Security record · archived quarter
CMPX
Compass Therapeutics, Inc. · Healthcare · Biotechnology
79Tracked holders
+9Δ holders
59.45MShares held
$314.31MReported value
+12New positions
−3Exits
Momentum inputs (comparable managers):
holder breadth +12.9% ·
share flow +25.0% ·
net new positions +11.4%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2026
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 · Q1 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 9.51M | +1.2% | $50.29M | 0.0% | ▲ Add | 4 | SEC ↗ ×9 |
| 2 | Adage Capital Partners ✦ | 8.49M | +91.3% | $44.89M | 0.1% | ▲ Add | 8 | SEC ↗ |
| 3 | State Street Global Advisors ✦ (passive) | 6.69M | +36.9% | $35.42M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 4 | Vanguard Capital Management Llc | 6.04M | — | $31.94M | 0.0% | n/c | 1 | SEC ↗ |
| 5 | Geode Capital Management ✦ (passive) | 3.57M | +1.8% | $18.87M | 0.0% | ▲ Add | 8 | SEC ↗ ×2 |
| 6 | Qube Research & Technologies Ltd | 2.55M | +477.3% | $13.49M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 7 | UBS Group AG | 2.39M | +1324.6% | $12.65M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 8 | Goldman Sachs Group ✦ | 2.00M | +31.5% | $10.56M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 9 | Fidelity (FMR) ✦ | 1.80M | -30.2% | $9.53M | 0.0% | ▼ Trim | 4 | SEC ↗ ×3 |
| 10 | Ameriprise Financial Inc | 1.60M | +94.0% | $8.45M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 11 | Fisher Asset Management ✦ | 1.35M | New | $7.13M | 0.0% | New | 1 | SEC ↗ |
| 12 | Balyasny Asset Management L.P. | 1.12M | -29.8% | $5.92M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 13 | Northern Trust Corp | 1.05M | +7.8% | $5.55M | 0.0% | ▲ Add | 2 | SEC ↗ ×4 |
| 14 | Bank Of America Corp /De/ | 865.61K | +224.9% | $4.58M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 15 | Millennium Management ✦ | 846.22K | -72.8% | $4.48M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 16 | JPMorgan Chase ✦ | 847.70K | -2.6% | $4.32M | 0.0% | ▼ Trim | 3 | SEC ↗ ×4 |
| 17 | Barclays Plc | 790.04K | +32.8% | $4.18M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 18 | Citadel Advisors ✦ | 721.41K | +582.6% | $3.82M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 19 | Citigroup Inc | 598.24K | +128.4% | $3.16M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 20 | Connor, Clark & Lunn Investment… | 497.82K | +159.7% | $2.63M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 21 | Prudential Financial Inc | 494.30K | +57.0% | $2.61M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 22 | Dimensional Fund Advisors Lp | 439.78K | +28.7% | $2.32M | 0.0% | ▲ Add | 2 | SEC ↗ ×4 |
| 23 | Voya Investment Management Llc | 375.32K | +1558.6% | $1.99M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 24 | Charles Schwab Investment… | 371.06K | -9.5% | $1.96M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 25 | Morgan Stanley ✦ | 360.37K | -1.3% | $1.91M | 0.0% | ▼ Trim | 3 | SEC ↗ ×7 |
| 26 | Wellington Management ✦ | 360.12K | +13.7% | $1.91M | 0.0% | ▲ Add | 5 | SEC ↗ ×3 |
| 27 | Bank of New York Mellon Corp | 297.30K | -4.9% | $1.57M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 28 | Nuveen, LLC | 290.97K | +0.7% | $1.54M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 29 | Swiss National Bank | 220.70K | New | $1.17M | 0.0% | New | 1 | SEC ↗ |
| 30 | AQR Capital Management ✦ | 200.43K | +29.1% | $1.06M | 0.0% | ▲ Add | 4 | SEC ↗ ×7 |
| 31 | State Of Wisconsin Investment Board | 200.28K | +8.0% | $1.06M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 32 | Susquehanna International Group, Llp | 157.03K | +251.0% | $830,662 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 33 | Rhumbline Advisers | 147.02K | +9.2% | $777,706 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 34 | UBS AM, a distinct business unit of… | 139.64K | New | $738,706 | 0.0% | New | 1 | SEC ↗ ×3 |
| 35 | Tidal Investments LLC | 138.28K | New | $731,480 | 0.0% | New | 1 | SEC ↗ |
| 36 | Deutsche Bank Ag\ | 133.35K | +22.0% | $705,432 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 37 | Raymond James Financial Inc | 121.89K | +52.1% | $644,793 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 38 | California State Teachers… | 112.32K | +1294.2% | $594,152 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 39 | Creative Planning | 106.19K | -1.8% | $561,750 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 40 | Invesco Ltd. | 101.21K | +58.4% | $535,385 | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 41 | T. Rowe Price ✦ | 99.52K | +41.2% | $527,000 | 0.0% | ▲ Add | 8 | SEC ↗ |
| 42 | Tudor Investment Corp Et Al | 88.93K | New | $470,445 | 0.0% | New | 1 | SEC ↗ |
