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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
FRPT icon
801
Freshpet
FRPT
$3.07B
– –
-14,971
Closed -$912K
GFF icon
802
Griffon
GFF
$4.29B
– –
-363,381
Closed -$27.6M
GO icon
803
Grocery Outlet
GO
$988M
– –
-183,998
Closed -$1.86M
B
804
Barrick Mining
B
$64B
– –
-67,593
Closed -$2.94M
HRB icon
805
H&R Block
HRB
$5.84B
– –
-3,065,070
Closed -$134M
IBP icon
806
Installed Building Products
IBP
$6.41B
– –
-61,001
Closed -$16.1M
ICFI icon
807
ICF International
ICFI
$1.56B
– –
-3,244
Closed -$277K
IDA icon
808
Idacorp
IDA
$8.36B
– –
-19,111
Closed -$2.42M
IJJ icon
809
iShares S&P Mid-Cap 400 Value ETF
IJJ
$9.03B
– –
-3,431
Closed -$451K
INGR icon
810
Ingredion
INGR
$6.6B
– –
-347,903
Closed -$38.5M
IVE icon
811
iShares S&P 500 Value ETF
IVE
$49.8B
– –
-3,707
Closed -$786K
JBI icon
812
Janus International
JBI
$771M
– –
-2,458,546
Closed -$16.3M
JDVI icon
813
John Hancock Disciplined Value International Select ETF
JDVI
$752M
– –
-412,154
Closed -$14.5M
JFIN
814
Jiayin Group
JFIN
$123M
– –
-36,167
Closed -$210K
KD icon
815
Kyndryl
KD
$3.24B
– –
-234,859
Closed -$6.24M
KGS icon
816
Kodiak Gas Services
KGS
$6.01B
– –
-50,297
Closed -$1.88M
KTB icon
817
Kontoor Brands
KTB
$4.61B
– –
-528,673
Closed -$32.2M
KW
818
DELISTED
Kennedy-Wilson Holdings
KW
– –
-78,451
Closed -$759K
LCII icon
819
LCI Industries
LCII
$2.6B
– –
-276,188
Closed -$34M
LULU icon
820
lululemon athletica
LULU
$14B
– –
-1,466,961
Closed -$305M
LW icon
821
Lamb Weston
LW
$7.31B
– –
-2,042,216
Closed -$85.5M
MD icon
822
Pediatrix Medical
MD
$2.03B
– –
-797,702
Closed -$17.2M
MOD icon
823
Modine Manufacturing
MOD
$10.7B
– –
-170,380
Closed -$22.6M
MOH icon
824
Molina Healthcare
MOH
$9.99B
– –
-44,263
Closed -$7.68M
NSC icon
825
Norfolk Southern
NSC
$76.7B
– –
-2,707
Closed -$781K
31 32
33
34 35

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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.