Q2 2026 13F · SEC CIK 1831133
Montanaro Asset Management Ltd
Asset managerFiled 2026-08-12 for Q2 2026. Open the filing ↗ · All SEC filings ↗
- Reported 13F value
- $317.2M
- Reported positions
- 42
- Top holdings a year, 3 yrs
- -1.0%
- Average holding period
- 3.2 yrs
Montanaro Asset Management Ltd is an asset manager that reported 42 positions worth $317.2M in its Q2 2026 13F, filed 2026-08-12. Its largest holdings were Nova Ltd (NVMI, 5.9%), Watts Water Technologies Inc (WTS, 5.7%), Eastgroup Pptys Inc (EGP, 5.1%). A portfolio copying its top holdings returned -1.0% a year over the last 3 years, against 20.4% for the S&P 500.
Montanaro Asset Management Ltd holdings all 42 positions.
Weights are shares of the filer's total reported 13F value, compared with Q1 2026. Share changes may reflect splits; weight changes also reflect price moves. A 13F shows long US-listed positions only, up to 135 days after the fact.
What Montanaro Asset Management Ltd bought and sold in Q2 2026, against Q1 2026.
New positions
- AYI Acuity Brands Inc3.4% of 13F
- SXT Sensient Technologies Corp2.5% of 13F
- BELFB Bel Fuse Inc1.2% of 13F
- KGS Kodiak Gas Services Inc1.1% of 13F
- ESE Esco Technologies Inc0.6% of 13F
Added to
- CLH Clean Harbors Inc+275.0% shares
- WTS Watts Water Technologies Inc+74.0% shares
- WMS Advanced Drainage Systems Inc+65.7% shares
- BMI Badger Meter Inc+41.1% shares
- MIR Mirion Technologies Inc+37.1% shares
- VMI Valmont Industries, Inc.+33.2% shares
- TTEK Tetra Tech Inc New Com+28.4% shares
- VEEV Veeva Sys Inc+19.7% shares
Reduced
- TECH Bio-Techne Corp-63.0% shares
- GGG Graco Inc-54.5% shares
- HWKN Hawkins Inc-50.2% shares
- FN Fabrinet-50.0% shares
- SITM Sitime Corp-36.0% shares
- MSCI MSCI Inc-29.7% shares
- NVMI Nova Ltd-28.6% shares
- ENTG Entegris Inc Com-27.4% shares
Sold out
- TYL Tyler Technologies Incwas 2.8%
- FCN Fti Consulting Inc.was 2.6%
- TMDX Transmedics Group Incwas 2.3%
- BRBR Bellring Brands Incwas 0.7%
- DOCS Doximity Incwas 0.3%
Share counts compared with the Q1 2026 13F; a split also changes share counts.
How the holdings did against the S&P 500.
- 1 year
- +0.4% /yr
- S&P 500 +20.1%
- 3 years
- -1.0% /yr
- S&P 500 +20.4%
- 5 years
- -5.8% /yr
- S&P 500 +11.6%
A portfolio of the filer's 20 largest 13F positions, weighted by value and rebuilt each quarter on the day the filing became public. 13Fs show long US-listed positions only, so this is an estimate of the stock picks, not the fund's reported returns.
Reported 13F value by quarter.
| Quarter | 13F value | Positions |
|---|---|---|
| Q2 2026 | $317.2M | 42 |
| Q1 2026 | $334.4M | 42 |
| Q4 2025 | $358.8M | 41 |
| Q3 2025 | $400.4M | 41 |
| Q2 2025 | $387.9M | 39 |
| Q1 2025 | $340.9M | 46 |
| Q4 2024 | $484.4M | 47 |
| Q3 2024 | $561.1M | 47 |
| Q2 2024 | $536.4M | 46 |
| Q1 2024 | $553.7M | 44 |
| Q4 2023 | $531.6M | 43 |
| Q3 2023 | $568.5M | 45 |
Questions about Montanaro Asset Management Ltd's portfolio
What stocks does Montanaro Asset Management Ltd own?
Montanaro Asset Management Ltd's latest 13F, for Q2 2026 and filed Aug 12, 2026, lists 42 positions worth $317.2M. The largest are Nova Ltd (NVMI) at 5.9%, Watts Water Technologies Inc (WTS) at 5.7%, Eastgroup Pptys Inc (EGP) at 5.1%, Federal Signal Corp (FSS) at 5.0% and Valmont Industries, Inc. (VMI) at 4.7%.
What did Montanaro Asset Management Ltd buy last quarter?
In Q2 2026, Montanaro Asset Management Ltd added a new position in Acuity Brands Inc (AYI), a new position in Sensient Technologies Corp (SXT), a new position in Bel Fuse Inc (BELFB), a new position in Kodiak Gas Services Inc (KGS), a new position in Esco Technologies Inc (ESE), Clean Harbors Inc (CLH) (+275.0% shares), Watts Water Technologies Inc (WTS) (+74.0% shares) and Advanced Drainage Systems Inc (WMS) (+65.7% shares), compared with its Q1 2026 filing.
What did Montanaro Asset Management Ltd sell last quarter?
In Q2 2026, Montanaro Asset Management Ltd sold all of Tyler Technologies Inc (TYL), sold all of Fti Consulting Inc. (FCN), sold all of Transmedics Group Inc (TMDX), sold all of Bellring Brands Inc (BRBR), sold all of Doximity Inc (DOCS), Bio-Techne Corp (TECH) (-63.0% shares), Graco Inc (GGG) (-54.5% shares) and Hawkins Inc (HWKN) (-50.2% shares), compared with its Q1 2026 filing.
How has Montanaro Asset Management Ltd's portfolio performed?
A portfolio copying Montanaro Asset Management Ltd's 20 largest 13F holdings each quarter, from the day each filing was public, returned -1.0% a year over the last 3 years, against +20.4% for the S&P 500. Over 1 year: +0.4% against +20.1%. Over 5 years: -5.8% a year against +11.6%.
When is Montanaro Asset Management Ltd's next 13F filing due?
13F filings are due 45 days after each quarter ends. Montanaro Asset Management Ltd's filing for the quarter ending Sep 30, 2026 is due by Nov 14, 2026; this page updates the day after it is published.