Security key
20451W101
COMPASS Pathways plc - Ordinary Shares, par value GBP 0.008 per share (CMPS)
CUSIP: 20451W101
Q3 2026 13F Holders as of 30 Sep 2026
- Security type / class
- Equity / Ordinary Shares, par value GBP 0.008 per share
- Total 13F shares
- 925,625
- Total 13F value
- $11,274,107
- Share change
- +70,111
- SEC-reported price per share
- $12.44
- Number of holders
- 31
- Value change
- +$212,949
- Number of buys
- 14
- Number of sells
- 8
- Shares outstanding
- 131,025,970
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q3 2026
Institutions
31
Top holders
10
CMPS full security history
Ownership snapshot
Full 13F holder table
COMPASS Pathways plc SEC filings
COMPASS Pathways plc company facts
Broader feeds
Ownership snapshot
Top reported holders of CMPS - COMPASS Pathways plc - Ordinary Shares, par value GBP 0.008 per share (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Deep Track Capital, LP
Disclosed value leader
Deep Track Capital, LP
Comparable rows
10/15
Latest evidence
30 Jun 2026
13F
13D/G
3/4/5
Lead comparable stake: 10%
5 rows are not safely comparable across share classes.
13D/G row: Deep Track Capital, LP
Showing 1-6 of 15 holder rows.
Quick read
Deep Track Capital, LP leads the comparable SEC ownership view at 10%.
10 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Deep Track Capital, LP's linked filing trail.
Comparable ownership
Top 5
Deep Track Capital, LP
10%
RTW INVESTMENTS, LP
9.9%
Atai Beckley N.V.
6%
AtaiBeckley Inc.
5%
TCG Crossover GP I, LLC
3.9%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Deep Track Capital, LP |
13F
13D/G
Company
|
10%
Reported 13D/G
· 10 Jan 2025
|
$172,085,168
12,161,496 shares
|
— | 30 Jun 2026 |
| RTW INVESTMENTS, LP |
13F
13D/G
Company
|
9.9%
Reported 13D/G
· 31 Mar 2026
|
$151,418,782
10,700,974 shares
|
— | 30 Jun 2026 |
| Atai Beckley N.V. |
3/4/5
13D/G
10%+ Owner · ATAI Life Sciences N.V.
|
6%
Reported 13D/G
· 27 Oct 2025
|
$41,779,933
6,905,774 shares
|
— | 26 Sep 2024 |
| AtaiBeckley Inc. |
13D/G
|
5%
Reported 13D/G
· 21 Jan 2026
|
$37,260,032
4,764,710 shares
|
$0 | 21 Jan 2026 |
| TCG Crossover GP I, LLC |
13D/G
Chen Yu
|
3.9%
Reported 13D/G
· 30 Jun 2025
|
$14,197,440
3,858,000 shares
|
$0 | 30 Jun 2025 |
| Nantahala Capital Management, LLC |
13D/G
|
3.6%
Reported 13D/G
· 30 Sep 2025
|
$19,965,125
3,484,315 shares
|
-$14,038,500 | 30 Sep 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q3 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
31
Shares
925,625
Rows available
31
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q3 2026 vs Q2 2026 Across Filers
Q2 2026 holders
224
Q3 2026 holders
31
Holder diff
-193
| Investor | Q2 2026 Shares | Q3 2026 Shares | Share Diff | Share Chg % | Q2 2026 value | Q3 2026 value | Value change | Value Chg % |
|---|