Tom Gayner’s Core Laboratories CLB Stock Holding History

Tom Gayner’s Portfolio CLB Stock Details CLB Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2017 Q3	–	Sell	-110,000	Closed	-$11.1M	–	140
2017 Q2	$11.1M	Hold	110,000	–	–	0.24%	79
2017 Q1	$12.7M	Hold	110,000	–	–	0.29%	73
2016 Q4	$13.2M	Hold	110,000	–	–	0.32%	64
2016 Q3	$12.4M	Hold	110,000	–	–	0.32%	63
2016 Q2	$13.6M	Hold	110,000	–	–	0.36%	59
2016 Q1	$12.4M	Buy	110,000 +1,000	+0.9%	+$104K	0.33%	62
2015 Q4	$11.9M	Hold	109,000	–	–	0.32%	65
2015 Q3	$10.9M	Hold	109,000	–	–	0.29%	71
2015 Q2	$12.4M	Buy	109,000 +7,000	+7%	+$849K	0.31%	64
2015 Q1	$10.7M	Buy	102,000 +77,000	+308%	+$8.2M	0.27%	66
2014 Q4	$3.01M	Buy	25,000 +15,000	+150%	+$1.97M	0.08%	92
2014 Q3	$1.46M	Hold	10,000	–	–	0.04%	98
2014 Q2	$1.67M	Hold	10,000	–	–	0.05%	94
2014 Q1	$1.98M	Hold	10,000	–	–	0.06%	96
2013 Q4	$1.91M	Hold	10,000	–	–	0.06%	97
2013 Q3	$1.69M	Buy	10,000 +4,000	+67%	+$621K	0.06%	98
2013 Q2	$910K	Buy	+6,000	New	+$850K	0.03%	99

Other funds holding CLB

ClearBridge Investments New York $121B AUM 27.52% 1-Year Est. Return

WCM Investment Management Laguna Beach, California $55.2B AUM 57.07% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

SGA

Sustainable Growth Advisers Stamford, Connecticut $10.2B AUM 1.48% 1-Year Est. Return

Kayne Anderson Rudnick Investment Management Los Angeles, California $32.2B AUM 10.98% 1-Year Est. Return

EARNEST Partners Atlanta, Georgia $27.7B AUM 52.44% 1-Year Est. Return

Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Wedgewood Partners St Louis, Missouri $484M AUM 16.04% 1-Year Est. Return

Tom Gayner's CLB Position: Q3 2017 in Review

Tom Gayner sold out of Core Laboratories (CLB) in Q3 2017, closing a stake of 110,000 shares — an estimated $11.1M sold.

Tom Gayner first reported a position in CLB in Q2 2013 and held it in 17 quarters. The position peaked at $13.6M in Q2 2016. 345 funds tracked by Wall St. Rank hold CLB as of Q3 2017.

Tom Gayner reported no remaining Core Laboratories position as of Q3 2017 after selling out during the quarter.
Tom Gayner sold 110,000 Core Laboratories shares in Q3 2017, an estimated $11.1M.
Tom Gayner first reported a position in Core Laboratories in Q2 2013 and held it in 17 quarters.
Tom Gayner's Core Laboratories position peaked at $13.6M in Q2 2016.
345 funds tracked by Wall St. Rank held Core Laboratories as of Q3 2017.

Based on Markel Group's 13F filing for Q3 2017, filed 27 Oct 2017.