Security record · archived quarter
CMPX
Compass Therapeutics, Inc. · Healthcare · Biotechnology
70Tracked holders
+2Δ holders
49.56MShares held
$266.12MReported value
+3New positions
−1Exits
Momentum inputs (comparable managers):
holder breadth +2.9% ·
share flow +3.9% ·
net new positions +2.9%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2025
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| 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 | — | — |
Who holds it · Q4 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 9.39M | +27.4% | $50.42M | 0.0% | ▲ Add | 3 | SEC ↗ ×8 |
| 2 | The Vanguard Group ✦ (passive) | 8.05M | +13.9% | $43.22M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 3 | State Street Global Advisors ✦ (passive) | 4.89M | +57.4% | $26.26M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 4 | Adage Capital Partners ✦ | 4.44M | -14.5% | $23.82M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 5 | Geode Capital Management ✦ (passive) | 3.50M | +18.9% | $18.81M | 0.0% | ▲ Add | 7 | SEC ↗ ×2 |
| 6 | Millennium Management ✦ | 3.11M | -4.0% | $16.70M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 7 | Fidelity (FMR) ✦ | 2.58M | -37.6% | $13.85M | 0.0% | ▼ Trim | 3 | SEC ↗ ×3 |
| 8 | Balyasny Asset Management L.P. | 1.59M | — | $8.56M | 0.0% | n/c | 1 | SEC ↗ |
| 9 | Goldman Sachs Group ✦ | 1.52M | +46.0% | $8.15M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 10 | Marshall Wace ✦ | 1.26M | New | $6.79M | 0.0% | New | 1 | SEC ↗ |
| 11 | Northern Trust Corp | 972.93K | — | $5.22M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 12 | JPMorgan Chase ✦ | 870.01K | -78.2% | $4.67M | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 13 | Ameriprise Financial Inc | 823.17K | — | $4.42M | 0.0% | n/c | 1 | SEC ↗ |
| 14 | Barclays Plc | 594.78K | — | $3.19M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 15 | Qube Research & Technologies Ltd | 441.81K | — | $2.37M | 0.0% | n/c | 1 | SEC ↗ |
| 16 | Charles Schwab Investment… | 410.16K | — | $2.20M | 0.0% | n/c | 1 | SEC ↗ |
| 17 | Morgan Stanley ✦ | 365.25K | +95.4% | $1.96M | 0.0% | ▲ Add | 2 | SEC ↗ ×6 |
| 18 | Dimensional Fund Advisors Lp | 341.60K | — | $1.83M | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 19 | Wellington Management ✦ | 316.85K | -0.4% | $1.70M | 0.0% | ▼ Trim | 4 | SEC ↗ ×3 |
| 20 | Prudential Financial Inc | 314.75K | — | $1.69M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 21 | Bank of New York Mellon Corp | 312.48K | — | $1.68M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 22 | Nuveen, LLC | 288.92K | — | $1.55M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 23 | Bank Of America Corp /De/ | 266.43K | — | $1.43M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 24 | Citigroup Inc | 261.88K | — | $1.41M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 25 | Arrowstreet Capital ✦ | 210.25K | New | $1.13M | 0.0% | New | 1 | SEC ↗ |
| 26 | Connor, Clark & Lunn Investment… | 191.72K | — | $1.03M | 0.0% | n/c | 1 | SEC ↗ |
| 27 | State Of Wisconsin Investment Board | 185.42K | — | $995,722 | 0.0% | n/c | 1 | SEC ↗ |
| 28 | UBS Group AG | 167.86K | — | $901,386 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 29 | AQR Capital Management ✦ | 155.22K | +162.4% | $833,521 | 0.0% | ▲ Add | 3 | SEC ↗ ×6 |
| 30 | Wells Fargo & Company/Mn | 144.80K | — | $777,565 | 0.0% | n/c | 1 | SEC ↗ |
| 31 | Rhumbline Advisers | 134.60K | — | $722,822 | 0.0% | n/c | 1 | SEC ↗ |
| 32 | Squarepoint Ops LLC | 126.19K | — | $677,651 | 0.0% | n/c | 1 | SEC ↗ |
| 33 | Deutsche Bank Ag\ | 109.27K | — | $586,796 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 34 | Creative Planning | 108.14K | — | $580,733 | 0.0% | n/c | 1 | SEC ↗ |
