Robeco Schweiz AG

Name: Robeco Schweiz AG 13F holdings, Q1 2026
Creator: Robeco Schweiz AG
Published: 2026-05-07

Q2 2026Q4 2025Q3 2025Q2 2025Q1 2025Q4 2024Q3 2024Q2 2024Q1 2024

In its 13F for Q1 2026 (holdings as of March 31, 2026, filed May 7, 2026), Robeco Schweiz AG reported 126 stock positions worth $4.7 billion. Its top holding was Vertiv Class A (VRT) at 3.8% of the portfolio, followed by Quanta Services (PWR, 3.8%) and Nvent Electric (NVT, 3.6%). Compared with Q4 2025, it opened 12 new positions, sold out of 15, added to 48 and reduced 59. The biggest buy was Arm Holdings PLC-ADR (ARM, shares +52%) and the biggest sale PTC (PTC, shares −81%).

Most Recent 13F: Q2 2026
Location: ZURICH, V8
CIK: 0001418427
Portfolio Value: $4.7B (Q1 2026)
SEC Filing: 0001418427-26-000002 ↗ filed May 7, 2026

Holdings Value

Holdings 126 stocks · $4.7B


VRT Vertiv Holdings Co. Class A	3.83%	722,999	$181.2M	Reduce -17.3%
PWR Quanta Services Inc.	3.75%	323,329	$177.5M	Add +1.0%
NVT Nvent Electric PLC	3.56%	1,424,388	$168.5M	Add +0.9%
ARM Arm Holdings PLC-ADR	3.22%	1,007,404	$152.4M	Add +52.0%
LITE Lumentum Holdings Inc.	3.19%	214,826	$151.0M	Reduce -46.3%
A Agilent Technologies Inc.	2.69%	1,117,545	$127.4M	Add +6.5%
FSLR First Solar Inc.	2.69%	645,692	$127.4M	Add +19.8%
ADI Analog Devices Inc.	2.65%	393,959	$125.3M	Add +29.0%
ADSK Autodesk Inc.	2.60%	513,027	$122.8M	Add +1.1%
ON On Semiconductor	2.57%	1,962,299	$121.5M	Add +50.4%
MRVL Marvell Technology Inc.	2.52%	1,202,307	$119.1M	Add +30.3%
RRX Regal Rexnord Corp.	2.27%	573,127	$107.3M	Add +1.0%
MPWR Monolithic Power Systems Inc.	2.20%	94,993	$103.9M	Reduce -0.0%
NXT Nextpower Inc.	2.19%	858,168	$103.5M	Reduce -5.2%
GNRC Generac Holdings Inc.	1.97%	477,006	$93.2M	Add +27.5%
ITRI Itron Inc.	1.80%	951,735	$85.3M	Add +125.3%
LSCC Lattice Semiconductor Corp.	1.77%	901,165	$83.6M	Add +1.0%
XYL Xylem Inc.	1.76%	697,677	$83.4M	Reduce -8.5%
CSL Carlisle Cos Inc.	1.76%	249,629	$83.3M	Add +1.0%
VLTO Veralto Corp.	1.59%	850,298	$75.2M	Add +16.0%
TT Trane Technologies PLC	1.54%	174,222	$72.6M	Add +44.3%
IEX Idex Corp.	1.52%	379,071	$71.9M	Reduce -8.1%
TTEK Tetra Tech Inc.	1.46%	2,287,250	$68.9M	Reduce -2.5%
PCOR Procore Technologies Inc.	1.41%	1,167,931	$66.6M	Add +1.0%
TMO Thermo Fisher Scientific Inc.	1.36%	130,713	$64.2M	Add +13.5%
RUN Sunrun Inc.	1.21%	4,222,937	$57.3M	Add +43.3%
DHR Danaher Corp.	1.15%	287,881	$54.6M	Add +6.9%
FERG Ferguson Enterprises Inc.	1.15%	232,708	$54.3M	Reduce -7.1%
BEPC Brookfield Renewable Corp.	1.13%	1,342,029	$53.5M	Add +1.0%
SQM Quimica Y Minera Chil-SP ADR filed as SOCIEDAD QUIMICA Y MINERA DE	1.06%	616,488	$49.9M	Reduce -10.0%
ECL Ecolab Inc.	1.05%	186,208	$49.5M	Reduce -19.4%
