Robeco Schweiz AG
Robeco Schweiz AG reported 135 stocks worth $5.5B in its 13F filing for Q3 2026, filed Oct 23, 2026. Its largest holdings are ARM (4.1%), NVT (4.0%) and MRVL (4.0%). Compared with Q2 2026, the fund opened new positions in ENTG, ITT and IOT, added to VRT, NXT and ADSK, trimmed ARM, NVT and MRVL and sold out of FIX, AVTR and AMBA.
Holdings
| # | Stock | Value | Weight | Shares | Change | Shares, 8 qtrs | Held |
|---|---|---|---|---|---|---|---|
| 1 |  ARM Arm Hldgs PLC Equity A F | $225M | 4.1% | 777K | −50K (−6%) | 8 of 8 | |
| 2 |  NVT Nvent Electric PLC | $224M | 4.0% | 1.4M | −51K (−4%) | 8 of 8 | |
| 3 |  MRVL Marvell Technology Inc | $220M | 4.0% | 834K | −126K (−13%) | 8 of 8 | |
| 4 |  PWR Quanta Svcs Inc | $210M | 3.8% | 326K | No change | 8 of 8 | |
| 5 |  ADI Analog Devices Inc | $198M | 3.6% | 499K | −28K (−5%) | 8 of 8 | |
| 6 |  LITE Lumentum Hldgs Inc | $170M | 3.1% | 175K | −8,871 (−5%) | 8 of 8 | |
| 7 |  VRT Vertiv Holdings Co | $161M | 2.9% | 667K | +29K (+5%) | 8 of 8 | |
| 8 |  A Agilent Technologies Inc | $161M | 2.9% | 932K | −76K (−8%) | 8 of 8 | |
| 9 |  NXT Nextracker Inc | $134M | 2.4% | 1.7M | +855K (+99%) | 8 of 8 | |
| 10 |  ON ON Semiconductor Corp | $127M | 2.3% | 1.7M | −64K (−4%) | 8 of 8 |
Positions at Sep 30, 2026, as reported. Change is against the fund's Q2 2026 filing; weight is the share of the fund's reported stocks.
Sold out
held in Q2 2026, gone in Q3 2026| Stock | Value last quarter | Shares sold |
|---|---|---|
 FIX Comfort Sys USA Inc | $23.4M | 12K |
 AVTR Avantor Inc | $14.5M | 1.5M |
 AMBA Ambarella Inc | $9.1M | 106K |
 PTC Ptc Inc | $8.3M | 73K |
 AMD Advanced Micro Devices Inc | $8.1M | 14K |
🔒 Free account: see all 8.
Reported value
last 8 quartersThe value of the US stocks the fund reported, at quarter end prices. It moves with the market as well as with buying and selling.
Filings for Q3 2026
straight from the SEC| Filed | Form | Quarter | |
|---|---|---|---|
| Oct 23, 2026 | 13F-HR | Q3 2026 | SEC filing ↗ |
Other superinvestors
All hedge fund holdings →Robeco Schweiz AG 13F FAQ
What does Robeco Schweiz AG own?
Robeco Schweiz AG reported 135 stocks worth $5.5B in its 13F filing for Q3 2026, filed Oct 23, 2026. Its largest holdings are ARM (4.1%), NVT (4.0%) and MRVL (4.0%). The table above lists every position in the filing (the top 10 without an account).
What did Robeco Schweiz AG buy and sell in Q3 2026?
Compared with Q2 2026: 17 new positions, 32 added to, 71 trimmed and 8 sold out. New positions include ENTG, ITT and IOT. It sold all of FIX, AVTR and AMBA.
When will Robeco Schweiz AG file its next 13F?
Holdings as of Dec 31, 2026 are due by Feb 15, 2027. The filing appears on this page within minutes of reaching the SEC.
How much is Robeco Schweiz AG's portfolio worth?
The Q3 2026 filing reports $5.5B in US stocks. That leaves out cash, bonds, short positions and most foreign holdings, so the fund's total assets are usually larger.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Holdings come from the fund's SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. The fund may have changed its positions since. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.