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Boston Partners

Boston Partners Portfolio holdings

AUM $113B
1-Year Est. Return 38.87%
This Fund
S&P 500
This Quarter Est. Return
+4.08%
1 Year Est. Return
+38.87%
3 Year Est. Return
+108.29%
5 Year Est. Return
+142.95%
10 Year Est. Return
+500.61%
AUM
$95.5B
AUM Growth
-$1.12B
Cap. Flow
-$1.59B
Cap. Flow %
-1.66%
Top 10 Hldgs %
13.57%
Holding
857
New
106
Increased
293
Reduced
358
Closed
90

Top Buys

Rank Stock Value
1
BKNG icon
Booking.com
BKNG
+$836M
2
MRVL icon
Marvell Technology
MRVL
+$518M
3
V icon
Visa
V
+$461M
4
NVDA icon
NVIDIA
NVDA
+$307M
5
MKC icon
McCormick & Company Non-Voting
MKC
+$281M

Top Sells

Rank Stock Value
1
UNH icon
UnitedHealth
UNH
+$483M
2
MDT icon
Medtronic
MDT
+$451M
3
AZO icon
AutoZone
AZO
+$361M
4
CG icon
Carlyle Group
CG
+$327M
5
KEYS icon
Keysight
KEYS
+$306M

Sector Composition

Rank Sector Weight
1 Financials 19.21%
2 Technology 16.01%
3 Industrials 14.55%
4 Healthcare 11.39%
5 Consumer Discretionary 9.15%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
EMN icon
226
Eastman Chemical
EMN
$8.35B
$82.1M 0.09%
+1,076,793
New +$77.6M
TEL icon
227
TE Connectivity
TEL
$63.6B
$80.4M 0.08%
384,415
-173,796
-31% -$38.4M
SHEL icon
228
Shell
SHEL
$247B
$77.7M 0.08%
835,508
+64,434
+8% +$5.21M
MRK icon
229
Merck
MRK
$317B
$77.5M 0.08%
641,766
-26,956
-4% -$3.11M
HCA icon
230
HCA Healthcare
HCA
$87B
$75.3M 0.08%
159,123
-40,648
-20% -$20.5M
KT icon
231
KT
KT
$8.77B
$74.7M 0.08%
3,482,659
-1,591,380
-31% -$34.2M
BGC icon
232
BGC Group
BGC
$5.29B
$71.4M 0.07%
7,285,941
-1,466,030
-17% -$13.6M
KDP icon
233
Keurig Dr Pepper
KDP
$41.9B
$70.2M 0.07%
2,667,441
-108,875
-4% -$3.05M
SNEX icon
234
StoneX
SNEX
$9.35B
$68.2M 0.07%
1,259,598
-73,831
-6% -$3.73M
XOM icon
235
ExxonMobil
XOM
$631B
$67M 0.07%
394,898
-21,523
-5% -$3.14M
OPCH icon
236
Option Care Health
OPCH
$3.5B
$65.6M 0.07%
2,431,467
+980,361
+68% +$31.8M
HAL icon
237
Halliburton
HAL
$26.8B
$64.7M 0.07%
1,659,692
-177,698
-10% -$6.15M
LOPE icon
238
Grand Canyon Education
LOPE
$3.93B
$63.2M 0.07%
371,415
+31,657
+9% +$5.31M
BKV
239
BKV Corp
BKV
$2.51B
$62.9M 0.07%
2,207,185
+140,580
+7% +$4.07M
UNH icon
240
UnitedHealth
UNH
$372B
$62.1M 0.07%
229,287
-1,622,340
-88% -$483M
PEGA icon
241
Pegasystems
PEGA
$5.19B
$62M 0.06%
1,456,684
+1,270,660
+683% +$59M
GVA icon
242
Granite Construction
GVA
$5.44B
$61.4M 0.06%
510,851
-27,088
-5% -$3.38M
DD icon
243
DuPont de Nemours
DD
$19.6B
$60.1M 0.06%
437,601
-210,893
-33% -$29.1M
ACN icon
244
Accenture
ACN
$104B
$59.3M 0.06%
299,163
-12,448
-4% -$2.9M
IWB icon
245
iShares Russell 1000 ETF
IWB
$50.1B
$59M 0.06%
+309
New +$115K
OMC icon
246
Omnicom Group
OMC
$22.6B
$58.9M 0.06%
782,689
-41,218
-5% -$3.2M
SAIC icon
247
Saic
SAIC
$5.09B
$58.7M 0.06%
617,868
-25,587
-4% -$2.51M
LFUS icon
248
Littelfuse
LFUS
$11.8B
$57.1M 0.06%
168,096
+34,752
+26% +$11.3M
CARG icon
249
CarGurus
CARG
$3.31B
$56.1M 0.06%
1,653,501
+292,735
+22% +$9.58M
MGNI icon
250
Magnite
MGNI
$3.02B
$56.1M 0.06%
4,719,863
+610,970
+15% +$8.19M
8 9
10
11 12

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Boston Partners's Q1 2026 Portfolio in Review

As of Q1 2026, Boston Partners held 857 positions worth $95.5B, down 1.2% from $96.6B the previous quarter. Its ten largest holdings account for 14% of the portfolio.

Boston Partners's Q1 2026 filing shows 106 new, 293 increased, 358 reduced and 90 closed positions. Its largest new stake was Marvell Technology: 6,165,682 shares worth $613M. The largest sale was UnitedHealth, an estimated $483M.

By sector, the portfolio is most concentrated in Financials at 19% of assets, down from 21% a quarter earlier, followed by Technology and Industrials.

  • Boston Partners's largest Q1 2026 buy was Marvell Technology: 6,165,682 shares worth $613M.
  • Boston Partners added most to Booking.com in Q1 2026, an estimated $836M increase.
  • Boston Partners's biggest Q1 2026 reduction was UnitedHealth, cutting an estimated $483M.
  • Boston Partners fully exited Carlyle Group in Q1 2026, selling an estimated $327M.
  • Boston Partners's ten largest holdings make up 14% of its $95.5B portfolio in Q1 2026.
  • Boston Partners opened 106 new positions and closed 90 in Q1 2026.
  • Boston Partners's portfolio value fell 1.2% quarter-over-quarter to $95.5B.

Based on Boston Partners's 13F filing for Q1 2026, filed 11 May 2026.