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Super Investors White Mountains Advisors LLC
WM

White Mountains Advisors LLC

Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.

Portfolio value
—
Positions
1
Quarter ended
September 30, 2021
Filed
November 12, 2021

Reported portfolio value by quarter (27 quarters reported)

$695M —
Q4 14 Q3 16 Q1 18 Q3 19 Q1 21 Q3 21

$191M in Q4 2014 → — now. Hover for any quarter.

Holdings

As reported for the quarter ended September 30, 2021. Activity is the change in share count since the prior quarter's filing.

Holding % of portfolio Activity Shares Value
0 0 NaN% Unchanged 0 —

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.

Q3 2021

quarter ended September 30, 2021 · filed November 12, 2021

No position changes this quarter.

Q2 2021

quarter ended June 30, 2021 · filed August 12, 2021

No position changes this quarter.

Q1 2021

quarter ended March 31, 2021 · filed May 14, 2021

No position changes this quarter.

Q4 2020

quarter ended December 31, 2020 · filed February 12, 2021

Company Action Shares changed Value of change % of portfolio
SS SPDR S&P 500 ETF Tr Exited −190,803 −$63.9M —
VI Vanguard Index Fds Exited −55,096 −$17M —
IT Ishares Tr Exited −11,500 −$3.87M —
0 0 New +0 — —

Q3 2020

quarter ended September 30, 2020 · filed November 12, 2020

Company Action Shares changed Value of change % of portfolio
SS SPDR S&P 500 ETF Tr Trimmed −1,012,815 −$339M 75.4%
IT Ishares Tr Trimmed −104,200 −$35M 4.6%
VI Vanguard Index Fds Trimmed −70,000 −$21.5M 20.0%

Q2 2020

quarter ended June 30, 2020 · filed August 12, 2020

Company Action Shares changed Value of change % of portfolio
SS SPDR S&P 500 ETF Tr Trimmed −131,900 −$40.7M 83.9%

Q1 2020

quarter ended March 31, 2020 · filed May 12, 2020

Company Action Shares changed Value of change % of portfolio
SS SPDR S&P 500 ETF Tr Trimmed −54,000 −$13.9M 85.3%

Q4 2019

quarter ended December 31, 2019 · filed February 12, 2020

Company Action Shares changed Value of change % of portfolio
SS SPDR S&P 500 ETF Tr Trimmed −84,500 −$27.2M 85.7%

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