Mason Hawkins's portfolio
Southeastern Asset Management · SEC CIK 807985
Concentrated value at a discount to appraisal.
This filing is 94 days old. Southeastern Asset Management keeps roughly 94% of its positions in a typical quarter, so about 93% of this book is likely still intact today.
How half-life is computedSnapshot half-life is the number of days after the period end at which half of this specific fund's reported book is expected to have changed, measured from its own past filings. It is a decay estimate, not knowledge of current positions.
Largest holdings, as filed
Top 10 of 47 positions. Weights are against the whole filed book. 13F filings cover US-listed holdings only.
| Company | Ticker | Value | % of book | Freshness |
|---|---|---|---|---|
| RAYONIER INC | RYN | $201.98M | 10.5% | |
| MATTEL INC | MAT | $171.04M | 8.9% | |
| CNX RES CORP | CNX | $158.22M | 8.3% | |
| PEOPLE INC | PPLI | $144.57M | 7.5% | |
| ALBERTSONS COMPANIES INC | ACI | $116.85M | 6.1% | |
| REGENERON PHARMACEUTICALS | REGN | $94.98M | 5.0% | |
| FORTUNE BRANDS INNOVATIONS I | FBIN | $92.62M | 4.8% | |
| KRAFT HEINZ CO | KHC | $85.22M | 4.5% | |
| ABBOTT LABORATORIES | ABT | $76.29M | 4.0% | |
| FEDEX CORP | FDX | $61.01M | 3.2% |
Freshness: how likely each position is still held today, from this fund's own turnover history, each position's tenure and the filing's age. Hover a bar for the numbers. Method.
What changed last quarter
Between Q1 2026 and Q2 2026, the largest add was CNX (shares up 16%), now $158.22M; the largest trim was RYN (shares down 12%); BIO no longer appears among the previous quarter's largest positions. All of it computed from the two filings, nothing inferred.
Biggest buys, Q2 2026
Exited since Q1 2026
- BIOwas $45.38M
Exit scan covers the previous quarter's 40 largest positions, a stated bound, because reading a mega fund's entire book per page render is not honest engineering.
Common questions
What are Mason Hawkins's biggest holdings?
As of the Q2 2026 13F, the largest reported positions at Southeastern Asset Management are RYN (10.5% of the book), MAT (8.9% of the book), CNX (8.3% of the book).
How big is Southeastern Asset Management's portfolio?
The latest 13F reports $1.92B across 47 US-listed positions. 13F filings cover US-listed holdings only, so non-US positions and shorts are not included.
Does Mason Hawkins still hold these positions?
Unknown for certain: a 13F may be filed up to 45 days after quarter end. Based on Southeastern Asset Management's own filing history, the fund keeps roughly 94% of positions in a typical quarter, so at 94 days since the period end roughly 93% of this book is likely intact. The snapshot half-life for this fund is about 950 days.
What did Mason Hawkins buy and sell last quarter?
Between Q1 2026 and Q2 2026, the largest add was CNX (shares up 16%), now $158.22M; the largest trim was RYN (shares down 12%); BIO no longer appears among the previous quarter's largest positions. All of it computed from the two filings, nothing inferred.
Funds with overlapping books
Every 13F we hold, quarter by quarter
Each filing has its own page: the whole book as filed that quarter and what changed from the filing before.
Inside the app: the full book for Southeastern Asset Management, quarter on quarter buys and sells, consensus across 140+ funds and copy-to-watchlist.
Source: SEC EDGAR 13F filings. Values are as filed and cover US-listed positions only. A 13F may be filed up to 45 days after the quarter ends, so positions can change before the filing is even public; the freshness figures above quantify that lag instead of hiding it. Educational information, not financial advice.