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Filers›Family Office›DIAMOND HILL CAPITAL MANAGEMENT INC
DOSSIER · 13F-HR · Q1 2026

DIAMOND HILL CAPITAL MANAGEMENT INC

DIAMOND HILL's family office based in San Francisco, CA — $16.0B in tracked AUM across 187 positions as of Q1 2026.

DH
DIAMOND HILL·San Francisco, CA·Family Office
CIK 0001217541 · last filed Mar 31, 2026
Total AUM
$16.0B
▲ 2.8%
vs prior
Holdings
187
—
positions
Whale Score
69
69
tracked
Activity
—
no data
changes this Q
Top sector
Tech
19% weight
concentration
AI Analysis · Q1 2026 · Q1 2026

DIAMOND HILL CAPITAL MANAGEMENT INC filed Q1 2026 13F-HR with $16.0B in disclosed U.S. equity holdings The portfolio is led by Financial Services exposure, with top positions including AIG (4.0%), BRK/B (3.8%), ABT (3.5%). Quarter-over-quarter activity shows 5 new entries and 5 exits, with a net reductive posture across 55 changed positions. Notable reduction: AIG (20.7% reduction) (American International Group,).

Quarter at a glance — Q1 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q1 2026.

#HoldingValueSharesWeight
01
AIG
American International Group,
$645M8.6M4.0%
02
BRK/B
Berkshire Hathaway, Inc. (Cl B
$610M1.3M3.8%
03
ABT
Abbott Laboratories
$552M5.4M3.5%
04
G0403H108
Aon PLC (Cl A)
$480M1.5M3.0%
05
CL
Colgate-Palmolive Co.
$461M5.4M2.9%
06
FANG
Diamondback Energy, Inc.
$397M2.0M2.5%
07
TXN
Texas Instruments, Inc.
$397M2.0M2.5%
08
COP
ConocoPhillips
$385M2.9M2.4%
09
MSFT
Microsoft Corp.
$379M1.0M2.4%
10
COF
Capital One Financial Corp.
$368M2.0M2.3%

Filing history

Filing history loading…
AI Agent · grounded in DIAMOND
haiku-4-5 · 187 positions indexed
Sector mix
  • Tech19%
  • Financials51%
  • Health Care18%
  • Cons. Disc.5%
  • Communications6%
  • Other1%
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