← All Investors
Mason Hawkins - Southeastern Asset Management
Mason Hawkins founded Southeastern Asset Management in 1975 and runs the Longleaf Partners funds with a concentrated, deep-value, engaged-ownership philosophy.
Mason Hawkins - Southeastern Asset Management manages a $2B U.S. equity portfolio of 49 positions, based on the latest SEC Form 13F-HR filing (Q1 2026). Below you'll find every holding, the biggest quarter-over-quarter buys and sells, position weights, and an estimated average buy price.
Portfolio Value
$2B
Positions
49
Top 10 Weight
62.66%
Largest Position
10.92%
As of
Q1 2026
Filed
May 15, 2026
Portfolio Composition
RAYONIER INC10.92%MATTEL INC9.16%IAC Inc.7.92%CNX RES CORP7.61%ALBERTSONS COS INC6.22%
Strategy Snapshot
- › Portfolio value fell 9.5% quarter-over-quarter to $2B.
- › Concentrated portfolio — the top 10 holdings make up 62.7% of assets.
- › This quarter: 0 new buys, 12 adds, 15 trims, 4 full exits — net seller
- › Biggest exit: POTLATCHDELTIC CORPORATION (PCH) ($125M position closed)
Changes since Q4 2025
New Buys
None
Added To / Trimmed
- RAYONIER INC (RYN)++89.5%
- MATTEL INC (MAT)++49.5%
- FEDEX CORP (FDX)−31.1%
- FORTUNE BRANDS INNOVATIONS I (FBIN)++82.8%
- ACM RESH INC (ACMR)−53.4%
- WHITE MTNS INS GROUP LTD−40.4%
- CNX RES CORP (CNX)−15.2%
- REGENERON PHARMACEUTICALS (REGN)−21.2%
- PAYPAL HLDGS INC (PYPL)−95.9%
- ALBERTSONS COS INC (ACI)++20.3%
Current Holdings
| # | Security | Value | % of Portfolio | Avg Buy Price | Price | Gain | vs 52W High | This Qtr | Last Activity | First Buy |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | RAYONIER INC RYN | $221M | 10.92% | ~$23.21 | $20.73 | −10.7% | −24.2% | +89.5% | Bought Q1 2026 | Q3 2025 |
| 2 | MATTEL INC MAT | $186M | 9.16% | ~$15.95 | $13.67 | −14.3% | −39.2% | +49.5% | Bought Q1 2026 | Q2 2024 |
| 3 | IAC Inc. PPLI | $161M | 7.92% | ~$43.00 | $42.38 | −1.4% | −8.5% | +0.8% | Bought Q1 2026 | Q2 2024 |
| 4 | CNX RES CORP CNX | $154M | 7.61% | ~$25.20 | $32.84 | +30.3% | −24.7% | −15.2% | Sold Q1 2026 | Q2 2024 |
| 5 | ALBERTSONS COS INC ACI | $126M | 6.22% | ~$18.11 | $14.41 | −20.4% | −36.7% | +20.3% | Bought Q1 2026 | Q3 2024 |
| 6 | REGENERON PHARMACEUTICALS REGN | $100M | 4.97% | ~$624.70 | $607.93 | −2.7% | −26.0% | −21.2% | Sold Q1 2026 | Q1 2025 |
| 7 | KRAFT HEINZ CO KHC | $88M | 4.37% | ~$28.18 | $23.20 | −17.7% | −20.5% | −12.0% | Sold Q1 2026 | Q4 2024 |
| 8 | FEDEX CORP FDX | $88M | 4.34% | ~$299.84 | $325.93 | +8.7% | −5.6% | −31.1% | Sold Q1 2026 | Q2 2024 |
| 9 | FORTUNE BRANDS INNOVATIONS I FBIN | $83M | 4.13% | ~$45.70 | $40.59 | −11.2% | −37.4% | +82.8% | Bought Q1 2026 | Q2 2025 |
| 10 | MGM RESORTS INTERNATIONAL MGM | $61M | 3.03% | ~$42.59 | $46.94 | +10.2% | −9.0% | −18.2% | Sold Q1 2026 | Q2 2024 |
