Boston Partners reported 756 positions worth $111.80B for the quarter ended Jun 30, 2026, up 18.3% on the prior quarter. It opened 88 new positions, added to 392, trimmed 270 and exited 57. Its largest holding is Amazon Com Inc at 2.7% of the portfolio.
Reported 13F market value at each quarter end. A change mixes trading with price moves in the positions held.
Dollar value of shares bought and sold each quarter, at that quarter’s price. It counts trading only, not price changes.
How many positions were opened, added to, trimmed or closed each quarter.
Share of reported value in each sector at every quarter end.
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| AMZN Amazon Com Inc | +7.41M | +136.0% | $1.77B | 2.75% |
| SO Southern Co | +6.13M | +15,069.1% | $587.15M | 0.529% |
| TPR Tapestry, Inc. | +3.55M | – | $518.09M | 0.463% |
| NVDA Nvidia Corp | +2.30M | +137.3% | $461.86M | 0.714% |
| CRH Crh Public Ltd Co | +3.91M | +43.4% | $417.98M | 1.23% |
| HONA Honeywell Aerospace Inc. | +1.71M | – | $376.66M | 0.337% |
| ABBV AbbVie Inc. | +1.35M | +39.3% | $339.34M | 1.08% |
| SYK Stryker Corp | +1.07M | +127,271.9% | $336.75M | 0.301% |
| COF Capital One Financial Corp | +1.68M | +69.4% | $336.54M | 0.735% |
| SPGI S&P Global Inc. | +818.3K | – | $334.90M | 0.3% |
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| MU Micron Technology Inc | -1.60M | -57.1% | $1.83B | 1.23% |
| MRVL Marvell Technology, Inc. | -4.41M | -71.6% | $1.30B | 0.461% |
| KEYS Keysight Technologies, Inc. | -2.48M | -88.4% | $869.54M | 0.102% |
| FLEX Flex Ltd. | -4.38M | -33.7% | $703.48M | 1.24% |
| BKNG Booking Holdings Inc. | -3.31M | -47.6% | $588.53M | 0.58% |
| MPC Marathon Petroleum Corp | -2.13M | -37.8% | $549.82M | 0.81% |
| PPL PPL Corp | -12.65M | -99.9% | $459.72M | <0.01% |
| SCHW Schwab Charles Corp | -4.49M | -81.8% | $414.09M | 0.082% |
| SYY Sysco Corp | -4.39M | -41.5% | $367.07M | 0.463% |
| CSCO Cisco Systems, Inc. | -3.00M | -83.0% | $352.57M | 0.065% |
| Holding | Shares | Trade Value | Weight |
|---|---|---|---|
| TPR Tapestry, Inc. | +3.55M | $518.09M | 0.463% |
| HONA Honeywell Aerospace Inc. | +1.71M | $376.66M | 0.337% |
| SPGI S&P Global Inc. | +818.3K | $334.90M | 0.3% |
| WHD Cactus, Inc. | +4.59M | $235.23M | 0.21% |
| SIRI Sirius Xm Holdings Inc. | +5.08M | $150.17M | 0.134% |
| CHE Chemed Corp | +280.7K | $130.75M | 0.117% |
| GMED Globus Medical Inc | +1.55M | $122.85M | 0.11% |
| MRSH Marsh & Mclennan Companies, Inc. | +457.8K | $76.36M | 0.068% |
| LNG Cheniere Energy, Inc. | +273.4K | $65.34M | 0.058% |
| DCI DONALDSON Co INC | +672.0K | $60.32M | 0.054% |
| Holding | Shares Sold | Trade Value | Prior Weight |
|---|---|---|---|
| CPRT Copart Inc | -3.20M | $106.38M | 0.113% |
| MBC MasterBrand, Inc. | -6.73M | $55.90M | 0.059% |
| PFSI PennyMac Financial Services, Inc. | -362.1K | $31.80M | 0.034% |
| OII Oceaneering International Inc | -854.9K | $30.34M | 0.032% |
| NATL NCR Atleos Corp | -521.0K | $22.71M | 0.024% |
| ASH Ashland Inc. | -405.7K | $22.51M | 0.024% |
| PRMB Primo Brands Corp | -1.14M | $21.47M | 0.023% |
