AI Portfolio Summary
In 2026 Q1, Robeco Schweiz AG maintained a portfolio of 141 distinct positions. The most significant new addition to the portfolio was ENPHASE ENERGY INC, which now represents 0.84% of the total fund value. They heavily accumulated shares in QUANTA SVCS INC, increasing their position by 1.0%. The fund also reduced its exposure to LUMENTUM HLDGS INC by 46.3%.
Total Positions
141
Quarter
2026 Q1
Top Holding
VRT (3.8%)
Top 10 Concentration
30.8%
Turnover Rate
23.4%
Sector HHI
0.18
Items per page:
Showing 1-50 of 141
| Stock | History | Sector / Type | Port % | Prev % | Rank / Prev | Conviction | Change | % Change | Influence | Shares | Mkt Value | Avg Cost | Price Held | 1st Owned | Source | Source Date | Date Reported |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
VRT
VERTIV HOLDINGS...
|
Industrials | 3.83% | 3.17% |
#1
4
Prev: #5
|
4.0 | -150,884 | -17.3% |
P
S
|
722,999 | $181,169,089 | 2020 Q4 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
PWR
QUANTA SVCS INC
|
Industrials | 3.75% | 3.03% |
#2
5
Prev: #7
|
3.5 | 3,268 | 1.0% |
P
S
|
323,329 | $177,514,087 | 2007 Q3 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
NVT
NVENT ELEC PLC
|
Industrials | 3.56% | 3.22% |
#3
Prev: #3
|
2.9 | 13,023 | 0.9% |
P
S
|
1,424,388 | $168,476,613 | 2023 Q2 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
ARM
ARM HOLDINGS PL...
|
Technology | 3.22% | 1.62% |
#4
16
Prev: #20
|
4.8 | 344,739 | 52.0% |
P
S
|
1,007,404 | $152,400,078 | 2023 Q3 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
LITE
LUMENTUM HLDGS ...
|
Technology | 3.19% | 3.30% |
#5
3
Prev: #2
|
1.8 | -185,271 | -46.3% |
P
S
|
214,826 | $150,971,120 | 2019 Q3 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
A
AGILENT TECHNOL...
|
Healthcare | 2.69% | 3.20% |
#6
2
Prev: #4
|
3.1 | 68,487 | 6.5% |
P
S
|
1,117,545 | $127,377,779 | 2007 Q3 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
FSLR
FIRST SOLAR INC
|
Technology | 2.69% | 3.16% |
#7
1
Prev: #6
|
3.1 | 106,614 | 19.8% |
P
S
|
645,692 | $127,369,204 | 2008 Q4 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
ADI
ANALOG DEVICES ...
|
Technology | 2.65% | 1.86% |
#8
4
Prev: #12
|
3.6 | 88,662 | 29.0% |
P
S
|
393,959 | $125,334,116 | 2017 Q3 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
ADSK
AUTODESK INC
|
Technology | 2.60% | 3.36% |
#9
8
Prev: #1
|
1.5 | 5,747 | 1.1% |
P
S
|
513,027 | $122,818,664 | 2011 Q3 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
ON
ON SEMICONDUCTO...
|
Technology | 2.57% | 1.58% |
#10
11
Prev: #21
|
4.0 | 657,110 | 50.3% |
P
S
|
1,962,299 | $121,505,554 | 2014 Q2 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
MRVL
MARVELL TECHNOL...
|
Technology | 2.52% | 1.76% |
#11
6
Prev: #17
|
3.5 | 279,456 | 30.3% |
P
S
|
1,202,307 | $119,088,509 | 2019 Q1 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
RRX
REGAL REXNORD C...
|
Industrials | 2.27% | 1.78% |
#12
1
Prev: #13
|
1.4 | 5,792 | 1.0% |
P
S
|
573,127 | $107,323,762 | 2009 Q2 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
MPWR
MONOLITHIC PWR ...
|
Technology | 2.20% | 1.93% |
#13
4
Prev: #9
|
1.4 | -25 | -0.0% |
P
S
|
94,993 | $103,860,596 | 2013 Q4 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
NXT
NEXTPOWER INC
|
Technology | 2.19% | 1.77% |
#14
1
Prev: #15
|
1.4 | -47,142 | -5.2% |
P
S
|
858,168 | $103,452,152 | 2024 Q4 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
GNRC
GENERAC HLDGS I...