EME Emcor Group Inc.	1.00%	64,260	$47.4M	Add +42.1%
POWI Power Integrations Inc.	0.94%	870,170	$44.6M	Add +38.7%
FIX Comfort Systems USA Inc.	0.92%	31,474	$43.4M	Reduce -3.7%
WAT Waters Corp.	0.91%	144,872	$43.1M	Add +9.7%
APG Api Group Corp.	0.90%	1,048,034	$42.5M	Reduce -25.2%
WMS Advanced Drainage Systems Inc.	0.89%	308,404	$42.3M	Reduce -15.3%
AIT Applied Industrial Tech Inc.	0.87%	155,022	$41.1M	Add +3.5%
TER Teradyne Inc.	0.85%	135,736	$40.2M	Reduce -44.6%
ENPH Enphase Energy Inc.	0.84%	1,052,075	$39.8M	New
WM Waste Management Inc.	0.83%	170,778	$39.2M	Reduce -44.8%
J Jacobs Solutions Inc.	0.82%	303,330	$38.6M	Add +12.9%
CNM Core & Main Inc. Class A	0.79%	760,784	$37.6M	Reduce -7.1%
GLW Corning Inc.	0.75%	262,500	$35.7M	Add +54.0%
BE Bloom Energy Corp. Class A	0.75%	261,101	$35.4M	New
ALB Albemarle Corp.	0.74%	194,912	$35.0M	Reduce -40.3%
AVTR Avantor Inc.	0.69%	4,189,536	$32.8M	Reduce -42.5%
ACM Aecom	0.67%	371,937	$31.5M	Reduce -2.3%
MWH Solv Energy Inc. Class A	0.64%	1,004,904	$30.2M	New
COHR Coherent Corp.	0.58%	114,400	$27.3M	Add +99.0%
DOV Dover Corp.	0.57%	130,162	$27.1M	Reduce -17.6%
ROP Roper Technologies Inc.	0.56%	74,801	$26.5M	Add +17.9%
CTAS Cintas Corp.	0.55%	154,706	$26.2M	Reduce -0.4%
FSS Federal Signal Corp.	0.55%	241,407	$26.1M	Add +24.3%
PNR Pentair PLC	0.54%	293,136	$25.5M	Reduce -30.2%
FBIN Fortune Brands Innovations I	0.53%	646,689	$25.2M	Reduce -2.8%
AWK American Water Works Co. Inc.	0.53%	183,446	$25.0M	Reduce -29.5%
TXN Texas Instruments Inc.	0.51%	124,027	$24.1M	Reduce -6.7%
GFL GFL Environmental Inc.-Sub VT	0.51%	577,003	$24.1M	Reduce -15.0%
ONTO Onto Innovation Inc.	0.50%	114,700	$23.5M	Reduce -18.1%
AUGO Aura Minerals Inc.	0.49%	286,000	$23.3M	Add +10.0%
NVDA Nvidia Corp.	0.48%	129,500	$22.6M	No change
KEYS Keysight Technologies Inc.	0.47%	78,500	$22.2M	Reduce -9.3%
VIAV Viavi Solutions Inc.	0.46%	660,000	$22.0M	Add +10.9%
LIN Linde PLC	0.46%	43,818	$21.7M	Add +17.4%
BMI Badger Meter Inc.	0.46%	141,393	$21.5M	Add +1.6%
COR Cencora Inc.	0.45%	68,000	$21.4M	Add +213.4%
MTD Mettler-Toledo International	0.45%	16,914	$21.3M	Reduce -26.9%
NXPI NXP Semiconductors NV	0.44%	106,251	$20.9M	Reduce -6.7%
HBM Hudbay Minerals Inc.	0.40%	901,000	$18.8M	Reduce -22.0%
WTS Watts Water Technologies-A	0.39%	63,032	$18.3M	Reduce -4.5%
STM Stmicroelectronics NV-NY SHS	0.39%	528,398	$18.3M	Reduce -6.7%
TEL Te Connectivity PLC	0.38%	85,737	$17.9M	Reduce -41.4%
AOS Smith (a.o.) Corp.	0.38%	269,170	$17.7M	Reduce -0.1%
QCOM Qualcomm Inc.	0.37%	137,521	$17.7M	Reduce -6.7%
RSG Republic Services Inc.	0.36%	76,822	$16.8M	Add +56.1%
TSLA Tesla Inc.	0.35%	44,430	$16.5M	Add +12.9%
HSAI Hesai Group	0.34%	840,385	$16.1M	Reduce -28.8%