| 35 | Citadel Advisors ✦ | 105.68K | -54.7% | $567,512 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 36 | Alliancebernstein L.P. | 83.94K | — | $450,758 | 0.0% | n/c | 1 | SEC ↗ |
| 37 | Raymond James Financial Inc | 80.14K | — | $430,363 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 38 | T. Rowe Price ✦ | 70.49K | +24.6% | $379,000 | 0.0% | ▲ Add | 7 | SEC ↗ |
| 39 | Jane Street Group, Llc | 70.06K | — | $376,238 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 40 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 69.58K | — | $373,712 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 41 | Franklin Resources Inc | 66.61K | — | $357,680 | 0.0% | n/c | 1 | SEC ↗ |
| 42 | Invesco Ltd. | 63.90K | — | $343,148 | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 43 | D. E. Shaw & Co. ✦ | 51.48K | New | $276,458 | 0.0% | New | 1 | SEC ↗ |
| 44 | Susquehanna International Group, Llp | 44.74K | — | $240,265 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 45 | LPL Financial LLC | 44.47K | — | $238,804 | 0.0% | n/c | 1 | SEC ↗ |
| 46 | American Century Companies Inc | 40.41K | — | $217,013 | 0.0% | n/c | 1 | SEC ↗ |
| 47 | Manufacturers Life Insurance… | 40.33K | — | $216,545 | 0.0% | n/c | 1 | SEC ↗ |
| 48 | New York State Common Retirement… | 30.41K | — | $163,286 | 0.0% | n/c | 1 | SEC ↗ |
| 49 | Walleye Trading LLC | 25.00K | — | $134,250 | 0.0% | n/c | 1 | SEC ↗ |
| 50 | Stifel Financial Corp | 23.97K | — | $128,738 | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 51 | ProShare Advisors LLC | 23.97K | — | $128,731 | 0.0% | n/c | 1 | SEC ↗ |
| 52 | Voya Investment Management Llc | 22.63K | — | $121,518 | 0.0% | n/c | 1 | SEC ↗ |
| 53 | Captrust Financial Advisors | 20.85K | — | $111,943 | 0.0% | n/c | 1 | SEC ↗ |
| 54 | Focus Partners Wealth | 18.59K | — | $99,855 | 0.0% | n/c | 1 | SEC ↗ |
| 55 | Bnp Paribas Financial Markets | 15.64K | — | $84,014 | 0.0% | n/c | 1 | SEC ↗ |
| 56 | Canada Pension Plan Investment Board | 14.90K | — | $80,013 | 0.0% | n/c | 1 | SEC ↗ |
| 57 | Victory Capital Management Inc | 14.31K | — | $76,850 | 0.0% | n/c | 1 | SEC ↗ |
| 58 | Neuberger Berman Group LLC | 12.81K | — | $68,774 | 0.0% | n/c | 1 | SEC ↗ |
| 59 | Legal & General Group Plc | 12.75K | — | $68,483 | 0.0% | n/c | 1 | SEC ↗ |
| 60 | Russell Investments Group, Ltd. | 11.56K | — | $62,066 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 61 | Simplex Trading, Llc | 8.91K | — | $47,857 | 0.0% | n/c | 1 | SEC ↗ |
| 62 | California State Teachers… | 8.06K | — | $43,261 | 0.0% | n/c | 1 | SEC ↗ |
| 63 | Group One Trading Llc | 5.24K | — | $28,160 | 0.0% | n/c | 1 | SEC ↗ |
| 64 | Royal Bank Of Canada | 3.82K | — | $21,000 | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 65 | Cwm, Llc | 3.06K | — | $16,000 | 0.0% | n/c | 1 | SEC ↗ |
| 66 | Rockefeller Capital Management L.P. | 2.04K | — | $10,966 | 0.0% | n/c | 1 | SEC ↗ |
| 67 | Optiver Holding B.V. | 1.10K | — | $5,886 | 0.0% | n/c | 1 | SEC ↗ |
| 68 | Pnc Financial Services Group, Inc. | 413 | — | $2,218 | 0.0% | n/c | 1 | SEC ↗ |
| 69 | National Bank Of Canada /Fi/ | 242 | — | $1,299 | 0.0% | n/c | 1 | SEC ↗ |
| 70 | Osaic Holdings, Inc. | 57 | — | $306 | 0.0% | n/c | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Marshall Wace | $6.79M | 0.0% |
| Arrowstreet Capital | $1.13M | 0.0% |
| D. E. Shaw & Co. | $276,458 | 0.0% |
Exited
| Renaissance Technologies | $276,500 | 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.
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
Aug 14
SC 13G/A — Vivo Opportunity Fund Holdings, L.P.
Aug 07
SC 13G — STATE STREET CORP
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: Q4 2025 ·
Methodology ·
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