|
Industrials | 1.97% | 1.14% |
#15
17
Prev: #32
|
3.3 | 102,877 | 27.5% |
P
S
|
477,006 | $93,173,582 | 2020 Q2 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
ITRI
ITRON INC
|
Technology | 1.80% | 0.88% |
#16
25
Prev: #41
|
3.7 | 529,324 | 125.3% |
P
S
|
951,735 | $85,304,008 | 2007 Q3 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
LSCC
LATTICE SEMICON...
|
Technology | 1.77% | 1.47% |
#17
7
Prev: #24
|
1.2 | 9,108 | 1.0% |
P
S
|
901,165 | $83,592,066 | 2020 Q1 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
XYL
XYLEM INC
|
Industrials | 1.76% | 2.33% |
#18
10
Prev: #8
|
1.2 | -64,582 | -8.5% |
P
S
|
697,677 | $83,372,402 | 2011 Q4 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
CSL
CARLISLE COS IN...
|
Industrials | 1.76% | 1.77% |
#19
5
Prev: #14
|
1.2 | 2,518 | 1.0% |
P
S
|
249,629 | $83,281,227 | 2023 Q1 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
VLTO
VERALTO CORP
|
Industrials | 1.59% | 1.64% |
#20
1
Prev: #19
|
2.6 | 117,287 | 16.0% |
P
S
|
850,298 | $75,183,349 | 2023 Q3 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
TT
TRANE TECHNOLOG...
|
Industrials | 1.54% | 1.05% |
#21
16
Prev: #37
|
3.1 | 53,477 | 44.3% |
P
S
|
174,222 | $72,605,276 | 2024 Q1 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
IEX
IDEX CORP
|
Industrials | 1.52% | 1.65% |
#22
4
Prev: #18
|
1.1 | -33,565 | -8.1% |
P
S
|
379,071 | $71,852,908 | 2007 Q3 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
TTEK
TETRA TECH INC ...
|
Industrials | 1.46% | 1.76% |
#23
7
Prev: #16
|
1.1 | -59,854 | -2.6% |
P
S
|
2,287,250 | $68,891,970 | 2007 Q3 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
PCOR
PROCORE TECHNOL...
|
Technology | 1.41% | 1.88% |
#24
14
Prev: #10
|
1.1 | 11,803 | 1.0% |
P
S
|
1,167,931 | $66,572,067 | 2023 Q4 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
TMO
THERMO FISHER S...
|
Healthcare | 1.36% | 1.50% |
#25
2
Prev: #23
|
2.5 | 15,508 | 13.5% |
P
S
|
130,713 | $64,249,361 | 2007 Q3 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
RUN
SUNRUN INC
|
Technology | 1.21% | 1.21% |
#26
3
Prev: #29
|
3.0 | 1,276,161 | 43.3% |
P
S
|
4,222,937 | $57,263,026 | 2015 Q4 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
DHR
DANAHER CORP DE...
|
Healthcare | 1.15% | 1.38% |
#27
1
Prev: #26
|
2.5 | 18,553 | 6.9% |
P
S
|
287,881 | $54,582,238 | 2007 Q3 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
FERG
FERGUSON ENTERP...
|
Industrials | 1.15% | 1.25% |
#28
Prev: #28
|
1.0 | -17,866 | -7.1% |
P
S
|
232,708 | $54,281,468 | 2024 Q3 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
BEPC
BROOKFIELD RENE...
|
Utilities | 1.13% | 1.14% |
#29
4
Prev: #33
|
1.0 | 13,558 | 1.0% |
P
S
|
1,342,029 | $53,453,015 | 2024 Q4 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
SQM
SOCIEDAD QUIMIC...
|
Basic Materials | 1.06% | 1.06% |
#30
6
Prev: #36
|
0.9 | -68,712 | -10.0% |
P
S
|
616,488 | $49,898,539 | 2010 Q4 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
ECL
ECOLAB INC
|
Basic Materials | 1.05% | 1.36% |
#31
4
Prev: #27
|
0.9 | -44,851 | -19.4% |
P
S
|
186,208 | $49,535,052 | 2007 Q3 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
EME
EMCOR GROUP INC
|
Industrials | 1.00% | 0.62% |
#32
22
Prev: #54
|
2.9 | 19,034 | 42.1% |
P
S
|
64,260 | $47,443,801 | 2020 Q3 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
POWI
POWER INTEGRATI...
