Data as of Q4 2025 (Dec 31, 2025)

DIAMOND HILL CAPITAL MANAGEMENT INC

โ€ขCIK: 1217541โ€ขFiling: Q4 2025

Diamond Hill Capital Management Inc., led by the seasoned investor John D. Overdeck, manages $19.5 billion with a focus on value-oriented, long-term investments. Recently, the fund has notably increased positions in COO and MGY, while significantly reducing its stake in HCA, reflecting a strategic shift towards sectors with growth potential.

Total AUM
$19.5B
QoQ Performance
-7.3%
Positions
190
Top 10 Concentration
30.6%
Latest Filing
Q4 2025

Top Holdings Allocation

AIG4.7%
BRK/B3.9%
ABT3.3%
COF3.1%
CL2.9%
AON2.9%
TXN2.9%
WM2.6%

๐Ÿ“ˆ Biggest Buys

COO
Cooper Cos., Inc.
+479.6%
1.4% of portfolio
DOV
Dover Corp.
NEW
0.8% of portfolio
WIX
Wix.com Ltd.
NEW
0.8% of portfolio
IWD
iShares Russell 1000 Value ETF
+24828.5%
0.6% of portfolio
EQH
Equitable Holdings, Inc.
+114.8%
1.0% of portfolio

๐Ÿ“‰ Biggest Sells

GM
General Motors Co.
-64.0%
1.0% of portfolio
HCA
HCA Healthcare, Inc.
-92.9%
0.1% of portfolio
FERG
Ferguson Enterprises, Inc.
-36.6%
1.1% of portfolio
BRK/B
Berkshire Hathaway, Inc. (Cl B
-13.7%
3.9% of portfolio
AIG
American International Group,
-10.7%
4.7% of portfolio

Sector Breakdown

Other58.3%
Financial13.0%
Technology9.3%
Healthcare7.1%
Industrial4.2%
Consumer2.5%
Energy2.0%
Communication1.9%

๐Ÿšช Exited Positionssold since Q3 2025

CAT
Caterpillar, Inc.
SOLD
$218.8M
07WA
Mr. Cooper Group, Inc.
SOLD
$140.7M
NDAQ
Nasdaq, Inc.
SOLD
$79.5M
โ€”
WNS (Holdings) Ltd.
SOLD
$46.2M
COHR
Coherent Corp.
SOLD
$17.8M
+4 more exited positions

Changes from Q3 2025

NEW13 new positions
โ†‘67 increased
โ†“100 decreased

Historical Filings

Q4 2025Q3 2025Q2 2025Q1 2025Q4 2024Q3 2024Q2 2024Q1 2024Q4 2023