CenterBook Partners LP CMPS — COMPASS PATHWAYS PLC

Ownership history in CenterBook Partners LP  ·  5 quarters on record

AI Ownership Summary

CenterBook Partners LP reported COMPASS PATHWAYS PLC (CMPS) in 5 quarterly 13F filings from 2025 Q3 through 2026 Q3. Peak portfolio weight reached 0.4% in 2026 Q3. The latest visible filing shows CMPS at 0.40% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings.

What this CMPS ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was CenterBook Partners LP's position in COMPASS PATHWAYS PLC, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2026 Q3

CMPS was reported at 0.40% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.4% in 2026 Q3

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2025 Q3 to 2026 Q3

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

CMPS stock page CenterBook Partners LP fund profile CenterBook Partners LP full holdings
How CenterBook Partners LP held CMPS — position size vs. price
% of Fund (quarterly)    CMPS price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 5 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q3 ADDED — — — 695,943 +570,349 +454.1% 0.40% $8.7M 2026-11-02 $8.41
2026 Q2 REDUCED 69.3% -6.5% ✅ 125,594 -283,643 -69.3% 0.09% $1.8M 2026-08-11 $13.38
2026 Q1 REDUCED 29.3% +172.5% ❌ 409,237 -169,591 -29.3% 0.12% $2.3M 2026-05-05 $9.32
2025 Q4 REDUCED 9.0% -19.9% ✅ 578,828 -57,327 -9.0% 0.20% $4.0M 2026-02-11 $6.31
2025 Q3 INITIATED — — — 636,155 — — 0.18% $3.6M 2025-11-07 $5.45

🏢 Other funds also holding CMPS

As of 2026 Q3 — sorted by position size

Axxion S.A. 0.69% Lisanti Capital Growth, LLC 3Y 7Y 0.66% Premier Fund Managers Ltd 3Y 7Y 0.39% MOUNT VERNON ASSOCIATES INC /MD/ 3Y 7Y 0.38% Maxi Investments CY Ltd 3Y 0.2% CHIRON CAPITAL MANAGEMENT, LLC 3Y 0.19% Hennion & Walsh Asset Management, Inc. 3Y 0.16% DCF Advisers, LLC 3Y 0.15% Burns Matteson Capital Management, LLC 0.14% PSP Research LLC 0.09%

FAQ About CenterBook Partners LP and CMPS

These are the practical questions this page is built to answer before you even open the full history table.

How long has CenterBook Partners LP reported owning CMPS?

CenterBook Partners LP reported CMPS across 5 quarterly 13F filings, from 2025 Q3 through 2026 Q3.

What was the largest reported CMPS position in CenterBook Partners LP's portfolio?

The largest reported portfolio weight for CMPS was 0.40% in 2026 Q3.

What is the latest reported CMPS position on this page?

The most recent filing on this page is 2026 Q3, when CenterBook Partners LP reported 695,943 shares, equal to 0.40% of portfolio, with an estimated market value of $8.7M.

What does the chart on this CMPS ownership page compare?

The chart compares CenterBook Partners LP's quarterly CMPS portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

How well did CenterBook Partners LP time their CMPS position?

Based on 13F filing dates vs. subsequent CMPS price moves, CenterBook Partners LP correctly timed 2 out of 4 reported position changes (50%). The annualised alpha on CMPS relative to SPY over the holding period was +36.8%.

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