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WTM logo WTM — WHITE MTNS INS GROUP LTD

CUSIP: G9618E107 · Held by 3 superinvestors · Combined value: $71,372,018

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Quarterly Activity Chart Adds vs. Reduces by Quarter
Green bars = share additions · Red bars = share reductions
Superinvestor Holders
# Investor % of Portfolio Value ($) Shares Recent Activity Share Change
1 Mason Hawkins 2.9% $65,773,805 31,652 - -
2 Jim Simons 0.0% $3,119,123 1,501 REDUCE -350
3 Ken Griffin 0.0% $2,479,090 1,193 ADD +912
Quarterly Activity History (2 quarters)
Investor Activity Share Change % Change
Ken Griffin ADD +912 +324.6%
Jim Simons REDUCE -350 -18.9%
Investor Activity Share Change % Change
Jim Simons NEW BUY +1,851 New
Mason Hawkins ADD +10,558 +50.1%
Ken Griffin REDUCE -890 -76.0%

Who Owns WTM? Superinvestor Holdings

WHITE MTNS INS GROUP LTD is held by 3 tracked superinvestors, with a combined position value of $71 million . The largest positions are held by Mason Hawkins (2.9% of portfolio), Jim Simons (0.0% of portfolio), Ken Griffin (0.0% of portfolio).

In the most recent quarter, 1 superinvestor added or initiated positions while 1 reduced or exited.