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William Blair Investment Management

William Blair Investment Management Portfolio holdings

AUM $33.3B
1-Year Est. Return 44.76%
This Fund
S&P 500
This Quarter Est. Return
+15.93%
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
$34.4B
AUM Growth
+$4.27B
Cap. Flow
+$63.7M
Cap. Flow %
0.19%
Top 10 Hldgs %
22.06%
Holding
433
New
35
Increased
127
Reduced
244
Closed
27

Top Buys

Rank Stock Value
1
PDD icon
Pinduoduo
PDD
+$279M
2
CRH icon
CRH
CRH
+$151M
3
CWAN
Clearwater Analytics
CWAN
+$143M
4
EXLS icon
EXL Service
EXLS
+$102M
5
A icon
Agilent Technologies
A
+$76.4M

Top Sells

Rank Stock Value
1
PFGC icon
Performance Food Group
PFGC
+$156M
2
PXD
Pioneer Natural Resource Co.
PXD
+$101M
3
CP icon
Canadian Pacific Kansas City
CP
+$97.2M
4
WOLF icon
Wolfspeed
WOLF
+$86.6M
5
AXON
Axon Enterprise
AXON
+$79.8M

Sector Composition

Rank Sector Weight
1 Technology 27.13%
2 Healthcare 15.5%
3 Consumer Discretionary 15.19%
4 Industrials 14.17%
5 Financials 9.11%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
META icon
126
Meta Platforms (Facebook)
META
$1.49T
$71.4M 0.21%
201,600
+21,645
+12% +$7.05M
INFY icon
127
Infosys
INFY
$49.6B
$66M 0.19%
3,593,253
-611,290
-15% -$10.6M
OEC icon
128
Orion
OEC
$367M
$64.3M 0.19%
2,320,154
+105,984
+5% +$2.43M
ATKR icon
129
Atkore
ATKR
$3.17B
$61.8M 0.18%
386,534
+102,588
+36% +$14.2M
FROG icon
130
JFrog
FROG
$10.5B
$58.2M 0.17%
1,680,896
-52,743
-3% -$1.43M
SIG icon
131
Signet Jewelers
SIG
$3.61B
$57.7M 0.17%
538,320
-47,063
-8% -$3.86M
SNPS icon
132
Synopsys
SNPS
$79.3B
$57M 0.17%
110,648
-14,119
-11% -$7.22M
ULTA icon
133
Ulta Beauty
ULTA
$23B
$56.9M 0.17%
116,083
+43,476
+60% +$18.3M
LOPE icon
134
Grand Canyon Education
LOPE
$3.71B
$56.1M 0.16%
424,864
-4,984
-1% -$648K
PEB icon
135
Pebblebrook Hotel Trust
PEB
$2.03B
$55.5M 0.16%
3,472,145
-184,785
-5% -$2.46M
ONTO icon
136
Onto Innovation
ONTO
$20.9B
$53M 0.15%
346,846
-7,707
-2% -$1.04M
GVA icon
137
Granite Construction
GVA
$5.55B
$53M 0.15%
1,042,461
-20,031
-2% -$874K
IBP icon
138
Installed Building Products
IBP
$6.49B
$49.2M 0.14%
268,853
+119,433
+80% +$16.8M
EWBC icon
139
East-West Bancorp
EWBC
$18.5B
$47.8M 0.14%
665,044
-67,453
-9% -$4.06M
CVX icon
140
Chevron
CVX
$386B
$46.9M 0.14%
314,203
+74,072
+31% +$11.2M
TT icon
141
Trane Technologies
TT
$106B
$46.8M 0.14%
192,046
+22,442
+13% +$4.91M
COLD icon
142
Americold
COLD
$4.17B
$46.7M 0.14%
1,542,340
-154,681
-9% -$4.33M
BERY
143
DELISTED
Berry Global Group, Inc.
BERY
$46.7M 0.14%
754,193
-78,351
-9% -$4.42M
ITGR icon
144
Integer Holdings
ITGR
$4.26B
$46.4M 0.14%
468,203
-7,119
-1% -$613K
GPRE icon
145
Green Plains
GPRE
$1.06B
$45.3M 0.13%
1,796,878
+56,130
+3% +$1.48M
PR
146
Permian Resources
PR
$17.9B
$45.3M 0.13%
+3,331,606
New +$45.6M
KRG icon
147
Kite Realty
KRG
$5.28B
$45M 0.13%
1,966,557
-37,689
-2% -$805K
LZB icon
148
La-Z-Boy
LZB
$1.65B
$44.9M 0.13%
1,216,841
-23,401
-2% -$754K
MUSA icon
149
Murphy USA
MUSA
$10B
$44.8M 0.13%
+125,651
New +$45.5M
BLMN icon
150
Bloomin' Brands
BLMN
$968M
$44.7M 0.13%
1,589,539
-30,964
-2% -$752K
4 5
6
7 8

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William Blair Investment Management's Q4 2023 Portfolio in Review

As of Q4 2023, William Blair Investment Management held 433 positions worth $34.4B, up 14% from $30.1B the previous quarter. Its ten largest holdings account for 22% of the portfolio.

William Blair Investment Management's Q4 2023 filing shows 35 new, 127 increased, 244 reduced and 27 closed positions. Its largest new stake was Pinduoduo: 2,300,793 shares worth $336M. The largest sale was Performance Food Group, an estimated $156M.

By sector, the portfolio is most concentrated in Technology at 27% of assets, up from 26% a quarter earlier, followed by Healthcare and Consumer Discretionary.

  • William Blair Investment Management's largest Q4 2023 buy was Pinduoduo: 2,300,793 shares worth $336M.
  • William Blair Investment Management added most to CRH in Q4 2023, an estimated $151M increase.
  • William Blair Investment Management's biggest Q4 2023 reduction was Performance Food Group, cutting an estimated $156M.
  • William Blair Investment Management fully exited Pioneer Natural Resource Co. in Q4 2023, selling an estimated $101M.
  • William Blair Investment Management's ten largest holdings make up 22% of its $34.4B portfolio in Q4 2023.
  • William Blair Investment Management opened 35 new positions and closed 27 in Q4 2023.
  • William Blair Investment Management's portfolio value rose 14% quarter-over-quarter to $34.4B.

Based on William Blair Investment Management's 13F filing for Q4 2023, filed 9 Feb 2024.