Mason Hawkins

Net selling

Southeastern Asset Management Inc/Tn/ — managed by Mason Hawkins; US equity positions disclosed quarterly via SEC 13F

Data as of 2026-06-30 (filed 2026-08-14) · Source: SEC EDGAR

Portfolio value$1.92B (−6%)

Holdings47 (−2)

Top holdingRayonier Inc

Below band2

New

Added

Exited

By what price implies: 16 demand a demanding growth rate, 2 modest.

13F × valuation

Valuation posture

Of 14 valued US positions, 2 trade below a conservative value band (as of 2026-08-25):

Affiliated Managers GroupAMG16% · below
Paypal Hldgs IncPYPL7% · below

13F · concentration

Lonely conviction

Held by ≤2 tracked superinvestors, each ≥3% of this portfolio (as of 2026-06-30):

Rayonier IncRYN11% · 1
Cnx Res CorpCNX8% · 2

SEC 13F · latest filing

Holdings

Security	Value	Valuation	Holders	Shares	Weight	Signal
Rayonier IncRYN	$202.0M	—	1	9,491,347	10.5%	—
Mattel IncMAT	$171.0M	—	4	12,322,555	8.9%	Core 8q
Cnx Res CorpCNX	$158.2M	—	2	4,663,053	8.3%	Big new
People IncPPLI	$144.6M	—	3	3,131,835	7.5%	Core 8q
Albertsons Companies IncACI	$116.8M	—	3	8,636,262	6.1%	Adding 4q
Regeneron PharmaceuticalsREGN	$95.0M	—	5	152,322	5.0%	Big new
Fortune Brands Innovations IFBIN	$92.6M	—	8	1,687,109	4.8%	—
Kraft Heinz CoKHC	$85.2M	—	10	3,607,946	4.4%	—
Abbott LaboratoriesABT	$76.3M	—	8	840,747	4.0%	Big new
Fedex CorpFDX	$61.0M	—	10	194,828	3.2%	—
Mgm Resorts InternationalMGM	$55.9M	—	5	1,169,513	2.9%	—
Empire St Rlty Tr IncESRT	$47.0M	—	1	8,696,434	2.5%	Adding 3q
Avantor IncAVTR	$46.8M	—	8	4,725,478	2.4%	—
Pvh CorporationPVH	$46.8M	—	6	629,897	2.4%	—
Liberty Cap CorpGLIBK	$41.7M	—	2	1,935,424	2.2%	No trim 4q
Cnh Indl N VCNH	$39.5M	—	6	3,518,270	2.1%	—
Shenandoah TelecommunicationSHEN	$39.5M	—	1	2,616,797	2.1%	—
White Mtns Ins Group LtdWTM	$35.5M	—	1	17,104	1.8%	—
Graham Hldgs CoGHC	$33.3M	—	4	29,156	1.7%	—
Atlanta Braves Hldgs IncBATRK	$31.4M	—	1	605,091	1.6%	—
Tripadvisor IncTRIP	$31.0M	—	2	2,258,466	1.6%	—
Fidelity Natl Information SvFIS	$29.9M	—	4	769,137	1.6%	—
Alexanders IncALX	$27.3M	—	1	99,013	1.4%	—
Boston Beer IncSAM	$25.9M	—	2	146,043	1.3%	—
Clearwater Paper CorpCLW	$24.1M	—	2	1,539,556	1.3%	Adding 3q

Rayonier IncRYN—
Value$202.0MValuation—Holders1Weight10.5%
Mattel IncMATCore 8q
Value$171.0MValuation—Holders4Weight8.9%
Cnx Res CorpCNXBig new
Value$158.2MValuation—Holders2Weight8.3%
People IncPPLICore 8q
Value$144.6MValuation—Holders3Weight7.5%
Albertsons Companies IncACIAdding 4q
Value$116.8MValuation—Holders3Weight6.1%
Regeneron PharmaceuticalsREGNBig new
Value$95.0MValuation—Holders5Weight5.0%
Fortune Brands Innovations IFBIN—
Value$92.6MValuation—Holders8Weight4.8%
Kraft Heinz CoKHC—
Value$85.2MValuation—Holders10Weight4.4%
Abbott LaboratoriesABTBig new
Value$76.3MValuation—Holders8Weight4.0%
Fedex CorpFDX—
Value$61.0MValuation—Holders10Weight3.2%
Mgm Resorts InternationalMGM—
Value$55.9MValuation—Holders5Weight2.9%
Empire St Rlty Tr IncESRTAdding 3q
Value$47.0MValuation—Holders1Weight2.5%
Avantor IncAVTR—
Value$46.8MValuation—Holders8Weight2.4%
Pvh CorporationPVH—
Value$46.8MValuation—Holders6Weight2.4%
Liberty Cap CorpGLIBKNo trim 4q
Value$41.7MValuation—Holders2Weight2.2%
Cnh Indl N VCNH—
Value$39.5MValuation—Holders6Weight2.1%
Shenandoah TelecommunicationSHEN—
Value$39.5MValuation—Holders1Weight2.1%
White Mtns Ins Group LtdWTM—
Value$35.5MValuation—Holders1Weight1.8%
Graham Hldgs CoGHC—
Value$33.3MValuation—Holders4Weight1.7%
Atlanta Braves Hldgs IncBATRK—
Value$31.4MValuation—Holders1Weight1.6%
Tripadvisor IncTRIP—
Value$31.0MValuation—Holders2Weight1.6%
Fidelity Natl Information SvFIS—
Value$29.9MValuation—Holders4Weight1.6%
Alexanders IncALX—
Value$27.3MValuation—Holders1Weight1.4%
Boston Beer IncSAM—
Value$25.9MValuation—Holders2Weight1.3%
Clearwater Paper CorpCLWAdding 3q
Value$24.1MValuation—Holders2Weight1.3%

Showing top 25 of 47 positions

Exited this quarter (4)Bio Rad Labs Inc、Constellation Brands Inc、Clarivate Plc、Fiserv Inc

What is a superinvestor

About this investor

Portfolio overview

Southeastern Asset Management Inc/Tn/'s most recent 13F filing, for the quarter ended 2026-06-30, reports 47 positions worth $1.92B. The top 5 holdings represent 41% of that value, a moderately concentrated portfolio.

The single largest position is Rayonier Inc at 10.5% of the portfolio, followed by Mattel Inc at 8.9% and Cnx Res Corp at 8.3%.

Against the prior quarter, Mason Hawkins opened 2 new positions, exited 4, added to 8, and trimmed 24. The largest new buy was Abbott Laboratories. The most notable sale was the full exit from Bio Rad Labs Inc.

Across all 8 quarters on file, Mattel Inc has appeared in every filing, as has Cnx Res Corp. Mattel Inc currently ranks second by value.

A 13F is filed roughly 45 days after quarter-end and covers only long positions in US-listed equities, so it is a lagging and partial view of the portfolio. Source: SEC EDGAR.

Mason Hawkins has no positions in the strike zone right now. Browse the whole market by value band

Sources· SEC EDGAR 13F as of 2026-06-30 · filed 2026-08-14

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