CMPX COMPASS THERAPEUTICS INC

Ownership history in Monashee Investment Management LLC  ·  17 quarters on record

AI Ownership Summary

Monashee Investment Management LLC reported COMPASS THERAPEUTICS INC (CMPX) in 17 quarterly 13F filings from 2023 Q4 through 2025 Q4. Peak portfolio weight reached 3.03% in 2025 Q4. The latest visible filing shows CMPX at 3.03% 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. Older history is available after unlock; the visible window still shows the most recent pattern.

What this CMPX ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Monashee Investment Management LLC's position in COMPASS THERAPEUTICS INC, 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
2025 Q4

CMPX was reported at 3.03% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
3.03% in 2025 Q4

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

Time in book
Holding Window
2023 Q4 to 2025 Q4

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.

How Monashee Investment Management LLC held CMPX — position size vs. price
% of Fund (quarterly)    CMPX price (quarter-end, indexed to 100)
📋 Quarterly Holdings History 9 quarters  
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q4 REDUCED 1,000,000 -250,000 -20.0% 3.03% $5.4M 2026-02-14 (Est.) $6.28
2025 Q3 ADDED 1,250,000 +1,085,000 +657.6% 2.18% $4.4M 2025-11-12 $4.90
2025 Q2 REDUCED 165,000 -283,164 -63.2% 0.16% $429K 2025-08-11 $3.34
2025 Q1 UNCHANGED 448,164 0% 0.10% $852K 2025-05-14 $2.00
2024 Q4 REDUCED 448,164 -51,836 -10.4% 0.09% $650K 2025-02-14 $3.38
2024 Q3 UNCHANGED 500,000 0% 0.10% $920K 2024-11-12 $1.79
2024 Q2 UNCHANGED 500,000 0% 0.06% $500K 2024-08-12 $1.13
2024 Q1 UNCHANGED 500,000 0% 0.12% $990K 2024-05-14 $1.62
2023 Q4 REDUCED 500,000 -726,142 -59.2% 0.14% $780K 2024-02-12 $1.62
8 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

FAQ About Monashee Investment Management LLC and CMPX

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

How long has Monashee Investment Management LLC reported owning CMPX?

Monashee Investment Management LLC reported CMPX across 9 quarterly 13F filings, from 2023 Q4 through 2025 Q4.

What was the largest reported CMPX position in Monashee Investment Management LLC's portfolio?

The largest reported portfolio weight for CMPX was 3.03% in 2025 Q4.

What is the latest reported CMPX position on this page?

The most recent filing on this page is 2025 Q4, when Monashee Investment Management LLC reported 1,000,000 shares, equal to 3.03% of portfolio, with an estimated market value of $5.4M.

What does the chart on this CMPX ownership page compare?

The chart compares Monashee Investment Management LLC's quarterly CMPX 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.

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