13F GuideFiling Basics
What is SEC Form 13F? Ultimate Guide to Institutional Equity Filings
Learn how SEC Form 13F filings work, the $100M threshold, 45-day reporting lag, and how to track top hedge fund holdings.
AlphaSMO Research GuideRead Guide
CIK: 0001418427
Total reported value
$6.2B
$6.2B
126 檔
13.3%
In Q1 2026, Robeco Schweiz AG's U.S. equity holdings reached a combined market value of $6.2B, distributed across 126 disclosed stock positions.
Robeco Schweiz AG executed strategic sector rebalancing during Q1 2026, establishing 12 new positions while fully exiting 15 holdings and trimming 59 positions.
In terms of portfolio concentration, the top 5 core holdings (including VRT, PWR, NVT) accounted for 13.3% of total reported equity market value during Q1 2026.
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | VRT | Vertiv Holdings Co-a | Stock-Industrials | 3.83% | -0.40% | -17.27% | |
| 2 | PWR | Quanta Services Inc | Stock-Industrials | 3.75% | +0.02% | +1.02% | |
| 3 | NVT | nVent Electric plc | Stock-Industrials | 3.56% | +0.38% | +0.92% | |
| 4 | ARM | Arm Holdings Plc-adr | Stock-Tech | 3.22% | +1.49% | +52.02% | |
| 5 | LITE | Lumentum Holdings Inc | Stock-Tech | 3.19% | -0.66% | -46.31% | |
| 6 | A | Agilent Technologies Inc | Stock-Healthcare | 2.69% | -0.54% | +6.53% | |
| 7 | FSLR | First Solar Inc | Stock-Tech | 2.69% | -0.22% | +19.78% | |
| 8 | ADI | Analog Devices Inc | Stock-Tech | 2.65% | +0.71% | +29.04% | |
| 9 | ADSK | Autodesk Inc | Stock-Tech | 2.60% | -1.00% | +1.13% | |
| 10 | ON | On Semiconductor | Stock-Tech | 2.57% | +0.04% | +50.35% | |
| 11 | MRVL | Marvell Technology Inc | Stock-Tech | 2.52% | +2.07% | +30.28% | |
| 12 | RRX | Regal Rexnord CORP | Stock-Industrials | 2.27% | +0.43% | +1.02% | |
| 13 | MPWR | Monolithic Power Systems Inc | Stock-Tech | 2.20% | -0.07% | -0.03% | |
| 14 | NXT | Nextpower Inc-cl A | Stock-Tech | 2.19% | -0.54% | -5.21% | |
| 15 | GNRC | Generac Holdings Inc | Stock-Industrials | 1.97% | +0.29% | +27.50% | |
| 16 | ITRI | Itron Inc | Stock-Tech | 1.80% | -0.34% | +125.31% | |
| 17 | LSCC | Lattice Semiconductor CORP | Stock-Tech | 1.77% | +0.46% | +1.02% | |
| 18 | XYL | Xylem Inc | Stock-Industrials | 1.76% | -0.22% | -8.47% | |
| 19 | CSL | Carlisle Cos Inc | Stock-Industrials | 1.76% | -0.29% | +1.02% | |
| 20 | VLTO | Veralto CORP | Stock-Industrials | 1.59% | -0.34% | +16.00% | |
| 21 | TT | Trane Technologies plc | Stock-Industrials | 1.54% | -0.15% | +44.29% | |
| 22 | IEX | Idex CORP | Stock-Industrials | 1.52% | -0.35% | -8.13% | |
| 23 | TTEK | Tetra Tech Inc | Stock-Industrials | 1.46% | -0.02% | -2.55% | |
| 24 | PCOR | Procore Technologies Inc | Stock-Tech | 1.41% | -0.64% | +1.02% | |
| 25 | TMO | Thermo Fisher Scientific Inc | Stock-Healthcare | 1.36% | +0.18% | +13.46% | |
| 26 | RUN | Sunrun Inc | Stock-Tech | 1.21% | -0.29% | +43.31% | |
| 27 | DHR | Danaher CORP | Stock-Healthcare | 1.15% | -0.20% | +6.89% | |
| 28 | FERG | Ferguson Enterprises Inc | Stock-Industrials | 1.15% | -0.10% | -7.13% | |
| 29 | BEPC | Brookfield Renewable CORP | Stock-Utilities | 1.13% | -1.13% | EXIT | |