SNPS Synopsys Inc.	0.34%	40,500	$16.1M	Add +38.7%
SNOW Snowflake Inc.	0.31%	97,500	$14.7M	Add +79.9%
SPXC SPX Technologies Inc.	0.30%	71,713	$14.3M	New
CVCO Cavco Industries Inc.	0.30%	29,200	$14.1M	Add +12.3%
AVGO Broadcom Inc.	0.29%	43,700	$13.5M	Add +157.1%
VMI Valmont Industries	0.28%	33,240	$13.3M	Reduce -0.7%
SPOT Spotify Technology SA	0.27%	26,540	$12.9M	Add +43.1%
SFM Sprouts Farmers Market Inc.	0.27%	165,000	$12.7M	Add +82.7%
CECO Ceco Environmental Corp.	0.25%	198,743	$11.8M	Add +51.5%
ICFI Icf International Inc.	0.24%	176,188	$11.5M	No change
CDNS Cadence Design SYS Inc.	0.24%	40,000	$11.1M	Add +100.0%
XPEV Xpeng Inc. - ADR	0.22%	621,565	$10.6M	Reduce -6.7%
MKSI MKS Inc.	0.22%	45,600	$10.5M	Reduce -13.4%
SXT Sensient Technologies Corp.	0.22%	120,818	$10.4M	Reduce -17.6%
PTC PTC Inc.	0.22%	71,443	$10.2M	Reduce -80.8%
BSY Bentley Systems Inc. Class B	0.21%	288,537	$10.1M	No change
CMC Commercial Metals Co.	0.21%	164,500	$10.1M	New
OSIS Osi Systems Inc.	0.20%	36,500	$9.7M	Add +19.5%
MWA Mueller Water Products Inc. Class A	0.20%	348,669	$9.6M	Reduce -4.4%
WCC Wesco International Inc.	0.20%	35,000	$9.6M	Reduce -49.5%
SSD Simpson Manufacturing Co. Inc.	0.16%	44,000	$7.6M	No change
AZZ Azz Inc.	0.15%	56,600	$7.1M	No change
EMR Emerson Electric Co.	0.15%	52,825	$6.9M	No change
IR Ingersoll-Rand Inc.	0.13%	77,900	$6.2M	Reduce -76.5%
CSCO Cisco Systems Inc.	0.12%	72,000	$5.6M	Reduce -56.6%
AMBA Ambarella Inc.	0.11%	104,154	$5.4M	Reduce -35.9%
ALC Alcon Inc. filed as ALCON AG	0.11%	70,299	$5.3M	Reduce -22.4%
MDT Medtronic PLC	0.11%	59,063	$5.1M	Reduce -21.8%
FN Fabrinet	0.11%	9,800	$5.1M	New
ABBV Abbvie Inc.	0.10%	21,142	$4.6M	Reduce -17.1%
CVS CVS Health Corp.	0.09%	61,761	$4.4M	Reduce -39.2%
AMD Advanced Micro Devices	0.09%	21,500	$4.4M	New
MIR Mirion Technologies Inc.	0.09%	230,000	$4.3M	No change
IFF Intl Flavors & Fragrances filed as INTERNATIONAL FLAVORS&FRAGRA	0.09%	58,187	$4.2M	Reduce -23.5%
UNH Unitedhealth Group Inc.	0.09%	15,134	$4.1M	Reduce -17.1%
CL Colgate-Palmolive Co.	0.06%	34,311	$2.9M	Reduce -12.0%
BSX Boston Scientific Corp.	0.06%	44,264	$2.8M	Reduce -17.1%
CLH Clean Harbors Inc.	0.06%	9,500	$2.7M	Reduce -91.9%
OC Owens Corning	0.05%	20,500	$2.2M	New
MMS Maximus Inc.	0.04%	31,404	$2.0M	Reduce -58.8%
DECK Deckers Outdoor Corp.	0.04%	17,640	$1.8M	Reduce -34.0%
ONON On Holding AG Class A filed as ON HLDG AG	0.03%	48,094	$1.6M	Add +12.8%
LLY Eli Lilly & Co.	0.03%	1,442	$1.3M	New
VEEV Veeva Systems Inc. Class A	0.01%	3,910	$687K	Reduce -89.4%
TRMB Trimble Inc.	0.01%	6,301	$411K	New
HTO H2O America	0.01%	6,127	$359K	New
ZBRA Zebra Technologies Corp. Class A	0.01%	1,667	$349K	Add +12.9%
VITL Vital Farms Inc.	0.01%	20,353	$287K	New

