Stocks/Funds/CIK 884566

FENIMORE ASSET MANAGEMENT INC

long-term holder
Quarterly 13F filings · Latest period 2026-03-31 · CIK 884566
Assets
$4.48B
-5.0% YoY
Holdings
92
Lifetime alpha vs market
-2.09% annual
Average hold time
5.9 yr
median 6.0 yr

Quarterly history

Cum return +120% vs S&P +156% · α -35% lifetimeAUM $4.5B · peak $5.0BFlow $-119M (-2%)2016-062017-122019-062020-122022-062023-122025-062026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
-10.18%
trims when stocks drop
when a holding falls −10%+
Middle response
-0.54%
baseline attrition
Rally response
-1.11%
trims into rallies
when a holding rises +10%+

Top positions · 30

Ticker$ value% portYoYHold time
ROSTRoss Stores, Inc.$295M6.6%+71.2%10.5 yr
APHAmphenol Corporation$196M4.4%+93.6%5.0 yr
VMCVulcan Materials Company$179M4.0%+17.5%6.5 yr
SYKStryker Corporation$171M3.8%-11.1%10.5 yr
FASTFastenal Company$170M3.8%+22.1%7.3 yr
MKLMarkel Corporation$166M3.7%+2.4%10.5 yr
KEYSKeysight Technologies, I$152M3.4%+88.5%2.3 yr
IEXIDEX Corporation$151M3.4%+6.4%4.3 yr
ADIAnalog Devices, Inc.$151M3.4%+60.2%6.3 yr
TTTrane Technologies plc$147M3.3%+24.8%5.8 yr
BROBrown & Brown, Inc.$145M3.2%-47.2%10.5 yr
BNBrookfield Corporation$139M3.1%+16.5%3.0 yr
AJGArthur J. Gallagher & Co$123M2.7%-36.6%10.5 yr
PGRThe Progressive Corporat$109M2.4%-25.5%5.0 yr
AZOAutoZone, Inc.$108M2.4%-11.4%10.5 yr

Portfolio composition (YoY)

Industry mix
Hardware, Equipment & Parts8.1%+3.0pp$362M
Industrial - Machinery8.0%+0.4pp$358M
Semiconductors6.7%+2.3pp$301M
Apparel - Retail6.6%+2.2pp$295M
Insurance - Brokers6.3%-2.3pp$283M
Information Technology Services6.3%-3.2pp$283M
Insurance - Property & Casualty6.1%-0.8pp$275M
Medical - Devices5.4%-0.2pp$243M
Construction Materials5.1%+1.0pp$231M
Industrial - Distribution4.9%+0.2pp$219M
Country
US86.9%-2.1pp
CA4.9%+0.5pp
IE4.9%+0.3pp
Unknown3.0%+1.7pp
BS0.4%+0.0pp
Top 5: 22.5% · Top 10: 39.6% · Top 25: 73.5%

Winners

TickerPrev $PnLYoY %
ROST$205M+0.14B71.2%
APH$151M+0.14B93.6%
KEYS$89M+0.08B88.5%
ADI$97M+0.06B60.2%
TT$145M+0.04B24.8%

Losers

TickerPrev $PnLYoY %
BRO$267M-0.12B-47.2%
BKNG$92M-0.09B-96.3%
EXLS$131M-0.05B-35.5%
AJG$127M-0.05B-36.6%
CDW$200M-0.05B-23.2%

Top buys this quarter · 15

SPGI S&P Global Inc.new+$47M
AJG Arthur J. Gallagher & Co.+$46M
RYAN Ryan Specialty Holdings, Inc.+$24M
LSTR Landstar System, Inc.+$13M
GIL Gildan Activewear Inc.new+$11M
WSO Watsco, Inc.+$7M
CBZ CBIZ, Inc.+$18M
BR Broadridge Financial Solutions+$57M
VRSK Verisk Analytics, Inc.+$39M
BRO Brown & Brown, Inc.+$145M

Top sells this quarter · 15

PNFP Pinnacle Financial Partners, Iexit$73M
EOG EOG Resources, Inc.$55M
ROST Ross Stores, Inc.$276M
CDW CDW Corporation$31M
KEYS Keysight Technologies, Inc.$129M
PAYX Paychex, Inc.$19M
ROP Roper Technologies, Inc.exit$18M
TT Trane Technologies plc$18M
BN Brookfield Corporation$16M
BROS Dutch Bros Inc.exit$16M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$4.48B92-0.36%+17.59%-17.95%-0.12B
2025-12-31$4.80B92+3.16%+17.72%-14.55%-0.07B
2025-09-30$4.99B91+4.07%+17.52%-13.44%-0.05B
2025-06-30$5.01B90+12.27%+14.94%-2.67%+0.02B
2025-03-31$4.72B91+2.05%+8.30%-6.25%-0.00B
2024-12-31$4.76B94+13.59%+24.89%-11.30%-0.13B
2024-09-30$4.96B97+28.84%+36.04%-7.20%+0.01B
2024-06-30$4.57B96+17.51%+24.49%-6.98%+0.01B
2024-03-31$4.73B97+30.88%+29.62%+1.26%-0.02B
2023-12-31$4.31B95+22.39%+26.18%-3.79%+0.00B
2023-09-30$3.85B100+20.32%+21.57%-1.24%-0.12B
2023-06-30$4.01B106+20.80%+19.42%+1.38%-0.09B
2023-03-31$3.83B106-1.37%-7.82%+6.44%-0.01B
2022-12-31$3.72B111-8.92%-18.17%+9.25%-0.11B
2022-09-30$3.48B108-8.00%-15.51%+7.51%-0.04B
2022-06-30$3.54B110-6.88%-10.62%+3.74%-0.03B