Boston Partners
Long book
$95.47B
Q1 2026
Positions
767
Top-10 weight
14%
concentration
Last quarter
+13.9%
SPY +14.8%
Turnover
23%
of book per quarter
Strategy in plain words
auto-generated from filingsBoston Partners is an institutional manager, running a $95.47B US long book across 767 positions.
The portfolio is broadly diversified across 767 positions (top 10 only 14%). Turnover is modest: positions are typically held for years. Current anchor positions: JPMORGAN CHASE & CO, US FOODS HOLDING CORP, CENCORA INC, MARATHON PETROLEUM CORP, LPL FINANCIAL HOLDINGS INC.
Over the last 9 quarters its long book ran on average 0.8pp per quarter behind the S&P 500, beating the index in 3 of 9 quarters. Signal value of individual moves is limited — treat changes as weak evidence.
Implied long-book return vs S&P 500
methodology: positions priced quarterly, no shorts/options Fund long book S&P 500
Q1 2024
-2.7%
Q2 2024
+7.2%
Q3 2024
-2.0%
Q4 2024
-0.7%
Q1 2025
+7.0%
Q2 2025
+6.8%
Q3 2025
+2.1%
Q4 2025
+1.3%
Q1 2026
+13.9%
Sector allocation
Financials 20%
Industrials 15%
Technology 15%
Consumer discretionary 11%
Healthcare 8%
Energy 8%
Services media 7%
Utilities 4%
Long book by quarter
What does Boston Partners own?
Q1 2026 13F| Company | Sector | Shares | Value | % of book | Change |
|---|---|---|---|---|---|
| JPM JPMORGAN CHASE & CO | Financials | 7.1M | $2.08B | 2.2% | -2.5% |
| USFD US FOODS HOLDING CORP | Consumer discretionary | 16.4M | $1.51B | 1.6% | +1.2% |
| COR CENCORA INC | Consumer discretionary | 4.5M | $1.41B | 1.5% | +6.8% |
| MPC MARATHON PETROLEUM CORP | Energy | 5.6M | $1.38B | 1.4% | -7.7% |
| LPLA LPL FINANCIAL HOLDINGS INC | Financials | 4.1M | $1.24B | 1.3% | +16.4% |
| FANG DIAMONDBACK ENERGY INC | Energy | 5.8M | $1.14B | 1.2% | +3.4% |
| AMZN AMAZON.COM INC | Consumer discretionary | 5.4M | $1.14B | 1.2% | +10.0% |
| KGC KINROSS GOLD CORP | Materials | 34.8M | $1.11B | 1.2% | -8.5% |
| MCK MCKESSON CORP | Consumer discretionary | 1.2M | $1.00B | 1.0% | -6.1% |
| MCHP MICROCHIP TECHNOLOGY INC | Technology | 14.7M | $953.4M | 1.0% | -3.0% |
| PM PHILIP MORRIS INTERNATIONAL | Consumer staples | 5.8M | $953.2M | 1.0% | -8.6% |
| MU MICRON TECHNOLOGY INC | Technology | 2.8M | $951.4M | 1.0% | -20.6% |
| CRH CRH PLC | Industrials | 9.0M | $946.3M | 1.0% | +2.9% |
| AMAT APPLIED MATERIALS INC | Technology | 2.7M | $933.6M | 1.0% | -1.7% |
| FE FIRSTENERGY CORP | Utilities | 17.6M | $892.8M | 0.9% | -1.0% |
| COP CONOCOPHILLIPS | Energy | 6.8M | $892.7M | 0.9% | +2.5% |
| META META PLATFORMS INC-CLASS A | Technology | 1.5M | $855.8M | 0.9% | +34.3% |
| FLEX FLEX LTD | Technology | 13.0M | $851.9M | 0.9% | +7.3% |
| WFC WELLS FARGO & CO | Financials | 10.5M | $835.0M | 0.9% | +9.1% |
| DIS WALT DISNEY CO/THE | Services media | 8.5M | $815.7M | 0.9% | +4.7% |
| KEYS KEYSIGHT TECHNOLOGIES IN | Technology | 2.8M | $794.1M | 0.8% | -30.3% |
| DGX QUEST DIAGNOSTICS INC | Healthcare | 4.0M | $786.7M | 0.8% | +2.5% |
