Robeco Schweiz AG — 13F Holdings & Portfolio
CIK 1418427 · latest 13F-HR filed 2026-07-28
Robeco Schweiz AG manages $6.23B in 13F-reported U.S. long-equity assets across 126 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are ARM (4.71%), MRVL (4.59%), NVT (3.94%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 9 new positions, exited 9, added to 73, and trimmed 26.
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.
ZURICH 8005
$6.23B
Long-equity book
126
Distinct positions
2026-06-30
Filed 2026-07-28
+9 / −9 / ↑73 / ↓26
vs 2026-03-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- MARVELL TECHNOLOGY INC$167.1M +140.3%
- ARM HOLDINGS PLC$141.0M +92.5%
- ANALOG DEVICES INC$84.2M +67.2%
- NVENT ELEC PLC$77.5M +46.0%
- POWER INTEGRATIONS INC$67.7M +152.0%
Top Trims
- AUTODESK INC-$23.1M -18.8%
- COMFORT SYS USA INC-$20.0M -46.1%
- PROCORE TECHNOLOGIES INC-$18.7M -28.0%
- AVANTOR INC-$18.3M -55.8%
- BADGER METER INC-$10.3M -47.7%
New Positions
- FERVO ENERGY CO$57.6M
- TIMKEN CO$34.2M
- MADISON AIR SOLUTIONS CORP$23.8M
- TEREX CORP NEW$21.7M
- VEECO INSTRS INC DEL$17.4M
Exited Positions
- BROOKFIELD RENEWABLE CORP$53.5M
- FEDERAL SIGNAL CORP$26.1M
- CENCORA INC$21.4M
- BROADCOM INC$13.5M
- VALMONT INDS INC$13.3M
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 | ARM HOLDINGS PLC | ARM | 042068205 | $293.4M | 4.71% | 827,366 | SH |
| 2 | MARVELL TECHNOLOGY INC | MRVL | 573874104 | $286.2M | 4.59% | 960,706 | SH |
| 3 | NVENT ELEC PLC | NVT | G6700G107 | $245.9M | 3.94% | 1,450,021 | SH |
| 4 | QUANTA SVCS INC | PWR | 74762E102 | $235.1M | 3.77% | 326,449 | SH |
| 5 | VERTIV HOLDINGS CO | VRT | 92537N108 | $213.6M | 3.43% | 637,920 | SH |
| 6 | ANALOG DEVICES INC | ADI | 032654105 | $209.5M | 3.36% | 527,512 | SH |
| 7 | REGAL REXNORD CORPORATION | RRX | 758750103 | $168.1M | 2.70% | 705,873 | SH |
| 8 | ON SEMICONDUCTOR CORP | ON | 682189105 | $162.8M | 2.61% | 1,722,056 | SH |
| 9 | LUMENTUM HLDGS INC | LITE | 55024U109 | $158.0M | 2.53% | 184,110 | SH |
| 10 | FIRST SOLAR INC | FSLR | 336433107 | $153.8M | 2.47% | 651,923 | SH |
| 11 | GENERAC HLDGS INC | GNRC | 368736104 | $141.0M | 2.26% | 481,609 | SH |
| 12 | LATTICE SEMICONDUCTOR CORP | LSCC | 518415104 | $139.2M | 2.23% | 909,862 | SH |
| 13 | AGILENT TECHNOLOGIES INC | A | 00846U101 | $133.8M | 2.15% | 1,007,585 | SH |
| 14 | MONOLITHIC PWR SYS INC | MPWR | 609839105 | $132.8M | 2.13% | 96,033 | SH |
| 15 | POWER INTEGRATIONS INC | POWI | 739276103 | $112.3M | 1.80% | 1,340,404 | SH |
| 16 | NEXTPOWER INC | NXT | 65290E101 | $103.1M | 1.65% | 865,627 | SH |
| 17 | ENPHASE ENERGY INC | ENPH | 29355A107 | $101.5M | 1.63% | 2,061,745 | SH |
| 18 | AUTODESK INC | ADSK | 052769106 | $99.7M | 1.60% | 512,880 | SH |
