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Mason Hawkins

Southeastern Asset Management

2026Q1 · filed May 15, 202649 positions · $2.03Btop-5 42%

2026Q1 brief

2026Q1 activity: 8 conviction adds (top: RYN, MAT, ACI); 4 exits (top: PCH, DIS, LPX). Top 5 holdings: RYN, MAT, IAC, CNX, ACI (42% of portfolio).

AI-generated. Not investment advice.

Holdings (49) · click any column to sort

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  • 1RYN
    10.9%
    $222M
    Rayonier Inc
    this Q +90%·6q
  • 2MAT
    9.2%
    $186M
    Mattel Inc
    this Q +49%·35q
  • 3IAC
    7.9%
    $161M
    Iac Inc
    this Q hold·19q
  • 4CNX
    7.6%
    $155M
    Cnx Resources Corp
    this Q hold·34q
  • 5ACI
    6.2%
    $126M
    Albertsons Cos Inc - Class A
    this Q +20%·7q
  • 6REGN
    5.0%
    $101M
    Regeneron Pharmaceuticals
    this Q -21%·5q
  • 7KHC
    4.4%
    $89M
    Kraft Heinz Co/the
    this Q hold·6q
  • 8FDX
    4.3%
    $88M
    Fedex Corp
    this Q -31%·40q
  • 9FBIN
    4.1%
    $84M
    Fortune Brands Innovations I
    this Q +83%·8q
  • 10MGM
    3.0%
    $62M
    Mgm Resorts International
    this Q hold·23q
  • 11PVH
    2.5%
    $51M
    Pvh Corp
    this Q hold·16q
  • 12GLIBK
    2.4%
    $49M
    Gci Liberty Inc-cl C
    this Q hold·3q
  • 13TRIP
    2.4%
    $49M
    Tripadvisor Inc
    this Q +62%·5q
  • 14BIO
    2.2%
    $45M
    Bio-rad Laboratories-a
    this Q -28%·12q
  • 15SHEN
    2.2%
    $45M
    Shenandoah Telecommunication
    this Q hold·5q
  • 16G9618E107
    2.0%
    $41M
    White Mtns Ins Group Ltd
    this Q -40%·18q
  • 17CNH
    2.0%
    $41M
    Cnh Indl N V
    this Q hold·40q
  • 18GHC
    2.0%
    $40M
    Graham Holdings Co-class B
    this Q hold·40q
  • 19FIS
    1.9%
    $39M
    Fidelity National Info Serv
    this Q +33%·13q
  • 20ESRT
    1.7%
    $34M
    Empire State Realty Trust-a
    this Q +75%·25q
  • 21ACMR
    1.5%
    $31M
    Acm Research Inc-class A
    this Q -53%·4q
  • 22EDU
    1.5%
    $30M
    New Oriental Educatio-sp Adr
    this Q +38%·2q
  • 23BATRK
    1.4%
    $29M
    Atlanta Braves Holdings In-c
    this Q hold·11q
  • 24DOLE
    1.4%
    $28M
    Dole Plc
    this Q hold·8q
  • 25AVTR
    1.4%
    $28M
    Avantor Inc
    this Q hold·3q
  • 26SAM
    1.3%
    $27M
    Boston Beer Company Inc-a
    this Q -20%·13q
  • 27G8068L108
    1.3%
    $27M
    Sharkninja Inc
    this Q hold·11q
  • 28N5505D105
    1.2%
    $24M
    Magnum Ice Cream CO NV
    this Q hold·2q
  • 29ALX
    1.1%
    $23M
    Alexander's Inc
    this Q hold·4q
  • 30CLW
    1.1%
    $22M
    Clearwater Paper Corp
    this Q hold·4q
  • 31KSPI
    0.9%
    $18M
    Jsc Kaspi.kz Adr
    this Q hold·4q
  • 32HTHT
    0.6%
    $12M
    H World Group Ltd-adr
    this Q hold·17q
  • 33MLCO
    0.5%
    $10M
    Melco Resorts & Entert-adr
    this Q hold·32q
  • 34GLIBA
    0.1%
    $3M
    Gci Liberty Inc-cl A
    this Q hold·3q
  • 35CAH
    0.1%
    $2M
    Cardinal Health Inc
    this Q hold·19q
  • 36AMG
    0.1%
    $2M
    Affiliated Managers Group
    this Q hold·31q
  • 37LYV
    0.1%
    $1M
    Live Nation Entertainment IN
    this Q hold·13q
  • 38HSIC
    0.1%
    $1M
    Henry Schein Inc
    this Q hold·7q
  • 39XPO
    0.1%
    $1M
    Xpo Inc
    this Q -51%·18q
  • 40H
    0.1%
    $1M
    Hyatt Hotels Corp - CL A
    this Q hold·25q
  • 41MSGS
    0.1%
    $1M
    Madison Square Garden Sports
    this Q hold·20q
  • 42PYPL
    0.1%
    $1M
    Paypal Holdings Inc
    this Q -96%·11q
  • 43ENOV
    0.1%
    $1M
    Enovis Corp
    this Q hold·10q
  • 44LAZ
    <0.1%
    $790K
    Lazard Inc
    this Q hold·9q
  • 45RXO
    <0.1%
    $639K
    Rxo Inc
    this Q hold·14q
  • 46STZ
    <0.1%
    $549K
    Constellation Brands Inc-a
    this Q hold·3q
  • 47G21810109
    <0.1%
    $308K
    Clarivate Plc
    this Q hold·3q
  • 48HDB
    <0.1%
    $260K
    Hdfc Bank Ltd-adr
    this Q hold·10q
  • 49FISV
    <0.1%
    $223K
    Fiserv Inc
    this Q hold·13q

