WHITE MTNS INS GROUP LTD

Ticker: WTM CUSIP: G9618E107 Class: COM

Port Capital LLC's Holding History (CIK: 0001729212)

Note: Option positions (PUT/CALL) are excluded.

Q2 2019

Shares 5,455 Value ($000) $5,572 Avg Close $961.99 Range $906.22 - $1052.17

Q1 2019

Shares 9,180 Value ($000) $8,496 Avg Close $905.92 Range $850.75 - $961.49

Q4 2018

Shares 9,190 Value ($000) $7,882 Avg Close $891.29 Range $832.88 - $942.35

Q3 2018

Shares 9,050 Value ($000) $8,470 Avg Close $926.90 Range $895.01 - $980.89

Q2 2018

Shares 8,080 Value ($000) $7,325 Avg Close $880.88 Range $804.40 - $933.70

Q1 2018

Shares 8,430 Value ($000) $6,934 Avg Close $825.48 Range $786.23 - $858.09

Q4 2017

Shares 8,675 Value ($000) $7,385 Avg Close $874.10 Range $841.33 - $903.26

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2019	5,455	$5,572	$961.99	$906.22 - $1052.17
Q1 2019	9,180	$8,496	$905.92	$850.75 - $961.49
Q4 2018	9,190	$7,882	$891.29	$832.88 - $942.35
Q3 2018	9,050	$8,470	$926.90	$895.01 - $980.89
Q2 2018	8,080	$7,325	$880.88	$804.40 - $933.70
Q1 2018	8,430	$6,934	$825.48	$786.23 - $858.09
Q4 2017	8,675	$7,385	$874.10	$841.33 - $903.26