Boston Partners — 13F Holdings & Portfolio
CIK 1386060 · latest 13F-HR filed 2026-05-11
Boston Partners manages $95.47B in 13F-reported U.S. long-equity assets across 1,772 reported positions as of its 2026-03-31 13F-HR filing. Its largest disclosed positions are JPM (1.38%), USFD (1.18%), COR (1.07%). Quarter over quarter (versus its 2025-12-31 filing) the fund opened 106 new positions, exited 92, added to 279, and trimmed 266.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
$95.47B
Long-equity book
1,772
Distinct positions
2026-03-31
Filed 2026-05-11
+106 / −92 / ↑279 / ↓266
vs 2025-12-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- VISA INC$412.1M +258.4%
- MARATHON PETE CORP$381.0M +38.2%
- SLB LIMITED$364.7M +112.4%
- DIAMONDBACK ENERGY INC$301.3M +35.9%
- NVIDIA CORPORATION$291.7M +31857.1%
Top Trims
- UNITEDHEALTH GROUP INC-$549.5M -89.9%
- MEDTRONIC PLC-$471.4M -72.8%
- AUTOZONE INC-$343.6M -42.7%
- NOVO-NORDISK A S-$270.2M -98.1%
- SS&C TECH HLDGS-$258.2M -68.9%
New Positions
- MARVELL TECHNOLOGY INC$612.6M
- ASTRAZENECA PLC$413.4M
- MCCORMICK & CO INC$222.2M
- DOMINOS PIZZA INC$210.7M
- ARCH CAP GROUP LTD$200.9M
Exited Positions
- ASTRAZENECA PLC$389.4M
- CARLYLE GROUP INC$327.2M
- LULULEMON ATHLETICA INC$304.9M
- EMERSON ELEC CO$244.6M
- BLUE OWL CAPITAL INC$211.3M
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | JPMORGAN CHASE & CO | JPM | 46625H100 | $1.32B | 1.38% | 4,475,112 | SH |
| 2 | US FOODS HLDG CORP | USFD | 912008109 | $1.13B | 1.18% | 12,218,684 | SH |
| 3 | CENCORA INC | COR | 03073E105 | $1.02B | 1.07% | 3,246,438 | SH |
| 4 | MARATHON PETE CORP | MPC | 56585A102 | $1.01B | 1.06% | 4,137,715 | SH |
| 5 | LPL FINL HLDGS INC | LPLA | 50212V100 | $920.9M | 0.96% | 3,064,115 | SH |
| 6 | DIAMONDBACK ENERGY INC | FANG | 25278X109 | $794.3M | 0.83% | 4,020,175 | SH |
| 7 | KINROSS GOLD CORP | KGC | 496902404 | $787.0M | 0.82% | 24,503,599 | SH |
| 8 | AMAZON COM INC | AMZN | 023135106 | $771.7M | 0.81% | 3,702,634 | SH |
| 9 | MCKESSON CORP | MCK | 58155Q103 | $719.5M | 0.75% | 830,299 | SH |
| 10 | PHILIP MORRIS INTL INC | PM | 718172109 | $717.4M | 0.75% | 4,354,441 | SH |
| 11 | MICROCHIP TECHNOLOGY INC. | MCHP | 595017104 | $697.7M | 0.73% | 10,790,820 | SH |
| 12 | FIRSTENERGY CORP | FE | 337932107 | $646.4M | 0.68% | 12,749,066 | SH |
| 13 | KEYSIGHT TECHNOLOGIES INC | KEYS | 49338L103 | $637.2M | 0.67% | 2,253,902 | SH |
| 14 | MICRON TECHNOLOGY INC | MU | 595112103 | $634.0M | 0.66% | 1,863,382 | SH |
| 15 | L3HARRIS TECHNOLOGIES INC | LHX | 502431109 | $632.5M | 0.66% | 1,829,544 | SH |
| 16 | OLD DOMINION FREIGHT LINE IN | ODFL | 679580100 | $622.5M | 0.65% | 3,184,222 | SH |
| 17 | APPLIED MATLS INC | AMAT | 038222105 | $615.8M | 0.64% | 1,798,625 | SH |
| 18 | CRH PLC | CRH | G25508105 | $613.4M | 0.64% | 5,837,611 | SH |
