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Montanaro Asset Management Ltd

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13F filer, CIK 1831133, LONDON, United Kingdom

Montanaro Asset Management Ltd reported $484,417,670 across 47 holdings for the quarter ended 2024-12-31, in a 13F-HR filed 2025-02-12. Its ten largest share positions make up 43.25% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001085146-25-001037

Period
2024-12-31
Reported value
$484M
Holdings
47
Top 10 weight
43.25%
New
3
Sold out
3

Largest buys vs the previous quarter

SecurityShares changeApprox. value
MANHadded+50,340$13.6M
GGGnew+90,000$7.59M
BRBRnew+100,000$7.53M
LRNadded+28,500$2.96M
FCNadded+15,000$2.87M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
HLIreduced-56,000-$9.72M
ICLRreduced-42,650-$8.94M
NVMIreduced-34,400-$6.78M
ANSYS INCreduced-19,050-$6.43M
TYLreduced-7,600-$4.38M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q4 2024

Share positions as resolved from 13F-HR 0001085146-25-001037, largest first. % of portfolio is the value over $484,417,670, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
TYLTYLER TECHNOLOGIES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 59,960 shares; 2024Q4: 52,360 shares 52,360$30.2M6.23%-7,600Timeline
BRKRBRUKER CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 446,500 shares; 2024Q4: 426,950 shares 426,950$25M5.17%-19,550Timeline
TECHBIO-TECHNE CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 323,000 shares; 2024Q4: 332,500 shares 332,500$23.9M4.94%+9,500Timeline
TREXTREX INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 322,300 shares; 2024Q4: 315,900 shares 315,900$21.8M4.5%-6,400Timeline
MANHMANHATTAN ASSOCIATES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 26,600 shares; 2024Q4: 76,940 shares 76,940$20.8M4.29%+50,340Timeline
LRNSTRIDE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 155,000 shares; 2024Q4: 183,500 shares 183,500$19.1M3.94%+28,500Timeline
BCPCBALCHEM CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 127,800 shares; 2024Q4: 107,500 shares 107,500$17.5M3.62%-20,300Timeline
BSYBENTLEY SYS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 331,416 shares; 2024Q4: 373,216 shares 373,216$17.4M3.6%+41,800Timeline
AWKAMERICAN WTR WKS CO INC NEWQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 169,900 shares; 2024Q4: 138,500 shares 138,500$17.2M3.56%-31,400Timeline
HLIHOULIHAN LOKEY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 151,000 shares; 2024Q4: 95,000 shares 95,000$16.5M3.41%-56,000Timeline
ANSYS INCANSYS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 64,300 shares; 2024Q4: 45,250 shares 45,250$15.3M3.15%-19,050
EXPOEXPONENT INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 179,500 shares; 2024Q4: 168,300 shares 168,300$15M3.1%-11,200Timeline
NVMINOVA LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 110,358 shares; 2024Q4: 75,958 shares 75,958$15M3.09%-34,400Timeline
ALRMALARM COM HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 223,900 shares; 2024Q4: 238,300 shares 238,300$14.5M2.99%+14,400Timeline
VEEVVEEVA SYS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 80,250 shares; 2024Q4: 62,150 shares 62,150$13.1M2.7%-18,100Timeline
CSWCSW INDUSTRIALS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 45,000 shares; 2024Q4: 35,000 shares 35,000$12.3M2.55%-10,000Timeline
ROLROLLINS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 248,000 shares; 2024Q4: 256,000 shares 256,000$11.9M2.45%+8,000Timeline
POWIPOWER INTEGRATIONS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 205,050 shares; 2024Q4: 189,654 shares 189,654$11.7M2.42%-15,396Timeline
BMIBADGER METER INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 68,050 shares; 2024Q4: 53,450 shares 53,450$11.3M2.34%-14,600Timeline
MSCIMSCI INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 18,600 shares; 2024Q4: 17,000 shares 17,000$10.2M2.11%-1,600Timeline