Portfolio Sells Q4 2025 → Q1 2026


PTC PTC Inc.	Reduce -80.8%	0.22%	−1.23
AVTR Avantor Inc.	Reduce -42.5%	0.69%	−1.17
WM Waste Management Inc.	Reduce -44.8%	0.83%	−0.69
XYL Xylem Inc.	Reduce -8.5%	1.76%	−0.56
CLH Clean Harbors Inc.	Reduce -91.9%	0.06%	−0.56
IR Ingersoll-Rand Inc.	Reduce -76.5%	0.13%	−0.46
PNR Pentair PLC	Reduce -30.2%	0.54%	−0.44
TEL Te Connectivity PLC	Reduce -41.4%	0.38%	−0.37
ECL Ecolab Inc.	Reduce -19.4%	1.05%	−0.31
CLS Celestica Inc.	Sold out	0.00%	−0.31
DELL Dell Technologies -C	Sold out	0.00%	−0.31
TTEK Tetra Tech Inc.	Reduce -2.5%	1.46%	−0.31
GDDY GoDaddy Inc. Class A	Sold out	0.00%	−0.31
APG Api Group Corp.	Reduce -25.2%	0.90%	−0.30
ALB Albemarle Corp.	Reduce -40.3%	0.74%	−0.29
WMS Advanced Drainage Systems Inc.	Reduce -15.3%	0.89%	−0.29
MTD Mettler-Toledo International	Reduce -26.9%	0.45%	−0.27
FROG Jfrog Ltd.	Sold out	0.00%	−0.25
HSAI Hesai Group	Reduce -28.8%	0.34%	−0.25
AWK American Water Works Co. Inc.	Reduce -29.5%	0.53%	−0.23
FBIN Fortune Brands Innovations I	Reduce -2.8%	0.53%	−0.21
TER Teradyne Inc.	Reduce -44.6%	0.85%	−0.21
TTAN Servicetitan Inc. Class A	Sold out	0.00%	−0.20
QCOM Qualcomm Inc.	Reduce -6.7%	0.37%	−0.19
WCC Wesco International Inc.	Reduce -49.5%	0.20%	−0.18
VEEV Veeva Systems Inc. Class A	Reduce -89.4%	0.01%	−0.17
CSCO Cisco Systems Inc.	Reduce -56.6%	0.12%	−0.17
CNM Core & Main Inc. Class A	Reduce -7.1%	0.79%	−0.16
ACM Aecom	Reduce -2.3%	0.67%	−0.15
AMBA Ambarella Inc.	Reduce -35.9%	0.11%	−0.14
GFL GFL Environmental Inc.-Sub VT	Reduce -15.0%	0.51%	−0.14
SLGN Silgan Holdings Inc.	Sold out	0.00%	−0.14
IEX Idex Corp.	Reduce -8.1%	1.52%	−0.13
DOV Dover Corp.	Reduce -17.6%	0.57%	−0.12
HBM Hudbay Minerals Inc.	Reduce -22.0%	0.40%	−0.12
LITE Lumentum Holdings Inc.	Reduce -46.3%	3.19%	−0.11
NXPI NXP Semiconductors NV	Reduce -6.7%	0.44%	−0.11
MMS Maximus Inc.	Reduce -58.8%	0.04%	−0.10
FERG Ferguson Enterprises Inc.	Reduce -7.1%	1.15%	−0.10
CTAS Cintas Corp.	Reduce -0.4%	0.55%	−0.10
ROCK Gibraltar Industries Inc.	Sold out	0.00%	−0.10
PLMR Palomar Holdings Inc.	Sold out	0.00%	−0.10
SXT Sensient Technologies Corp.	Reduce -17.6%	0.22%	−0.09
CVS CVS Health Corp.	Reduce -39.2%	0.09%	−0.09
XPEV Xpeng Inc. - ADR	Reduce -6.7%	0.22%	−0.08
NOMD Nomad Foods Ltd.	Sold out	0.00%	−0.08
BSX Boston Scientific Corp.	Reduce -17.1%	0.06%	−0.06
MDT Medtronic PLC	Reduce -21.8%	0.11%	−0.05
UNH Unitedhealth Group Inc.	Reduce -17.1%	0.09%	−0.05
ALC Alcon Inc.	Reduce -22.4%	0.11%	−0.05

