| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| RTW INVESTMENTS, LP | 9.9% | +20% | $34,865,781 | +$5,877,137 | 9,474,397 | +20% | RTW Investments, LP | 30 Jun 2025 |
| Deep Track Capital, LP | 10% | $34,965,201 | 9,274,589 | Deep Track Capital, LP | 10 Jan 2025 | |||
| ATAI Life Sciences N.V. | 6% | -19% | $33,152,485 | -$6,417,600 | 5,785,774 | -16% | ATAI Life Sciences N.V. | 27 Oct 2025 |
| AtaiBeckley Inc. | 5% | $37,260,032 | 4,764,710 | AtaiBeckley Inc. | 21 Jan 2026 | |||
| TCG Crossover GP I, LLC | 3.9% | $14,197,440 | 3,858,000 | Chen Yu | 30 Jun 2025 | |||
| Nantahala Capital Management, LLC | 3.6% | -44% | $19,965,125 | -$14,038,500 | 3,484,315 | -41% | Nantahala Capital Management, LLC | 30 Sep 2025 |
| Vivo Opportunity Fund Holdings, L.P. | 3.2% | -49% | $18,189,851 | -$18,189,851 | 3,174,494 | -50% | Vivo Opportunity Fund Holdings, L.P. | 30 Sep 2025 |
| INTEGRATED CORE STRATEGIES (US) LLC | 3% | -18% | $10,456,174 | -$2,412,525 | 2,773,521 | -19% | Millennium Management LLC | 31 Mar 2025 |
| Goldsmith George Jay | 2.4% | -6.7% | $8,444,129 | -$487,589 | 2,239,822 | -5.5% | George Jay Goldsmith | 31 Mar 2025 |
| CITADEL ADVISORS LLC | 1.7% | $4,397,992 | 1,166,576 | Kenneth Griffin | 31 Dec 2024 |
As of 31 Dec 2025, 163 institutional investors reported holding 54,874,032 shares of COMPASS Pathways plc - Ordinary Shares (CMPS). This represents 57% of the company’s total 96,062,702 outstanding shares.
The largest institutional shareholders of COMPASS Pathways plc - Ordinary Shares (CMPS) together control 47% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| RTW INVESTMENTS, LP | 9.1% | 8,757,390 | +0.57% | 0.61% | $60,425,991 |
| Deep Track Capital, LP | 7.6% | 7,334,323 | -6.7% | 1.2% | $50,606,829 |
| GMT CAPITAL CORP | 3% | 2,844,618 | 0% | 1% | $19,627,864 |
| TORONTO DOMINION BANK | 2.6% | 2,529,013 | +153% | 0.03% | $17,446,594 |
| ARK Investment Management LLC | 2.2% | 2,156,012 | +1.6% | 0.1% | $14,876,481 |
| UBS Group AG | 2.1% | 2,038,444 | -4.9% | 0% | $14,065,263 |
| TWO SIGMA INVESTMENTS, LP | 1.7% | 1,644,242 | +53% | 0.02% | $11,345,270 |
| Jefferies Financial Group Inc. | 1.6% | 1,576,905 | +15% | 0.09% | $10,880,645 |
| Eagle Health Investments LP | 1.6% | 1,519,388 | +62% | 2.3% | $10,483,777 |
| D. E. Shaw & Co., Inc. | 1.5% | 1,453,876 | +114% | 0.01% | $10,031,744 |
| MILLENNIUM MANAGEMENT LLC | 1.4% | 1,387,658 | -49% | 0.01% | $9,574,840 |
| Aisling Capital Management LP | 1.2% | 1,198,418 | 0% | 1.7% | $8,269,084 |
| MORGAN STANLEY | 1.2% | 1,137,520 | +10% | 0% | $7,848,890 |
| Siren, L.L.C. | 1% | 1,000,000 | 0.21% | $6,900,000 | |
