13F

Stock

Compass Therapeutics, Inc.

CMPX · held by 173 managers

Reported value

$879.6M

Holders

173

+4 new · −2 exited

Holders’ est. mark

$906K

Price effect on 7 books still in the name

Largest holder

$90.2M

TANG CAPITAL MANAGEMENT LLC

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
TANG CAPITAL MANAGEMENT LLC16.8M$90.2MHeld
ORBIMED ADVISORS LLC15.2M$81.7MHeld
SUVRETTA CAPITAL MANAGEMENT, LLC14.2M$76.2MHeld
Vivo Capital, LLC9.55M$51.3MHeld
BlackRock, Inc.9.39M$50.4MHeld
Vanguard8.05M$43.2MHeld
ENAVATE SCIENCES GP, LLC7.79M$41.8MHeld
BVF INC/IL7.76M$41.7MHeld
Blackstone Inc.6.13M$32.9MNew
State Street4.89M$26.3MHeld
ADAGE CAPITAL PARTNERS GP, L.L.C.4.44M$23.8MHeld
Rock Springs Capital Management LP3.93M$21.1MHeld
DEERFIELD MANAGEMENT COMPANY, L.P.3.61M$19.4MHeld
GEODE CAPITAL MANAGEMENT, LLC3.5M$18.8MHeld
Blue Owl Capital Holdings LP3.47M$18.6MHeld
Sofinnova Investments, Inc.3.37M$18.1MHeld
MILLENNIUM MANAGEMENT LLC3.11M$16.7MHeld
BRAIDWELL LP2.79M$15MHeld
Fidelity2.58M$13.9MHeld
Palo Alto Investors LP2.53M$13.6MHeld
RTW INVESTMENTS, LP2.5M$13.4MHeld
Balyasny Asset Management L.P.1.59M$8.56MHeld
Birchview Capital, LP1.59M$8.55MHeld
GOLDMAN SACHS GROUP INC1.52M$8.15MHeld
Trails Edge Capital Partners, LP1.42M$7.6MHeld
MARSHALL WACE, LLP1.26M$6.79MHeld
Logos Global Management LP1.15M$6.18MHeld
NEXTBio Capital Management LP1.11M$5.98MHeld
ACUTA CAPITAL PARTNERS, LLC1.09M$5.87MHeld
SILVERARC CAPITAL MANAGEMENT, LLC1.05M$5.65MHeld
Monashee Investment Management LLC1M$5.37MHeld
NORTHERN TRUST CORP972.9K$5.22MHeld
JPMORGAN CHASE & CO870K$4.67MHeld
AMERIPRISE FINANCIAL INC823.2K$4.42MHeld
Ikarian Capital, LLC800K$4.3MHeld
BURKEHILL GLOBAL MANAGEMENT, LP700K$3.76MHeld
BARCLAYS PLC594.8K$3.19M$415.9KAdded$2.42M
Atle Fund Management AB584.3K$3.14MHeld
Seven Fleet Capital Management LP568.7K$3.05MHeld
Y-Intercept (Hong Kong) Ltd462.2K$2.48MHeld
Schonfeld Strategic Advisors LLC452.4K$2.43MHeld
Qube Research & Technologies Ltd441.8K$2.37MHeld
CHARLES SCHWAB INVESTMENT MANAGEMENT INC410.2K$2.2MHeld
MORGAN STANLEY365.2K$1.96M$349.6KAdded$1.31M
DIMENSIONAL FUND ADVISORS LP341.6K$1.83MHeld
WELLINGTON MANAGEMENT GROUP LLP316.8K$1.7MHeld
PRUDENTIAL FINANCIAL INC314.8K$1.69MHeld
Bank of New York Mellon Corp312.5K$1.68MHeld
Nuveen, LLC288.9K$1.55MHeld
ROYCE & ASSOCIATES LP286K$1.54MHeld
BANK OF AMERICA CORP /DE/266.4K$1.43M$138KAdded$1.17M
CITIGROUP INC261.9K$1.41MHeld
HighVista Strategies LLC245.5K$1.32MHeld
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP210.2K$1.13MHeld