SITMSITIME CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 46,025 shares; 2024Q4: 45,880 shares 45,880$9.84M2.03%-145Timeline
IEXIDEX CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 54,400 shares; 2024Q4: 45,000 shares 45,000$9.42M1.94%-9,400Timeline
ENTGENTEGRIS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 110,221 shares; 2024Q4: 92,600 shares 92,600$9.17M1.89%-17,621Timeline
TMDXTRANSMEDICS GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 117,235 shares; 2024Q4: 140,035 shares 140,035$8.73M1.8%+22,800Timeline
FCNFTI CONSULTING INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 30,000 shares; 2024Q4: 45,000 shares 45,000$8.6M1.78%+15,000Timeline
CGNXCOGNEX CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 282,400 shares; 2024Q4: 232,750 shares 232,750$8.35M1.72%-49,650Timeline
WMSADVANCED DRAIN SYS INC DELQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 83,400 shares; 2024Q4: 67,700 shares 67,700$7.83M1.62%-15,700Timeline
MASIMASIMO CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 55,700 shares; 2024Q4: 46,500 shares 46,500$7.69M1.59%-9,200Timeline
GGGGRACO INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 90,000 shares 90,000$7.59M1.57%newTimeline
BRBRBELLRING BRANDS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 100,000 shares 100,000$7.53M1.56%newTimeline
FNFABRINETQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 41,250 shares; 2024Q4: 34,020 shares 34,020$7.48M1.54%-7,230Timeline
PCTYPAYLOCITY HLDG CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 35,000 shares; 2024Q4: 35,000 shares 35,000$6.98M1.44%0Timeline
ICLRICON PUB LTD COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 74,350 shares; 2024Q4: 31,700 shares 31,700$6.65M1.37%-42,650Timeline
ERIIENERGY RECOVERY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 496,000 shares; 2024Q4: 422,400 shares 422,400$6.21M1.28%-73,600Timeline
TWTRADEWEB MKTS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 39,000 shares; 2024Q4: 43,000 shares 43,000$5.63M1.16%+4,000Timeline
OLEDUNIVERSAL DISPLAY CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 63,260 shares; 2024Q4: 38,260 shares 38,260$5.59M1.15%-25,000Timeline
FORMFORMFACTOR INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 114,291 shares; 2024Q4: 115,161 shares 115,161$5.07M1.05%+870Timeline
TRNSTRANSCAT INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 40,000 shares; 2024Q4: 40,000 shares 40,000$4.23M0.87%0Timeline
STVNSTEVANATO GROUP S P AQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 179,800 shares; 2024Q4: 179,800 shares 179,800$3.92M0.81%0Timeline
PAYCPAYCOM SOFTWARE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 14,925 shares; 2024Q4: 16,925 shares 16,925$3.47M0.72%+2,000Timeline
HWKNHAWKINS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 15,000 shares 15,000$1.84M0.38%newTimeline
FOXFFOX FACTORY HLDG CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 55,000 shares; 2024Q4: 55,000 shares 55,000$1.66M0.34%0Timeline
AXONAXON ENTERPRISE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 775 shares; 2024Q4: 700 shares 700$416K0.09%-75Timeline
GLOBGLOBANT S AQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,475 shares; 2024Q4: 1,475 shares 1,475$316K0.07%0Timeline
PEVERPURE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 3,050 shares; 2024Q4: 3,665 shares 3,665$225K0.05%+615Timeline
ZSZSCALER INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 800 shares; 2024Q4: 800 shares 800$144K0.03%0Timeline
AEHRAEHR TEST SYSQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 8,750 shares; 2024Q4: 4,850 shares 4,850$80.7K0.02%-3,900Timeline

Sold out in Q4 2024

Positions in the previous quarter's report that this quarter's report no longer lists.

SecurityShares beforeValue beforeType
SEDGSOLAREDGE TECHNOLOGIES INC118,250$2.71Mshares
INMDINMODE LTD100,000$1.7Mshares
TECHTARGET INCTECHTARGET INC60,000$1.47Mshares

How Q4 2024 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001085146-25-001037 base2025-02-12acceptance time not in the bulk data set