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Security record

CMPX

Compass Therapeutics, Inc. · Healthcare · Biotechnology

0.993 +1.0% mkt cap $178.83M quote delayed (FMP) · as of Oct 11 03:53 UTC — separate from filing data below

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
80Tracked holders
+4Δ holders
68.60MShares held
$150.73MReported value
+11New positions
−7Exits
Strongly Rising 5 quarters of rising tracked shares ●●●●●○ How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth +5.3% · share flow +15.7% · net new positions +5.0% — formula
Broad accumulation — rising shares across more holders

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q2 2026 80 +4 68.60M $150.73M +11 −7
Q1 2026 79 +9 59.45M $314.31M +12 −3
Q4 2025 70 +2 49.56M $266.12M +3 −1
Q3 2025 15 0 39.02M $136.56M +1 −1
Q2 2025 12 +1 25.65M $66.69M +1 —
Q1 2025 8 +1 9.48M $18.01M +1 —
Q4 2024 7 -1 10.74M $15.57M — −1
Q3 2024 7 -1 14.12M $25.99M — −1
Q2 2024 8 — 14.75M $14.75M — —
Holder count
Who holds it · Q2 2026
#ManagerSharesΔ sharesValueTheir weightHeld
1 BlackRock ✦ (passive) 11.28M +18.7% $24.71M 0.0% ▲ Add 5 SEC ↗ ×8
2 State Street Global Advisors ✦ (passive) 9.95M +48.7% $21.80M 0.0% ▲ Add 7 SEC ↗
3 Vanguard Capital Management Llc 6.12M +1.4% $13.40M 0.0% ▲ Add 2 SEC ↗
4 Millennium Management ✦ 4.71M +457.0% $10.32M 0.0% ▲ Add 9 SEC ↗
5 Geode Capital Management ✦ (passive) 3.82M +7.0% $8.36M 0.0% ▲ Add 9 SEC ↗ ×2
6 Qube Research & Technologies Ltd 3.69M +44.6% $8.08M 0.0% ▲ Add 3 SEC ↗
7 Citadel Advisors ✦ 3.57M +395.0% $7.82M 0.0% ▲ Add 4 SEC ↗ ×2
8 Goldman Sachs Group ✦ 3.53M +77.0% $7.73M 0.0% ▲ Add 4 SEC ↗ ×4
9 AQR Capital Management ✦ 3.51M +1650.8% $7.69M 0.0% ▲ Add 5 SEC ↗ ×7
10 Fisher Asset Management ✦ 1.39M +3.2% $3.05M 0.0% ▲ Add 2 SEC ↗
11 Fidelity (FMR) ✦ 1.21M -32.7% $2.65M 0.0% ▼ Trim 5 SEC ↗
12 Adage Capital Partners ✦ 1.19M -86.0% $2.60M 0.0% ▼ Trim 9 SEC ↗
13 Northern Trust Corp 1.14M +8.8% $2.50M 0.0% ▲ Add 3 SEC ↗ ×4
14 Nuveen, LLC 1.01M +247.3% $2.21M 0.0% ▲ Add 3 SEC ↗ ×3
15 Squarepoint Ops LLC 1.01M +1906.9% $2.21M 0.0% ▲ Add 3 SEC ↗
16 First Trust Advisors Lp 807.00K New $1.77M 0.0% New 1 SEC ↗
17 JPMorgan Chase ✦ 789.40K -6.9% $1.71M 0.0% ▼ Trim 4 SEC ↗ ×3
18 Morgan Stanley ✦ 735.19K +104.0% $1.61M 0.0% ▲ Add 4 SEC ↗ ×6
19 Citigroup Inc 713.91K +19.3% $1.56M 0.0% ▲ Add 3 SEC ↗ ×2
20 UBS Group AG 712.76K -70.2% $1.56M 0.0% ▼ Trim 3 SEC ↗
21 Point72 Asset Management ✦ 686.58K New $1.50M 0.0% New 1 SEC ↗
22 Bank Of America Corp /De/ 566.92K -34.5% $1.24M 0.0% ▼ Trim 3 SEC ↗ ×3
23 Dimensional Fund Advisors Lp 541.18K +23.1% $1.18M 0.0% ▲ Add 3 SEC ↗ ×4
24 Connor, Clark & Lunn Investment… 523.78K +5.2% $1.15M 0.0% ▲ Add 3 SEC ↗
25 Alliancebernstein L.P. 161.88K +92.8% $856,345 0.0% ▲ Add 3 SEC ↗
26 Wellington Management ✦ 378.69K +5.2% $829,324 0.0% ▲ Add 6 SEC ↗ ×3
27 Bank of New York Mellon Corp 351.03K +18.1% $768,760 0.0% ▲ Add 3 SEC ↗ ×3
28 Marshall Wace ✦ 334.87K New $733,364 0.0% New 1 SEC ↗ ×2
29 Two Sigma Investments ✦ 320.31K +867.7% $701,483 0.0% ▲ Add 2 SEC ↗
30 Susquehanna International Group, Llp 308.30K +96.3% $675,166 0.0% ▲ Add 3 SEC ↗
31 Charles Schwab Investment… 303.14K -18.3% $663,874 0.0% ▼ Trim 3 SEC ↗
32 D. E. Shaw & Co. ✦ 204.49K +210.0% $447,827 0.0% ▲ Add 3 SEC ↗ ×2