BOOTHBAY FUND MANAGEMENT, LLC205K$1.1MHeld
Connor, Clark & Lunn Investment Management Ltd.191.7K$1.03MHeld
STATE OF WISCONSIN INVESTMENT BOARD185.4K$995.7KHeld
UBS Group AG167.9K$901.4KHeld
Icahn Capital155.2K$833.5KHeld
Rafferty Asset Management, LLC151.7K$814.9KHeld
ALPS ADVISORS INC146K$784.2KHeld
WELLS FARGO & COMPANY/MN144.8K$777.6KHeld
ADAR1 Capital Management, LLC139K$746.4KHeld
RHUMBLINE ADVISERS134.6K$722.8KHeld
Squarepoint Ops LLC126.2K$677.7KHeld
Brevan Howard Capital Management LP118.5K$636.5KHeld
XTX Topco Ltd115.6K$621KHeld
DEUTSCHE BANK AG\109.3K$586.8KHeld
Creative Planning108.1K$580.7KHeld
Citadel105.7K$567.5KHeld
NEOS Investment Management LLC101.7K$546KHeld
TEMA ETFS LLC100.2K$537.9KHeld
CM Management, LLC100K$537KHeld
ALLIANCEBERNSTEIN L.P.83.9K$450.8KHeld
SummitTX Capital, L.P.81.4K$437.4KHeld
RAYMOND JAMES FINANCIAL INC80.1K$430.4KHeld
Atom Investors LP77.3K$415KHeld
MetLife Investment Management, LLC74K$397.3KHeld
JANE STREET GROUP, LLC70.1K$376.2KHeld
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.69.6K$373.7KHeld
FRANKLIN RESOURCES INC66.6K$357.7KHeld
Invesco Ltd.63.9K$343.1KHeld
Persistent Asset Partners Ltd57.3K$307.4KNew
PROFUND ADVISORS LLC57.2K$307.4KHeld
Graham Capital Management, L.P.53.4K$286.9KHeld
Virtus Investment Advisers, LLC51.6K$276.9KHeld
D. E. Shaw & Co., Inc.51.5K$276.5KHeld
SUSQUEHANNA INTERNATIONAL GROUP, LLP44.7K$240.3KHeld
LPL Financial LLC44.5K$238.8KHeld
AXQ CAPITAL, LP41.4K$222.2KHeld
AMERICAN CENTURY COMPANIES INC40.4K$217KHeld
MANUFACTURERS LIFE INSURANCE COMPANY, THE40.3K$216.5KHeld
INTECH INVESTMENT MANAGEMENT LLC38.9K$209.1KHeld
Police & Firemen's Retirement System of New Jersey35.5K$190.7KHeld
SmartHarvest Portfolios, LLC34.7K$186.4KHeld
Simplicity Wealth,LLC33.9K$181.9KHeld
NEW YORK STATE COMMON RETIREMENT FUND30.4K$163.3KHeld
CAXTON CORP29.5K$158.4KHeld
Avanza Fonder AB27.3K$146.9KHeld
Walleye Trading LLC25K$134.3KHeld
Caitong International Asset Management Co., Ltd24.6K$132KHeld
DV Trading LLC24.2K$130KHeld
STIFEL FINANCIAL CORP24K$128.7KHeld
ProShare Advisors LLC24K$128.7KHeld
Abel Hall, LLC22.9K$122.9KHeld
INDEPENDENT FINANCIAL GROUP, LLC22.8K$122.3KNew
VOYA INVESTMENT MANAGEMENT LLC22.6K$121.5KHeld
CAPTRUST FINANCIAL ADVISORS20.8K$111.9KHeld
Welch & Forbes LLC19K$102KHeld
Focus Partners Wealth18.6K$99.9KHeld
Independent Advisor Alliance17.9K$96.1KHeld
SIG BROKERAGE, LP17.1K$91.7KHeld
Sequoia Financial Advisors, LLC15.9K$85.4KHeld
BNP PARIBAS FINANCIAL MARKETS15.6K$84KHeld