| 43 | Alliancebernstein L.P. | 83.94K | 0.0% | $450,758 | 0.0% | Held | 2 | SEC ↗ |
| 44 | American Century Companies Inc | 78.33K | +93.8% | $414,355 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 45 | Legal & General Group Plc | 75.10K | +488.9% | $397,295 | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 46 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 74.08K | +6.5% | $389,316 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 47 | Manufacturers Life Insurance… | 67.47K | +67.3% | $356,895 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 48 | Franklin Resources Inc | 66.61K | 0.0% | $352,351 | 0.0% | Held | 2 | SEC ↗ |
| 49 | D. E. Shaw & Co. ✦ | 65.97K | +28.1% | $348,965 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 50 | Janus Henderson Group Plc | 55.60K | New | $293,846 | 0.0% | New | 1 | SEC ↗ |
| 51 | Squarepoint Ops LLC | 50.20K | -60.2% | $265,569 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 52 | Wells Fargo & Company/Mn | 47.74K | -67.0% | $252,545 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 53 | Zurcher Kantonalbank (Zurich… | 43.91K | New | $232,305 | 0.0% | New | 1 | SEC ↗ |
| 54 | Bnp Paribas Financial Markets | 35.77K | +128.6% | $189,213 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 55 | LPL Financial LLC | 35.47K | -20.2% | $187,636 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 56 | Two Sigma Investments ✦ | 33.10K | New | $175,099 | 0.0% | New | 1 | SEC ↗ |
| 57 | Blair William & Co/Il | 30.76K | New | $162,720 | 0.0% | New | 1 | SEC ↗ |
| 58 | New York State Common Retirement… | 30.41K | 0.0% | $160,853 | 0.0% | Held | 2 | SEC ↗ |
| 59 | Group One Trading Llc | 30.23K | +476.4% | $159,911 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 60 | Stifel Financial Corp | 27.50K | +14.7% | $145,458 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 61 | Simplex Trading, Llc | 25.85K | +190.1% | $136,751 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 62 | Canada Pension Plan Investment Board | 25.10K | +68.5% | $132,779 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 63 | Walleye Trading LLC | 25.00K | 0.0% | $132,250 | 0.0% | Held | 2 | SEC ↗ |
| 64 | Captrust Financial Advisors | 21.68K | +4.0% | $114,653 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 65 | Hrt Financial Lp | 19.85K | New | $105,000 | 0.0% | New | 1 | SEC ↗ |
| 66 | ProShare Advisors LLC | 18.70K | -22.0% | $98,938 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 67 | Neuberger Berman Group LLC | 16.35K | +27.7% | $86,507 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 68 | Osaic Holdings, Inc. | 14.68K | +25650.9% | $77,647 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 69 | Pictet Asset Management Holding SA | 14.43K | New | $76,345 | 0.0% | New | 1 | SEC ↗ |
| 70 | Focus Partners Wealth | 14.29K | -23.1% | $75,606 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 71 | Victory Capital Management Inc | 13.73K | -4.1% | $72,626 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 72 | Pnc Financial Services Group, Inc. | 11.04K | +2572.6% | $58,390 | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 73 | Russell Investments Group, Ltd. | 10.90K | -5.7% | $57,661 | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 74 | Rockefeller Capital Management L.P. | 10.18K | +398.6% | $53,863 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 75 | Cwm, Llc | 4.32K | +41.1% | $22,837 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 76 | Optiver Holding B.V. | 1.34K | +21.9% | $7,067 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 77 | National Bank Of Canada /Fi/ | 235 | -2.9% | $1,240 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 78 | Us Bancorp \De\ | 77 | New | $407 | 0.0% | New | 1 | SEC ↗ |
| 79 | Royal Bank Of Canada | 6 | -99.8% | $0 | 0.0% | ▼ Trim | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Fisher Asset Management | $7.13M | 0.0% |
| Swiss National Bank | $1.17M | 0.0% |
| UBS AM, a distinct business… | $738,706 | 0.0% |
| Tidal Investments LLC | $731,480 | 0.0% |
| Tudor Investment Corp Et Al | $470,445 | 0.0% |
| Janus Henderson Group Plc | $293,846 | 0.0% |
| Zurcher Kantonalbank (Zurich… | $232,305 | 0.0% |
| Two Sigma Investments | $175,099 | 0.0% |
| Blair William & Co/Il | $162,720 | 0.0% |
| Hrt Financial Lp | $105,000 | 0.0% |
| Pictet Asset Management… | $76,345 | 0.0% |
| Us Bancorp \De\ | $407 | 0.0% |
Exited
| Marshall Wace | $6.79M | was 0.0% |
| Arrowstreet Capital | $1.13M | was 0.0% |
| Jane Street Group, Llc | $376,238 | 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: Q1 2026 ·
Methodology ·
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