Compass Pathways plc: which funds bought and sold
Institutions that bought and sold Compass Pathways 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, 131 institutions that filed 13F reports for both quarters added to or opened positions in Compass Pathways, and 77 cut or closed them. Together they sold a net 2.7M shares, −2.9% on what they held at the start of the quarter. Active managers and hedge funds on our list were net buyers of 2.7M shares (+5.4%); index fund managers were net buyers of 256K shares (+30.7%). 59 opened a new position and 29 sold out entirely.
Bought, Q2 2026 131 institutions, 59 of them new holders Sold, Q2 2026 77 institutions, 29 of them sold out
Net change, all compared −2.7M shares (−2.9%)
Net change, active managers +2.7M shares (+5.4%), 20 bought, 15 sold
Buyers versus sellers
131 bought 38 77 sold
Active managers and hedge funds 20 bought · 15 sold · +2.7M
Index fund managers 4 bought · 0 sold · +256K
Other institutions 107 bought · 62 sold · −5.7M
Biggest buyers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Bit Capital Gmbh | +2.9M +81.8% | 6.3M | $89.8M |
| Point72 Asset Management, L.P. Hedge fund | +2.6M New position | 2.6M | $37.1M |
| Logos Global Management LP Hedge fund | +2.3M New position | 2.3M | $31.8M |
| Bank Of America Corp | +2.0M +6145.7% | 2.0M | $28.6M |
| Two Sigma Investments, LP Hedge fund | +1.9M +73.0% | 4.5M | $63.3M |
| Candriam S.C.A. | +1.3M New position | 1.3M | $18M |
| Tang Capital Management LLC Hedge fund | +998K +24.9% | 5.0M | $70.8M |
| Woodline Partners LP Hedge fund | +911K +519.0% | 1.1M | $15.4M |
| Citadel Advisors LLC Hedge fund | +735K +272.9% | 1.0M | $14.2M |
| Occam Crest Management LP | +710K New position | 710K | $7.7M |
| Renaissance Technologies LLC Hedge fund | +567K +65.5% | 1.4M | $20.3M |
| Trexquant Investment LP Hedge fund | +551K +178.1% | 860K | $12.2M |
| Blue Owl Capital Holdings LP | +450K New position | 450K | $6.4M |
| Ensign Peak Advisors, Inc | +435K +1110.1% | 475K | $6.7M |
| Landscape Capital Management, L.L.C. | +316K +461.2% | 384K | $5.4M |
| Squadron Capital Management LLC | +300K New position | 300K | $4.2M |
| Marshall Wace, LLP Hedge fund | +290K +7.2% | 4.3M | $61.3M |
| Stempoint Capital LP | +285K New position | 285K | $4M |
| Blackrock, Inc. Index funds | +242K +35.4% | 925K | $13.1M |
| Silverarc Capital Management, LLC | +203K +67.8% | 503K | $7.1M |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Point72 Asset Management, L.P. Hedge fund | +2.6M New position | 2.6M | $37.1M |
| Logos Global Management LP Hedge fund | +2.3M New position | 2.3M | $31.8M |
| Two Sigma Investments, LP Hedge fund | +1.9M +73.0% | 4.5M | $63.3M |
| Tang Capital Management LLC Hedge fund | +998K +24.9% | 5.0M | $70.8M |
| Woodline Partners LP Hedge fund | +911K +519.0% | 1.1M | $15.4M |
| Citadel Advisors LLC Hedge fund | +735K +272.9% | 1.0M | $14.2M |
| Renaissance Technologies LLC Hedge fund | +567K +65.5% | 1.4M | $20.3M |
| Trexquant Investment LP Hedge fund | +551K +178.1% | 860K | $12.2M |
| Marshall Wace, LLP Hedge fund | +290K +7.2% | 4.3M | $61.3M |
| ARK Investment Management LLC Active manager | +151K +4.6% | 3.5M | $48.8M |
Biggest sellers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Gmt Capital Corp | −3.1M Sold out | 0 | — |
| Millennium Management LLC Hedge fund | −2.4M −75.4% | 771K | $10.9M |
| Baker Bros. Advisors LP Hedge fund | −2.3M Sold out | 0 | — |
