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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
(-1.2%)
Cap. Flow
-$1.59B
Cap. Flow
% of AUM
-1.66%
Top 10 Holdings %
Top 10 Hldgs %
13.57%
Holding
857
New
106
Increased
293
Reduced
358
Closed
90
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Booking.com
BKNG
|
+$836M |
| 2 |
Marvell Technology
MRVL
|
+$518M |
| 3 |
Visa
V
|
+$461M |
| 4 |
NVIDIA
NVDA
|
+$307M |
| 5 |
McCormick & Company Non-Voting
MKC
|
+$281M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
UnitedHealth
UNH
|
+$483M |
| 2 |
Medtronic
MDT
|
+$451M |
| 3 |
AutoZone
AZO
|
+$361M |
| 4 |
Carlyle Group
CG
|
+$327M |
| 5 |
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 | |
|---|---|---|---|---|---|---|
726
Radcom
RDCM
$172M
| $301K | ﹤0.01% |
24,722
-902
| -4% | -$10.8K |
|
727
Ceco Environmental
CECO
$4.1B
| $297K | ﹤0.01% |
4,979
-225
| -4% | -$14.5K |
|
728
TAT Technologies
TATT
$541M
| $290K | ﹤0.01% |
7,129
-216,369
| -97% | -$11.2M |
|
729
Cameco
CCJ
$40.5B
| $285K | ﹤0.01% |
2,627
| – | – |
|
730
Rayonier Advanced Materials
RYAM
$591M
| $283K | ﹤0.01% |
25,603
-34,291
| -57% | -$309K |
|
731
Ooma
OOMA
$592M
| $283K | ﹤0.01% |
19,453
-755
| -4% | -$9.47K |
|
732
Kaltura
KLTR
$211M
| $283K | ﹤0.01% |
231,731
-8,253
| -3% | -$11.7K |
|
733
Stryker
SYK
$129B
| $276K | ﹤0.01% |
841
+31
| +4% | +$11.1K |
|
|
LGCY
734
Legacy Education Inc
LGCY
$151M
| $268K | ﹤0.01% |
21,378
-18,547
| -46% | -$219K |
|
735
Tesla
TSLA
$1.29T
| $265K | ﹤0.01% |
713
-96
| -12% | -$39.5K |
|
736
Valero Energy
VLO
$88.9B
| $259K | ﹤0.01% |
+1,048
| New | +$216K |
|
737
Ascent Industries
ACNT
$139M
| $252K | ﹤0.01% |
+18,939
| New | +$294K |
|
738
Manitowoc
MTW
$519M
| $252K | ﹤0.01% |
21,597
-767
| -3% | -$10.3K |
|
739
State Street SPDR Bloomberg Short Term High Yield Bond ETF
SJNK
$4.76B
| $250K | ﹤0.01% |
10,020
| – | – |
|
|
GARP
740
iShares MSCI USA Quality GARP ETF
GARP
$2.75B
| $250K | ﹤0.01% |
+3,905
| New | +$265K |
|
|
LOVE
741
LoveSac
LOVE
$266M
| $249K | ﹤0.01% |
+16,873
| New | +$224K |
|
742
Ferrari
RACE
$70.8B
| $247K | ﹤0.01% |
+731
| New | +$256K |
|
743
Schwab US Large- Cap ETF
SCHX
$74.2B
| $241K | ﹤0.01% |
9,409
| – | – |
|
744
Azenta
AZTA
$1.39B
| $239K | ﹤0.01% |
+11,300
| New | +$338K |
|
745
OFG Bancorp
OFG
$2.26B
| $235K | ﹤0.01% |
5,816
-3,581
| -38% | -$145K |
|
|
HDSN
746
Hudson Technologies
HDSN
$266M
| $235K | ﹤0.01% |
39,994
+18,738
| +88% | +$128K |
|
|
HTB
747
HomeTrust Bancshares
HTB
$871M
| $231K | ﹤0.01% |
+5,416
| New | +$233K |
|
748
Select Water Solutions
WTTR
$2.3B
| $230K | ﹤0.01% |
15,036
-547
| -4% | -$7.15K |
|
|
CDNL
749
Cardinal Infrastructure Group
CDNL
$1.27B
| $229K | ﹤0.01% |
+5,778
| New | +$167K |
|
|
CARL
750
Carlsmed
CARL
$365M
| $228K | ﹤0.01% |
25,201
-899
| -3% | -$10.9K |
|
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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.