Robeco Schweiz AG — 13F Holdings & Portfolio
CIK 1418427 · latest 13F-HR filed 2026-05-07
Robeco Schweiz AG manages $4.73B in 13F-reported U.S. long-equity assets across 126 reported positions as of its 2026-03-31 13F-HR filing. Its largest disclosed positions are VRT (3.83%), PWR (3.75%), NVT (3.56%). Quarter over quarter (versus its 2025-12-31 filing) the fund opened 12 new positions, exited 15, added to 45, and trimmed 57.
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.
$4.73B
Long-equity book
126
Distinct positions
2026-03-31
Filed 2026-05-07
+12 / −15 / ↑45 / ↓57
vs 2025-12-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- ARM HOLDINGS PLC$80.0M +110.4%
- ON SEMICONDUCTOR CORP$50.8M +71.9%
- ITRON INC$46.1M +117.5%
- ANALOG DEVICES INC$42.5M +51.4%
- QUANTA SVCS INC$42.4M +31.4%
Top Trims
- PTC INC-$54.5M -84.3%
- AVANTOR INC-$50.6M -60.6%
- WASTE MGMT INC DEL-$28.7M -42.3%
- AUTODESK INC-$27.3M -18.2%
- CLEAN HARBORS INC-$24.8M -90.1%
New Positions
- ENPHASE ENERGY INC$39.8M
- BLOOM ENERGY CORP$35.4M
- SOLV ENERGY INC$30.2M
- SPX TECHNOLOGIES INC$14.3M
- COMMERCIAL METALS CO$10.1M
Exited Positions
- CELESTICA INC$13.8M
- DELL TECHNOLOGIES INC$13.8M
- GODADDY INC$13.7M
- JFROG LTD$11.3M
- SERVICETITAN INC$8.9M
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 | VERTIV HOLDINGS CO | VRT | 92537N108 | $181.2M | 3.83% | 722,999 | SH |
| 2 | QUANTA SVCS INC | PWR | 74762E102 | $177.5M | 3.75% | 323,329 | SH |
| 3 | NVENT ELEC PLC | NVT | G6700G107 | $168.5M | 3.56% | 1,424,388 | SH |
| 4 | ARM HOLDINGS PLC | ARM | 042068205 | $152.4M | 3.22% | 1,007,404 | SH |
| 5 | LUMENTUM HLDGS INC | LITE | 55024U109 | $151.0M | 3.19% | 214,826 | SH |
| 6 | AGILENT TECHNOLOGIES INC | A | 00846U101 | $127.4M | 2.69% | 1,117,545 | SH |
| 7 | FIRST SOLAR INC | FSLR | 336433107 | $127.4M | 2.69% | 645,692 | SH |
| 8 | ANALOG DEVICES INC | ADI | 032654105 | $125.3M | 2.65% | 393,959 | SH |
| 9 | AUTODESK INC | ADSK | 052769106 | $122.8M | 2.60% | 513,027 | SH |
| 10 | ON SEMICONDUCTOR CORP | ON | 682189105 | $121.5M | 2.57% | 1,962,299 | SH |
| 11 | MARVELL TECHNOLOGY INC | MRVL | 573874104 | $119.1M | 2.52% | 1,202,307 | SH |
| 12 | REGAL REXNORD CORPORATION | RRX | 758750103 | $107.3M | 2.27% | 573,127 | SH |
| 13 | MONOLITHIC PWR SYS INC | MPWR | 609839105 | $103.9M | 2.20% | 94,993 | SH |
| 14 | NEXTPOWER INC | NXT | 65290E101 | $103.5M | 2.19% | 858,168 | SH |
| 15 | GENERAC HLDGS INC | GNRC | 368736104 | $93.2M | 1.97% | 477,006 | SH |
| 16 | ITRON INC | ITRI | 465741106 | $85.3M | 1.80% | 951,735 | SH |
| 17 | LATTICE SEMICONDUCTOR CORP | LSCC | 518415104 | $83.6M | 1.77% | 901,165 | SH |
| 18 | XYLEM INC | XYL | 98419M100 | $83.4M | 1.76% | 697,677 | SH |
