Boston Partners·13F Holdings
- Positions
- 347
- Top-10 weight
- 18%
- Largest
- AMZN · 3.2%
- Quarter ending
- Jun 30, 2026
- Added
- 243
- Trimmed
- 102
- Sold out
- 16
- Last filed
- Aug 4, 2026
Portfolio
What does Boston Partners own?
Boston Partners reported 347 long equity positions worth $97.3B for the quarter ending Jun 30, 2026. The largest is AMZN at 3.2% of reported value. The ten largest positions make up 18% of the portfolio. Against the prior quarter it added to 243 positions, trimmed 102 and sold out of 16. The latest 13F was filed Aug 4, 2026.
Largest positionsValue · weight
- AMZNAmazon.com, Inc.$3.1B3.2% of portfolio
- JPMJPMorgan Chase & Co.$2.4B2.5% of portfolio
- USFDUS Foods Holding Corp.$1.9B2.0% of portfolio
- AMATApplied Materials, Inc.$1.9B1.9% of portfolio
- FLEXFlex Ltd.$1.4B1.4% of portfolio
- CORCencora, Inc.$1.4B1.4% of portfolio
- CRHCRH PLC$1.4B1.4% of portfolio
- MUMicron Technology, Inc.$1.4B1.4% of portfolio
- DELLDell Technologies Inc.$1.4B1.4% of portfolio
- MCHPMicrochip Technology Incorporated$1.3B1.4% of portfolio
Sector tilt
Which sectors does Boston Partners lean on?
Technology (16%) and Financial Services (16%) are the two largest sectors by reported value.
By share of reported value, across 347 classified tickers.
Quarter changes
What did Boston Partners buy and sell last quarter?
Largest additions last quarterEst. value
Ownership stakes
Where is Boston Partners a major shareholder?
By shares outstanding, Boston Partners owns 8.4% of US Foods Holding Corp., 5.6% of Zebra Technologies Corporation, 5.4% of Tenet Healthcare Corporation and 5.4% of Allegion plc.
Reported value
How has Boston Partners's 13F value moved?
Reported value went from $81.5B to $97.3B over 4 quarters. It moves with prices and with buying and selling, so it is not a fund return.
Latest 13F
What Boston Partners changed in its latest 13F
| Company | Change | Shares vs prior | Est. value | Filed |
|---|---|---|---|---|
| Micron Technology, Inc. MU | -57% | $1.8B | Aug 4, 2026 | |
| Amazon.com, Inc. AMZN | +136% | $1.8B | Aug 4, 2026 | |
| Marvell Technology Inc. MRVL | -72% | $1.3B | Aug 4, 2026 | |
| Keysight Technologies, Inc. KEYS | -88% | $869.5M | Aug 4, 2026 | |
| Flex Ltd. FLEX | -34% | $703.5M | Aug 4, 2026 | |
| Booking Holdings Inc. BKNG | -48% | $588.5M | Aug 4, 2026 | |
| The Southern Company SO | +15069% | $587.2M | Aug 4, 2026 | |
| Marathon Petroleum Corporation MPC | -38% | $549.8M | Aug 4, 2026 | |
| Tapestry, Inc. TPR | New | $518.1M | Aug 4, 2026 | |
| NVIDIA Corporation NVDA | +137% | $461.9M | Aug 4, 2026 | |
| PPL Corporation PPL | -100% | $459.7M | Aug 4, 2026 | |
| CRH PLC CRH | +43% | $418.0M | Aug 4, 2026 | |
| The Charles Schwab Corporation SCHW | -82% | $414.1M | Aug 4, 2026 | |
| Honeywell International Inc. HON | New | $382.8M | Aug 4, 2026 | |
| Sysco Corporation SYY | -42% | $367.1M | Aug 4, 2026 |
