ESSEX INVESTMENT MANAGEMENT CO LLC - WHITE MTNS INS GROUP LTD ownership

WHITE MTNS INS GROUP LTD's ticker is WTM and the CUSIP is G9618E107. A total of 243 filers reported holding WHITE MTNS INS GROUP LTD in Q4 2018. The put-call ratio across all filers is - and the average weighting 0.3%.

Quarter-by-quarter ownership
ESSEX INVESTMENT MANAGEMENT CO LLC ownership history of WHITE MTNS INS GROUP LTD
ValueSharesWeighting
Q3 2021$75,000
-6.2%
700.0%0.01%0.0%
Q2 2021$80,000
+2.6%
700.0%0.01%
-10.0%
Q1 2021$78,000
+11.4%
700.0%0.01%
+11.1%
Q4 2020$70,000
+27.3%
700.0%0.01%
+12.5%
Q3 2020$55,000
-11.3%
700.0%0.01%
-20.0%
Q2 2020$62,000
-3.1%
700.0%0.01%
-23.1%
Q1 2020$64,000
-17.9%
700.0%0.01%
+30.0%
Q4 2019$78,000
+2.6%
700.0%0.01%
-9.1%
Q3 2019$76,000
+5.6%
700.0%0.01%
+10.0%
Q2 2019$72,000
+10.8%
700.0%0.01%0.0%
Q1 2019$65,000
-45.8%
70
-50.0%
0.01%
+11.1%
Q4 2018$120,0001400.01%
Other shareholders
WHITE MTNS INS GROUP LTD shareholders Q4 2018
NameSharesValueWeighting ↓
Wallace Capital Management Inc. 81,304$147,765,06621.41%
ELKHORN PARTNERS LIMITED PARTNERSHIP 16,110$29,27920.16%
Mraz, Amerine & Associates, Inc. 21,031$38,222,7957.85%
SPEECE THORSON CAPITAL GROUP INC 11,431$20,7754.25%
Cove Street Capital, LLC 2,485$4,5163.24%
River Road Asset Management, LLC 116,320$211,405,7843.03%
REINHART PARTNERS, LLC. 37,879$68,842,8182.86%
Southeastern Asset Management 21,423$38,935,2311.70%
Cannell & Spears LLC 30,066$54,642,7141.13%
SUTTON PLACE INVESTORS LLC 929$1,688,4111.12%
View complete list of WHITE MTNS INS GROUP LTD shareholders