13F INSTITUTION · CIK 0001386060 · 2026-Q2 · filed Aug 4, 2026

Boston Partners

BOSTON PARTNERS
$112.6B
13F long value · 2026-Q2
Positions802
CategoryAsset Manager
Quarters tracked8
▲ #100 of 581 by 13F value
Size rank 9/10
34 NEW77 ADD41 2×+87 TRIM28 NEAR EXIT12 EXIT
Snapshot
Boston Partners's 13F portfolio at a glance — size, concentration and this quarter's activity.
13F value (AUM)
$112.6B
Positions
802 (60 unmapped)
Top 100 weight
68.3%
Quarters tracked
8
Latest 13F filed
Aug 4, 2026
New positions
34
Exits / near-exits
40
13F value by quarter
Total reported long value each quarter — fund flows plus market moves.
$84.7B
2024-Q3
$82.2B
2024-Q4
$82.7B
2025-Q1
$90.0B
2025-Q2
$97.4B
2025-Q3
$96.6B
2025-Q4
$95.5B
2026-Q1
$112.6B
2026-Q2
Top holdings — 2026-Q2
The fund's largest reported positions. The 100 shown cover 68.3% of the portfolio.
TickerIssuerWeightValueSharesSince 2026-Q2
AMZN AMAZON COM INC2.7%$3.1B12.9M+3.9%
JPM JPMORGAN CHASE & CO2.1%$2.4B7.4M+1.5%
USFD US FOODS HLDG CORP1.7%$1.9B18.6M-11.0%
AMAT APPLIED MATLS INC1.7%$1.9B2.6M-43.4%
— FLEX LTD1.2%$1.4B8.6M—
COR CENCORA INC1.2%$1.4B4.9M+9.4%
— CRH PLC1.2%$1.4B12.9M—
MU MICRON TECHNOLOGY INC1.2%$1.4B1.2M-54.1%
DELL DELL TECHNOLOGIES INC1.2%$1.4B3.2M-50.1%
MCHP MICROCHIP TECHNOLOGY INC.1.2%$1.3B14.5M-4.6%
LPLA LPL FINL HLDGS INC1.1%$1.2B4.3M+16.8%
ABBV ABBVIE INC1.1%$1.2B4.8M+3.4%
— NXP SEMICONDUCTORS N V1.0%$1.2B4.2M—
PM PHILIP MORRIS INTL INC1.0%$1.1B6.1M+4.2%
FANG DIAMONDBACK ENERGY INC0.9%$1.0B5.9M+11.4%
Quarterly changes — 2026-Q2
What Boston Partners opened, added, trimmed and exited this quarter, largest dollar moves first.
ActionTickerIssuerPrev sharesCurr sharesChangeValue Δ
2×+AMZNAMAZON COM INC5.4M12.9M+136.0%+$1.9B
NEAR EXITKEYSKEYSIGHT TECHNOLOGIES INC2.8M325.2K-88.4%-$680.3M
2×+SOSOUTHERN CO40.7K6.2M+15069.1%+$587.1M
ADD—NXP SEMICONDUCTORS N V3.1M4.2M+32.5%+$552.6M
TRIM—FLEX LTD13.0M8.6M-33.7%+$532.5M
NEWTPRTAPESTRY INC—3.6M—+$518.1M
2×+NVDANVIDIA CORPORATION1.7M4.0M+137.3%+$505.7M
NEAR EXITPPLPPL CORP12.7M6.4K-99.9%-$483.5M
TRIMMPCMARATHON PETE CORP5.6M3.5M-37.8%-$473.1M
ADDABBVABBVIE INC3.4M4.8M+39.3%+$456.4M
Conviction over time
Portfolio weight of the current top long holdings, quarter by quarter — rising weight = growing conviction.
AMZN 2.7%
JPM 2.1%
USFD 1.7%
AMAT 1.7%
COR 1.2%
MU 1.2%
DELL 1.2%
MCHP 1.2%