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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
+19.19%
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
$113B
AUM Growth
+$17.1B
Cap. Flow
+$4.49B
Cap. Flow %
3.99%
Top 10 Hldgs %
15.54%
Holding
864
New
97
Increased
407
Reduced
285
Closed
63
Avg Time Held
12.8 quarters
Top 10 Avg Time Held
4.9 quarters
Top 20 Avg Time Held
4.7 quarters

Top Buys

Rank Stock Value
1
AMZN icon
Amazon
AMZN
+$1.86B
2
SO icon
Southern Company
SO
+$577M
3
TPR icon
Tapestry
TPR
+$509M
4
NVDA icon
NVIDIA
NVDA
+$473M
5
CRH icon
CRH
CRH
+$430M

Top Sells

Rank Stock Value
1
MU icon
Micron Technology
MU
+$1.2B
2
MRVL icon
Marvell Technology
MRVL
+$885M
3
KEYS icon
Keysight
KEYS
+$847M
4
BKNG icon
Booking.com
BKNG
+$564M
5
FLEX icon
Flex
FLEX
+$531M

Sector Composition

Rank Sector Weight
1 Financials 19.29%
2 Technology 17.47%
3 Industrials 14.15%
4 Healthcare 11.96%
5 Consumer Discretionary 10.18%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow Held Since
NBN icon
301
Northeast Bank
NBN
$1.08B
$41.6M 0.04%
315,256
-5,612
-2% -$694K
2013 Q2
52 quarters
RHI icon
302
Robert Half
RHI
$3.47B
$41.4M 0.04%
1,333,266
+19,823
+2% +$555K
2013 Q2
52 quarters
OPCH icon
303
Option Care Health
OPCH
$4.65B
$41M 0.04%
1,952,275
-479,192
-20% -$11.1M
2025 Q1
5 quarters
GRDN icon
304
Guardian Pharmacy Services
GRDN
$2.61B
$40.8M 0.04%
983,868
-33,815
-3% -$1.31M
2025 Q2
4 quarters
PWP icon
305
Perella Weinberg Partners
PWP
$1.21B
$40.6M 0.04%
2,543,113
+559,269
+28% +$10.2M
2021 Q2
20 quarters
PEGA icon
306
Pegasystems
PEGA
$5.86B
$40.4M 0.04%
1,347,755
-108,929
-7% -$3.9M
2025 Q2
4 quarters
FBP icon
307
First Bancorp
FBP
$4.07B
$40.1M 0.04%
1,538,998
-275,963
-15% -$6.64M
2022 Q3
15 quarters
HOMB icon
308
Home BancShares
HOMB
$5.65B
$40M 0.04%
1,398,058
+64,372
+5% +$1.75M
2024 Q4
6 quarters
MTCH icon
309
Match Group
MTCH
$9.43B
$39.9M 0.04%
1,048,269
-25,490
-2% -$903K
2023 Q3
11 quarters
CTSH icon
310
Cognizant
CTSH
$26.7B
$39.8M 0.04%
1,026,196
-878,815
-46% -$46.3M
2014 Q4
46 quarters
FBNC icon
311
First Bancorp
FBNC
$2.45B
$39.4M 0.04%
615,754
+22,429
+4% +$1.33M
2026 Q1
1 quarter
CENX icon
312
Century Aluminum
CENX
$3.64B
$39.3M 0.03%
854,095
+544,199
+176% +$32.7M
2025 Q1
5 quarters
AGO icon
313
Assured Guaranty
AGO
$3.08B
$39.2M 0.03%
486,458
-89,432
-16% -$7.06M
2015 Q2
44 quarters
DIOD icon
314
Diodes
DIOD
$4.37B
$38.6M 0.03%
357,679
+14,648
+4% +$1.49M
2024 Q3
7 quarters
TMHC icon
315
DELISTED
Taylor Morrison
TMHC
$38.5M 0.03%
535,801
+20,559
+4% +$1.31M
2024 Q1
9 quarters
CRM icon
316
Salesforce
CRM
$189B
$37.8M 0.03%
240,943
+224,453
+1,361% +$39.5M
2025 Q2
4 quarters
EAT icon
317
Brinker International
EAT
$8.12B
$37.3M 0.03%
+219,681
New +$32.5M
2026 Q2
0 quarters
FIS icon
318
Fidelity National Information Services
FIS
$17.6B
$37.1M 0.03%
952,755
+222,600
+30% +$9.63M
2014 Q1
49 quarters
RYAAY icon
319
Ryanair
RYAAY
$28.1B
$36.3M 0.03%
561,287
+17,982
+3% +$1.06M
2022 Q3
15 quarters
ESAB icon
320
ESAB
ESAB
$4.16B
$36M 0.03%
368,180
+137,981
+60% +$13.3M
2025 Q4
2 quarters
GPI icon
321
Group 1 Automotive
GPI
$2.77B
$35M 0.03%
119,580
+3,465
+3% +$1.14M
2023 Q3
11 quarters
AZZ icon
322
AZZ Inc
AZZ
$4.11B
$34.3M 0.03%
222,294
+7,088
+3% +$1.01M
2024 Q2
8 quarters
VECO icon
323
Veeco
VECO
$3.2B
$34.1M 0.03%
460,965
+29,047
+7% +$1.66M
2026 Q1
1 quarter
CTKB icon
324
Cytek Biosciences
CTKB
$706M
$33.9M 0.03%
7,660,943
+1,858,170
+32% +$7.93M
2025 Q3
3 quarters
LEA icon
325
Lear
LEA
$5.82B
$33.7M 0.03%
251,187
+12,365
+5% +$1.66M
2025 Q2
4 quarters
11 12
13
14 15

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Boston Partners's Q2 2026 Portfolio in Review

As of Q2 2026, Boston Partners held 864 positions worth $113B, up 18% from $95.5B the previous quarter. Its ten largest holdings account for 16% of the portfolio.

Boston Partners deployed $4.49B of net new capital in Q2 2026, opening 97 new positions and adding to 407 existing holdings. Its largest new stake was Tapestry: 3,551,183 shares worth $518M.

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

On the sell side, the largest reduction was Micron Technology, an estimated $1.2B trimmed.

  • Boston Partners's largest Q2 2026 buy was Tapestry: 3,551,183 shares worth $518M.
  • Boston Partners added most to Amazon in Q2 2026, an estimated $1.86B increase.
  • Boston Partners's biggest Q2 2026 reduction was Micron Technology, cutting an estimated $1.2B.
  • Boston Partners fully exited Copart in Q2 2026, selling an estimated $106M.
  • Boston Partners's ten largest holdings make up 16% of its $113B portfolio in Q2 2026.
  • Boston Partners opened 97 new positions and closed 63 in Q2 2026.
  • Boston Partners's portfolio value rose 18% quarter-over-quarter to $113B.

Based on Boston Partners's 13F filing for Q2 2026, filed 4 Aug 2026.