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Robeco Institutional Asset Management B.V.: 13F portfolio Q2 2026 and what copying it returned
Robeco Institutional Asset Management B.V.'s 13F for the quarter ended 2026-06-30 (filed Jul 21, 2026): 400 common-share positions, $81.4B reported. Copying each 13F the day after it was filed returned +30.1% from Apr 25, 2025 to Nov 6, 2026, against +34.5% for SPY.
Copying the 13F
Each 13F bought at the close of the first trading day after it was filed and held, drifting, until the next one; value-weighted over the common-share positions with a price (94.9% of the portfolio on average); 6 filings since Apr 23, 2025. Price returns for the clone and SPY alike (no dividends, no costs). A 13F lists only US long positions at quarter end, reported up to 45 days later.
Largest holdings (2026-06-30)
| Ticker | Company | Weight | Value | Change in the quarter |
|---|---|---|---|---|
| NVDA | NVIDIA | 6.6% | $5.3B | +1.9% |
| AAPL | Apple | 5.2% | $4.3B | +2.8% |
| GOOGL | Alphabet | 4.1% | $3.3B | +2.8% |
| MSFT | Microsoft | 3.4% | $2.8B | +1.9% |
| AMZN | Amazon.com | 2.8% | $2.3B | +12.5% |
| AVGO | Broadcom | 2.1% | $1.7B | +15.5% |
| AMAT | Applied Materials | 1.7% | $1.4B | +11.7% |
| MU | Micron Technology | 1.5% | $1.2B | +5.2% |
| GOOG | Alphabet | 1.4% | $1.1B | +0.7% |
| JPM | JPMorgan Chase | 1.2% | $979M | -0.5% |
| META | Meta Platforms | 1.1% | $914M | -2.3% |
| LLY | ELI Lilly | 1.1% | $910M | +16.2% |
| ABBV | AbbVie | 1.1% | $897M | +9.7% |
| KLAC | KLA | 1.0% | $809M | +783.3% |
| LRCX | LAM Research | 1.0% | $796M | -10.9% |
| CMI | Cummins | 0.8% | $688M | +111.5% |
| TSLA | Tesla | 0.8% | $648M | -1.3% |
| CSCO | Cisco Systems | 0.8% | $642M | -14.8% |
| VRT | Vertiv Holdings | 0.8% | $642M | -6.9% |
| AMD | Advanced Micro Devices | 0.8% | $635M | +19.9% |
| ADI | Analog Devices | 0.8% | $632M | +20.0% |
| V | Visa | 0.8% | $629M | +15.7% |
| ANET | Arista Networks | 0.8% | $621M | -6.5% |
| IBN | Icici Bank | 0.8% | $614M | +6.6% |
| PBR-A | Petrobras - Petroleo Brasileiro SA | 0.7% | $550M | +21.1% |
Biggest adds
- DD new
- MDLN new
- SPCX new
- CGNX new
- FDXF new
- DOW new
- BMA new
- FR new
- MXL new
- TDY new
Biggest cuts
- OVV exit
- CAG exit
- TLK exit
- BLDR exit
- PLNT exit
- SOLV exit
- RAMP exit
Track record
Of 310 position changes scored in 310 separate decisions, 46.1% were on the right side of SPY over the next three months (Disclosures → Smart money).
Open in Disclosures → every quarter, the clone month by month, the smart-money record
Source: SEC Form 13F-HR, filer CIK 1418773. Not investment advice.