Portfolio Buys Q4 2025 → Q1 2026


ARM Arm Holdings PLC-ADR	Add +52.0%	3.22%	+1.60
ON On Semiconductor	Add +50.4%	2.57%	+0.99
ITRI Itron Inc.	Add +125.3%	1.80%	+0.93
ENPH Enphase Energy Inc.	New	0.84%	+0.84
GNRC Generac Holdings Inc.	Add +27.5%	1.97%	+0.83
ADI Analog Devices Inc.	Add +29.0%	2.65%	+0.80
MRVL Marvell Technology Inc.	Add +30.3%	2.52%	+0.76
BE Bloom Energy Corp. Class A	New	0.75%	+0.75
PWR Quanta Services Inc.	Add +1.0%	3.75%	+0.73
MWH Solv Energy Inc. Class A	New	0.64%	+0.64
RRX Regal Rexnord Corp.	Add +1.0%	2.27%	+0.49
TT Trane Technologies PLC	Add +44.3%	1.54%	+0.48
POWI Power Integrations Inc.	Add +38.7%	0.94%	+0.44
GLW Corning Inc.	Add +54.0%	0.75%	+0.42
EME Emcor Group Inc.	Add +42.1%	1.00%	+0.38
COHR Coherent Corp.	Add +99.0%	0.58%	+0.34
NVT Nvent Electric PLC	Add +0.9%	3.56%	+0.34
SPXC SPX Technologies Inc.	New	0.30%	+0.30
LSCC Lattice Semiconductor Corp.	Add +1.0%	1.77%	+0.30
COR Cencora Inc.	Add +213.4%	0.45%	+0.29
VIAV Viavi Solutions Inc.	Add +10.9%	0.46%	+0.23
CMC Commercial Metals Co.	New	0.21%	+0.21
AUGO Aura Minerals Inc.	Add +10.0%	0.49%	+0.20
AVGO Broadcom Inc.	Add +157.1%	0.29%	+0.15
RSG Republic Services Inc.	Add +56.1%	0.36%	+0.12
FN Fabrinet	New	0.11%	+0.11
SFM Sprouts Farmers Market Inc.	Add +82.7%	0.27%	+0.11
LIN Linde PLC	Add +17.4%	0.46%	+0.10
CDNS Cadence Design SYS Inc.	Add +100.0%	0.24%	+0.10
AMD Advanced Micro Devices	New	0.09%	+0.09
FSS Federal Signal Corp.	Add +24.3%	0.55%	+0.08
CECO Ceco Environmental Corp.	Add +51.5%	0.25%	+0.07
OC Owens Corning	New	0.05%	+0.05
SNOW Snowflake Inc.	Add +79.9%	0.31%	+0.04
SNPS Synopsys Inc.	Add +38.7%	0.34%	+0.03
SPOT Spotify Technology SA	Add +43.1%	0.27%	+0.03
OSIS Osi Systems Inc.	Add +19.5%	0.20%	+0.03
LLY Eli Lilly & Co.	New	0.03%	+0.03
J Jacobs Solutions Inc.	Add +12.9%	0.82%	+0.02
TRMB Trimble Inc.	New	0.01%	+0.01
AIT Applied Industrial Tech Inc.	Add +3.5%	0.87%	+0.01
HTO H2O America	New	0.01%	+0.01
VITL Vital Farms Inc.	New	0.01%	+0.01
ZBRA Zebra Technologies Corp. Class A	Add +12.9%	0.01%	−0.00
RUN Sunrun Inc.	Add +43.3%	1.21%	−0.00
CSL Carlisle Cos Inc.	Add +1.0%	1.76%	−0.01
ONON On Holding AG Class A	Add +12.8%	0.03%	−0.01
BEPC Brookfield Renewable Corp.	Add +1.0%	1.13%	−0.01
CVCO Cavco Industries Inc.	Add +12.3%	0.30%	−0.05
TSLA Tesla Inc.	Add +12.9%	0.35%	−0.05

All Filings

Quarter	Positions	13F Reported Value	Top Holdings
Q2 2026	126	$6.2B	ARM, MRVL, NVT, PWR, VRT
Q1 2026	126	$4.7B	VRT, PWR, NVT, ARM, LITE
Q4 2025	129	$4.5B	ADSK, LITE, NVT, A, VRT
Q3 2025	128	$4.4B	ADSK, A, NVT, VRT, FSLR
Q2 2025	126	$4.3B	ADSK, A, VRT, PWR, ARM
Q1 2025	129	$4.1B	ADSK, AVTR, A, XYL, PTC
Q4 2024	120	$4.7B	ADSK, AVTR, A, PWR, MRVL
Q3 2024	120	$5.3B	ADSK, AVTR, A, CSL, PWR
Q2 2024	122	$5.2B	ARM, ADSK, CSL, PWR, A
Q1 2024	120	$5.7B	A, PTC, ARM, PWR, MPWR