CMPX — COMPASS THERAPEUTICS INC
As of Q2 2026, 30 SEC-registered investment managers reported holding CMPX (COMPASS THERAPEUTICS INC) in their latest 13F filings, with a combined reported value of $89.77M across 41.10M shares. That is +41.2% by share count (+11.99M shares) versus the previous quarter, while reported value moved -41.5%. Ownership is concentrated: the five largest holders account for 66.0% of reported value and the top ten for 85.5%.
Compared with the prior quarter, 3 opened new positions, 18 added to existing stakes, 8 trimmed, 3 exited entirely. 13F holdings are quarter-end snapshots, so these moves reflect positioning as of Q2 2026, not real-time trading.
CMPX is classified in the Health Care sector.
All figures on this page are computed from SEC Form 13F quarterly filings. 13F filers disclose long positions of $100,000 or more within 45 days of quarter end; short positions, options overlays and intra-quarter trades are not included, so treat the numbers as a quarterly snapshot of institutional ownership rather than real-time positioning.
| Fund | Quarter | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|---|
| Vanguard Group history | Q4 2025 | 8.05M | $43.22M | 0.00% | Add |
| BlackRock Inc history | Q2 2026 | 11.28M | $24.71M | 0.00% | Add |
| Millennium Management history | Q2 2026 | 4.71M | $10.32M | 0.00% | Add |
| Geode Capital Management history | Q2 2026 | 3.82M | $8.36M | 0.00% | Add |
| Citadel Advisors history | Q2 2026 | 3.71M | $8.12M | 0.00% | Add |
| Goldman Sachs Group history | Q2 2026 | 3.53M | $7.73M | 0.00% | Add |
| AQR Capital Management history | Q2 2026 | 3.51M | $7.69M | 0.00% | Add |
| Balyasny Asset Management history | Q1 2026 | 1.12M | $5.92M | 0.01% | Reduce |
| Royce & Associates history | Q2 2026 | 1.34M | $2.93M | 0.02% | Reduce |
| Fidelity Management & Research (FMR) history | Q2 2026 | 1.21M | $2.65M | 0.00% | Reduce |
| Northern Trust Corp history | Q2 2026 | 1.14M | $2.50M | 0.00% | Add |
| JPMorgan Chase & Co history | Q2 2026 | 789.40K | $1.71M | 0.00% | New |
| Morgan Stanley history | Q2 2026 | 735.19K | $1.61M | 0.00% | Add |
| Citigroup Inc history | Q2 2026 | 713.91K | $1.56M | 0.00% | Add |
| UBS Group AG history | Q2 2026 | 712.76K | $1.56M | 0.00% | Reduce |
| Point72 Asset Management history | Q2 2026 | 686.58K | $1.50M | 0.00% | New |
| Bank of America Corp history | Q2 2026 | 566.92K | $1.24M | 0.00% | Reduce |
| Arrowstreet Capital history | Q4 2025 | 210.25K | $1.13M | 0.00% | New |
| Wellington Management Group history | Q2 2026 | 378.69K | $829.32K | 0.00% | Add |
| Farallon Capital Management history | Q1 2022 | 582.75K | $798.00K | 0.00% | Reduce |
New Positions (Q2 2026)
- JPMorgan Chase & Co 789.40K sh · $1.71M
- Point72 Asset Management 686.58K sh · $1.50M
- Marshall Wace 334.87K sh · $733.36K
Fully Exited (vs previous quarter)
- Balyasny Asset Management sold 1.12M sh · $5.92M
- Franklin Resources sold 66.61K sh · $352.35K
- Janus Henderson Group sold 55.60K sh · $293.85K
Fund Position History — shares by quarter (top 20 funds)
| Fund | Q4 2021 | Q1 2022 | Q2 2022 | Q3 2022 | Q4 2022 | Q1 2023 | Q2 2023 | Q3 2023 | Q4 2023 | Q1 2024 | Q2 2024 | Q3 2024 | Q4 2024 | Q1 2025 | Q2 2025 | Q3 2025 | Q4 2025 | Q1 2026 | Q2 2026 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BlackRock Inc | — | — | — | — | — | — | — | — | — | — | — | 6.82M | 6.89M | 7.11M | 6.41M | 7.37M | 9.39M | 9.51M | 11.28M |