33 Creative Planning 182.84K +72.2% $400,421 0.0% ▲ Add 3 SEC ↗ ×2
34 UBS AM, a distinct business unit of… 177.81K +27.3% $389,413 0.0% ▲ Add 2 SEC ↗ ×3
35 Mariner, LLC 172.82K New $378,432 0.0% New 1 SEC ↗
36 Swiss National Bank 171.70K -22.2% $376,023 0.0% ▼ Trim 2 SEC ↗
37 Hrt Financial Lp 170.10K +756.9% $372,000 0.0% ▲ Add 2 SEC ↗
38 Canada Pension Plan Investment Board 160.90K +541.0% $352,371 0.0% ▲ Add 3 SEC ↗
39 Rhumbline Advisers 158.44K +7.8% $346,984 0.0% ▲ Add 3 SEC ↗
40 Deutsche Bank Ag\ 134.35K +0.8% $294,226 0.0% ▲ Add 3 SEC ↗ ×2
41 Wells Fargo & Company/Mn 109.79K +130.0% $240,447 0.0% ▲ Add 3 SEC ↗
42 Mercer Global Advisors Inc /Adv 106.57K New $233,388 0.0% New 1 SEC ↗
43 T. Rowe Price ✦ 104.25K +4.8% $229,000 0.0% ▲ Add 9 SEC ↗
44 Tudor Investment Corp Et Al 90.04K +1.2% $197,196 0.0% ▲ Add 2 SEC ↗
45 Wealth Enhancement Advisory… 83.57K New $194,711 0.0% New 1 SEC ↗
46 MIRAE ASSET GLOBAL ETFS HOLDINGS… 82.46K +11.3% $179,923 0.0% ▲ Add 3 SEC ↗ ×2
47 Group One Trading Llc 81.56K +169.8% $178,610 0.0% ▲ Add 3 SEC ↗
48 Cerity Partners LLC 80.97K New $177,332 0.0% New 1 SEC ↗ ×3
49 Legal & General Group Plc 75.10K 0.0% $164,474 0.0% Held 3 SEC ↗ ×3
50 Invesco Ltd. 69.82K -31.0% $152,901 0.0% ▼ Trim 3 SEC ↗ ×4
51 Manufacturers Life Insurance… 68.22K +1.1% $149,395 0.0% ▲ Add 3 SEC ↗
52 Jane Street Group, Llc 59.95K New $131,301 0.0% New 1 SEC ↗
53 Simplex Trading, Llc 57.79K +123.5% $126,560 0.0% ▲ Add 3 SEC ↗
54 Focus Partners Wealth 53.12K +271.7% $116,335 0.0% ▲ Add 3 SEC ↗
55 Russell Investments Group, Ltd. 50.51K +363.4% $110,606 0.0% ▲ Add 3 SEC ↗ ×2
56 Barclays Plc 50.40K -93.6% $110,368 0.0% ▼ Trim 3 SEC ↗ ×2
57 Zurcher Kantonalbank (Zurich… 43.91K 0.0% $96,172 0.0% Held 2 SEC ↗
58 State Of Wisconsin Investment Board 43.58K -78.2% $95,438 0.0% ▼ Trim 3 SEC ↗
59 Osaic Holdings, Inc. 41.97K +185.9% $91,904 0.0% ▲ Add 3 SEC ↗ ×3
60 Bnp Paribas Financial Markets 35.63K -0.4% $78,032 0.0% ▼ Trim 3 SEC ↗
61 Captrust Financial Advisors 32.61K +50.4% $71,414 0.0% ▲ Add 3 SEC ↗
62 LPL Financial LLC 31.47K -11.3% $68,919 0.0% ▼ Trim 3 SEC ↗
63 New York State Common Retirement… 30.41K 0.0% $66,591 0.0% Held 3 SEC ↗
64 Voya Investment Management Llc 27.07K -92.8% $59,281 0.0% ▼ Trim 3 SEC ↗
65 Walleye Trading LLC 25.00K 0.0% $54,750 0.0% Held 3 SEC ↗
66 Prudential Financial Inc 21.72K -95.6% $47,567 0.0% ▼ Trim 3 SEC ↗
67 Sei Investments Co 21.55K New $47,201 0.0% New 1 SEC ↗ ×2
68 Neuberger Berman Group LLC 19.79K +21.0% $43,344 0.0% ▲ Add 3 SEC ↗
69 ProShare Advisors LLC 17.17K -8.2% $37,596 0.0% ▼ Trim 3 SEC ↗
70 Victory Capital Management Inc 14.81K +7.8% $32,425 0.0% ▲ Add 3 SEC ↗
71 Pictet Asset Management Holding SA 14.43K 0.0% $31,606 0.0% Held 2 SEC ↗
72 Stifel Financial Corp 14.21K -48.3% $31,122 0.0% ▼ Trim 3 SEC ↗ ×2
73 Blair William & Co/Il 12.19K -60.4% $26,687 0.0% ▼ Trim 2 SEC ↗
74 Pnc Financial Services Group, Inc. 10.94K -0.9% $23,956 0.0% ▼ Trim 3 SEC ↗ ×3
75 Federated Hermes, Inc. 7.52K New $16,473 0.0% New 1 SEC ↗
76 Rockefeller Capital Management L.P. 4.81K -52.7% $10,543 0.0% ▼ Trim 3 SEC ↗ ×2
77 Royal Bank Of Canada 4.05K +67366.7% $9,000 0.0% ▲ Add 3 SEC ↗ ×3
78 Pacer Advisors, Inc. 3.17K New $7,000 0.0% New 1 SEC ↗
79 Optiver Holding B.V. 568 -57.5% $1,244 0.0% ▼ Trim 3 SEC ↗
80 National Bank Of Canada /Fi/ 300 +27.7% $654 0.0% ▲ Add 3 SEC ↗

