Compass Therapeutics, Inc.: which funds bought and sold
Institutions that bought and sold Compass Therapeutics shares in Q2 2026, from the holdings they reported to the SEC on Form 13F for March 31, 2026 and June 30, 2026.
Between March 31, 2026 and June 30, 2026, 147 institutions that filed 13F reports for both quarters added to or opened positions in Compass Therapeutics, and 89 cut or closed them. Together they sold a net 8.7M shares, −5.0% on what they held at the start of the quarter. Active managers and hedge funds on our list were net sellers of 6.9M shares (−9.9%); index fund managers were net buyers of 8.1M shares (+27.3%). 63 opened a new position and 45 sold out entirely.
Bought, Q2 2026 147 institutions, 63 of them new holders Sold, Q2 2026 89 institutions, 45 of them sold out
Net change, all compared −8.7M shares (−5.0%)
Net change, active managers −6.9M shares (−9.9%), 32 bought, 20 sold
Buyers versus sellers
147 bought 21 89 sold
Active managers and hedge funds 32 bought · 20 sold · −6.9M
Index fund managers 8 bought · 3 sold · +8.1M
Other institutions 107 bought · 66 sold · −9.9M
Biggest buyers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Palo Alto Investors LP | +4.3M +285.1% | 5.8M | $12.8M |
| Millennium Management LLC Hedge fund | +3.9M +457.0% | 4.7M | $10.3M |
| AQR Capital Management LLC Hedge fund | +3.3M +1650.8% | 3.5M | $7.7M |
| State Street Corp Index funds | +3.3M +48.7% | 10.0M | $21.8M |
| Citadel Advisors LLC Hedge fund | +2.8M +395.0% | 3.6M | $7.8M |
| Vanguard Portfolio Management LLC Index funds | +2.7M +248.3% | 3.8M | $8.3M |
| Blackrock, Inc. Index funds | +1.8M +18.7% | 11.3M | $24.7M |
| Goldman Sachs Group Inc | +1.5M +77.0% | 3.5M | $7.7M |
| Kingdon Capital Management, L.L.C. | +1.4M New position | 1.4M | $3.1M |
| Tang Capital Management LLC Hedge fund | +1.2M +7.1% | 18.0M | $39.4M |
| Acadian Asset Management LLC Active manager | +1.2M New position | 1.2M | $2.5M |
| Qube Research & Technologies Ltd Hedge fund | +1.1M +44.6% | 3.7M | $8.1M |
| Squarepoint Ops LLC Hedge fund | +957K +1906.9% | 1.0M | $2.2M |
| First Trust Advisors LP | +807K New position | 807K | $1.8M |
| Nuveen, LLC | +720K +247.3% | 1.0M | $2.2M |
| Point72 Asset Management, L.P. Hedge fund | +687K New position | 687K | $1.5M |
| Blue Owl Capital Holdings LP | +683K +23.2% | 3.6M | $7.9M |
| Cm Management, LLC | +550K New position | 550K | $1.2M |
| Artia Global Partners LP | +383K New position | 383K | $839,208 |
| Morgan Stanley | +375K +104.0% | 735K | $1.6M |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Millennium Management LLC Hedge fund | +3.9M +457.0% | 4.7M | $10.3M |
| AQR Capital Management LLC Hedge fund | +3.3M +1650.8% | 3.5M | $7.7M |
| Citadel Advisors LLC Hedge fund | +2.8M +395.0% | 3.6M | $7.8M |
| Tang Capital Management LLC Hedge fund | +1.2M +7.1% | 18.0M | $39.4M |
| Acadian Asset Management LLC Active manager | +1.2M New position | 1.2M | $2.5M |
| Qube Research & Technologies Ltd Hedge fund | +1.1M +44.6% | 3.7M | $8.1M |
| Squarepoint Ops LLC Hedge fund | +957K +1906.9% | 1.0M | $2.2M |
| Point72 Asset Management, L.P. Hedge fund | +687K New position | 687K | $1.5M |
| Marshall Wace, LLP Hedge fund | +335K New position | 335K | $733,364 |
| Two Sigma Investments, LP Hedge fund | +287K +867.7% | 320K | $701,483 |
Biggest sellers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Bvf Inc | −7.8M Sold out | 0 | — |
| Adage Capital Partners Gp, L.L.C. Hedge fund | −7.3M −86.0% | 1.2M | $2.6M |
