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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
-0.67%
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
$25.3B
AUM Growth
-$1.68B
Cap. Flow
-$904M
Cap. Flow %
-3.57%
Top 10 Hldgs %
17.26%
Holding
421
New
18
Increased
147
Reduced
220
Closed
34

Top Buys

Rank Stock Value
1
CP icon
Canadian Pacific Kansas City
CP
+$223M
2
EHC icon
Encompass Health
EHC
+$216M
3
FTI icon
TechnipFMC
FTI
+$115M
4
POOL icon
Pool Corp
POOL
+$110M
5
MLM icon
Martin Marietta Materials
MLM
+$75.9M

Top Sells

Rank Stock Value
1
CNI icon
Canadian National Railway
CNI
+$256M
2
TEAM icon
Atlassian
TEAM
+$172M
3
NVDA icon
NVIDIA
NVDA
+$133M
4
AVLR
Avalara, Inc.
AVLR
+$127M
5
WOOF icon
Petco
WOOF
+$112M

Sector Composition

Rank Sector Weight
1 Technology 22.56%
2 Healthcare 18.06%
3 Industrials 16.24%
4 Consumer Discretionary 13.94%
5 Financials 10.86%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
LNTH icon
126
Lantheus
LNTH
$6.57B
$42.1M 0.17%
598,328
-180,835
-23% -$13.7M
TCBI icon
127
Texas Capital Bancshares
TCBI
$4.38B
$41.9M 0.17%
709,053
-19,534
-3% -$1.16M
ICE icon
128
Intercontinental Exchange
ICE
$85B
$41.3M 0.16%
457,020
-11,298
-2% -$1.13M
EBC icon
129
Eastern Bankshares
EBC
$5.34B
$41M 0.16%
2,087,978
-43,397
-2% -$868K
ADSK icon
130
Autodesk
ADSK
$52.7B
$41M 0.16%
219,427
-5,639
-3% -$1.14M
EW icon
131
Edwards Lifesciences
EW
$53.6B
$40.6M 0.16%
490,968
-12,154
-2% -$1.17M
PLXS icon
132
Plexus
PLXS
$7.25B
$40.5M 0.16%
462,776
-8,225
-2% -$734K
LOPE icon
133
Grand Canyon Education
LOPE
$3.7B
$40.2M 0.16%
+489,216
New +$42.4M
MTRN icon
134
Materion
MTRN
$5.9B
$40.1M 0.16%
501,343
-15,588
-3% -$1.28M
WTFC icon
135
Wintrust Financial
WTFC
$11B
$40.1M 0.16%
491,609
+27,028
+6% +$2.29M
META icon
136
Meta Platforms (Facebook)
META
$1.47T
$40M 0.16%
294,749
-7,197
-2% -$1.17M
SM icon
137
SM Energy
SM
$7.71B
$39.6M 0.16%
1,054,080
-18,722
-2% -$737K
ABCB icon
138
Ameris Bancorp
ABCB
$5.94B
$39.5M 0.16%
884,370
-17,320
-2% -$794K
NTCT icon
139
NETSCOUT
NTCT
$2.87B
$39.4M 0.16%
1,257,315
-33,471
-3% -$1.1M
GPRE icon
140
Green Plains
GPRE
$1.06B
$39.3M 0.16%
1,352,802
+1,129
+0.1% +$38.1K
CBZ icon
141
CBIZ
CBZ
$2.96B
$39M 0.15%
912,018
-167,535
-16% -$7.33M
MEI icon
142
Methode Electronics
MEI
$602M
$38.9M 0.15%
1,048,371
-239
-0% -$9.36K
ISRG icon
143
Intuitive Surgical
ISRG
$142B
$38.9M 0.15%
207,605
-378
-0.2% -$81.2K
ONB icon
144
Old National Bancorp
ONB
$10.4B
$38.4M 0.15%
2,329,422
-43,110
-2% -$720K
PRGS icon
145
Progress Software
PRGS
$1.79B
$38.3M 0.15%
899,999
-27,528
-3% -$1.27M
BLK icon
146
Blackrock
BLK
$180B
$38.3M 0.15%
69,554
-2,120
-3% -$1.39M
KRG icon
147
Kite Realty
KRG
$5.27B
$37.9M 0.15%
2,199,475
-69,063
-3% -$1.32M
LRCX icon
148
Lam Research
LRCX
$408B
$37.1M 0.15%
1,013,010
-842,050
-45% -$37.5M
BBT
149
Beacon Financial Corp
BBT
$2.69B
$36.6M 0.14%
1,339,278
-29,709
-2% -$829K
LGND icon
150
Ligand Pharmaceuticals
LGND
$5.85B
$35.9M 0.14%
668,571
+33,712
+5% +$1.98M
4 5
6
7 8

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William Blair Investment Management's Q3 2022 Portfolio in Review

As of Q3 2022, William Blair Investment Management held 421 positions worth $25.3B, down 6.2% from $27B the previous quarter. Its ten largest holdings account for 17% of the portfolio.

William Blair Investment Management withdrew a net $904M in Q3 2022, closing 34 positions and reducing 220 holdings. Its most notable exit was Atlassian, an estimated $172M position sold in full.

By sector, the portfolio is most concentrated in Technology at 23% of assets, down from 25% a quarter earlier, followed by Healthcare and Industrials.

Against the trend, William Blair Investment Management opened a new position in Pioneer Natural Resource Co. worth $69.6M.

  • William Blair Investment Management's largest Q3 2022 buy was Pioneer Natural Resource Co.: 321,592 shares worth $69.6M.
  • William Blair Investment Management added most to Canadian Pacific Kansas City in Q3 2022, an estimated $223M increase.
  • William Blair Investment Management's biggest Q3 2022 reduction was Canadian National Railway, cutting an estimated $256M.
  • William Blair Investment Management fully exited Atlassian in Q3 2022, selling an estimated $172M.
  • William Blair Investment Management's ten largest holdings make up 17% of its $25.3B portfolio in Q3 2022.
  • William Blair Investment Management opened 18 new positions and closed 34 in Q3 2022.
  • William Blair Investment Management's portfolio value fell 6.2% quarter-over-quarter to $25.3B.

Based on William Blair Investment Management's 13F filing for Q3 2022, filed 9 Nov 2022.