COMPASS Pathways plc - Ordinary Shares, par value (pound)0.008 per share, represented by American Depositary Shares (CMPS)

Historical Holders from Q1 2019 to Q3 2025

Symbol: CMPS on Nasdaq
Type / Class: Equity / Ordinary Shares, par value (pound)0.008 per share, represented by American Depositary Shares
Shares outstanding: 99,202,938
All holders as of 30 Sep 2025: Q3 2025
Total 13F shares, excl. options: 55,478,245
Holdings value: $317,955,786
% of all portfolios: 0%
Number of holders: 155
Number of buys: 86
Number of sells: -43
Average buys %: +0%
Average sells %: -0%

Reported Shares, Excluding Options vs Price

Reported Value, Excluding Options

Total Investors

Significant Owners of COMPASS Pathways plc - Ordinary Shares, par value (pound)0.008 per share, represented by American Depositary Shares (CMPS)

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
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

Institutional Holders of COMPASS Pathways plc - Ordinary Shares, par value (pound)0.008 per share, represented by American Depositary Shares (CMPS)

Period	Reported Shares, Excl. Options	Value, Excl. Options	Value Change	Puts Notional Value	Calls Notional Value	Price	Investors
2025 Q3	55,478,245	$317,955,786	+$43,716,633	$4,538,073	$18,334,126	$5.73	155
2025 Q2	51,583,152	$144,431,981	-$1,393,321	$1,456,000	$5,197,047	$2.80	138
2025 Q1	51,907,228	$148,440,425	+$56,948,835	$739,024	$998,704	$2.86	133
2024 Q4	30,929,042	$116,907,663	-$20,846,000	$1,015,308	$1,370,628	$3.78	128
2024 Q3	32,763,643	$206,367,035	+$27,403,973	$3,170,916	$3,375,540	$6.30	128
2024 Q2	28,409,803	$171,575,414	+$1,889,820	$2,916,112	$940,428	$6.04	116
2024 Q1	27,439,335	$227,960,097	+$39,222,122	$1,433,536	$901,056	$8.32	112
2023 Q4	22,952,328	$200,843,193	+$1,082,314	$1,300,250	$5,431,125	$8.75	121
2023 Q3	22,280,531	$164,869,713	+$104,007,721	$1,379,360	$4,586,590	$7.40	110
2023 Q2	8,294,747	$68,684,596	+$755,774	$1,015,956	$1,972,738	$8.28	94
2023 Q1	8,180,991	$81,262,630	+$5,919,312	$893,707	$2,257,089	$9.93	96
2022 Q4	7,596,486	$60,996,989	-$1,347,268	$3,124,473	$2,168,100	$8.03	100
2022 Q3	7,469,096	$80,193,999	+$6,774,033	$6,774,000	$4,172,000	$10.73	92
2022 Q2	6,824,644	$73,767,367	-$11,822,313	$9,799,000	$3,195,000	$10.82	86
2022 Q1	7,723,302	$99,547,423	-$8,010,808	$7,884,000	$3,882,000	$12.89	84
2021 Q4	7,545,637	$166,751,619	-$17,849,624	$20,012,000	$17,002,270	$22.10	109
2021 Q3	7,609,549	$227,364,277	-$10,697,423	$38,886,752	$51,600,752	$29.87	103
2021 Q2	7,724,088	$294,563,899	+$104,310,691	$11,514,000	$8,721,000	$38.15	102
2021 Q1	4,941,852	$181,943,613	-$36,356,466	$10,350,000	$11,264,000	$36.82	78
2020 Q4	5,817,136	$277,164,269	-$2,554,807	$10,586,000	$18,889,000	$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