| 30 | SQM | Quimica Y Minera Chil-sp Adr | Stock-Other | 1.06% | -0.40% | -10.03% | |
| 31 | ECL | Ecolab Inc | Stock-Materials | 1.05% | -0.08% | -19.41% | |
| 32 | EME | Emcor Group Inc | Stock-Industrials | 1.00% | -0.13% | +42.09% | |
| 33 | POWI | Power Integrations Inc | Stock-Tech | 0.94% | +0.86% | +38.68% | |
| 34 | FIX | Comfort Systems USA Inc | Stock-Industrials | 0.92% | -0.54% | -3.68% | |
| 35 | WAT | Waters CORP | Stock-Healthcare | 0.91% | +0.01% | +9.67% | |
| 36 | APG | Api Group CORP | Stock-Industrials | 0.90% | -0.29% | -25.21% | |
| 37 | WMS | Advanced Drainage Systems In | Stock-Industrials | 0.89% | -0.21% | -15.35% | |
| 38 | AIT | Applied Industrial Tech Inc | Stock-Industrials | 0.87% | -0.05% | +3.55% | |
| 39 | TER | Teradyne Inc | Stock-Tech | 0.85% | +0.15% | -44.59% | |
| 40 | ENPH | Enphase Energy Inc | Stock-Tech | 0.84% | +0.79% | — | |
| 41 | WM | Waste Management Inc | Stock-Industrials | 0.83% | -0.04% | -44.79% | |
| 42 | J | Jacobs Solutions Inc | Stock-Industrials | 0.82% | -0.21% | +12.95% | |
| 43 | CNM | Core & Main Inc-class A | Stock-Industrials | 0.79% | -0.24% | -7.06% | |
| 44 | GLW | Corning Inc | Stock-Tech | 0.75% | +0.41% | +53.96% | |
| 45 | BE | Bloom Energy Corp- A | Stock-Industrials | 0.75% | +0.79% | — | |
| 46 | ALB | Albemarle CORP | Stock-Materials | 0.74% | -0.23% | -40.26% | |
| 47 | AVTR | Avantor Inc | Stock-Healthcare | 0.69% | -0.46% | -42.46% | |
| 48 | ACM | Aecom | Stock-Industrials | 0.67% | -0.28% | -2.33% | |
| 49 | MWH | Solv Energy Inc-cl A | Stock-Other | 0.64% | +0.80% | — | |
| 50 | COHR | Coherent CORP | Stock-Tech | 0.58% | -0.11% | +98.96% |
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | ARM | Arm Holdings Plc-adr | +1.6% | +52.02% | Add |
| 2 | ON | On Semiconductor | +1% | +50.35% | Add |
| 3 | ITRI | Itron Inc | +0.9% | +125.31% | Add |
| 4 | GNRC | Generac Holdings Inc | +0.8% | +27.50% | Add |
| 5 | ADI | Analog Devices Inc | +0.8% | +29.04% | Add |
| 6 | MRVL | Marvell Technology Inc | +0.8% | +30.28% | Add |
| 7 | PWR | Quanta Services Inc | +0.7% | +1.02% | Add |
| 8 | VRT | Vertiv Holdings Co-a | +0.7% | -17.27% | Trim |
| 9 | RRX | Regal Rexnord CORP | +0.5% | +1.02% | Add |
| 10 | TT | Trane Technologies plc | +0.5% | +44.29% | Add |
| 11 | POWI | Power Integrations Inc | +0.4% | +38.68% | Add |
| 12 | NXT | Nextpower Inc-cl A | +0.4% | -5.21% | Trim |
| 13 | GLW | Corning Inc | +0.4% | +53.96% | Add |
| 14 | EME | Emcor Group Inc | +0.4% | +42.09% | Add |
| 15 | NVT | nVent Electric plc | +0.3% | +0.92% | Add |
| 16 | COHR | Coherent CORP | +0.3% | +98.96% | Add |
| 17 | LSCC | Lattice Semiconductor CORP | +0.3% | +1.02% | Add |
| 18 | COR | Cencora Inc | +0.3% | +213.36% | Add |
| 19 | MPWR | Monolithic Power Systems Inc | +0.3% | -0.03% | Trim |
| 20 | FIX | Comfort Systems USA Inc | +0.2% | -3.68% | Trim |
| 21 | VIAV | Viavi Solutions Inc | +0.2% | +10.92% | Add |
| 22 | AUGO | Aura Minerals Inc. | +0.2% | +10.00% | Add |
| 23 | AVGO | Broadcom Inc | +0.2% | +157.06% | Add |
| 24 | RSG | Republic Services Inc | +0.1% | +56.14% | Add |
| 25 | SFM | Sprouts Farmers Market Inc | +0.1% | +82.69% | Add |
