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Equibles

CMPS

COMPASS Pathways plc

Company with tickers: CMPS

CIK
1816590
CUSIP
20451W101
Shares Outstanding
134,949,320
13F Activity (30d)
151 filings 149 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 196
Total Value: $540,727,737
Total Shares: 97,780,800
Showing 1–100 of 208 holdings by value · page 1 of 3

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 196 13F filers · Δ vs Dec 31, 2025
Top Holder
12.4%
Jun 2023 → Mar 2026 · range 12.2% – 28.2%
−2.6 pts
Top 5
35.2%
Jun 2023 → Mar 2026 · range 35.2% – 59.3%
−5.2 pts
Top 10
52.0%
Jun 2023 → Mar 2026 · range 52.0% – 78.1%
−2.8 pts
HHI
435
Jun 2023 → Mar 2026 · range 435 – 1,181
Broadly held −101

Quarterly Activity

vs Dec 31, 2025
New
54
Increased
72
Decreased
27
Sold Out
27
Unchanged
43
Holder count: +27
Institutional value: +34.2%
Shares held: +67.5%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Mid Deep Track Capital, LP +4,827,173 12,161,496
Mid BIT Capital GmbH +3,202,420 3,491,234
Large RTW INVESTMENTS, LP +1,875,000 10,632,390
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP +1,783,463 3,387,888
Mega MILLENNIUM MANAGEMENT LLC +1,750,864 3,138,522

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Large TORONTO DOMINION BANK −2,251,258 277,755
Mega D. E. Shaw & Co., Inc. −1,217,496 236,380
Large Point72 Asset Management, L.P. −821,216 23,600
Small DLD Asset Management, LP −329,800 107,600
Mega SCHRODER INVESTMENT MANAGEMENT GROUP −270,462 300,000

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Large MARSHALL WACE, LLP 4,038,335 $22,331,991
Mid TANG CAPITAL MANAGEMENT LLC 4,002,200 $22,132,166
Large Caption Management, LLC 3,610,230 $19,964,571
Large BAKER BROS. ADVISORS LP 2,344,720 $12,966,301
Small Sio Capital Management, LLC 1,506,525 $8,331,083

