What does CUSIP G9618E107 represent in this 13F holders report?

CUSIP G9618E107 is the security identifier for WTM - WHITE MOUNTAINS INSURANCE GROUP LTD - Common Stock used to aggregate holder disclosures.

How many institutions held WTM - WHITE MOUNTAINS INSURANCE GROUP LTD - Common Stock in Q1 2017?

199 institutional investors reported WTM - WHITE MOUNTAINS INSURANCE GROUP LTD - Common Stock for Q1 2017. Use the holders table for investor-level position and value details.

WHITE MOUNTAINS INSURANCE GROUP LTD - Common Stock (WTM)

CUSIP: G9618E107

Q1 2017 13F Holders as of 31 Mar 2017

Type / Class: Equity / Common Stock
Shares outstanding: 2,470,907
Total 13F shares: 3,828,423
Share change: +243,179
Total reported value: $3,367,813,853
Price per share: $879.88
Number of holders: 199
Value change: +$214,197,149
Number of buys: 88
Number of sells: 90

Quarterly Holders Quick Answers

What is CUSIP G9618E107?
CUSIP G9618E107 identifies WTM - WHITE MOUNTAINS INSURANCE GROUP LTD - Common Stock in SEC institutional holdings data.

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Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q2 2017
Previous quarter: Q4 2016

