LEE DANNER & BASS INC WTM — White Mountain Ins COM

Ownership history in LEE DANNER & BASS INC  ·  76 quarters on record

AI Ownership Summary

LEE DANNER & BASS INC reported White Mountain Ins COM (WTM) in 76 quarterly 13F filings from 2023 Q4 through 2026 Q1. Peak portfolio weight reached 0.51% in 2024 Q4. The latest visible filing shows WTM at 0.44% 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 LEE DANNER & BASS INC's position in White Mountain Ins COM, 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

WTM was reported at 0.44% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.51% 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
2023 Q4 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.

WTM stock page LEE DANNER & BASS INC fund profile LEE DANNER & BASS INC full holdings
How LEE DANNER & BASS INC held WTM — position size vs. price
% of Fund (quarterly)    WTM price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 9 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 ADDED — — — 3,203 +100 +3.2% 0.44% $7.0M 2026-04-28 $2263.69
2025 Q4 REDUCED — — — 3,103 -45 -1.4% 0.46% $6.4M 2026-01-29 $2051.23
2025 Q3 UNCHANGED — — — 3,148 — 0% 0.38% $5.3M 2025-10-29 $1897.13
2025 Q2 UNCHANGED — — — 3,148 — 0% 0.44% $5.7M 2025-07-31 $1786.99
2025 Q1 REDUCED — — — 3,148 -132 -4.0% 0.49% $6.1M 2025-04-29 $1779.95
2024 Q4 REDUCED — — — 3,280 -3 -0.1% 0.51% $6.4M 2025-02-11 $1876.31
2024 Q3 UNCHANGED — — — 3,283 — 0% 0.39% $5.6M 2024-10-30 $1820.02
2024 Q2 UNCHANGED — — — 3,283 — 0% 0.46% $6.0M 2024-07-30 $1762.50
2023 Q4 UNCHANGED — — — 3,283 — 0% 0.42% $4.9M 2024-02-01 $1608.77
67 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding WTM

As of 2026 Q1 — sorted by position size

Triad Investment Management 3Y 7Y 6.05% REINHART PARTNERS, LLC. 3Y 7Y 2.36% Lexington Hill Partners, LLC 0.65% Sage Investment Counsel LLC 0.49% BRAVE ASSET MANAGEMENT INC 3Y 7Y 0.48% DIVERSIFIED MANAGEMENT INC 0.44% B.O.S.S. Retirement Advisors, LLC 3Y 0.36% Shotwell Rutter Baer Inc 0.31% Bryant Woods Investment Advisors, LLC 3Y 0.27% Eagle Bay Advisors LLC 3Y 0.2%

FAQ About LEE DANNER & BASS INC and WTM

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

How long has LEE DANNER & BASS INC reported owning WTM?

LEE DANNER & BASS INC reported WTM across 9 quarterly 13F filings, from 2023 Q4 through 2026 Q1.

What was the largest reported WTM position in LEE DANNER & BASS INC's portfolio?

The largest reported portfolio weight for WTM was 0.51% in 2024 Q4.

What is the latest reported WTM position on this page?

The most recent filing on this page is 2026 Q1, when LEE DANNER & BASS INC reported 3,203 shares, equal to 0.44% of portfolio, with an estimated market value of $7.0M.

What does the chart on this WTM ownership page compare?

The chart compares LEE DANNER & BASS INC'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.

How well did LEE DANNER & BASS INC time their WTM position?

Based on 13F filing dates vs. subsequent WTM price moves, LEE DANNER & BASS INC correctly timed 12 out of 26 reported position changes (46%). The annualised alpha on WTM relative to SPY over the holding period was -2.4%.

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