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Mid Siren, L.L.C. 1,000,000 $6,900,000
Large TWO SIGMA ADVISERS, LP 856,500 $5,909,850
Small Blue Owl Capital Holdings LP 469,914 $3,242,406
Mid Nantahala Capital Management, LLC 443,293 $3,058,721
Small Squadron Capital Management LLC 388,287 $2,679,180
Filter: New 54 Increased 72 Reduced 27 Sold out 27 Unchanged 43
Showing 100 of 208
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Mid Deep Track Capital, LP $67,253,072 12.44% 12,161,496
Large RTW INVESTMENTS, LP $58,797,116 10.87% 10,632,390
Large MARSHALL WACE, LLP $22,331,991 4.13% 4,038,335
Mid TANG CAPITAL MANAGEMENT LLC $22,132,166 4.09% 4,002,200
Mid BIT Capital GmbH $19,306,524 3.57% 3,491,234
Large ARK Investment Management LLC $18,254,806 3.38% 3,301,050
Mega MILLENNIUM MANAGEMENT LLC $17,356,026 3.21% 3,138,522
Mid GMT Capital Corp $17,024,304 3.15% 3,078,536
Mega TWO SIGMA INVESTMENTS, LP $14,286,749 2.64% 2,583,499
Small DAFNA Capital Management LLC $13,376,417 2.47% 2,418,882
Large BAKER BROS. ADVISORS LP $12,966,301 2.40% 2,344,720
Small Eagle Health Investments LP $11,394,161 2.11% 2,060,427
Small NEXTBio Capital Management LP $11,178,380 2.07% 2,021,407
Large Caption Management, LLC $11,060,553 2.05% 2,000,100
Mega UBS Group AG $10,258,535 1.90% 1,855,070
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $9,116,205 1.69% 1,648,500
Large Caption Management, LLC $8,904,018 1.65% 1,610,130
Small Sio Capital Management, LLC $8,331,083 1.54% 1,506,525
Small HEIGHTS CAPITAL MANAGEMENT, INC $8,253,054 1.53% 1,492,415
Large Jefferies Financial Group Inc. $8,114,511 1.50% 1,467,362
Small Aisling Capital Management LP $7,920,818 1.46% 1,432,336
Small PFM Health Sciences, LP $7,560,057 1.40% 1,367,099
Mega MORGAN STANLEY $6,668,553 1.23% 1,205,887
Mid ORBIMED ADVISORS LLC $6,363,072 1.18% 1,150,646
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $6,207,911 1.15% 1,122,588
Mid Affinity Asset Advisors, LLC $6,129,910 1.13% 1,108,483
Small Ally Bridge Group (NY) LLC $5,778,850 1.07% 1,045,000
Large Alyeska Investment Group, L.P. $5,530,000 1.02% 1,000,000
Large Qube Research & Technologies Ltd $5,245,503 0.97% 948,554
Large RENAISSANCE TECHNOLOGIES LLC $4,785,407 0.88% 865,354
Small Creek Drive Management Group LLC $4,562,250 0.84% 825,000
Small Kalehua Capital Management LLC $4,532,896 0.84% 819,692
Small Propel Bio Management, LLC $4,103,530 0.76% 742,049
Mega BlackRock, Inc. $3,778,321 0.70% 683,241
Mid Eversept Partners, LP $3,748,919 0.69% 677,924
Mid Ikarian Capital, LLC $3,732,750 0.69% 675,000
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $3,410,904 0.63% 616,800
Mega AMERIPRISE FINANCIAL INC $3,154,842 0.58% 570,496
Small Parkman Healthcare Partners LLC $3,065,892 0.57% 554,411
Mid Hennion & Walsh Asset Management, Inc. $2,696,837 0.50% 487,674
Mid Jump Financial, LLC $2,516,150 0.47% 455,000
Mid CenterBook Partners LP $2,263,080 0.42% 409,237
Mid ROYCE & ASSOCIATES LP $2,112,935 0.39% 382,086
Small Birchview Capital, LP $2,073,750 0.38% 375,000
Mega GOLDMAN SACHS GROUP INC $2,055,484 0.38% 371,697
Mega Sumitomo Mitsui Trust Group, Inc. $2,039,618 0.38% 368,828
Mid Amova Asset Management Americas, Inc. $2,039,618 0.38% 368,828
Small HighVista Strategies LLC $2,014,910 0.37% 364,360
Large Walleye Capital LLC $2,002,700 0.37% 362,152
Mega JANE STREET GROUP, LLC $1,890,269 0.35% 341,821
Large Trexquant Investment LP $1,710,334 0.32% 309,283
Mid SEVEN GRAND MANAGERS, LLC $1,659,000 0.31% 300,000
Large ADAGE CAPITAL PARTNERS GP, L.L.C. $1,659,000 0.31% 300,000
Small SILVERARC CAPITAL MANAGEMENT, LLC $1,659,000 0.31% 300,000
Mega SCHRODER INVESTMENT MANAGEMENT GROUP $1,659,000 0.31% 300,000
Large TORONTO DOMINION BANK Bank $1,535,985 0.28% 277,755
Mid Susquehanna Portfolio Strategies, LLC $1,525,024 0.28% 275,773
Mega CITADEL ADVISORS LLC $1,490,274 0.28% 269,489
Mid SIMPLEX TRADING, LLC $1,479,081 0.27% 267,465
Mid Burkehill Global Management, LP $1,382,500 0.26% 250,000
Small AdvisorShares Investments LLC $1,364,466 0.25% 246,739
Mega ROYAL BANK OF CANADA Bank $1,352,228 0.25% 244,526
Mega D. E. Shaw & Co., Inc. $1,307,181 0.24% 236,380
Mega Legal & General Group Plc $1,279,559 0.24% 231,385
Mid Engineers Gate Manager LP $1,205,495 0.22% 217,992
Micro Brown University Endowment $1,184,526 0.22% 214,200
Mid Vivo Capital, LLC $1,106,000 0.20% 200,000
Large PEAK6 LLC $1,106,000 0.20% 200,000
Mid BOOTHBAY FUND MANAGEMENT, LLC $1,057,916 0.20% 191,305
Mid GROUP ONE TRADING LLC $1,049,334 0.19% 189,753
Mid DISCOVERY CAPITAL MANAGEMENT, LLC / CT $993,829 0.18% 179,716
Mega CITADEL ADVISORS LLC $990,976 0.18% 179,200
Large Woodline Partners LP $970,177 0.18% 175,439
Small STABLEFORD CAPITAL II LLC $891,098 0.16% 161,139
Small Simplify Asset Management Inc. $879,557 0.16% 159,052
Small Seven Fleet Capital Management LP $873,856 0.16% 158,021
Mega CITADEL ADVISORS LLC $840,007 0.16% 151,900
Mid Saba Capital Management, L.P. $835,212 0.15% 151,033
Mid IQ EQ FUND MANAGEMENT (IRELAND) Ltd $816,172 0.15% 147,590
Mega WELLS FARGO & COMPANY/MN $776,340 0.14% 140,387
Large Centiva Capital, LP $691,250 0.13% 125,000
Small Palo Alto Investors LP $639,356 0.12% 115,616
Large Schonfeld Strategic Advisors LLC $568,638 0.11% 102,828
Mid Virtu Financial LLC $458,990 0.08% 83,000
Mega STATE STREET CORP $444,844 0.08% 80,442
Micro Lion Point Capital, LP $442,400 0.08% 80,000
Mega JANE STREET GROUP, LLC $418,068 0.08% 75,600
Mid Polar Asset Management Partners Inc. $414,750 0.08% 75,000
Micro PSP Research LLC $392,630 0.07% 71,000
Mid LANDSCAPE CAPITAL MANAGEMENT, L.L.C. $378,720 0.07% 68,485
Small DLD Asset Management, LP $377,146 0.07% 68,200
Mega JANE STREET GROUP, LLC $374,934 0.07% 67,800
Mid Aquatic Capital Management LLC $351,337 0.06% 63,533
Mega GEODE CAPITAL MANAGEMENT, LLC $348,179 0.06% 62,962
Small Intellectus Partners, LLC $337,330 0.06% 61,000
Small FLAX POND CAPITAL, LLC $290,689 0.05% 52,566
Mid Atom Investors LP $265,771 0.05% 48,060
Large HRT FINANCIAL LP $253,749 0.05% 45,886
Micro Fore Capital, LLC $248,850 0.05% 45,000
Mid Y-Intercept (Hong Kong) Ltd $248,728 0.05% 44,978

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