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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 | |
|---|---|---|---|---|---|---|
|
TMHC
326
DELISTED
Taylor Morrison
TMHC
| $30M | 0.03% |
515,242
-35,052
| -6% | -$2.19M |
|
327
LiveRamp
RAMP
$2.3B
| $29.7M | 0.03% |
1,115,992
-66,573
| -6% | -$1.74M |
|
328
ABM Industries
ABM
$2.85B
| $29.7M | 0.03% |
770,325
-19,967
| -3% | -$864K |
|
329
Old Second Bancorp
OSBC
$1.31B
| $29.3M | 0.03% |
1,443,889
+626,578
| +77% | +$12.6M |
|
330
Byline Bancorp
BY
$1.8B
| $29.1M | 0.03% |
918,449
+211,708
| +30% | +$6.64M |
|
331
Helix Energy Solutions
HLX
$1.37B
| $29.1M | 0.03% |
+2,950,746
| New | +$25.1M |
|
332
Adobe
ADBE
$102B
| $29M | 0.03% |
+119,486
| New | +$33.1M |
|
|
PENG
333
Penguin Solutions Inc
PENG
$2.92B
| $28.9M | 0.03% |
+1,595,983
| New | +$30.4M |
|
334
Lear
LEA
$6.22B
| $28.8M | 0.03% |
238,822
-16,082
| -6% | -$2M |
|
|
AII
335
American Integrity Insurance
AII
$404M
| $28.4M | 0.03% |
1,473,831
+282,686
| +24% | +$5.39M |
|
336
First Industrial Realty Trust
FR
$8.49B
| $27.5M | 0.03% |
473,472
-32,516
| -6% | -$1.93M |
|
337
Visteon
VC
$2.77B
| $27.4M | 0.03% |
300,176
+35,478
| +13% | +$3.36M |
|
338
Gibraltar Industries
ROCK
$1.66B
| $27.3M | 0.03% |
686,625
-237,086
| -26% | -$11.5M |
|
339
Ingevity
NGVT
$2.58B
| $27.1M | 0.03% |
379,999
-240,361
| -39% | -$16.4M |
|
340
AZZ Inc
AZZ
$4.62B
| $27M | 0.03% |
215,206
-14,585
| -6% | -$1.84M |
|
341
Essential Properties Realty Trust
EPRT
$6.62B
| $26.9M | 0.03% |
885,189
-44,466
| -5% | -$1.41M |
|
342
Otis Worldwide
OTIS
$27.8B
| $26.3M | 0.03% |
341,532
+13,087
| +4% | +$1.15M |
|
343
Benchmark Electronics
BHE
$3.06B
| $25.8M | 0.03% |
459,896
-14,129
| -3% | -$760K |
|
344
Liberty Energy
LBRT
$3.17B
| $25.5M | 0.03% |
884,092
+61,133
| +7% | +$1.56M |
|
345
Cytek Biosciences
CTKB
$548M
| $25.4M | 0.03% |
5,802,773
+794,464
| +16% | +$3.75M |
|
346
BrightView Holdings
BV
$994M
| $24.8M | 0.03% |
2,106,466
+282,785
| +16% | +$3.66M |
|
347
Green Brick Partners
GRBK
$3.15B
| $24.7M | 0.03% |
384,974
+53,080
| +16% | +$3.73M |
|
|
CCRN
348
DELISTED
Cross Country Healthcare
CCRN
| $23.9M | 0.03% |
2,545,584
+1,753,790
| +221% | +$15.7M |
|
349
Mesa Laboratories
MLAB
$570M
| $23.8M | 0.02% |
268,711
+55,335
| +26% | +$4.77M |
|
350
Addus HomeCare
ADUS
$2.17B
| $23.7M | 0.02% |
254,639
+57,486
| +29% | +$6.09M |
|
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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.