Montanaro Asset Management Ltd — 13F Holdings & Portfolio
CIK 1831133 · latest 13F-HR filed 2026-05-11
Montanaro Asset Management Ltd manages $334.4M in 13F-reported U.S. long-equity assets across 42 reported positions as of its 2026-03-31 13F-HR filing. Its largest disclosed positions are NVMI (6.25%), TECH (5.33%), BCPC (5.00%). Quarter over quarter (versus its 2025-12-31 filing) the fund opened 7 new positions, exited 6, added to 11, and trimmed 18.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
$334.4M
Long-equity book
42
Distinct positions
2026-03-31
Filed 2026-05-11
+7 / −6 / ↑11 / ↓18
vs 2025-12-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- FEDERAL SIGNAL CORP$5.9M +79.0%
- EASTGROUP PPTYS INC$5.5M +65.0%
- EXPONENT INC$4.1M +49.5%
- STRIDE INC$4.0M +57.5%
- GRACO INC$1.9M +26.2%
Top Trims
- ROLLINS INC-$7.5M -40.8%
- MANHATTAN ASSOCIATES INC-$5.9M -35.8%
- TRANSMEDICS GROUP INC-$4.6M -36.9%
- TYLER TECHNOLOGIES INC-$4.4M -31.9%
- SITIME CORP-$3.7M -30.2%
New Positions
- VALMONT INDS INC$7.8M
- WATTS WATER TECHNOLOGIES INC$7.7M
- HEXCEL CORP NEW$3.4M
- MDA SPACE LTD$3.4M
- STONEX GROUP INC$2.4M
Exited Positions
- TREX CO INC$10.6M
- BRUKER CORP$8.2M
- PAYCOM SOFTWARE INC$8.0M
- ENERGY RECOVERY INC$1.7M
- COGNEX CORP$1.5M
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | NOVA LTD | NVMI | M7516K103 | $20.9M | 6.25% | 48,130 | SH |
| 2 | BIO-TECHNE CORP | TECH | 09073M104 | $17.8M | 5.33% | 341,050 | SH |
| 3 | BALCHEM CORP | BCPC | 057665200 | $16.7M | 5.00% | 98,700 | SH |
| 4 | HOULIHAN LOKEY INC | HLI | 441593100 | $14.1M | 4.22% | 98,250 | SH |
| 5 | BENTLEY SYS INC | BSY | 08265T208 | $14.1M | 4.20% | 400,300 | SH |
| 6 | EASTGROUP PPTYS INC | EGP | 277276101 | $14.0M | 4.19% | 75,600 | SH |
| 7 | FEDERAL SIGNAL CORP | FSS | 313855108 | $13.3M | 3.98% | 123,100 | SH |
| 8 | CSW INDUSTRIALS INC | CSW | 126402106 | $13.0M | 3.88% | 49,800 | SH |
| 9 | EXPONENT INC | EXPO | 30214U102 | $12.5M | 3.74% | 191,800 | SH |
| 10 | AMERICAN WTR WKS CO INC NEW | AWK | 030420103 | $12.2M | 3.66% | 89,840 | SH |
| 11 | STRIDE INC | LRN | 86333M108 | $11.0M | 3.30% | 125,300 | SH |
| 12 | ROLLINS INC | ROL | 775711104 | $10.8M | 3.24% | 203,000 | SH |
| 13 | MANHATTAN ASSOCIATES INC | MANH | 562750109 | $10.6M | 3.16% | 79,310 | SH |
| 14 | FABRINET | FN | G3323L100 | $10.4M | 3.12% | 20,000 | SH |
| 15 | ENTEGRIS INC | ENTG | 29362U104 | $9.6M | 2.87% | 81,900 | SH |
| 16 | TYLER TECHNOLOGIES INC | TYL | 902252105 | $9.4M | 2.80% | 27,325 | SH |
| 17 | GRACO INC | GGG | 384109104 | $9.3M | 2.78% | 110,000 | SH |
| 18 | HAWKINS INC | HWKN | 420261109 | $9.2M | 2.75% | 59,800 | SH |
| 19 | FTI CONSULTING INC | FCN | 302941109 | $8.8M | 2.64% | 50,000 | SH |
| 20 | SITIME CORP | SITM | 82982T106 | $8.6M | 2.58% | 25,000 | SH |
| 21 | MSCI INC | MSCI | 55354G100 | $8.4M | 2.52% | 15,650 | SH |
| 22 | TRANSMEDICS GROUP INC | TMDX | 89377M109 | $7.8M | 2.34% | 78,739 | SH |
| 23 | VALMONT INDS INC | VMI | 920253101 | $7.8M | 2.32% | 19,400 | SH |
| 24 | WATTS WATER TECHNOLOGIES INC | WTS | 942749102 | $7.7M | 2.30% | 26,500 | SH |
| 25 | VEEVA SYS INC | VEEV | 922475108 | $6.3M | 1.89% | 36,000 | SH |
| 26 | TRADEWEB MKTS INC | TW | 892672106 | $6.3M | 1.87% | 53,150 | SH |
| 27 | ALARM COM HLDGS INC | ALRM | 011642105 | $6.1M | 1.83% | 141,700 | SH |
| 28 | MIRION TECHNOLOGIES INC | MIR | 60471A101 | $5.7M | 1.70% | 305,300 | SH |
| 29 | HEALTHEQUITY INC | HQY | 42226A107 | $4.2M | 1.27% | 50,800 | SH |
| 30 | HEXCEL CORP NEW | HXL | 428291108 | $3.4M | 1.02% | 42,000 | SH |
| 31 | MDA SPACE LTD | MDA | 55293N109 | $3.4M | 1.02% | 134,100 | SH |
| 32 | TRANSCAT INC | TRNS | 893529107 | $2.9M | 0.88% | 40,000 | SH |
| 33 | STONEX GROUP INC | SNEX | 861896108 | $2.4M | 0.72% | 30,000 | SH |
| 34 | UNIVERSAL TECHNICAL INST INC | UTI | 913915104 | $2.4M | 0.72% | 66,668 | SH |
| 35 | STEVANATO GROUP S P A | STVN | T9224W109 | $2.4M | 0.72% | 175,000 | SH |
| 36 | BELLRING BRANDS INC | BRBR | 07831C103 | $2.3M | 0.67% | 140,000 | SH |
| 37 | TETRA TECH INC NEW | TTEK | 88162G103 | $2.2M | 0.64% | 71,500 | SH |
| 38 | KINSALE CAP GROUP INC | KNSL | 49714P108 | $1.5M | 0.46% | 4,457 | SH |
| 39 | ADVANCED DRAIN SYS INC DEL | WMS | 00790R104 | $1.5M | 0.44% | 10,800 | SH |
| 40 | BADGER METER INC | BMI | 056525108 | $1.1M | 0.33% | 7,300 | SH |
| 41 | DOXIMITY INC | DOCS | 26622P107 | $1.1M | 0.32% | 45,300 | SH |
| 42 | CLEAN HARBORS INC | CLH | 184496107 | $1.0M | 0.31% | 3,600 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-03-31 | 2026-05-11 | $334.4M | 42 | 0001831133-26-000002 |
| 2025-12-31 | 2026-03-10 | $358.8M | 41 | 0001831133-26-000001 |
| 2025-09-30 | 2025-11-13 | $400.4M | 41 | 0001831133-25-000003 |