| HBAN HUNTINGTON BANCSHARES INC | Financials | 50.2M | $785.1M | 0.8% | -14.8% |
| LHX L3HARRIS TECHNOLOGIES INC | Technology | 2.3M | $782.9M | 0.8% | -5.7% |
| ODFL OLD DOMINION FREIGHT LINE | Industrials | 4.0M | $780.3M | 0.8% | -3.2% |
| GS GOLDMAN SACHS GROUP INC | Financials | 913.5K | $773.5M | 0.8% | +3.6% |
| SYY SYSCO CORP | Consumer discretionary | 10.6M | $754.9M | 0.8% | -1.4% |
| ABBV ABBVIE INC | Healthcare | 3.4M | $746.1M | 0.8% | +1.0% |
| UBER UBER TECHNOLOGIES INC | Services media | 10.3M | $738.2M | 0.8% | +13.1% |
| MS MORGAN STANLEY | Financials | 4.4M | $729.3M | 0.8% | +16.3% |
| THC TENET HEALTHCARE CORP | Healthcare | 3.8M | $723.7M | 0.8% | +5.3% |
| IQV IQVIA HOLDINGS INC | Healthcare | 4.2M | $723.3M | 0.8% | +3.7% |
| HON HONEYWELL INTERNATIONAL INC | Industrials | 3.2M | $718.8M | 0.8% | -6.6% |
| CPAY CORPAY INC | Services media | 2.4M | $704.6M | 0.7% | +31.8% |
| FDX FEDEX CORP | Industrials | 2.0M | $704.0M | 0.7% | -3.2% |
| SLB SLB LTD | Energy | 13.4M | $689.2M | 0.7% | +59.8% |
| ETR ENTERGY CORP | Utilities | 6.1M | $688.6M | 0.7% | -8.0% |
| URI UNITED RENTALS INC | Services media | 915.0K | $666.8M | 0.7% | +18.2% |
| ALLE ALLEGION PLC | Services media | 4.4M | $645.7M | 0.7% | -3.6% |
| RS RELIANCE INC | Consumer discretionary | 2.1M | $641.7M | 0.7% | -3.5% |
| LH LABCORP HOLDINGS INC | Healthcare | 2.4M | $632.4M | 0.7% | +23.8% |
| AON AON PLC-CLASS A | Financials | 2.0M | $631.1M | 0.7% | +19.6% |
| DELL DELL TECHNOLOGIES -C | Technology | 3.8M | $624.5M | 0.7% | -18.5% |
| AXP AMERICAN EXPRESS CO | Financials | 2.1M | $621.7M | 0.7% | -1.3% |
| NXPI NXP SEMICONDUCTORS NV | Technology | 3.1M | $617.9M | 0.6% | +10.4% |
| MRVL MARVELL TECHNOLOGY INC | Technology | 6.2M | $612.6M | 0.6% | New |
| GILD GILEAD SCIENCES INC | Healthcare | 4.3M | $593.1M | 0.6% | +0.8% |
| BKNG BOOKING HOLDINGS INC | Industrials | 278.0K | $575.0M | 0.6% | +188.9% |
| CMI CUMMINS INC | Industrials | 1.1M | $573.6M | 0.6% | -3.2% |
| FTI TECHNIPFMC PLC | Industrials | 8.3M | $572.7M | 0.6% | -14.9% |
13F filing history
| Period | Form | Filed | Entries | Reported value | Flags | Source |
|---|---|---|---|---|---|---|
| Q1 2026 | 13F-HR | May 11, 2026 | 1772 | $95.47B | canonical | SEC ↗ |
| Q4 2025 | 13F-HR | Feb 13, 2026 | 1747 | $96.58B | canonical | SEC ↗ |
| Q3 2025 | 13F-HR | Nov 13, 2025 | 1840 | $97.40B | canonical | SEC ↗ |
| Q2 2025 | 13F-HR/ARESTATEMENT | Aug 12, 2025 | 1708 | $90.05B | canonical | SEC ↗ |
| Q2 2025 | 13F-HR | Aug 7, 2025 | 1708 | $89.46B | SEC ↗ | |
| Q1 2025 | 13F-HR | May 13, 2025 | 1694 | $82.69B | canonical | SEC ↗ |
| Q4 2024 | 13F-HR | Feb 11, 2025 | 1704 | $82.21B | canonical | SEC ↗ |
| Q3 2024 | 13F-HR | Nov 12, 2024 | 1745 | $84.73B | canonical | SEC ↗ |
| Q2 2024 | 13F-HR | Aug 14, 2024 | 1825 | $80.50B | canonical | SEC ↗ |
| Q1 2024 | 13F-HR/ARESTATEMENT | May 28, 2024 | 1879 | $83.95B | canonical | SEC ↗ |
| Q1 2024 | 13F-HR | May 13, 2024 | 1895 | $83.96B | SEC ↗ |
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