13F Insight
DOSSIER · 13F-HR · Q3 2026

FENIMORE ASSET MANAGEMENT INC

$4.6B in tracked AUM across 93 positions as of Q3 2026.

FA
CIK 0000884566 · last filed Sep 30, 2026
Total AUM
$4.6B
as of Q3 2026
Holdings
93
—
positions
Whale Score
60
60
tracked
Activity
—
no data
changes this Q
AI Analysis · Q3 2026

FENIMORE ASSET MANAGEMENT INC filed its latest 13F-HR for Q3 2026. See the latest holdings and position changes below.

Quarter at a glance — Q3 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q3 2026.

#HoldingValueSharesWeight
01
ROST
Ross Stores, Inc.
$270M1.2M5.9%02
APH
Amphenol Corp.
$239M2.8M5.2%03
ADI
Analog Devices Inc
$184M465K4.0%04
IEX
IDEX Corporation
$176M773K3.9%05
KEYS
Keysight Technologies Inc.
$171M469K3.7%06
VMC
Vulcan Materials
$160M655K3.5%07
FAST
Fastenal Co
$155M3.1M3.4%08
SYK
Stryker Corporation
$152M551K3.3%09
MKL
Markel Corporation
$148M87K3.3%10
G8994E103
Trane Technologies PLC
$137M304K3.0%

Filing history

2026Q3Sep 30
$4.6B▼ 5.7%
93 positionsView →2026Q2Jun 30
$4.8B▲ 7.7%
92 positionsView →2026Q1Mar 31
$4.5B▼ 6.6%
92 positionsView →2025Q4Dec 31
$4.8B▼ 3.7%
92 positionsView →2025Q3Sep 30
$5.0B▼ 0.5%
91 positionsLocked2025Q2Jun 30
$5.0B▲ 6.1%
90 positionsLocked2025Q1Mar 31
$4.7B▼ 0.8%
91 positionsLocked2024Q4Dec 31
$4.8B▼ 4.1%
94 positionsLocked2024Q3Sep 30
$5.0B▲ 8.7%
97 positionsLocked2024Q2Jun 30
$4.6B▼ 3.6%
96 positionsLocked2024Q1Mar 31
$4.7B▲ 23.0%
97 positionsLocked2023Q3Sep 30
$3.9B▼ 3.9%
100 positionsLocked
Showing 12 of 100