“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.

New buyers

First Trust Advisors Lp $1.77M 0.0%
Point72 Asset Management $1.50M 0.0%
Marshall Wace $733,364 0.0%
Mariner, LLC $378,432 0.0%
Mercer Global Advisors Inc… $233,388 0.0%
Wealth Enhancement Advisory… $194,711 0.0%
Cerity Partners LLC $177,332 0.0%
Jane Street Group, Llc $131,301 0.0%
Sei Investments Co $47,201 0.0%
Federated Hermes, Inc. $16,473 0.0%
Pacer Advisors, Inc. $7,000 0.0%

Exited

Ameriprise Financial Inc $8.45M was 0.0%
Balyasny Asset Management L.P. $5.92M was 0.0%
Tidal Investments LLC $731,480 was 0.0%
Raymond James Financial Inc $644,793 was 0.0%
American Century Companies Inc $414,355 was 0.0%
Franklin Resources Inc $352,351 was 0.0%
Us Bancorp \De\ $407 was 0.0%

Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 199 holders, 172.39M shares, $913.59M reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.

Frequently co-owned

What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.

Insider transactions

Open-market purchases (P)

Oct 01 Lerner Neil

Officer · Chief Accounting… · 20.00K sh @ 0.92 · $18,400

Sep 24 Lerner Neil

Officer · Chief Accounting… · 2.50K sh @ 1.14 · $2,850

Open-market sales (S)

No open-market insider sales in our coverage window.

Awards, exercises and tax withholding are never counted as buys or sales here. Methodology

Beneficial ownership
Aug 14 SC 13G/A — Vivo Opportunity Fund Holdings, L.P.

View original SEC filing ↗

Aug 07 SC 13G — STATE STREET CORP

View original SEC filing ↗

Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR. Reporting period: Q2 2026 · Methodology · Get this via the API