| HBM Hudbay Minerals Inc. | -595.4K | $17.35M | 0.018% |
| EFOR Everforth Inc | -390.0K | $15.12M | 0.016% |
| CNXC Concentrix Corp | -538.5K | $14.72M | 0.016% |
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | AMZN Amazon Com Inc | Consumer Discretionary | 12.86M | $3.07B | 2.75% | +7.41M | +136.0% | Added | 0.12% |
| 2 | JPM Jpmorgan Chase & Co | Financial Services | 7.36M | $2.42B | 2.16% | +307.3K | +4.4% | Added | 0.27% |
| 3 | USFD US Foods Holding Corp. | Consumer Staples | 18.61M | $1.90B | 1.7% | +2.21M | +13.5% | Added | 8.5% |
| 4 | AMAT Applied Materials Inc | Technology | 2.64M | $1.89B | 1.69% | -92.0K | -3.4% | Reduced | 0.33% |
| 5 | FLEX Flex Ltd. | Technology | 8.62M | $1.38B | 1.24% | -4.38M | -33.7% | Reduced | 2.33% |
| 6 | COR Cencora, Inc. | Healthcare | 4.87M | $1.38B | 1.23% | +386.0K | +8.6% | Added | 2.52% |
| 7 | CRH Crh Public Ltd Co | Basic Materials | 12.92M | $1.38B | 1.23% | +3.91M | +43.4% | Added | 1.94% |
| 8 | MU Micron Technology Inc | Technology | 1.20M | $1.38B | 1.23% | -1.60M | -57.1% | Reduced | 0.11% |
| 9 | DELL Dell Technologies Inc. | Technology | 3.17M | $1.37B | 1.23% | -619.6K | -16.3% | Reduced | 0.98% |
| 10 | MCHP Microchip Technology Inc | Technology | 14.52M | $1.32B | 1.18% | -224.9K | -1.5% | Reduced | 2.67% |
| 11 | LPLA LPL Financial Holdings Inc. | Financial Services | 4.25M | $1.20B | 1.08% | +119.3K | +2.9% | Added | 5.33% |
| 12 | ABBV AbbVie Inc. | Healthcare | 4.78M | $1.20B | 1.08% | +1.35M | +39.3% | Added | 0.27% |
| 13 | NXPI NXP Semiconductors N.V. | Technology | 4.16M | $1.17B | 1.05% | +1.02M | +32.5% | Added | 1.65% |
| 14 | PM Philip Morris International Inc. | Consumer Staples | 6.10M | $1.10B | 0.985% | +319.1K | +5.5% | Added | 0.39% |
| 15 | FANG Diamondback Energy, Inc. | Energy | 5.85M | $1.03B | 0.923% | +83.1K | +1.4% | Added | 2.08% |
Tip. Select a row to see that position’s full history at Boston Partners.
As of its Q2 2026 13F filing, Boston Partners’s five largest positions were Amazon Com Inc (AMZN) at 2.7%, Jpmorgan Chase & Co (JPM) at 2.2%, US Foods Holding Corp. (USFD) at 1.7%, Applied Materials Inc (AMAT) at 1.7%, Flex Ltd. (FLEX) at 1.2% of the reported portfolio.
Boston Partners reported a 13F portfolio worth $111.80B across 756 positions for Q2 2026. That is up 18.3% from the previous quarter.
Its largest purchases by value were Amazon Com Inc ($1.77B), Southern Co ($587.15M), Tapestry, Inc. ($518.09M). It opened 88 new positions.
Its largest sales by value were Micron Technology Inc ($1.83B), Marvell Technology, Inc. ($1.30B), Keysight Technologies, Inc. ($869.54M). It exited 57 positions entirely.
From the Form 13F-HR reports Boston Partners files with the SEC each quarter, within 45 days of quarter end. A 13F lists long positions in US-listed equities and options; it excludes short positions, cash, bonds and most non-US holdings.
13F data reflects long positions in US-listed equities and options as reported to the SEC up to 45 days after quarter end. It excludes short positions, cash, bonds and most non-US securities, so it is not a complete picture of a manager’s assets.