| RENAISSANCE TECHNOLOGIES LLC | 1% | 967,846 | +1.8% | 0.01% | $6,678,137 |
| Propel Bio Management, LLC | 0.9% | 861,778 | +69% | 5.1% | $5,946,268 |
| TWO SIGMA ADVISERS, LP | 0.89% | 856,500 | +56% | 0.01% | $5,909,850 |
| Point72 Asset Management, L.P. | 0.88% | 844,816 | 0.01% | $5,829,230 | |
| Kalehua Capital Management LLC | 0.85% | 819,692 | 0% | 5.7% | $5,655,875 |
| DAFNA Capital Management LLC | 0.84% | 811,046 | 0% | 1.3% | $5,596,217 |
| PFM Health Sciences, LP | 0.81% | 779,618 | -53% | 0.54% | $5,379,364 |
| NEXTBio Capital Management LP | 0.78% | 752,631 | 0% | 3% | $5,193,154 |
| AMERIPRISE FINANCIAL INC | 0.67% | 645,065 | -47% | 0% | $4,450,948 |
| BlackRock, Inc. | 0.62% | 594,269 | +41% | 0% | $4,100,456 |
| CenterBook Partners LP | 0.6% | 578,828 | -9% | 0.2% | $3,993,913 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 54,874,032 | $378,520,367 | -$2,401,463 | $6.90 | 163 |
| 2025 Q3 | 55,478,445 | $317,956,932 | +$43,716,633 | $5.73 | 156 |
| 2025 Q2 | 51,583,152 | $144,431,981 | -$1,393,321 | $2.80 | 138 |
| 2025 Q1 | 51,907,228 | $148,440,425 | +$56,948,835 | $2.86 | 133 |
| 2024 Q4 | 30,929,042 | $116,907,663 | -$20,846,000 | $3.78 | 128 |
| 2024 Q3 | 32,763,643 | $206,367,035 | +$27,403,973 | $6.30 | 128 |
| 2024 Q2 | 28,409,803 | $171,575,414 | +$1,889,820 | $6.04 | 116 |
| 2024 Q1 | 27,439,335 | $227,960,097 | +$39,222,122 | $8.32 | 112 |
| 2023 Q4 | 22,952,328 | $200,843,193 | +$1,082,314 | $8.75 | 121 |
| 2023 Q3 | 22,280,531 | $164,869,713 | +$104,007,721 | $7.40 | 110 |
| 2023 Q2 | 8,294,747 | $68,684,596 | +$755,774 | $8.28 | 94 |
| 2023 Q1 | 8,180,991 | $81,262,630 | +$5,919,312 | $9.93 | 96 |
| 2022 Q4 | 7,596,486 | $60,996,989 | -$1,347,268 | $8.03 | 100 |
| 2022 Q3 | 7,469,096 | $80,193,999 | +$6,774,033 | $10.73 | 92 |
| 2022 Q2 | 6,824,644 | $73,767,367 | -$11,822,313 | $10.82 | 86 |
| 2022 Q1 | 7,723,302 | $99,547,423 | -$8,010,808 | $12.89 | 84 |
| 2021 Q4 | 7,545,637 | $166,751,619 | -$17,849,624 | $22.10 | 109 |
| 2021 Q3 | 7,609,549 | $227,364,277 | -$10,697,423 | $29.87 | 103 |
| 2021 Q2 | 7,724,088 | $294,563,899 | +$104,310,691 | $38.15 | 102 |
| 2021 Q1 | 4,941,852 | $181,943,613 | -$36,356,466 | $36.82 | 78 |
| 2020 Q4 | 5,817,136 | $277,164,269 | -$2,554,807 | $47.64 | 54 |
| 2020 Q3 | 5,493,873 | $192,316,000 | +$192,278,000 | $34.90 | 37 |
| 2020 Q2 | 1,000 | $38,000 | $38.00 | 1 | |
| 2020 Q1 | 1,000 | $38,000 | $38.00 | 1 | |
| 2019 Q4 | 1,000 | $38,000 | $38.00 | 1 | |
| 2019 Q3 | 1,000 | $38,000 | $38.00 | 1 | |
| 2019 Q2 | 1,000 | $38,000 | $38.00 | 1 | |
| 2019 Q1 | 1,000 | $38,000 | $38.00 | 1 |