| RTW Investments, LP Hedge fund | −4.2M Sold out | 0 | — |
| Deerfield Management Company, L.P. Hedge fund | −3.6M Sold out | 0 | — |
| Logos Global Management LP Hedge fund | −3.1M Sold out | 0 | — |
| Sofinnova Investments, Inc. | −2.1M Sold out | 0 | — |
| Braidwell LP Hedge fund | −2.0M Sold out | 0 | — |
| Vivo Capital, LLC | −1.8M −18.7% | 7.8M | $17M |
| UBS Group AG | −1.7M −70.2% | 713K | $1.6M |
| Ameriprise Financial Inc | −1.6M Sold out | 0 | — |
| Great Point Partners LLC | −1.4M Sold out | 0 | — |
| Balyasny Asset Management L.P. Hedge fund | −1.1M Sold out | 0 | — |
| Schonfeld Strategic Advisors LLC Hedge fund | −984K −91.4% | 92K | $201,975 |
| Blackstone Inc. | −958K −51.6% | 900K | $2M |
| Silverarc Capital Management, LLC | −859K Sold out | 0 | — |
| Nextbio Capital Management LP | −848K Sold out | 0 | — |
| Y-Intercept (Hong Kong) Ltd | −829K Sold out | 0 | — |
| Barclays PLC | −740K −93.6% | 50K | $110,368 |
| FMR LLC Active manager | −590K −32.7% | 1.2M | $2.7M |
| Prudential Financial Inc | −473K −95.6% | 22K | $47,567 |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Adage Capital Partners Gp, L.L.C. Hedge fund | −7.3M −86.0% | 1.2M | $2.6M |
| RTW Investments, LP Hedge fund | −4.2M Sold out | 0 | — |
| Deerfield Management Company, L.P. Hedge fund | −3.6M Sold out | 0 | — |
| Logos Global Management LP Hedge fund | −3.1M Sold out | 0 | — |
| Braidwell LP Hedge fund | −2.0M Sold out | 0 | — |
| Balyasny Asset Management L.P. Hedge fund | −1.1M Sold out | 0 | — |
| Schonfeld Strategic Advisors LLC Hedge fund | −984K −91.4% | 92K | $201,975 |
| FMR LLC Active manager | −590K −32.7% | 1.2M | $2.7M |
| Trexquant Investment LP Hedge fund | −422K Sold out | 0 | — |
| Royce & Associates LP Active manager | −283K −17.5% | 1.3M | $2.9M |
New positions
| Institution | Shares | Value June 30, 2026 |
|---|---|---|
| Kingdon Capital Management, L.L.C. | 1.4M | $3.1M |
| Acadian Asset Management LLCActive manager | 1.2M | $2.5M |
| First Trust Advisors LP | 807K | $1.8M |
| Point72 Asset Management, L.P.Hedge fund | 687K | $1.5M |
| Cm Management, LLC | 550K | $1.2M |
| Artia Global Partners LP | 383K | $839,208 |
| Marshall Wace, LLPHedge fund | 335K | $733,364 |
| Natixis | 298K | $651,996 |
| Exome Asset Management LLC | 276K | $604,801 |
| Caption Management, LLC | 264K | $577,234 |
Sold out
| Institution | Shares | Value March 31, 2026 |
|---|---|---|
| Bvf Inc | 7.8M | $41.1M |
| RTW Investments, LPHedge fund | 4.2M | $22.1M |
| Deerfield Management Company, L.P.Hedge fund | 3.6M | $19.1M |
| Logos Global Management LPHedge fund | 3.1M | $16.7M |
| Sofinnova Investments, Inc. | 2.1M | $10.9M |
| Braidwell LPHedge fund | 2.0M | $10.4M |
| Ameriprise Financial Inc | 1.6M | $8.4M |
| Great Point Partners LLC | 1.4M | $7.1M |
| Balyasny Asset Management L.P.Hedge fund | 1.1M | $5.9M |
| Silverarc Capital Management, LLC | 859K | $4.5M |
Who holds the shares
- Institutions reporting
- 216
- Ten largest holders
- 60.8% of 13F-reported shares
- Index fund managers
- 22.8% of 13F-reported shares
- Active managers and hedge funds
- 37.9% of 13F-reported shares
| Type | Bought | Sold | New | Sold out | Net change in shares | Net % |
|---|---|---|---|---|---|---|
| Active managers and hedge funds | 32 | 20 | 11 | 11 | −6.9M | −9.9% |
| Index fund managers | 8 | 3 | 0 | 0 | +8.1M | +27.3% |
| Other institutions | 107 | 66 | 52 | 34 | −9.9M | −13.4% |
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