TWO SIGMA ADVISERS, LP15.2K$81.6KHeld
CANADA PENSION PLAN INVESTMENT BOARD14.9K$80KHeld
M&T Bank Corp14.9K$80KHeld
VICTORY CAPITAL MANAGEMENT INC14.3K$76.8KHeld
EntryPoint Capital, LLC13.2K$70.7KHeld
NEUBERGER BERMAN GROUP LLC12.8K$68.8KHeld
Legal & General Group Plc12.8K$68.5KHeld
North Star Investment Management Corp.12.5K$67.1KHeld
Quadrature Capital Ltd12.3K$66KHeld
Strategic Wealth Partners, Ltd.12.1K$65KHeld
Russell Investments Group, Ltd.11.6K$62.1KHeld
Ameritas Investment Partners, Inc.10.6K$57KHeld
Stonebrook Private Inc.10.2K$54.9KHeld
XPONANCE LLC10.2K$54.8KHeld
PRELUDE CAPITAL MANAGEMENT, LLC10K$53.7KHeld
SIMPLEX TRADING, LLC8.91K$47.9KHeld
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM8.06K$43.3KHeld
FLAGSHIP HARBOR ADVISORS, LLC6K$32.2KNew
MCF Advisors LLC5.54K$29.8KHeld
NISA INVESTMENT ADVISORS, LLC5.25K$28.2KHeld
GROUP ONE TRADING LLC5.24K$28.2KHeld
Fortitude Family Office, LLC4.59K$24.7KHeld
EverSource Wealth Advisors, LLC4.37K$23.5KHeld
ROYAL BANK OF CANADA3.82K$21KHeld
Sterling Capital Management LLC3.83K$20.6KHeld
VSM Wealth Advisory, LLC3K$16.1KHeld
Rockefeller Capital Management L.P.2.04K$11KHeld
Cape Investment Advisory, Inc.2K$10.8K$2.46KAdded$6.14K
Tower Research Capital LLC (TRC)1.7K$9.12KHeld
Optiver Holding B.V.1.1K$5.89KHeld
Farther Finance Advisors, LLC680$3.65KHeld
Federation des caisses Desjardins du Quebec500$2.69KHeld
PNC Financial Services Group, Inc.413$2.22KHeld
QUADRANT CAPITAL GROUP LLC405$2.17KHeld
NATIONAL BANK OF CANADA /FI/242$1.3KHeld
SBI Securities Co., Ltd.237$1.27KHeld
Marshall & Sterling Wealth Advisors Inc.200$1.07KHeld
ROTHSCHILD INVESTMENT LLC164$881Held
GSA CAPITAL PARTNERS LLP133.8K$719Held
SG Americas Securities, LLC106.5K$572Held
PRICE T ROWE ASSOCIATES INC /MD/70.5K$379Held
Smartleaf Asset Management LLC69$371Held
OSAIC HOLDINGS, INC.57$306Held
CIBC Private Wealth Group LLC38$204Held
GAMMA Investing LLC29$156Held
SJS Investment Consulting Inc.27$145Held
MAI Capital Management24$129Held
Allworth Financial LP20$108$8Added$94
Arax Advisory Partners18$97Held
ROVIN CAPITAL /UT/ /ADV13.5K$72Held
Cygnus Capital Advisors, LLC10K$54Held
Essential Partners LLC9$48$16Cut−$19
Sunbelt Securities, Inc.8$43Held
IFP Advisors, Inc6$32$11Added$11
ACADIAN ASSET MANAGEMENT LLC4.87K$26Held
AMALGAMATED BANK4.11K$22Held
CWM, LLC3.06K$16Held
Hughes Financial Services, LLC1$5Held
BESSEMER GROUP INC526$3Held

Who left

Positions as of Q4 2025. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.