| 19 | QUEST DIAGNOSTICS INC | DGX | 74834L100 | $596.5M | 0.62% | 3,042,226 | SH |
| 20 | FLEXTRONICS INTL LTD | FLEX | Y2573F102 | $592.9M | 0.62% | 9,036,563 | SH |
| 21 | HUNTINGTON BANCSHARES INC | HBAN | 446150104 | $553.8M | 0.58% | 35,370,059 | SH |
| 22 | SYSCO CORP | SYY | 871829107 | $552.1M | 0.58% | 7,741,607 | SH |
| 23 | META PLATFORMS INC | META | 30303M102 | $539.7M | 0.57% | 942,944 | SH |
| 24 | TENET HEALTHCARE CORP | THC | 88033G407 | $537.3M | 0.56% | 2,847,268 | SH |
| 25 | WELLS FARGO & CO | WFC | 949746101 | $530.5M | 0.56% | 6,657,208 | SH |
| 26 | HONEYWELL INTL INC | HON | 438516106 | $529.1M | 0.55% | 2,337,780 | SH |
| 27 | TECHNIPFMC PLC | FTI | G87110105 | $521.3M | 0.55% | 7,539,992 | SH |
| 28 | CONOCOPHILLIPS | COP | 20825C104 | $518.8M | 0.54% | 3,933,761 | SH |
| 29 | IQVIA HLDGS INC | IQV | 46266C105 | $516.2M | 0.54% | 3,024,682 | SH |
| 30 | ENTERGY CORP NEW | ETR | 29364G103 | $514.0M | 0.54% | 4,569,125 | SH |
| 31 | RELIANCE INC | RS | 759509102 | $513.5M | 0.54% | 1,689,305 | SH |
| 32 | MORGAN STANLEY | MS | 617446448 | $503.1M | 0.53% | 3,054,942 | SH |
| 33 | ALLEGION PLC | ALLE | G0176J109 | $502.6M | 0.53% | 3,462,198 | SH |
| 34 | UBER TECHNOLOGIES INC | UBER | 90353T100 | $488.2M | 0.51% | 6,787,345 | SH |
| 35 | DISNEY WALT CO | DIS | 254687106 | $479.8M | 0.50% | 4,977,341 | SH |
| 36 | AMERIPRISE FINL INC | AMP | 03076C106 | $475.9M | 0.50% | 1,070,948 | SH |
| 37 | CORPAY INC | CPAY | 219948106 | $464.5M | 0.49% | 1,595,461 | SH |
| 38 | GOLDMAN SACHS GROUP INC | GS | 38141G104 | $461.8M | 0.48% | 545,048 | SH |
| 39 | MARVELL TECHNOLOGY INC | MRVL | 573874104 | $456.8M | 0.48% | 4,593,068 | SH |
| 40 | FEDEX CORP | FDX | 31428X106 | $434.8M | 0.46% | 1,219,274 | SH |
| 41 | SLB LIMITED | SLB | 806857108 | $429.9M | 0.45% | 8,380,823 | SH |
| 42 | ABBVIE INC | ABBV | 00287Y109 | $426.0M | 0.45% | 1,962,507 | SH |
| 43 | AUTOZONE INC | AZO | 053332102 | $425.7M | 0.45% | 125,902 | SH |
| 44 | NXP SEMICONDUCTORS N V | NXPI | N6596X109 | $423.9M | 0.44% | 2,155,514 | SH |
| 45 | AMERICAN EXPRESS CO | AXP | 025816109 | $422.8M | 0.44% | 1,398,808 | SH |
| 46 | LABCORP HOLDINGS INC | LH | 504922105 | $420.4M | 0.44% | 1,574,094 | SH |
| 47 | DELL TECHNOLOGIES INC | DELL | 24703L202 | $408.4M | 0.43% | 2,475,563 | SH |
| 48 | UNITED RENTALS INC | URI | 911363109 | $404.9M | 0.42% | 555,552 | SH |
| 49 | GILEAD SCIENCES INC | GILD | 375558103 | $397.4M | 0.42% | 2,851,109 | SH |
| 50 | SIMON PPTY GROUP INC NEW | SPG | 828806109 | $397.0M | 0.42% | 2,128,488 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-03-31 | 2026-05-11 | $95.47B | 1,772 | 0001386060-26-000017 |
| 2025-12-31 | 2026-02-13 | $96.58B | 1,747 | 0001386060-26-000014 |
| 2025-09-30 | 2025-11-13 | $97.40B | 1,840 | 0001386060-25-000020 |