Weiss Asset Management LP CNCK — COINCHECK GROUP NV

Ownership history in Weiss Asset Management LP  ·  4 quarters on record

AI Ownership Summary

Weiss Asset Management LP reported COINCHECK GROUP NV (CNCK) in 4 quarterly 13F filings from 2024 Q4 through 2025 Q4. Peak portfolio weight reached 0.04% in 2024 Q4. The latest visible filing shows CNCK at 0.01% 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 CNCK ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Weiss Asset Management LP's position in COINCHECK GROUP NV, 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

CNCK was reported at 0.01% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.04% in 2024 Q4

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

Time in book
Holding Window
2024 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.

CNCK stock page Weiss Asset Management LP fund profile Weiss Asset Management LP full holdings
How Weiss Asset Management LP held CNCK — position size vs. price
% of Fund (quarterly)    CNCK price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 4 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q4 REDUCED 54.4% -41.3% ✅ 194,081 -231,919 -54.4% 0.01% $489K 2026-02-14 (Est.) $2.60
2025 Q3 ADDED — — — 426,000 +346,624 +436.7% 0.02% $2.0M 2025-11-14 $3.31
2025 Q1 REDUCED 63.9% +7.7% ❌ 79,376 -140,625 -63.9% 0.01% $403K 2025-05-15 $6.12
2024 Q4 INITIATED — — — 220,001 — — 0.04% $2.0M 2025-02-14 $7.18

🏢 Other funds also holding CNCK

As of 2025 Q4 — sorted by position size

Kepos Capital LP 3Y 7Y 3.75% Ghisallo Capital Management LLC 3Y 0.12% Shay Capital LLC 3Y 0.02% Virtu Financial LLC 3Y 7Y 0.0% LINDEN ADVISORS LP 3Y 7Y 0.0% MOORE CAPITAL MANAGEMENT, LP 3Y 7Y 0.0% HRT FINANCIAL LP 3Y 7Y 0.0% Qube Research & Technologies Ltd 3Y 7Y 0.0% HIGHBRIDGE CAPITAL MANAGEMENT LLC 3Y 7Y 0.0% GEODE CAPITAL MANAGEMENT, LLC 3Y 7Y 0.0%

FAQ About Weiss Asset Management LP and CNCK

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

How long has Weiss Asset Management LP reported owning CNCK?

Weiss Asset Management LP reported CNCK across 4 quarterly 13F filings, from 2024 Q4 through 2025 Q4.

What was the largest reported CNCK position in Weiss Asset Management LP's portfolio?

The largest reported portfolio weight for CNCK was 0.04% in 2024 Q4.

What is the latest reported CNCK position on this page?

The most recent filing on this page is 2025 Q4, when Weiss Asset Management LP reported 194,081 shares, equal to 0.01% of portfolio, with an estimated market value of $489K.

What does the chart on this CNCK ownership page compare?

The chart compares Weiss Asset Management LP's quarterly CNCK 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 Weiss Asset Management LP time their CNCK position?

Based on 13F filing dates vs. subsequent CNCK price moves, Weiss Asset Management LP correctly timed 1 out of 3 reported position changes (33%). The annualised alpha on CNCK relative to SPY over the holding period was -127.3%.

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