Diamond Hill Capital Management portfolio

Diamond Hill Capital Management · SEC CIK 1217541

Intrinsic value, estimated conservatively and bought at a discount.

Q2 2026
Latest 13F
$12.49B
Filed US book
186
Positions
~1231 days
Snapshot half-life

This filing is 93 days old. Diamond Hill Capital Management keeps roughly 95% of its positions in a typical quarter, so about 95% of this book is likely still intact today.

How half-life is computed

Snapshot 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 186 positions. Weights are against the whole filed book. 13F filings cover US-listed holdings only.

CompanyTickerValue% of bookFreshness
American International Group,AIG$464.54M3.7%
Abbott LaboratoriesABT$447.96M3.6%
Berkshire Hathaway, Inc. (Cl BBRK/B$438.71M3.5%
Colgate-Palmolive Co.CL$380.66M3.0%
Aon PLC (Cl A)$369.55M3.0%n/a
Microsoft Corp.MSFT$309.85M2.5%
Capital One Financial Corp.COF$290.90M2.3%
Diamondback Energy, Inc.FANG$268.86M2.1%
Waste Management, Inc.WM$262.14M2.1%
Zoetis, Inc. (Cl A)ZTS$255.64M2.0%

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 ZTS (shares up 22%), now $255.64M; the largest trim was AIG (shares down 27%); Wix.com Ltd. no longer appears among the previous quarter's largest positions. All of it computed from the two filings, nothing inferred.

Biggest buys, Q2 2026

  • ZTS add +22%$255.64M
  • HUM add +121%$245.56M
  • AR add +67%$100.21M
  • ELV new$96.57M
  • META add +11%$91.99M
  • RKT add +4%$67.80M

Exited since Q1 2026

  • was $175.16M

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 Diamond Hill's biggest holdings?

As of the Q2 2026 13F, the largest reported positions at Diamond Hill Capital Management are AIG (3.7% of the book), ABT (3.6% of the book), BRK/B (3.5% of the book).

How big is Diamond Hill Capital Management's portfolio?

The latest 13F reports $12.49B across 186 US-listed positions. 13F filings cover US-listed holdings only, so non-US positions and shorts are not included.

Does Diamond Hill still hold these positions?

Unknown for certain: a 13F may be filed up to 45 days after quarter end. Based on Diamond Hill Capital Management's own filing history, the fund keeps roughly 95% of positions in a typical quarter, so at 93 days since the period end roughly 95% of this book is likely intact. The snapshot half-life for this fund is about 1231 days.

What did Diamond Hill buy and sell last quarter?

Between Q1 2026 and Q2 2026, the largest add was ZTS (shares up 22%), now $255.64M; the largest trim was AIG (shares down 27%); Wix.com Ltd. 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 Diamond Hill Capital 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.