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William Blair Investment Management Portfolio holdings
AUM
$33.3B
1-Year Est. Return
44.76%
This Fund
S&P 500
This Quarter
Est. Return
+17.18%
1 Year Est. Return
+44.76%
3 Year Est. Return
+140.8%
5 Year Est. Return
+166.51%
10 Year Est. Return
+978.6%
AUM
$37.7B
AUM Growth
+$2.06B
(+5.8%)
Cap. Flow
-$2.27B
Cap. Flow
% of AUM
-6.03%
Top 10 Holdings %
Top 10 Hldgs %
30.35%
Holding
461
New
38
Increased
117
Reduced
257
Closed
44
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
BWX Technologies
BWXT
|
+$149M |
| 2 |
Maplebear
CART
|
+$145M |
| 3 |
BellRing Brands
BRBR
|
+$144M |
| 4 |
Oracle
ORCL
|
+$139M |
| 5 |
P
Everpure Inc
P
|
+$130M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Yum China
YUMC
|
+$217M |
| 2 |
Palo Alto Networks
PANW
|
+$192M |
| 3 |
e.l.f. Beauty
ELF
|
+$177M |
| 4 |
Stride
LRN
|
+$176M |
| 5 |
GTLS
Chart Industries
GTLS
|
+$153M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 35.89% |
| 2 | Consumer Discretionary | 15.09% |
| 3 | Financials | 13.13% |
| 4 | Healthcare | 10.3% |
| 5 | Industrials | 9.46% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
226
YPF Sociedad Anonima American Depositary Shares (Each representing ten (10) Class D shares of Capital Stock)
YPF
$19B
| $28.6M | 0.08% |
907,929
-772,911
| -46% | -$25.8M |
|
227
OneMain Financial
OMF
$7.35B
| $28.5M | 0.08% |
499,589
+16,940
| +4% | +$845K |
|
228
OneSpaWorld
OSW
$2.69B
| $28.5M | 0.08% |
1,395,821
-75,911
| -5% | -$1.39M |
|
229
Cheesecake Factory
CAKE
$5.78B
| $28.4M | 0.08% |
452,955
+21,223
| +5% | +$1.13M |
|
230
WaFd
WAFD
$2.8B
| $28.2M | 0.07% |
962,787
+74,017
| +8% | +$2.1M |
|
231
Brady Corp
BRC
$4.45B
| $28.1M | 0.07% |
412,990
-33,907
| -8% | -$2.36M |
|
232
Granite Construction
GVA
$5.53B
| $28.1M | 0.07% |
300,030
-24,091
| -7% | -$2.03M |
|
233
ICU Medical
ICUI
$4.46B
| $27.9M | 0.07% |
+211,339
| New | +$28.7M |
|
234
First Merchants
FRME
$2.71B
| $27.8M | 0.07% |
724,679
-59,782
| -8% | -$2.21M |
|
235
Agree Realty
ADC
$9.26B
| $27.5M | 0.07% |
376,499
-296,737
| -44% | -$22.3M |
|
236
DigitalBridge
DBRG
$2.95B
| $27.4M | 0.07% |
2,650,120
-213,301
| -7% | -$2.03M |
|
|
CADE
237
DELISTED
Cadence Bank
CADE
| $27.4M | 0.07% |
857,170
+3,709
| +0.4% | +$111K |
|
|
ELME
238
Elme Communities
ELME
$144M
| $27.2M | 0.07% |
1,711,828
-138,157
| -7% | -$2.19M |
|
|
SILA
239
DELISTED
Sila Realty Trust
SILA
| $27.2M | 0.07% |
1,147,773
-89,058
| -7% | -$2.24M |
|
240
Vertex
VERX
$1.97B
| $26.9M | 0.07% |
761,595
+34,646
| +5% | +$1.32M |
|
241
Ceco Environmental
CECO
$4.45B
| $26.8M | 0.07% |
945,897
+44,310
| +5% | +$1.1M |
|
242
Applied Industrial Technologies
AIT
$13B
| $26.7M | 0.07% |
+115,042
| New | +$26.2M |
|
243
Empire State Realty Trust
ESRT
$812M
| $26.6M | 0.07% |
3,283,432
-272,979
| -8% | -$2.09M |
|
244
Ecovyst
ECVT
$1.1B
| $26.3M | 0.07% |
3,196,902
-264,414
| -8% | -$1.86M |
|
245
Fabrinet
FN
$20.8B
| $26.2M | 0.07% |
+89,055
| New | +$19.8M |
|
246
GitLab
GTLB
$6.94B
| $26.2M | 0.07% |
580,752
+109,708
| +23% | +$5.02M |
|
247
Columbia Banking Systems
COLB
$9.06B
| $26.2M | 0.07% |
1,118,924
-90,720
| -7% | -$2.1M |
|
248
Adtran
ADTN
$674M
| $26M | 0.07% |
2,902,526
-236,577
| -8% | -$1.89M |
|
249
Central Garden & Pet Co Class A
CENTA
$2.43B
| $26M | 0.07% |
831,433
+63,008
| +8% | +$1.97M |
|
250
MGIC Investment
MTG
$6.3B
| $25.9M | 0.07% |
929,897
-74,554
| -7% | -$1.92M |
|
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GAM
VIA
William Blair Investment Management's Q2 2025 Portfolio in Review
As of Q2 2025, William Blair Investment Management held 461 positions worth $37.7B, up 5.8% from $35.6B the previous quarter. Its ten largest holdings account for 30% of the portfolio.
William Blair Investment Management withdrew a net $2.27B in Q2 2025, closing 44 positions and reducing 257 holdings. Its most notable exit was The AZEK Co, an estimated $123M position sold in full.
By sector, the portfolio is most concentrated in Technology at 36% of assets, up from 33% a quarter earlier, followed by Consumer Discretionary and Financials.
Against the trend, William Blair Investment Management opened a new position in Maplebear worth $151M.
- William Blair Investment Management's largest Q2 2025 buy was Maplebear: 3,345,792 shares worth $151M.
- William Blair Investment Management added most to BWX Technologies in Q2 2025, an estimated $149M increase.
- William Blair Investment Management's biggest Q2 2025 reduction was Yum China, cutting an estimated $217M.
- William Blair Investment Management fully exited The AZEK Co in Q2 2025, selling an estimated $123M.
- William Blair Investment Management's ten largest holdings make up 30% of its $37.7B portfolio in Q2 2025.
- William Blair Investment Management opened 38 new positions and closed 44 in Q2 2025.
- William Blair Investment Management's portfolio value rose 5.8% quarter-over-quarter to $37.7B.
Based on William Blair Investment Management's 13F filing for Q2 2025, filed 29 Jul 2025.