Mason Hawkins - Longleaf Partners 13F Activity & Position Changes (Q4 2020)

According to the SEC 13F filed on Feb 16, 2021, the Longleaf Partners portfolio showed several notable changes in holdings as of quarter-end Dec 31, 2020. The activity included new positions, additions to existing holdings, reductions, and complete exits, providing a clear view of how the portfolio evolved during the quarter.

During Q4 2020, the filing reported:

New Buys - Douglas Emmett, Inc.

Increases - Affiliated Managers Group, Inc., Everest Group, Empire State Realty Trust, Inc., MGM Resorts International, Trip.com Group Limited

Reductions - Baidu, Inc., Comcast Corporation, CNH Industrial, CNX Resources Corporation, DuPont de Nemours, Inc., and 7 more

Complete Exits - Liberty Media Corp Formula One Group, Summit Materials, Inc., Worthington Enterprises, Inc., WideOpenWest, Inc.

These updates highlight how the portfolio adjusted across different sectors and market conditions, offering insights into allocation shifts and investment trends.

Date	Symbol	Name	Type	Change Qty	% Change	Value	Remaining
Q4 2020	AMG Affiliated Managers Group, Inc.	Affiliated Managers Group, Inc.	Buy	+215,995	+15.4%	$164.51K	1,617,619
Q4 2020	BIDU Baidu, Inc.	Baidu, Inc.	Sell	-110,706	-10.8%	$197.51K	913,369
Q4 2020	CMCSA Comcast Corporation	Comcast Corporation	Sell	-62,262	-1.3%	$254.28K	4,852,595
Q4 2020	CNH CNH Industrial	CNH Industrial	Sell	-919,820	-23.6%	$38.30K	2,983,123
Q4 2020	CNX CNX Resources Corporation	CNX Resources Corporation	Sell	-79,143	-0.2%	$383.49K	35,507,974
Q4 2020	DD DuPont de Nemours, Inc.	DuPont de Nemours, Inc.	Sell	-258,525	-9.0%	$184.83K	2,599,162
Q4 2020	DEI Douglas Emmett, Inc.	Douglas Emmett, Inc.	Buy - Position Entry	+4,137,247	-	$120.72K	4,137,247
Q4 2020	EG Everest Group	Everest Group	Buy	+3,019	+0.8%	$94.46K	403,537
Q4 2020	ESRT Empire State Realty Trust, Inc.	Empire State Realty Trust, Inc.	Buy	+744,135	+4.9%	$149.15K	16,002,669
Q4 2020	FDX FedEx Corporation	FedEx Corporation	Sell	-138,889	-13.6%	$229.92K	885,610
Q4 2020	FWONK Liberty Media Corp Formula One Group	Liberty Media Corp Formula One Group	Sell - Position Exit	-8,640	-100.0%	$0.00	-
Q4 2020	GHC Graham Holdings Company	Graham Holdings Company	Sell	-57,353	-20.5%	$118.35K	221,882
Q4 2020	H Hyatt Hotels Corporation	Hyatt Hotels Corporation	Sell	-255,642	-5.9%	$305.41K	4,113,227
Q4 2020	HOUS Anywhere Real Estate Inc.	Anywhere Real Estate Inc.	Sell	-8,274	-0.1%	$114.92K	8,758,983
Q4 2020	MAT Mattel, Inc.	Mattel, Inc.	Sell	-10,660,998	-38.0%	$303.93K	17,417,239
Q4 2020	MGM MGM Resorts International	MGM Resorts International	Buy	+2,090,108	+42.1%	$222.24K	7,053,064
Q4 2020	PCH PotlatchDeltic Corporation - Co	PotlatchDeltic Corporation - Co	Sell	-431,211	-23.7%	$69.40K	1,387,349
Q4 2020	SUM Summit Materials, Inc.	Summit Materials, Inc.	Sell - Position Exit	-325,567	-100.0%	$0.00	-
Q4 2020	TCOM Trip.com Group Limited	Trip.com Group Limited	Buy	+22,643	+1.8%	$42.19K	1,250,835
Q4 2020	WMB Williams Companies, Inc. (The)	Williams Companies, Inc. (The)	Sell	-49,005	-0.5%	$181.99K	9,076,966
Q4 2020	WOR Worthington Enterprises, Inc.	Worthington Enterprises, Inc.	Sell - Position Exit	-117,000	-100.0%	$0.00	-
Q4 2020	WOW WideOpenWest, Inc.	WideOpenWest, Inc.	Sell - Position Exit	-260,712	-100.0%	$0.00	-