Stocks/Funds/CIK 1831133

Montanaro Asset Management Ltd

long-term holder
Quarterly 13F filings · Latest period 2026-03-31 · CIK 1831133
Assets
$334M
-1.9% YoY
Holdings
42
Lifetime alpha vs market
-12.38% annual
Average hold time
2.9 yr
median 2.3 yr

Quarterly history

Cum return -10% vs S&P +52% · α -62% lifetimeAUM $334M · peak $991MFlow $-16M (-5%)2020-122021-122022-122023-122024-122025-122026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
-5.33%
trims when stocks drop
when a holding falls −10%+
Middle response
-2.77%
baseline attrition
Rally response
-7.12%
trims into rallies
when a holding rises +10%+

Top positions · 30

Ticker$ value% portYoYHold time
NVMINova Ltd.$21M6.3%+135.6%5.5 yr
TECHBio-Techne Corporation$18M5.3%-10.4%5.3 yr
BCPCBalchem Corporation$17M5.0%+2.7%4.0 yr
HLIHoulihan Lokey, Inc.$14M4.2%-9.9%5.5 yr
BSYBentley Systems, Incorpo$14M4.2%-10.2%3.8 yr
EGPEastGroup Properties, In$14M4.2%+7.9%0.8 yr
FSSFederal Signal Corporati$13M4.0%+47.8%1.3 yr
CSWICSW Industrials, Inc.$13M3.9%5.5 yr
EXPOExponent, Inc.$13M3.7%-18.2%5.5 yr
AWKAmerican Water Works Com$12M3.7%-5.4%4.5 yr
LRNStride, Inc.$11M3.3%-30.3%2.0 yr
ROLRollins, Inc.$11M3.2%+0.0%5.5 yr
MANHManhattan Associates, In$11M3.2%-23.1%1.8 yr
FNFabrinet$10M3.1%+164.0%3.0 yr
ENTGEntegris, Inc.$10M2.9%+34.6%5.0 yr

Portfolio composition (YoY)

Industry mix
Software - Application12.0%-11.0pp$40M
Semiconductors11.7%+3.1pp$39M
Industrial - Machinery10.7%+5.4pp$36M
Chemicals - Specialty7.8%+3.6pp$26M
Financial - Capital Markets6.8%+1.0pp$23M
Consulting Services6.4%+1.3pp$21M
Biotechnology5.3%+0.9pp$18M
Hardware, Equipment & Parts4.5%-0.5pp$15M
REIT - Industrial4.2%$14M
Education & Training Services4.0%-1.2pp$13M
Country
US88.9%-4.6pp
IL6.3%+2.8pp
KY3.1%+1.2pp
CA1.0%
IT0.7%-0.3pp
Top 5: 25.0% · Top 10: 44.5% · Top 25: 85.1%

Winners

TickerPrev $PnLYoY %
NVMI$12M+0.02B135.6%
FN$7M+0.01B164.0%
SITM$7M+0.01B125.9%
TMDX$10M+0.00B47.8%
ENTG$5M+0.00B34.6%

Losers

TickerPrev $PnLYoY %
TYL$24M-0.01B-41.1%
LRN$18M-0.01B-30.3%
MANH$11M-0.00B-23.1%
VEEV$9M-0.00B-24.2%
ALRM$10M-0.00B-22.4%

Top buys this quarter · 15

VMI Valmont Industries, Inc.new+$8M
WTS Watts Water Technologies, Inc.new+$8M
FSS Federal Signal Corporation+$6M
EGP EastGroup Properties, Inc.+$5M
EXPO Exponent, Inc.+$5M
HXL Hexcel Corporationnew+$3M
MDA MDA Space Ltdnew+$3M
SNEX StoneX Group Inc.new+$2M
TTEK Tetra Tech, Inc.new+$2M
GGG Graco Inc.+$2M

Top sells this quarter · 15

TREX Trex Company, Inc.exit$11M
NVMI Nova Ltd.$21M
PAYC Paycom Software, Inc.exit$6M
ROL Rollins, Inc.$5M
FN Fabrinet$4M
SITM SiTime Corporation$3M
ENTG Entegris, Inc.$9M
TMDX TransMedics Group, Inc.$2M
BSY Bentley Systems, Incorporated$2M
MANH Manhattan Associates, Inc.$2M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$334M42-0.30%+17.59%-17.90%-0.02B
2025-12-31$359M41-4.30%+17.72%-22.02%-0.00B
2025-09-30$400M41-1.74%+17.52%-19.25%+0.01B
2025-06-30$388M39+1.35%+14.94%-13.59%+0.01B
2025-03-31$341M46-9.00%+8.30%-17.31%-0.11B
2024-12-31$484M47+2.95%+24.89%-21.94%-0.04B
2024-09-30$561M47+21.81%+36.04%-14.23%+0.00B
2024-06-30$536M46+3.88%+24.49%-20.62%-0.02B
2024-03-31$554M44+13.46%+29.62%-16.17%-0.01B
2023-12-31$532M43+16.96%+26.18%-9.22%-0.09B
2023-09-30$568M45+7.93%+21.57%-13.64%+0.00B
2023-06-30$632M45+20.59%+19.42%+1.16%-0.07B
2023-03-31$644M45-12.85%-7.82%-5.03%-0.03B
2022-12-31$614M47+1.53%+7.56%-6.03%-0.05B
2022-09-30$653M48-0.36%-4.93%+4.57%-0.01B
2022-06-30$665M48-21.24%-16.11%-5.13%+0.03B