| 19 | CARLISLE COS INC | CSL | 142339100 | $83.3M | 1.76% | 249,629 | SH |
| 20 | VERALTO CORP | VLTO | 92338C103 | $75.2M | 1.59% | 850,298 | SH |
| 21 | TRANE TECHNOLOGIES PLC | TT | G8994E103 | $72.6M | 1.54% | 174,222 | SH |
| 22 | IDEX CORP | IEX | 45167R104 | $71.9M | 1.52% | 379,071 | SH |
| 23 | TETRA TECH INC NEW | TTEK | 88162G103 | $68.9M | 1.46% | 2,287,250 | SH |
| 24 | PROCORE TECHNOLOGIES INC | PCOR | 74275K108 | $66.6M | 1.41% | 1,167,931 | SH |
| 25 | THERMO FISHER SCIENTIFIC INC | TMO | 883556102 | $64.2M | 1.36% | 130,713 | SH |
| 26 | SUNRUN INC | RUN | 86771W105 | $57.3M | 1.21% | 4,222,937 | SH |
| 27 | DANAHER CORP DEL | DHR | 235851102 | $54.6M | 1.15% | 287,881 | SH |
| 28 | FERGUSON ENTERPRISES INC | FERG | 31488V107 | $54.3M | 1.15% | 232,708 | SH |
| 29 | BROOKFIELD RENEWABLE CORP | BEPC | 11285B108 | $53.5M | 1.13% | 1,342,029 | SH |
| 30 | SOCIEDAD QUIMICA Y MINERA DE | SQM | 833635105 | $49.9M | 1.06% | 616,488 | SH |
| 31 | ECOLAB INC | ECL | 278865100 | $49.5M | 1.05% | 186,208 | SH |
| 32 | EMCOR GROUP INC | EME | 29084Q100 | $47.4M | 1.00% | 64,260 | SH |
| 33 | POWER INTEGRATIONS INC | POWI | 739276103 | $44.6M | 0.94% | 870,170 | SH |
| 34 | COMFORT SYS USA INC | FIX | 199908104 | $43.4M | 0.92% | 31,474 | SH |
| 35 | WATERS CORP | WAT | 941848103 | $43.1M | 0.91% | 144,872 | SH |
| 36 | API GROUP CORP | APG | 00187Y100 | $42.5M | 0.90% | 1,048,034 | SH |
| 37 | ADVANCED DRAIN SYS INC DEL | WMS | 00790R104 | $42.3M | 0.89% | 308,404 | SH |
| 38 | APPLIED INDL TECHNOLOGIES IN | AIT | 03820C105 | $41.1M | 0.87% | 155,022 | SH |
| 39 | TERADYNE INC | TER | 880770102 | $40.2M | 0.85% | 135,736 | SH |
| 40 | ENPHASE ENERGY INC | ENPH | 29355A107 | $39.8M | 0.84% | 1,052,075 | SH |
| 41 | WASTE MGMT INC DEL | WM | 94106L109 | $39.2M | 0.83% | 170,778 | SH |
| 42 | JACOBS SOLUTIONS INC | J | 46982L108 | $38.6M | 0.82% | 303,330 | SH |
| 43 | CORE & MAIN INC | CNM | 21874C102 | $37.6M | 0.79% | 760,784 | SH |
| 44 | CORNING INC | GLW | 219350105 | $35.7M | 0.75% | 262,500 | SH |
| 45 | BLOOM ENERGY CORP | BE | 093712107 | $35.4M | 0.75% | 261,101 | SH |
| 46 | ALBEMARLE CORP | ALB | 012653101 | $35.0M | 0.74% | 194,912 | SH |
| 47 | AVANTOR INC | AVTR | 05352A100 | $32.8M | 0.69% | 4,189,536 | SH |
| 48 | AECOM | ACM | 00766T100 | $31.5M | 0.67% | 371,937 | SH |
| 49 | SOLV ENERGY INC | MWH | 78475V103 | $30.2M | 0.64% | 1,004,904 | SH |
| 50 | COHERENT CORP | COHR | 19247G107 | $27.3M | 0.58% | 114,400 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-03-31 | 2026-05-07 | $4.73B | 126 | 0001418427-26-000002 |
| 2025-12-31 | 2026-02-03 | $4.46B | 129 | 0001418427-26-000001 |