| 11 | PVH CORPORATION PVH | $51M | 2.53% | ~$82.20 | $76.42 | −7.0% | −24.1% | UNCH | Sold Q4 2025 | Q2 2024 |
| 12 | GCI LIBERTY INC GLIBK | $49M | 2.42% | ~$37.25 | $20.30 | −45.5% | −50.7% | UNCH | Bought Q4 2025 | Q3 2025 |
| 13 | TRIPADVISOR INC TRIP | $49M | 2.41% | ~$12.68 | $12.61 | −0.5% | −37.5% | +62.0% | Bought Q1 2026 | Q1 2025 |
| 14 | BIO RAD LABS INC BIO | $45M | 2.23% | ~$271.71 | $284.67 | +4.8% | −17.0% | −28.5% | Sold Q1 2026 | Q2 2024 |
| 15 | SHENANDOAH TELECOMMUNICATION SHEN | $45M | 2.23% | ~$12.96 | $14.50 | +11.9% | −16.4% | UNCH | Bought Q4 2025 | Q1 2025 |
| 16 | WHITE MTNS INS GROUP LTD | $41M | 2.04% | ~$1766.98 | — | — | — | −40.4% | Sold Q1 2026 | Q2 2024 |
| 17 | CNH INDUSTRIAL NV CNH | $40M | 2.01% | ~$10.13 | $10.28 | +1.5% | −28.0% | UNCH | Sold Q3 2025 | Q2 2024 |
| 18 | GRAHAM HLDGS CO GHC | $39M | 1.96% | ~$722.71 | $1125.43 | +55.7% | −8.1% | +5.7% | Bought Q1 2026 | Q2 2024 |
| 19 | FIDELITY NATL INFORMATION SV FIS | $38M | 1.91% | ~$68.30 | $38.58 | −43.5% | −53.4% | +33.0% | Bought Q1 2026 | Q2 2024 |
| 20 | EMPIRE ST RLTY TR INC ESRT | $33M | 1.66% | ~$6.90 | $5.14 | −25.5% | −41.3% | +74.8% | Bought Q1 2026 | Q2 2024 |
| 21 | ACM RESH INC ACMR | $30M | 1.52% | ~$29.83 | $96.19 | +222.5% | −8.4% | −53.4% | Sold Q1 2026 | Q2 2025 |
| 22 | NEW ORIENTAL ED & TECHNOLOGY EDU | $29M | 1.45% | ~$55.47 | $45.75 | −17.5% | −29.6% | +37.6% | Bought Q1 2026 | Q4 2025 |
| 23 | ATLANTA BRAVES HLDGS INC BATRK | $28M | 1.41% | ~$39.44 | $51.10 | +29.6% | −1.9% | UNCH | Sold Q2 2025 | Q2 2024 |
| 24 | DOLE PLC | $27M | 1.36% | ~$12.86 | — | — | — | UNCH | Sold Q3 2025 | Q2 2024 |
| 25 | AVANTOR INC AVTR | $27M | 1.36% | ~$12.48 | $9.46 | −24.2% | −40.6% | −0.8% | Sold Q1 2026 | Q3 2025 |
| 26 | BOSTON BEER INC SAM | $27M | 1.34% | ~$274.42 | $171.91 | −37.4% | −35.0% | −20.0% | Sold Q1 2026 | Q2 2024 |
| 27 | SHARKNINJA INC SN | $26M | 1.31% | ~$76.77 | $133.56 | +74.0% | −4.3% | −13.3% | Sold Q1 2026 | Q2 2024 |
| 28 | MAGNUM ICE CREAM CO NV ADR | $24M | 1.19% | ~$15.74 | — | — | — | +13.2% | Bought Q1 2026 | Q4 2025 |
| 29 | ALEXANDERS INC ALX | $23M | 1.15% | ~$229.74 | $255.12 | +11.0% | −5.9% | −19.3% | Sold Q1 2026 | Q2 2025 |
| 30 | CLEARWATER PAPER CORP CLW | $21M | 1.08% | ~$23.16 | $16.70 | −27.9% | −46.1% | +10.5% | Bought Q1 2026 | Q2 2025 |
| 31 | KASPI KZ JSC KSPI | $17M | 0.88% | ~$83.14 | $83.27 | +0.2% | −16.1% | UNCH | Bought Q4 2025 | Q2 2025 |
| 32 | H WORLD GROUP LTD HTHT | $11M | 0.57% | ~$33.32 | $43.63 | +30.9% | −23.0% | UNCH | Sold Q4 2025 | Q2 2024 |
| 33 | MELCO RESORTS AND ENTMNT LTD MLCO | $10M | 0.50% | ~$7.41 | $5.44 | −26.6% | −46.4% | UNCH | Sold Q4 2025 | Q2 2024 |
| 34 | GCI LIBERTY INC GLIBA | $2M | 0.15% | ~$37.56 | $20.38 | −45.7% | −51.3% | UNCH | Bought Q3 2025 | Q3 2025 |
| 35 | CARDINAL HEALTH INC CAH | $1M | 0.08% | ~$98.32 | $226.28 | +130.1% | −3.1% | −15.2% | Sold Q1 2026 | Q2 2024 |
