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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
ASR icon
226
Grupo Aeroportuario del Sureste
ASR
$8.24B
$24.3M 0.1%
123,914
-8,210
-6% -$1.68M
MTX icon
227
Minerals Technologies
MTX
$2.25B
$24.3M 0.1%
491,600
-497
-0.1% -$30.2K
ESRT icon
228
Empire State Realty Trust
ESRT
$817M
$24.3M 0.1%
3,702,387
+391,887
+12% +$2.91M
MYE icon
229
Myers Industries
MYE
$1.23B
$24.1M 0.1%
1,466,014
-26,267
-2% -$541K
ACVA icon
230
ACV Auctions
ACVA
$1.35B
$23.8M 0.09%
3,315,204
+2,066,008
+165% +$16.4M
CENTA icon
231
Central Garden & Pet Co Class A
CENTA
$2.43B
$23.6M 0.09%
864,715
-28,689
-3% -$899K
WNS
232
DELISTED
WNS Holdings
WNS
$23.5M 0.09%
287,395
+47,762
+20% +$3.97M
ADNT icon
233
Adient
ADNT
$1.44B
$23.5M 0.09%
846,792
-14,855
-2% -$482K
SHOO icon
234
Steven Madden
SHOO
$3.49B
$23.5M 0.09%
+879,333
New +$27.7M
BOOT icon
235
Boot Barn
BOOT
$4.87B
$23.3M 0.09%
398,973
+96,672
+32% +$6.48M
TPH
236
DELISTED
Tri Pointe Homes
TPH
$23.2M 0.09%
1,533,320
+116,128
+8% +$2.05M
LXFR icon
237
Luxfer Holdings
LXFR
$457M
$22.9M 0.09%
1,576,054
+50,068
+3% +$793K
FIS icon
238
Fidelity National Information Services
FIS
$21.6B
$22.8M 0.09%
301,913
-6,089
-2% -$567K
ALGN icon
239
Align Technology
ALGN
$12.4B
$22.7M 0.09%
109,757
+37,248
+51% +$9.59M
STE icon
240
Steris
STE
$23.1B
$22.7M 0.09%
136,261
+13,988
+11% +$2.85M
CBRL icon
241
Cracker Barrel
CBRL
$1.31B
$22.6M 0.09%
244,619
-6,900
-3% -$694K
WINA icon
242
Winmark
WINA
$1.24B
$22.5M 0.09%
104,009
+4,991
+5% +$1.08M
ZD icon
243
Ziff Davis
ZD
$1.88B
$21.9M 0.09%
319,583
+16,546
+5% +$1.3M
SIVB
244
DELISTED
SVB Financial Group
SIVB
$21.9M 0.09%
65,137
-1,749
-3% -$704K
DCO icon
245
Ducommun
DCO
$3.04B
$21.8M 0.09%
550,354
+28,711
+6% +$1.28M
FOLD
246
DELISTED
Amicus Therapeutics
FOLD
$21.8M 0.09%
2,085,364
-462,242
-18% -$5.15M
ONT
247
Onterris Inc
ONT
$576M
$21.8M 0.09%
646,380
+33,051
+5% +$1.31M
DLX icon
248
Deluxe
DLX
$1.09B
$21.6M 0.09%
1,296,669
+114,967
+10% +$2.42M
INVX
249
Innovex International
INVX
$2.13B
$21.5M 0.08%
1,100,124
-19,671
-2% -$456K
CNDT icon
250
Conduent
CNDT
$241M
$21.3M 0.08%
6,391,054
+219,990
+4% +$918K
8 9
10
11 12

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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.