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Robeco Institutional Asset Management Portfolio holdings
AUM
$81.4B
1-Year Est. Return
40.71%
This Fund
S&P 500
This Quarter
Est. Return
-0.59%
1 Year Est. Return
+40.71%
3 Year Est. Return
+135.42%
5 Year Est. Return
+174.69%
10 Year Est. Return
+589.21%
AUM
$70.2B
AUM Growth
-$56.5M
(-0.08%)
Cap. Flow
+$3.16B
Cap. Flow
% of AUM
4.51%
Top 10 Holdings %
Top 10 Hldgs %
28.44%
Holding
889
New
65
Increased
398
Reduced
327
Closed
47
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
SLB Ltd
SLB
|
+$344M |
| 2 |
Apple
AAPL
|
+$265M |
| 3 |
Lowe's Companies
LOW
|
+$245M |
| 4 |
NVIDIA
NVDA
|
+$240M |
| 5 |
Dollar General
DG
|
+$209M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Microsoft
MSFT
|
+$269M |
| 2 |
Salesforce
CRM
|
+$263M |
| 3 |
JPMorgan Chase
JPM
|
+$234M |
| 4 |
Boston Scientific
BSX
|
+$231M |
| 5 |
Trane Technologies
TT
|
+$225M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 33.17% |
| 2 | Financials | 13.79% |
| 3 | Communication Services | 11.26% |
| 4 | Healthcare | 10.45% |
| 5 | Consumer Discretionary | 9.51% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
776
DraftKings
DKNG
$11.9B
| $641K | ﹤0.01% |
29,635
| – | – |
|
777
TransDigm Group
TDG
$67.7B
| $634K | ﹤0.01% |
+547
| New | +$717K |
|
778
Brixmor Property Group
BRX
$9.32B
| $633K | ﹤0.01% |
21,979
-20,301
| -48% | -$573K |
|
779
Constellation Brands
STZ
$23.2B
| $612K | ﹤0.01% |
+4,083
| New | +$631K |
|
780
Lattice Semiconductor
LSCC
$18.5B
| $605K | ﹤0.01% |
6,525
| – | – |
|
|
TTAN
781
ServiceTitan Inc
TTAN
$8.19B
| $592K | ﹤0.01% |
9,336
| – | – |
|
782
IDEX
IEX
$17.3B
| $584K | ﹤0.01% |
3,082
+1,614
| +110% | +$319K |
|
783
McCormick & Company Non-Voting
MKC
$14.2B
| $545K | ﹤0.01% |
+10,798
| New | +$688K |
|
784
MDU Resources
MDU
$4.32B
| $518K | ﹤0.01% |
25,002
| – | – |
|
785
Copart
CPRT
$27.5B
| $517K | ﹤0.01% |
15,586
-887
| -5% | -$33.3K |
|
786
Omega Healthcare
OHI
$14.7B
| $500K | ﹤0.01% |
11,416
+4,922
| +76% | +$225K |
|
787
Bloom Energy
BE
$64.6B
| $497K | ﹤0.01% |
+3,666
| New | +$538K |
|
788
Manhattan Associates
MANH
$11.4B
| $494K | ﹤0.01% |
3,712
-59,405
| -94% | -$8.9M |
|
789
Gerdau
GGB
$9.7B
| $489K | ﹤0.01% |
135,374
+54,779
| +68% | +$215K |
|
790
Willis Towers Watson
WTW
$32B
| $476K | ﹤0.01% |
1,638
-9
| -0.5% | -$2.76K |
|
|
SNDK
791
Sandisk
SNDK
$177B
| $464K | ﹤0.01% |
+731
| New | +$413K |
|
792
United Natural Foods
UNFI
$2.85B
| $463K | ﹤0.01% |
10,276
+241
| +2% | +$9.23K |
|
793
REX American Resources
REX
$1.41B
| $461K | ﹤0.01% |
+10,120
| New | +$367K |
|
794
Diamondback Energy
FANG
$52.7B
| $447K | ﹤0.01% |
+2,258
| New | +$384K |
|
795
EPR Properties
EPR
$4.77B
| $442K | ﹤0.01% |
8,844
-5,927
| -40% | -$326K |
|
796
Global Ship Lease
GSL
$1.53B
| $436K | ﹤0.01% |
+11,714
| New | +$441K |
|
797
Cars.com
CARS
$660M
| $426K | ﹤0.01% |
+52,494
| New | +$537K |
|
798
PTC Therapeutics
PTCT
$6.12B
| $426K | ﹤0.01% |
6,252
+432
| +7% | +$30.6K |
|
799
Ionis Pharmaceuticals
IONS
$9.4B
| $425K | ﹤0.01% |
+5,660
| New | +$447K |
|
800
WIX.com
WIX
$2.52B
| $399K | ﹤0.01% |
4,434
-45,953
| -91% | -$3.84M |
|
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Robeco Institutional Asset Management's Q1 2026 Portfolio in Review
As of Q1 2026, Robeco Institutional Asset Management held 889 positions worth $70.2B, down 0.08% from $70.2B the previous quarter. Its ten largest holdings account for 28% of the portfolio.
Robeco Institutional Asset Management deployed $3.16B of net new capital in Q1 2026, opening 65 new positions and adding to 398 existing holdings. Its largest new stake was Berkshire Hathaway Class A: 47 shares worth $33.8M.
By sector, the portfolio is most concentrated in Technology at 33% of assets, down from 35% a quarter earlier, followed by Financials and Communication Services.
On the sell side, the largest reduction was Microsoft, an estimated $269M trimmed.
- Robeco Institutional Asset Management's largest Q1 2026 buy was Berkshire Hathaway Class A: 47 shares worth $33.8M.
- Robeco Institutional Asset Management added most to SLB Ltd in Q1 2026, an estimated $344M increase.
- Robeco Institutional Asset Management's biggest Q1 2026 reduction was Microsoft, cutting an estimated $269M.
- Robeco Institutional Asset Management fully exited Autohome in Q1 2026, selling an estimated $33.6M.
- Robeco Institutional Asset Management's ten largest holdings make up 28% of its $70.2B portfolio in Q1 2026.
- Robeco Institutional Asset Management opened 65 new positions and closed 47 in Q1 2026.
- Robeco Institutional Asset Management's portfolio value fell 0.08% quarter-over-quarter to $70.2B.
Based on Robeco Institutional Asset Management's 13F filing for Q1 2026, filed 21 Apr 2026.