Latest Period
Q1 2026
CUSIP: 20451W101
Latest Period
Q1 2026
Institutions Reporting
191
Shares (Excl. Options)
92,513,848
Price
$5.53
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Latest holder context comes from 191 institutions filings for Q1 2026.
Security key
20451W101
Latest holder period
Q1 2026
13F holders
191
13D/G owners
10
CIK / CUSIP context first
Broader feeds
Open recent reporting periods for CUSIP 20451W101:
13D/G owners
Large-stake holder rows connected to Schedule 13D/G evidence.
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| RTW INVESTMENTS, LP | 9.9% | 0% | $71,732,788 | +$19,339,372 | 12,971,571 | +37% | RTW Investments, LP | 31 Mar 2026 |
| 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 Mar 2026, 191 institutional investors reported holding 92,513,848 shares of COMPASS Pathways plc - Ordinary Shares, par value GBP 0.008 per share (CMPS). This represents 71% of the company’s total 131,025,970 outstanding shares.
13F concentration
Largest 13F positions for this security by reported shares and value.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| Deep Track Capital, LP | 9.3% | 12,161,496 | +66% | 1.4% | $67,253,073 |
| RTW INVESTMENTS, LP | 8.1% | 10,632,390 | +21% | 0.59% | $58,797,117 |
| MARSHALL WACE, LLP | 3.1% | 4,038,335 | 0.02% | $22,331,992 | |
| TANG CAPITAL MANAGEMENT LLC | 3.1% | 4,002,200 | 1.1% | $22,132,166 | |
| BIT Capital GmbH | 2.7% | 3,491,234 | +1109% | 1.1% | $19,306,524 |
| ARK Investment Management LLC | 2.5% | 3,301,050 | +53% | 0.14% | $18,254,806 |
| MILLENNIUM MANAGEMENT LLC | 2.4% | 3,138,522 | +126% | 0.01% | $17,356,027 |
| GMT Capital Corp | 2.3% | 3,078,536 | +8.2% | 0.78% | $17,024,304 |
| TWO SIGMA INVESTMENTS, LP | 2% | 2,583,499 | +57% | 0.01% | $14,286,749 |
| DAFNA Capital Management LLC | 1.8% | 2,418,882 | +198% | 3% | $13,376,417 |
| BAKER BROS. ADVISORS LP | 1.8% | 2,344,720 | 0.07% | $12,966,302 | |
| Eagle Health Investments LP | 1.6% | 2,060,427 | +36% | 2.4% | $11,394,161 |
| NEXTBio Capital Management LP | 1.5% | 2,021,407 | +169% | 5.2% | $11,178,381 |
| UBS Group AG | 1.4% | 1,855,070 | -9% | 0% | $10,258,537 |
| Caption Management, LLC | 1.2% | 1,610,130 | 0.42% | $8,904,019 | |
| Sio Capital Management, LLC | 1.1% | 1,506,525 | 1.2% | $8,331,083 | |
| HEIGHTS CAPITAL MANAGEMENT, INC | 1.1% | 1,492,415 | 2.3% | $8,253,055 | |
| Jefferies Financial Group Inc. | 1.1% | 1,467,362 | -6.9% | 0.1% | $8,114,512 |
| Aisling Capital Management LP | 1.1% | 1,432,336 | +20% | 1.7% | $7,920,818 |
| PFM Health Sciences, LP | 1% | 1,367,099 | +75% | 0.8% | $7,560,057 |
| MORGAN STANLEY | 0.92% | 1,205,887 | +6% | 0% | $6,668,557 |
| ORBIMED ADVISORS LLC | 0.88% | 1,150,646 | 0.14% | $6,363,072 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 0.86% | 1,122,588 | +491% | 0.01% | $6,207,912 |
| Affinity Asset Advisors, LLC | 0.85% | 1,108,483 | +454% | 0.36% | $6,129,911 |
| Ally Bridge Group (NY) LLC | 0.8% | 1,045,000 | 5.7% | $5,778,850 |
Quarter history
Holder count, reported shares/value, and median price by quarter.
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 92,513,848 | $511,466,543 | +$202,736,004 | $5.53 | 191 |
| 2025 Q4 | 54,978,360 | $379,240,230 | -$9,837,666 | $6.90 | 168 |
| 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 |