C WorldWide Group Holding A/S ZLAB ZAI LAB LTD

Ownership history in C WorldWide Group Holding A/S  ·  8 quarters on record

AI Ownership Summary

C WorldWide Group Holding A/S reported ZAI LAB LTD (ZLAB) in 8 quarterly 13F filings from 2024 Q2 through 2026 Q1. Peak portfolio weight reached 0.27% in 2025 Q3. The latest visible filing shows ZLAB at 0.21% 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 ZLAB ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was C WorldWide Group Holding A/S's position in ZAI LAB LTD, 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 Q1

ZLAB was reported at 0.21% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.27% in 2025 Q3

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

Time in book
Holding Window
2024 Q2 to 2026 Q1

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 C WorldWide Group Holding A/S held ZLAB — position size vs. price
% of Fund (quarterly)    ZLAB price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 8 quarters  
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 UNCHANGED 510,000 0% 0.21% $10K 2026-05-06 $21.01
2025 Q4 UNCHANGED 510,000 0% 0.16% $9.0M 2026-02-04 $17.00
2025 Q3 UNCHANGED 510,000 0% 0.27% $17.3M 2025-11-05 $24.80
2025 Q2 ADDED 510,000 +50,000 +10.9% 0.24% $17.8M 2025-08-06 $38.72
2025 Q1 REDUCED 8.0% -3.2% 460,000 -40,000 -8.0% 0.21% $16.6M 2025-05-05 $30.95
2024 Q4 UNCHANGED 500,000 0% 0.16% $13.1M 2025-02-04 $26.77
2024 Q3 UNCHANGED 500,000 0% 0.13% $12.1M 2024-11-05 $30.92
2024 Q2 INITIATED 500,000 0.09% $8.7M 2024-07-31 $19.03

FAQ About C WorldWide Group Holding A/S and ZLAB

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

How long has C WorldWide Group Holding A/S reported owning ZLAB?

C WorldWide Group Holding A/S reported ZLAB across 8 quarterly 13F filings, from 2024 Q2 through 2026 Q1.

What was the largest reported ZLAB position in C WorldWide Group Holding A/S's portfolio?

The largest reported portfolio weight for ZLAB was 0.27% in 2025 Q3.

What is the latest reported ZLAB position on this page?

The most recent filing on this page is 2026 Q1, when C WorldWide Group Holding A/S reported 510,000 shares, equal to 0.21% of portfolio, with an estimated market value of $10K.

What does the chart on this ZLAB ownership page compare?

The chart compares C WorldWide Group Holding A/S's quarterly ZLAB 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 C WorldWide Group Holding A/S time their ZLAB position?

Based on 13F filing dates vs. subsequent ZLAB price moves, C WorldWide Group Holding A/S correctly timed 1 out of 3 reported position changes (33%). The annualised alpha on ZLAB relative to SPY over the holding period was -11.0%.

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