| 26 | LIN | Linde plc | +0.1% | +17.39% | Add |
| 27 | CDNS | Cadence Design Sys Inc | +0.1% | +100.00% | Add |
| 28 | FSS | Federal Signal CORP | +0.1% | +24.30% | Add |
| 29 | KEYS | Keysight Technologies In | +0.1% | -9.35% | Trim |
| 30 | CECO | Ceco Environmental CORP | +0.1% | +51.46% | Add |
| 31 | STM | Stmicroelectronics Nv-ny Shs | +0.1% | -6.66% | Trim |
| 32 | SNOW | Snowflake Inc | 0% | +79.89% | Add |
| 33 | SNPS | Synopsys Inc | 0% | +38.70% | Add |
| 34 | SPOT | Spotify Technology S.A. | 0% | +43.12% | Add |
| 35 | MKSI | Mks Inc | 0% | -13.36% | Trim |
| 36 | OSIS | Osi Systems Inc | 0% | +19.49% | Add |
| 37 | J | Jacobs Solutions Inc | 0% | +12.95% | Add |
| 38 | AIT | Applied Industrial Tech Inc | 0% | +3.55% | Add |
| 39 | AZZ | Azz Inc | 0% | — | Unchanged |
| 40 | MWA | Mueller Water Products Inc-a | 0% | -4.39% | Trim |
| 41 | RUN | Sunrun Inc | — | +43.31% | Add |
| 42 | SQM | Quimica Y Minera Chil-sp Adr | — | -10.03% | Trim |
| 43 | ONTO | Onto Innovation Inc | — | -18.07% | Trim |
| 44 | SSD | Simpson Manufacturing Co Inc | — | — | Unchanged |
| 45 | ZBRA | Zebra Technologies Corp-cl A | — | +12.94% | Add |
| 46 | CSL | Carlisle Cos Inc | 0% | +1.02% | Add |
| 47 | BEPC | Brookfield Renewable CORP | 0% | +1.02% | Add |
| 48 | TXN | Texas Instruments Inc | 0% | -6.67% | Trim |
| 49 | ✓ | On Holding AG | 0% | +12.80% | Add |
| 50 | CL | Colgate-palmolive Co | 0% | -11.97% | Trim |
According to official SEC Form 13F filings, Robeco Schweiz AG reported a total U.S. public equity portfolio value of $6.2B across 126 disclosed positions in Q1 2026.
During Q1 2026, Robeco Schweiz AG's top holdings by market value included VRT (3.8%)、PWR (3.8%)、NVT (3.6%). The largest single position, VRT, represented 3.8% of total portfolio value.
Expert Analysis & Guides for Tracking Wall Street Smart Money Movements
Learn how SEC Form 13F filings work, the $100M threshold, 45-day reporting lag, and how to track top hedge fund holdings.
Top New Position Initiated
ENPH
市值: $39.8M
Top Position Liquidated / Trimmed
CLS
前期市值: $13.8M
In Q1 2026, Robeco Schweiz AG made 134 total portfolio adjustments, initiating 12 new buys, adding to 48 positions, trimming 59 holdings, and fully liquidating 15 stocks.
All holding records on this page are fetched directly from the U.S. Securities and Exchange Commission (SEC) EDGAR system (Form 13F-HR). AlphaSMO parses CUSIP identifiers and formats data into Schema.org-compliant datasets.
Understand SEC Form 4 insider disclosures for corporate officers, directors, and 10% owners to track executive transactions.
Understand Rule 144 restricted stock sale notices to spot planned insider liquidations before market sell pressure arrives.
Explore the 5% beneficial ownership threshold, 13D vs 13G filing differences, and recent SEC accelerated deadline rules.
Best practices for analyzing 13F quarterly changes without getting misled by stock splits, options, or market valuation drift.
Learn how AlphaSMO's flagship signal detects high-conviction stocks where 13F hedge funds and corporate insiders buy at the same time.