WTM β€” WHITE MTNS INS GROUP LTD

Ownership history in Virtu Financial LLC  Β·  12 quarters on record

AI Ownership Summary

Virtu Financial LLC reported WHITE MTNS INS GROUP LTD (WTM) in 12 quarterly 13F filings from 2023 Q3 through 2025 Q3. Peak portfolio weight reached 0.05% in 2023 Q3. The latest visible filing shows WTM at 0.03% 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 WTM ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Virtu Financial LLC's position in WHITE MTNS INS GROUP 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
2025 Q3

WTM was reported at 0.03% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.05% in 2023 Q3

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

Time in book
Holding Window
2023 Q3 to 2025 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.

How Virtu Financial LLC held WTM β€” position size vs. price
% of Fund (quarterly)    WTM price (quarter-end, indexed to 100)
πŸ“‹ Quarterly Holdings History 2 quarters  β–Ύ
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q3 REDUCED 309 -29 -8.6% 0.03% $516K 2025-11-14 $1923.79
2023 Q3 ADDED 338 +86 +34.1% 0.05% $505K 2023-11-15 $1463.78
10 older quarters hidden  β€”  Sign in free or upgrade to Premium to see full history

FAQ About Virtu Financial LLC and WTM

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

How long has Virtu Financial LLC reported owning WTM?

Virtu Financial LLC reported WTM across 2 quarterly 13F filings, from 2023 Q3 through 2025 Q3.

What was the largest reported WTM position in Virtu Financial LLC's portfolio?

The largest reported portfolio weight for WTM was 0.05% in 2023 Q3.

What is the latest reported WTM position on this page?

The most recent filing on this page is 2025 Q3, when Virtu Financial LLC reported 309 shares, equal to 0.03% of portfolio, with an estimated market value of $516K.

What does the chart on this WTM ownership page compare?

The chart compares Virtu Financial LLC's quarterly WTM 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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