Latest Period
Q4 2025
Security Snapshot
COMPASS Pathways plc - Ordinary Shares (CMPS) Institutional Ownership
CUSIP: 20451W101
13F Institutional Holders and Ownership History from Q1 2019 to Q1 2026
Institutions Reporting
168
Shares (Excl. Options)
54,978,360
Price
$6.90
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- Type / Class
- Equity / Ordinary Shares
- Symbol
- CMPS on Nasdaq
- Shares outstanding
- 96,062,702
- Price per share
- $5.53
- All holders as of 31 Dec 2025
- Q4 2025
- Total 13F shares
- 54,978,360
- Total reported value
- $379,240,230
- % of total 13F portfolios
- 0%
- Share change
- -2,516,133
- Value change
- -$9,837,666
- Number of holders
- 168
- Price from insider filings
- $5.53
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors
Quick Takeaways
- CMPS - COMPASS Pathways plc - Ordinary Shares is tracked under CUSIP 20451W101.
- 168 institutions reported positions in Q4 2025.
- 10 significant owners is listed from Schedule 13D/13G reporting.
What Changed
- Holder count moved from 168 to 63 between Q4 2025 and Q1 2026.
- Reported value moved from $379,240,230 to $43,365,619.
Why This Matters
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Source Evidence
Source: SEC Form 13F
Open SEC Evidence
Latest holder context comes from 168 institutions filings for Q4 2025.
Investment Quick Answers
What is CUSIP 20451W101?
CUSIP 20451W101 identifies CMPS - COMPASS Pathways plc - Ordinary Shares in SEC 13F datasets.
Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.
Next ownership checks
Use the next link that matches the question you still need to answer about this security.
- Latest 13F filings when you want to inspect fresh institutional portfolio moves.
- Latest Schedule 13D/13G reports when you need large-owner changes outside the 13F cycle.
- All institutional ownership pages to compare this security with other holder-history pages.
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 20451W101:
Significant Owners of COMPASS Pathways plc - Ordinary Shares (CMPS) based on Schedule 13D/G filings
| 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, 168 institutional investors reported holding 54,978,360 shares of COMPASS Pathways plc - Ordinary Shares (CMPS). This represents 57% of the company’s total 96,062,702 outstanding shares.
Top 25 Institutional Shareholders
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 |
Institutional Holders of COMPASS Pathways plc - Ordinary Shares (CMPS) across Reporting Periods
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 7,850,194 | $43,365,619 | +$1,597,798 | $5.53 | 63 |
| 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 | |
| 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 |