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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% |
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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.