All activity (2026Q1)

  • ADDRYN
    10.9%
    Rayonier Inc
    Δ +90%·$222M
  • ADDMAT
    9.2%
    Mattel Inc
    Δ +49%·$186M
  • ADDACI
    6.2%
    Albertsons Cos Inc - Class A
    Δ +20%·$126M
  • TRIMREGN
    5.0%
    Regeneron Pharmaceuticals
    Δ -21%·$101M
  • EXITPCH
    5.6%
    Potlatchdeltic Corp
    Δ -100%·$0
  • TRIMFDX
    4.3%
    Fedex Corp
    Δ -31%·$88M
  • ADDFBIN
    4.1%
    Fortune Brands Innovations I
    Δ +83%·$84M
  • TRIMBIO
    2.2%
    Bio-rad Laboratories-a
    Δ -28%·$45M
  • TRIMACMR
    1.5%
    Acm Research Inc-class A
    Δ -53%·$31M
  • TRIMG9618E107
    2.0%
    White Mtns Ins Group Ltd
    Δ -40%·$41M
  • ADDTRIP
    2.4%
    Tripadvisor Inc
    Δ +62%·$49M
  • ADDFIS
    1.9%
    Fidelity National Info Serv
    Δ +33%·$39M
  • ADDESRT
    1.7%
    Empire State Realty Trust-a
    Δ +75%·$34M
  • EXITDIS
    1.6%
    Walt Disney Co/the
    Δ -100%·$0
  • ADDEDU
    1.5%
    New Oriental Educatio-sp Adr
    Δ +38%·$30M
  • TRIMPYPL
    0.1%
    Paypal Holdings Inc
    Δ -96%·$1M
  • TRIMSAM
    1.3%
    Boston Beer Company Inc-a
    Δ -20%·$27M
  • EXITLPX
    1.0%
    Louisiana-pacific Corp
    Δ -100%·$0
  • TRIMXPO
    0.1%
    Xpo Inc
    Δ -51%·$1M
  • EXITACH
    <0.1%
    Accendra Health Inc
    Δ -100%·$0

Long US equity 13F-HR filings only — no shorts, no derivatives. SEC filings at EDGAR (CIK 0000807985). Not investment advice.