, LLC122,948$269.3K0.00%
Mercer Global Advisors Inc106,570$233.4K0.00%
Los Angeles Capital Management LLC105,113$230.2K0.00%
Wealth Enhancement Advisory Services, LLC83,567$194.7K0.00%
Jain Global LLC88,302$193.4K0.00%
Cerity Partners LLC80,973$177.3K0.00%
Sound Capital Solutions LLC80,160$175.6K0.04%
Gsa Capital Partners LLP70,179$154.0K0.01%
Wealthcare Advisory Partners LLC60,962$133.5K0.00%
Jane Street Group, LLC59,955$131.3K0.00%
Jupiter Topco LLC55,600$121.5K0.00%
Virginia Retirement Systems Et Al32,300$70.7K0.00%
Betterment LLC30,143$66.0K0.00%
Two Sigma Securities, LLC29,451$64.5K0.01%
Florida Financial Advisors, LLC28,586$62.6K0.01%
Winton Group Ltd24,900$54.5K0.00%
Merit Financial Group, LLC23,674$51.8K0.00%
nVerses Capital, LLC23,330$51.1K0.08%
SEI Investments Co21,552$47.2K0.00%
Arkadios Wealth Advisors21,464$47.0K0.00%
ACT Advisors, LLC.20,613$45.1K0.02%
Apollon Wealth Management, LLC19,687$43.1K0.00%
Wealthcare Capital Partners, LLC19,654$43.0K0.02%
Brighton Jones LLC18,317$40.1K0.00%
McAdam, LLC16,494$36.1K0.00%
Jupiter Asset Management Ltd16,270$35.6K0.00%
Chicago Partners Investment Group LLC16,257$34.5K0.00%
Centiva Capital, LP14,432$31.6K0.00%
StoneX Group Inc.15,000$31.0K0.00%
State of Wyoming14,065$30.8K0.00%
HB Wealth Management, LLC13,058$28.6K0.00%
Belpointe Asset Management LLC13,025$28.5K0.00%
Fortis Capital Advisors, LLC13,025$28.5K0.00%
SummitTX Capital, L.P.12,000$26.3K0.00%
Crewe Advisors LLC11,696$25.6K0.00%
Prestige Wealth Management Group LLC7,750$17.0K0.00%
Federated Hermes, Inc.7,522$16.5K0.00%
Operose Advisors LLC6,274$13.7K0.00%
SRS Capital Advisors, Inc.5,725$12.5K0.00%
Pacer Advisors, Inc.3,175$7.00K0.00%
Silver Grove Financial Group, Inc.3,004$6.58K0.00%
True Wealth Design, LLC1,557$3.41K0.00%
Clearstead Advisors, LLC783$1.72K0.00%
Wealth Enhancement Trust Services, Inc.740$1.62K0.00%
Truvestments Capital LLC614$1.34K0.00%
Picton Mahoney Asset Management467$1.02K0.00%
Zions Bancorporation, National Association288$6310.00%
JPL Wealth Management, LLC89$1950.00%
Steward Partners Investment Advisory, LLC2$40.00%
Freestone Grove Partners LP1$20.00%

Sold out (47)

Institutions that held Compass Therapeutics, Inc. at the end of Q1 2026 and filed for Q2 2026 without it.

Institutions that sold out of CMPX in Q2 2026
InstitutionShares, Q1 2026Value, Q1 2026
BVF Inc7,764,842$41.1M
RTW Investments, LP4,186,599$22.1M
Deerfield Management Company, L.P. (Series C)3,606,000$19.1M
Logos Global Management LP3,150,000$16.7M
Sofinnova Investments, Inc.2,056,161$10.9M
Braidwell LP1,965,106$10.4M
Ameriprise Financial Inc1,596,815$8.45M
Great Point Partners LLC1,350,000$7.14M
Balyasny Asset Management LLC1,119,090$5.92M
Silverarc Capital Management, LLC859,049$4.54M
NEXTBio Capital Management LP848,204$4.49M
Y-Intercept (Hong Kong) Ltd828,879$4.38M
DV Trading LLC423,566$2.24M
Trexquant Investment LP421,831$2.23M
Jump Financial, LLC371,400$1.96M
Atom Investors LP344,933$1.82M
Monashee Investment Management LLC258,865$1.37M
Toroso Investments, LLC138,276$731.5K
Tema ETFs LLC138,276$731.5K
Raymond James Financial Inc121,889$644.8K
Rhenman & Partners Asset Management AB115,113$608.9K
Harvest Investment Services, LLC87,652$463.7K
American Century Companies Inc78,328$414.4K
DRW Securities, LLC76,493$404.6K
Aquatic Capital Management LLC73,338$388.0K
Persistent Asset Partners Ltd72,193$381.9K
Franklin Resources Inc66,607$352.4K
Cinctive Capital Management LP48,740$257.8K
Landscape Capital Management, L.L.C.35,923$190.0K
Jacobs Levy Equity Management, Inc30,655$162.2K
VARCOV Co.30,401$160.8K
PSP Research LLC30,000$158.7K
EntryPoint Capital, LLC29,265$154.8K
Prelude Capital Management, LLC18,000$95.2K
Cygnus Capital Advisors, LLC18,000$95.0K
Scientech Research LLC16,669$88.2K
Invst, LLC16,000$84.6K
Magnetar Financial LLC13,045$69.0K
Abel Hall, LLC10,524$55.7K
Stonebrook Private Inc.10,365$54.8K
Parallel Advisors, LLC5,250$27.8K
Quadrant Capital Group LLC405$2.14K
US Bancorp77$407
Stone House Investment Management, LLC15$79
IFP Advisors, Inc6$32
Hughes Financial Services, LLC3$16
Basecamp Wealth Advisors LLC1$5

Not filed for Q2 2026 yet (3)

Institutions that held Compass Therapeutics, Inc. at the end of Q1 2026 and haven't filed a 13F for Q2 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding CMPX in Q1 2026 that haven't filed for Q2 2026
InstitutionShares, Q1 2026Value, Q1 2026
Janus Henderson Group PLC55,600$293.8K
CWM, LLC4,317$22.8K
Sunbelt Securities, Inc.8$42