Recent filing periods for CUSIP G9618E107:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of WTM - WHITE MOUNTAINS INSURANCE GROUP LTD - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
FRANKLIN RESOURCES INC	13F	Company	29%	720,670	$602,516,000	—	31 Dec 2016	13F
VANGUARD GROUP INC	13F	Company	12%	300,497	$251,231,000	—	31 Dec 2016	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	9.8%	241,454	$201,868,000	—	31 Dec 2016	13F
LONDON CO OF VIRGINIA	13F	Company	7.9%	195,238	$163,229,000	—	31 Dec 2016	13F
FULLER & THALER ASSET MANAGEMENT, INC.	13F	Company	6.4%	158,016	$132,109,000	—	31 Dec 2016	13F
PRINCIPAL FINANCIAL GROUP INC	13F	Company	6.2%	153,394	$128,246,000	—	31 Dec 2016	13F
WELLINGTON MANAGEMENT GROUP LLP	13F	Company	5.6%	138,168	$115,514,000	—	31 Dec 2016	13F
Boston Partners	13F	Company	5.1%	124,979	$104,489,000	—	31 Dec 2016	13F
BlackRock Institutional Trust Company, N.A.	13F	Company	4.9%	121,061	$101,213,000	—	31 Dec 2016	13F
JENNISON ASSOCIATES LLC	13F	Company	4%	99,004	$82,772,000	—	31 Dec 2016	13F
River Road Asset Management, LLC	13F	Company	3.8%	93,958	$78,554,000	—	31 Dec 2016	13F
Wallace Capital Management Inc.	13F	Company	2.9%	71,760	$59,995,000	—	31 Dec 2016	13F
THIRD AVENUE MANAGEMENT LLC	13F	Company	2.6%	64,091	$53,583,000	—	31 Dec 2016	13F
STATE STREET CORP	13F	Company	2.4%	59,834	$50,026,000	—	31 Dec 2016	13F
ATLANTA CAPITAL MANAGEMENT CO L L C	13F	Company	2.3%	57,098	$47,737,000	—	31 Dec 2016	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	2.3%	55,807	$46,658,000	—	31 Dec 2016	13F
FENIMORE ASSET MANAGEMENT INC	13F	Company	2.3%	55,692	$46,561,000	—	31 Dec 2016	13F
BANK OF AMERICA CORP /DE/	13F	Company	2.1%	53,080	$44,378,000	—	31 Dec 2016	13F
BlackRock Fund Advisors	13F	Company	1.9%	47,645	$39,834,000	—	31 Dec 2016	13F
WELLS FARGO & COMPANY/MN	13F	Company	1.8%	43,803	$36,621,000	—	31 Dec 2016	13F
Cannell & Co.	13F	Company	1.5%	37,617	$31,450,000	—	31 Dec 2016	13F
REINHART PARTNERS, LLC.	13F	Company	1.5%	37,569	$31,410,000	—	31 Dec 2016	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	1.4%	34,024	$28,445,000	—	31 Dec 2016	13F
HERMES INVESTMENT MANAGEMENT LTD	13F	Company	1.4%	33,600	$28,091,000	—	31 Dec 2016	13F
THOMPSON SIEGEL & WALMSLEY LLC	13F	Company	1.3%	33,050	$27,631,000	—	31 Dec 2016	13F
SCOUT INVESTMENTS, INC.	13F	Company	1.3%	31,713	$26,514,000	—	31 Dec 2016	13F
NORTHERN TRUST CORP	13F	Company	1.3%	31,029	$25,942,000	—	31 Dec 2016	13F
Mraz, Amerine & Associates, Inc.	13F	Company	1.2%	30,594	$25,578,000	—	31 Dec 2016	13F
IMPAX ASSET MANAGEMENT LLC	13F	Company	1.2%	29,515	$24,676,000	—	31 Dec 2016	13F
ELKHORN PARTNERS LIMITED PARTNERSHIP	13F	Company	1.2%	28,740	$24,028,000	—	31 Dec 2016	13F
Mascoma Wealth Management LLC	13F	Company	0.99%	24,551	$20,526,000	—	31 Dec 2016	13F
PARAMETRIC PORTFOLIO ASSOCIATES LLC	13F	Company	0.87%	21,429	$17,916,000	—	31 Dec 2016	13F
MARTINGALE ASSET MANAGEMENT L P	13F	Company	0.8%	19,881	$16,623,000	—	31 Dec 2016	13F
AMERIPRISE FINANCIAL INC	13F	Company	0.8%	19,833	$16,580,000	—	31 Dec 2016	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.8%	19,674	$16,449,000	—	31 Dec 2016	13F
AQR CAPITAL MANAGEMENT LLC	13F	Company	0.79%	19,507	$16,309,000	—	31 Dec 2016	13F
Invesco Ltd.	13F	Company	0.77%	19,059	$15,934,000	—	31 Dec 2016	13F
Brandywine Global Investment Management, LLC	13F	Company	0.77%	19,046	$15,924,000	—	31 Dec 2016	13F
NORGES BANK	13F	Company	0.77%	19,016	$15,898,000	—	31 Dec 2016	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	0.71%	17,600	$14,714,000	—	31 Dec 2016	13F
GoodHaven Capital Management, LLC	13F	Company	0.71%	17,589	$14,705,000	—	31 Dec 2016	13F
Bank of New York Mellon Corp	13F	Company	0.67%	16,662	$13,931,000	—	31 Dec 2016	13F
SPEECE THORSON CAPITAL GROUP INC	13F	Company	0.67%	16,563	$13,847,000	—	31 Dec 2016	13F
HighTower Advisors, LLC	13F	Company	0.61%	14,990	$12,533,000	—	31 Dec 2016	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	0.53%	13,031	$10,895,000	—	31 Dec 2016	13F
NEW YORK STATE COMMON RETIREMENT FUND	13F	Company	0.43%	10,692	$8,939,000	—	31 Dec 2016	13F
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	13F	Company	0.4%	10,000	$8,361,000	—	31 Dec 2016	13F
Russell Investments Group, Ltd.	13F	Company	0.39%	9,674	$8,098,000	—	31 Dec 2016	13F
Aperio Group, LLC	13F	Company	0.37%	9,237	$7,723,000	—	31 Dec 2016	13F
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM	13F	Company	0.37%	9,111	$7,617,000	—	31 Dec 2016	13F

Institutional Holders of WHITE MOUNTAINS INSURANCE GROUP LTD - Common Stock (WTM) as of Q1 2017

As of 31 Mar 2017, WHITE MOUNTAINS INSURANCE GROUP LTD - Common Stock (WTM) was held by 199 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 3,828,423 shares. The largest 10 holders included FRANKLIN RESOURCES INC, VANGUARD GROUP INC, PRICE T ROWE ASSOCIATES INC /MD/, BlackRock Inc., LONDON CO OF VIRGINIA, FULLER & THALER ASSET MANAGEMENT, INC., PRINCIPAL FINANCIAL GROUP INC, WELLINGTON MANAGEMENT GROUP LLP, Boston Partners, and River Road Asset Management, LLC. This page lists 199 institutional shareholders reporting positions in this security for the Q1 2017 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q1 2017 vs Q4 2016 Across Filers

Q4 2016 holders

202

Q1 2017 holders

199

Holder diff

-3

Investor	Q4 2016 Shares	Q1 2017 Shares	Share Diff	Share Chg %	Q4 2016 Value $	Q1 2017 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.