| 19 | XYLEM INC | XYL | 98419M100 | $96.2M | 1.54% | 813,451 | SH |
| 20 | BLOOM ENERGY CORP | BE | 093712107 | $95.8M | 1.54% | 316,637 | SH |
| 21 | THERMO FISHER SCIENTIFIC INC | TMO | 883556102 | $95.7M | 1.54% | 190,933 | SH |
| 22 | CARLISLE COS INC | CSL | 142339100 | $91.4M | 1.47% | 252,042 | SH |
| 23 | ITRON INC | ITRI | 465741106 | $91.2M | 1.46% | 1,053,799 | SH |
| 24 | SOLV ENERGY INC | MWH | 78475V103 | $89.9M | 1.44% | 2,641,405 | SH |
| 25 | TETRA TECH INC NEW | TTEK | 88162G103 | $89.5M | 1.44% | 3,099,250 | SH |
| 26 | TRANE TECHNOLOGIES PLC | TT | G8994E103 | $86.4M | 1.39% | 175,904 | SH |
| 27 | VERALTO CORP | VLTO | 92338C103 | $78.2M | 1.25% | 882,169 | SH |
| 28 | IDEX CORP | IEX | 45167R104 | $73.1M | 1.17% | 322,045 | SH |
| 29 | CORNING INC | GLW | 219350105 | $72.4M | 1.16% | 283,378 | SH |
| 30 | FERGUSON ENTERPRISES INC | FERG | 31488V107 | $65.5M | 1.05% | 275,959 | SH |
| 31 | TERADYNE INC | TER | 880770102 | $62.5M | 1.00% | 129,176 | SH |
| 32 | ECOLAB INC | ECL | 278865100 | $60.5M | 0.97% | 216,974 | SH |
| 33 | DANAHER CORP DEL | DHR | 235851102 | $59.0M | 0.95% | 309,684 | SH |
| 34 | FERVO ENERGY CO | FRVO | 31556C106 | $57.6M | 0.92% | 1,969,224 | SH |
| 35 | WATERS CORP | WAT | 941848103 | $57.1M | 0.92% | 152,195 | SH |
| 36 | SUNRUN INC | RUN | 86771W105 | $57.0M | 0.92% | 4,263,680 | SH |
| 37 | ONTO INNOVATION INC | ONTO | 683344105 | $55.7M | 0.89% | 147,200 | SH |
| 38 | EMCOR GROUP INC | EME | 29084Q100 | $54.3M | 0.87% | 65,460 | SH |
| 39 | APPLIED INDL TECHNOLOGIES IN | AIT | 03820C105 | $50.9M | 0.82% | 150,522 | SH |
| 40 | WASTE MGMT INC DEL | WM | 94106L109 | $49.1M | 0.79% | 220,405 | SH |
| 41 | PROCORE TECHNOLOGIES INC | PCOR | 74275K108 | $47.9M | 0.77% | 1,179,201 | SH |
| 42 | VIAVI SOLUTIONS INC | VIAV | 925550105 | $42.8M | 0.69% | 896,000 | SH |
| 43 | ADVANCED DRAIN SYS INC DEL | WMS | 00790R104 | $42.7M | 0.68% | 271,735 | SH |
| 44 | SOCIEDAD QUIMICA Y MINERA DE | SQM | 833635105 | $41.2M | 0.66% | 556,152 | SH |
| 45 | STMICROELECTRONICS N V | STM | 861012102 | $40.4M | 0.65% | 538,880 | SH |
| 46 | JACOBS SOLUTIONS INC | J | 46982L108 | $38.2M | 0.61% | 303,571 | SH |
| 47 | API GROUP CORP | APG | 00187Y100 | $37.8M | 0.61% | 891,999 | SH |
| 48 | SPX TECHNOLOGIES INC | SPXC | 78473E103 | $37.5M | 0.60% | 152,829 | SH |
| 49 | TEXAS INSTRS INC | TXN | 882508104 | $36.4M | 0.58% | 122,184 | SH |
| 50 | LINDE PLC | LIN | G54950103 | $35.8M | 0.57% | 69,055 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-07-28 | $6.23B | 126 | 0001418427-26-000003 |
| 2026-03-31 | 2026-05-07 | $4.73B | 126 | 0001418427-26-000002 |
| 2025-12-31 | 2026-02-03 | $4.46B | 129 | 0001418427-26-000001 |