| Millennium Management | 11.16K | 38.55K | 27.86K | 63.19K | 81.95K | 978.40K | 163.47K | 306.62K | 494.09K | 193.77K | 433.75K | 169.40K | 33.86K | 545.09K | 851.21K | 3.24M | 3.11M | 846.22K | 4.71M |
| Geode Capital Management | — | 24.86K | 24.86K | 601.32K | 790.25K | 883.56K | 1.81M | 1.89M | 1.99M | 2.08M | 2.29M | 2.31M | 2.33M | 2.36M | 2.32M | 2.94M | 3.50M | 3.57M | 3.82M |
| Citadel Advisors | 33.57K | — | — | — | 62.28K | 44.46K | — | — | 166.14K | 144.19K | 267.77K | 64.23K | — | 210.10K | 12.40K | 233.27K | 105.68K | 891.11K | 3.71M |
| Goldman Sachs Group | — | — | — | — | — | 198.52K | 107.56K | 220.18K | 206.60K | 122.71K | 235.51K | 371.13K | 390.44K | 233.52K | 116.35K | 1.04M | 1.52M | 2.00M | 3.53M |
| AQR Capital Management | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 48.45K | 59.15K | 155.22K | 200.43K | 3.51M |
| Royce & Associates | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 285.99K | 1.62M | 1.34M |
| Fidelity Management & Research (FMR) | 6.87M | 6.87M | 6.87M | 6.35M | 6.35M | 5.68M | 5.54M | 4.55M | 4.55M | 4.52M | 4.13M | 4.14M | 4.14M | 4.13M | 4.13M | 4.14M | 2.58M | 1.80M | 1.21M |
| Northern Trust Corp | — | — | — | 87.37K | 157.08K | 185.30K | 769.87K | 825.11K | 759.73K | 766.91K | 747.56K | 844.39K | 801.23K | 803.14K | 734.69K | 861.93K | 972.93K | 1.05M | 1.14M |
| JPMorgan Chase & Co | 23.75K | — | — | — | — | 407 | 71.16K | 62.74K | 62.33K | 38.35K | 45.88K | 44.46K | 272.33K | 2.19M | 2.13M | 2.00M | 870.01K | — | 789.40K |
| Morgan Stanley | 17.47K | 26.98K | 613 | 8.87K | 64.50K | 160.06K | 118.90K | 63.29K | 227.99K | 164.23K | 167.92K | 377.89K | 378.55K | 839.18K | 248.75K | 186.95K | 365.25K | 360.37K | 735.19K |
| Citigroup Inc | 37.83K | — | 1.37K | 4.53K | 126.31K | 142.94K | 29.09K | 183 | 13.40K | 17.04K | 23.13K | 74.28K | 78.60K | 131.24K | 31.71K | 10.65K | 261.88K | 598.24K | 713.91K |
| UBS Group AG | 7.23K | 7.23K | 7.23K | 7.23K | 11.82K | 7.68K | 62.46K | 59.05K | 102.55K | 110.21K | 50.23K | 65.40K | 163.66K | 152.85K | 263.53K | 198.27K | 167.86K | 2.39M | 712.76K |
| Point72 Asset Management | — | — | — | — | — | 1.53K | — | — | — | — | — | — | — | — | — | — | — | — | 686.58K |
| Bank of America Corp | — | 6 | — | — | 82 | 93.98K | 75.31K | 114.16K | 91.50K | 45.41K | 64.72K | 82.72K | 113.02K | 383.50K | 32.55K | 73.80K | 266.43K | 865.61K | 566.92K |
| Wellington Management Group | — | — | — | — | — | — | — | — | — | 320.62K | 243.65K | — | — | 222.50K | 348.04K | 318.12K | 316.85K | 360.12K | 378.69K |
| BNY Mellon | — | — | — | 24.25K | 39.31K | 39.31K | 271.30K | 272.45K | 271.16K | 252.50K | 283.94K | 231.93K | 237.97K | 243.56K | 211.18K | 223.18K | 312.48K | 297.30K | 351.03K |
| Marshall Wace | — | — | 23.73K | 51.82K | 28.30K | 65.18K | — | — | — | — | — | — | — | — | — | — | 1.26M | — | 334.87K |
| Two Sigma Investments | — | — | — | — | — | 15.22K | — | 25.70K | 192.70K | 141.64K | 215.05K | 193.26K | 145.24K | 51.24K | 16.10K | — | — | 33.10K | 320.31K |
| Charles Schwab Investment Management | — | — | — | 31.74K | 42.77K | 42.77K | 251.40K | 263.28K | 246.01K | 240.19K | 286.19K | 286.19K | 286.19K | 297.88K | 273.47K | 335.25K | 410.16K | 371.06K | 303.14K |
▲ Bought Low (fund opened/added, stock rose ≥5% next quarter) ▼ Sold High (fund reduced, stock fell ≥5% next quarter)
Drag / scroll to zoom · Default shows the most recent year · Annotations come from quarterly fund actions in 13F filings · Hover a marker for details