Compass Therapeutics, Inc.

CMPXNASDAQ

$1.00+0.04 (+3.85% today)

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

Compass Therapeutics, Inc. price and activity chart data

Showing the 1Y range: Oct 6, 2025 to Oct 6, 2026. Price (-72.8%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
Tang Capital Management LLC	9.99%	$39.4M	1.79%	Add 7.15%
Orbimed Advisors LLC	8.45%	$33.3M	0.62%	Not reported
Montanova Capital, LLC	7.83%	$30.9M	0.56%	Reduce 1.44%
BlackRock, Inc.	6.26%	$24.7M	0.00%	Not reported
State Street Corp	5.53%	$21.8M	0.00%	Not reported
Enavate Sciences GP, LLC	4.32%	$17.1M	4.94%	Not reported
Vivo Capital, LLC	4.31%	$17M	1.55%	Reduce 18.74%
Vanguard Capital Management LLC	3.40%	$13.4M	0.00%	Not reported
Palo Alto Investors LP	3.24%	$12.8M	1.76%	Add 285.06%
Millennium Management LLC	2.62%	$10.3M	0.00%	Not reported
Geode Capital Management, LLC	2.12%	$8.36M	0.00%	Not reported
Vanguard Portfolio Management LLC	2.09%	$8.26M	0.00%	Not reported
Qube Research & Technologies Ltd	2.05%	$8.08M	0.01%	Not reported
Blue Owl Capital Holdings LP	2.01%	$7.94M	1.19%	Not reported
Citadel Advisors LLC	1.98%	$7.82M	0.00%	Not reported
Goldman Sachs Group Inc	1.96%	$7.73M	0.00%	Not reported
Rock Springs Capital Management LP	1.96%	$7.72M	0.38%	Add 6.64%
AQR Capital Management LLC	1.95%	$7.69M	0.00%	Not reported
Birchview Capital, LP	0.93%	$3.67M	1.72%	Add 14.27%
Kingdon Capital Management, L.L.C.	0.78%	$3.07M	0.31%	New Not reported
Fisher Asset Management, LLC	0.77%	$3.05M	0.00%	Add 3.24%
Royce & Associates LP	0.74%	$2.93M	0.02%	Not reported
FMR LLC	0.67%	$2.65M	0.00%	Not reported
Adage Capital Partners GP, L.L.C.	0.66%	$2.6M	0.00%	Reduce 86.02%
Acadian Asset Management LLC	0.64%	$2.54M	0.00%	Not reported
Northern Trust Corp	0.63%	$2.5M	0.00%	Not reported
Atle Fund Management AB	0.58%	$2.3M	0.62%	Add 2406.74%
Nuveen, LLC	0.56%	$2.21M	0.00%	Not reported
Squarepoint Ops LLC	0.56%	$2.21M	0.00%	Not reported
Vanguard Fiduciary Trust Co	0.56%	$2.19M	0.00%	Not reported
Blackstone Inc.	0.50%	$1.97M	0.01%	Not reported
First Trust Advisors LP	0.45%	$1.77M	0.00%	Not reported
JPMorgan Chase & Co	0.44%	$1.71M	0.00%	Not reported
KVP Capital Advisors, LP	0.43%	$1.69M	1.24%	Add 54.20%
Morgan Stanley	0.41%	$1.61M	0.00%	Not reported
Citigroup Inc	0.40%	$1.56M	0.00%	Not reported
UBS Group AG	0.40%	$1.56M	0.00%	Not reported
Burkehill Global Management, LP	0.39%	$1.53M	0.06%	Not reported
Point72 Asset Management, L.P.	0.38%	$1.5M	0.00%	Not reported
Acuta Capital Partners, LLC	0.33%	$1.3M	0.91%	Reduce 29.90%
Bank of America Corp	0.31%	$1.24M	0.00%	Not reported
Dimensional Fund Advisors LP	0.30%	$1.18M	0.00%	Not reported
Artia Global Partners LP	0.21%	$839K	0.15%	New Not reported
Wellington Management Group LLP	0.21%	$829K	0.00%	Add 5.15%
ArrowMark Colorado Holdings LLC	0.20%	$799K	0.03%	Reduce 29.15%
Bank of New York Mellon Corp	0.19%	$769K	0.00%	Not reported
Marshall Wace, LLP	0.19%	$733K	0.00%	Not reported
Two Sigma Investments, LP	0.18%	$701K	0.00%	Not reported
Susquehanna International Group, LLP	0.17%	$675K	0.00%	Not reported
Algert Global LLC	0.17%	$675K	0.01%	Not reported

50 of 203 holders

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