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 and exited 9; 73 existing positions rose in reported value and 26 fell.
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.
Long-equity book
Distinct positions
Filed 2026-07-28
vs 2026-03-31
Portfolio charts
Latest quarter's book, what changed, and how the portfolio has evolved across filings.
Portfolio map
Q2 26Box size = position value; colour = change in share count vs the prior quarter (green added, red trimmed, blue new). Rows split across managers or share classes are combined. Click a box for the stock.
Sector mix
% of 13F valueSectors from each company's SIC code; funds and ETFs grouped separately.
Biggest buys and sells
Q1 26 → Q2 26Estimated from the change in shares held × the quarter-end price, so price moves alone don't count as buying. New and exited positions are included.
13F assets and positions
3 quartersTotal reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.
Top positions over time
reported valueThe eight largest current positions, valued at each quarter end.
Concentration
top 10 = 34.1%Cumulative share of the portfolio held in the largest N positions.
| Name | Title / Status | Ownership | Type |
|---|
Quarter-over-quarter changes
Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.
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
Robeco Schweiz AG Holdings (2026-06-30)
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 |
ZURICH 8005