Institutional Ownership
Compass Pathways PLC
CUSIP 20451W101SPONSORED ADSCMPSQ1 2026
13D / 13G Filings
36
Schedule 13D/13G on record
Beneficial Filers
18
Distinct reporting persons
Largest Stake
22.6%
Max % of class reported
Institutional Holders
191
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
36 filings · latest Feb 17, 2026
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Feb 17, 2026 | Ataibeckley Inc. | 13D/A | 5.0% | — | SEC |
| 2 | Nov 14, 2025 | Vivo Opportunity Fund Holdings, L.P. | 13G/A | 3.2% | 3.17M | SEC |
| 3 | Nov 14, 2025 | Nantahala Capital Management, LLC | 13G/A | 3.6% | 3.48M | SEC |
| 4 | Oct 29, 2025 | Atai Life Sciences N.V. | 13D/A | 6.0% | — | SEC |
| 5 | Aug 14, 2025 | Rtw Investments, LP | 13G/A | 9.9% | 9.47M | SEC |
| 6 | Aug 14, 2025 | Rtw Investments, LP | 13G/A | — | 459 | SEC |
| 7 | Aug 14, 2025 | Rtw Investments, LP | 13G/A | 9.9% | 9.47M | SEC |
| 8 | Aug 14, 2025 | Nantahala Capital Management, LLC | 13G | 6.2% | 5.93M | SEC |
| 9 | Aug 14, 2025 | Tcg Crossover Gp I, LLC | 13G/A | 11.0% | 3.86M | SEC |
| 10 | May 15, 2025 | Vivo Opportunity Fund Holdings, L.P. | 13G/A | 6.6% | 6.35M | SEC |
26 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Compass Pathways PLC.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Deep Track Capital, LP | 12.16M | $67.25M |
| 2 | Rtw Investments, LP | 10.63M | $58.80M |
| 3 | Marshall Wace, LLP | 4.04M | $22.33M |
| 4 | Tang Capital Management LLC | 4.00M | $22.13M |
| 5 | Bit Capital Gmbh | 3.49M | $19.31M |
| 6 | Ark Investment Management LLC | 3.30M | $18.25M |
| 7 | Millennium Management LLC | 3.14M | $17.36M |
| 8 | Gmt Capital Corp | 3.08M | $17.02M |
| 9 | Two Sigma Investments, LP | 2.58M | $14.29M |
| 10 | Dafna Capital Management LLC | 2.42M | $13.38M |