| Sio Capital Management, LLC | −1.5M Sold out | 0 | — |
| Heights Capital Management, Inc | −1.3M −86.2% | 206K | $2.9M |
| Orbimed Advisors LLC | −1.2M Sold out | 0 | — |
| Pfm Health Sciences, LP Hedge fund | −1.1M −81.9% | 248K | $3.5M |
| Susquehanna International Group, LLP | −1.1M −94.1% | 67K | $941,852 |
| Ally Bridge Group (NY) LLC | −1.0M Sold out | 0 | — |
| Alyeska Investment Group, L.P. Hedge fund | −1.0M Sold out | 0 | — |
| Caption Management, LLC | −854K −53.0% | 756K | $10.7M |
| Affinity Asset Advisors, LLC | −807K −72.8% | 301K | $4.3M |
| Ikarian Capital, LLC | −660K −97.8% | 15K | $212,250 |
| Morgan Stanley | −611K −50.7% | 595K | $8.4M |
| Parkman Healthcare Partners LLC | −554K Sold out | 0 | — |
| Jefferies Financial Group Inc. | −473K −32.2% | 994K | $14.1M |
| Qube Research & Technologies Ltd Hedge fund | −449K −47.3% | 500K | $7.1M |
| Dafna Capital Management LLC | −407K −16.8% | 2.0M | $28.5M |
| UBS Group AG | −373K −20.1% | 1.5M | $21M |
| Birchview Capital, LP | −345K −92.0% | 30K | $424,500 |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Millennium Management LLC Hedge fund | −2.4M −75.4% | 771K | $10.9M |
| Baker Bros. Advisors LP Hedge fund | −2.3M Sold out | 0 | — |
| Pfm Health Sciences, LP Hedge fund | −1.1M −81.9% | 248K | $3.5M |
| Alyeska Investment Group, L.P. Hedge fund | −1.0M Sold out | 0 | — |
| Qube Research & Technologies Ltd Hedge fund | −449K −47.3% | 500K | $7.1M |
| Schroder Investment Management Group Active manager | −300K Sold out | 0 | — |
| Centerbook Partners LP Hedge fund | −284K −69.3% | 126K | $1.8M |
| Burkehill Global Management, LP Hedge fund | −250K Sold out | 0 | — |
| Boothbay Fund Management, LLC Hedge fund | −191K Sold out | 0 | — |
| Saba Capital Management, L.P. Hedge fund | −151K Sold out | 0 | — |
New positions
| Institution | Shares | Value June 30, 2026 |
|---|---|---|
| Point72 Asset Management, L.P.Hedge fund | 2.6M | $37.1M |
| Logos Global Management LPHedge fund | 2.3M | $31.8M |
| Candriam S.C.A. | 1.3M | $18M |
| Occam Crest Management LP | 710K | $7.7M |
| Blue Owl Capital Holdings LP | 450K | $6.4M |
| Squadron Capital Management LLC | 300K | $4.2M |
| Stempoint Capital LP | 285K | $4M |
| Balyasny Asset Management L.P.Hedge fund | 138K | $2M |
| Alps Advisors Inc | 136K | $1.9M |
| K2 Principal Fund, L.P. | 135K | $1.9M |
Sold out
| Institution | Shares | Value March 31, 2026 |
|---|---|---|
| Gmt Capital Corp | 3.1M | $17M |
| Baker Bros. Advisors LPHedge fund | 2.3M | $13M |
| Sio Capital Management, LLC | 1.5M | $8.3M |
| Orbimed Advisors LLC | 1.2M | $6.4M |
| Ally Bridge Group (NY) LLC | 1.0M | $5.8M |
| Alyeska Investment Group, L.P.Hedge fund | 1.0M | $5.5M |
| Parkman Healthcare Partners LLC | 554K | $3.1M |
| Schroder Investment Management GroupActive manager | 300K | $1.6M |
| Simplex Trading, LLC | 267K | $1.5M |
| Burkehill Global Management, LPHedge fund | 250K | $1.4M |
Who holds the shares
- Institutions reporting
- 222
- Ten largest holders
- 58.4% of 13F-reported shares
- Index fund managers
- 1.2% of 13F-reported shares
- Active managers and hedge funds
- 58.8% of 13F-reported shares
| Type | Bought | Sold | New | Sold out | Net change in shares | Net % |
|---|---|---|---|---|---|---|
| Active managers and hedge funds | 20 | 15 | 6 | 6 | +2.7M | +5.4% |
| Index fund managers | 4 | 0 | 0 | 0 | +256K | +30.7% |
| Other institutions | 107 | 62 | 53 | 23 | −5.7M | −13.7% |