Security Snapshot

COMPASS Pathways plc - Ordinary Shares, par value GBP 0.008 per share (CMPS) Institutional Ownership

CUSIP: 20451W101

13F Institutional Holders and Ownership History from Q1 2019 to Q1 2026

Latest Period

Q1 2026

Institutions Reporting

191

Shares (Excl. Options)

92,513,848

Price

$5.53

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Latest holder snapshot 5 signals
Portfolio coverage rank
0%
Share change
+37,782,699
Value change
+$202,736,004
Number of holders
191
Issuer context Names, identifiers, and filing context for this profile. 3 identity fields
Shares outstanding
131,025,970
SEC-reported price per share
$9.37
Insider filing price
$9.37
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors

Key facts

  • CMPS - COMPASS Pathways plc - Ordinary Shares, par value GBP 0.008 per share is tracked under CUSIP 20451W101.
  • 191 institutions reported positions in Q1 2026.
  • 10 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 168 to 191 between Q4 2025 and Q1 2026.
  • SEC-reported value moved from $379,240,230 to $511,466,543.

Research use

  • 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.

Evidence

Source: SEC Form 13F

Latest holder context comes from 191 institutions filings for Q1 2026.

Open SEC evidence

Security key

20451W101

Latest holder period

Q1 2026

13F holders

191

13D/G owners

10

CIK / CUSIP context first

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
10
Security
CMPS
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

Top 25 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
55%
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

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
29
Latest
Q1 2026
Rows shown
1-25 of 29
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
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