|
Technology | 0.94% | 0.50% |
#33
31
Prev: #64
|
2.9 | 242,696 | 38.7% |
P
S
|
870,170 | $44,552,704 | 2013 Q3 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
FIX
COMFORT SYS USA...
|
Industrials | 0.92% | 0.68% |
#34
16
Prev: #50
|
0.9 | -1,201 | -3.7% |
P
S
|
31,474 | $43,402,331 | 2020 Q3 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
WAT
WATERS CORP
|
Healthcare | 0.91% | 1.12% |
#35
1
Prev: #34
|
2.4 | 12,779 | 9.7% |
P
S
|
144,872 | $43,142,882 | 2012 Q2 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
APG
API GROUP CORP
|
Industrials | 0.90% | 1.20% |
#36
6
Prev: #30
|
0.4 | -353,236 | -25.2% |
P
S
|
1,048,034 | $42,466,338 | 2020 Q3 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
WMS
ADVANCED DRAIN ...
|
Industrials | 0.89% | 1.18% |
#37
6
Prev: #31
|
0.9 | -55,906 | -15.3% |
P
S
|
308,404 | $42,291,441 | 2019 Q3 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
AIT
APPLIED INDL TE...
|
Industrials | 0.87% | 0.86% |
#38
4
Prev: #42
|
0.8 | 5,320 | 3.6% |
P
S
|
155,022 | $41,130,437 | 2022 Q2 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
TER
TERADYNE INC
|
Technology | 0.85% | 1.06% |
#39
4
Prev: #35
|
0.3 | -109,233 | -44.6% |
P
S
|
135,736 | $40,240,294 | 2020 Q1 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
ENPH
ENPHASE ENERGY ...
|
Technology | 0.84% | — |
#40
Prev: #—
|
3.8 | 1,052,075 | no change |
NEW
|
1,052,075 | $39,778,956 | 2012 Q2 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
WM
WASTE MGMT INC ...
|
Industrials | 0.83% | 1.52% |
#41
19
Prev: #22
|
0.3 | -138,534 | -44.8% |
P
S
|
170,778 | $39,243,076 | 2007 Q3 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
J
JACOBS SOLUTION...
|
Industrials | 0.82% | 0.80% |
#42
2
Prev: #44
|
2.3 | 34,776 | 12.9% |
P
S
|
303,330 | $38,607,842 | 2007 Q3 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
CNM
CORE & MAIN INC
|
Industrials | 0.79% | 0.95% |
#43
3
Prev: #40
|
0.8 | -57,760 | -7.1% |
P
S
|
760,784 | $37,582,730 | 2022 Q1 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
GLW
CORNING INC
|
Technology | 0.75% | 0.33% |
#44
31
Prev: #75
|
3.3 | 92,000 | 54.0% |
P
S
|
262,500 | $35,692,125 | 2007 Q3 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
BE
BLOOM ENERGY CO...
|
Industrials | 0.75% | — |
#45
Prev: #—
|
3.8 | 261,101 | no change |
NEW
|
261,101 | $35,376,574 | 2026 Q1 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
ALB
ALBEMARLE CORP
|
Basic Materials | 0.74% | 1.03% |
#46
8
Prev: #38
|
0.3 | -131,368 | -40.3% |
P
S
|
194,912 | $34,992,551 | 2015 Q3 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
AVTR
AVANTOR INC
|
Healthcare | 0.69% | 1.87% |
#47
36
Prev: #11
|
0.3 | -3,091,425 | -42.5% |
P
S
|
4,189,536 | $32,845,962 | 2021 Q3 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
ACM
AECOM
|
Industrials | 0.67% | 0.81% |
#48
5
Prev: #43
|
0.8 | -8,867 | -2.3% |
P
S
|
371,937 | $31,547,697 | 2009 Q3 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
N/A
SOLV ENERGY INC
|
—
|
Unknown | 0.64% | — |
#49
Prev: #—
|
3.8 | 1,004,904 | no change |
NEW
|
1,004,904 | $30,177,267 | — | 13F Filing | 2026-03-31 | 2026-05-07 | ||
|
COHR
COHERENT CORP
|
Technology | 0.58% | 0.24% |
#50
41
Prev: #91
|
3.2 | 56,900 | 99.0% |
P
S
|
114,400 | $27,251,224 | 2014 Q1 | 13F Filing | 2026-03-31 | 2026-05-07 |
Showing 1-50 of 141 holdings