| 36 | AFFILIATED MANAGERS GROUP AMG | $1M | 0.08% | ~$156.23 | $355.67 | +127.7% | −2.3% | UNCH | Sold Q4 2025 | Q2 2024 |
| 37 | LIVE NATION ENTERTAINMENT IN LYV | $1M | 0.06% | ~$93.74 | $171.52 | +83.0% | −2.5% | UNCH | Sold Q4 2025 | Q2 2024 |
| 38 | HENRY SCHEIN INC HSIC | $1M | 0.06% | ~$72.94 | $79.97 | +9.6% | −10.4% | UNCH | Sold Q4 2025 | Q3 2024 |
| 39 | Xpo Inc XPO | $1M | 0.06% | ~$106.15 | $201.79 | +90.1% | −13.0% | −51.3% | Sold Q1 2026 | Q2 2024 |
| 40 | HYATT HOTELS CORP H | $1M | 0.05% | ~$151.92 | $201.88 | +32.9% | −2.2% | UNCH | Sold Q4 2025 | Q2 2024 |
| 41 | MADISON SQUARE GRDN SPRT COR MSGS | $1M | 0.05% | ~$188.13 | $361.78 | +92.3% | −8.9% | UNCH | Sold Q4 2025 | Q2 2024 |
| 42 | PAYPAL HLDGS INC PYPL | $1M | 0.05% | ~$58.04 | $42.08 | −27.5% | −47.1% | −95.9% | Sold Q1 2026 | Q2 2024 |
| 43 | ENOVIS CORPORATION ENOV | $1M | 0.05% | ~$39.99 | $20.85 | −47.9% | −43.4% | UNCH | Sold Q4 2025 | Q2 2024 |
| 44 | LAZARD INC LAZ | $790K | 0.04% | ~$38.18 | $43.20 | +13.1% | −26.5% | UNCH | Sold Q4 2025 | Q2 2024 |
| 45 | RXO INC RXO | $639K | 0.03% | ~$26.15 | $24.82 | −5.1% | −16.9% | UNCH | Sold Q4 2025 | Q2 2024 |
| 46 | CONSTELLATION BRANDS INC STZ | $549K | 0.03% | ~$134.67 | $138.96 | +3.2% | −22.0% | UNCH | Bought Q3 2025 | Q3 2025 |
| 47 | CLARIVATE PLC CLVT | $308K | 0.02% | ~$3.83 | $2.06 | −46.2% | −56.8% | UNCH | Bought Q3 2025 | Q3 2025 |
| 48 | HDFC BANK LTD HDB | $260K | 0.01% | ~$57.81 | $24.76 | −57.2% | −37.8% | UNCH | Sold Q4 2025 | Q2 2024 |
| 49 | FISERV INC FISV | $222K | 0.01% | ~$67.17 | $48.77 | −27.4% | −72.5% | UNCH | Bought Q4 2025 | Q2 2024 |
Filing History
| Period | Portfolio Value | QoQ Change | Positions | Filed |
|---|---|---|---|---|
| Q1 2026 | $2B | −9.5% | 49 | May 15, 2026 |
| Q4 2025 | $2B | +14.6% | 53 | Feb 13, 2026 |
| Q3 2025 | $1B | −1.2% | 49 | Nov 14, 2025 |
| Q2 2025 | $1B | +5.7% | 49 | Aug 14, 2025 |
| Q1 2025 | $1B | −11.4% | 43 | May 15, 2025 |
| Q4 2024 | $2B | −0.1% | 44 | Feb 14, 2025 |
| Q3 2024 | $2B | −7.6% | 45 | Nov 14, 2024 |
| Q2 2024 | $2B | — | 46 | Aug 14, 2024 |
Frequently Asked Questions
What stocks does Mason Hawkins - Southeastern Asset Management own?
As of Q1 2026, Mason Hawkins - Southeastern Asset Management held 49 U.S.-listed positions worth $2B. The largest is RAYONIER INC (RYN) (10.92% of the portfolio). The full holdings list is in the table above.
What is Mason Hawkins - Southeastern Asset Management's largest holding?
RAYONIER INC (RYN) — about 10.92% of the equity portfolio as of Q1 2026.
Do these holdings reflect Mason Hawkins - Southeastern Asset Management's current portfolio?
They reflect the latest 13F filing (Q1 2026), which can lag actual trades by up to 45 days and excludes short positions, cash, and non-U.S. holdings.