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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
GLDD
251
DELISTED
Great Lakes Dredge & Dock
GLDD
$20.7M 0.08%
2,728,112
-48,104
-2% -$504K
GDYN icon
252
Grid Dynamics Holdings
GDYN
$632M
$20.6M 0.08%
1,101,950
+58,306
+6% +$1.11M
PDFS icon
253
PDF Solutions
PDFS
$2.19B
$20.5M 0.08%
835,261
+41,898
+5% +$1.06M
ELS icon
254
Equity Lifestyle Properties
ELS
$12.4B
$20.1M 0.08%
320,449
+18,463
+6% +$1.33M
AAMI
255
Acadian Asset Management
AAMI
$3.27B
$20M 0.08%
1,342,800
-24,326
-2% -$437K
MDRX
256
DELISTED
Veradigm Inc. Common Stock
MDRX
$19.9M 0.08%
+1,306,182
New +$21.1M
ARMK icon
257
Aramark
ARMK
$15.9B
$19.8M 0.08%
879,924
+48,826
+6% +$1.21M
MLKN icon
258
MillerKnoll
MLKN
$1.64B
$19.6M 0.08%
1,254,259
-22,067
-2% -$606K
SQM icon
259
Sociedad Química y Minera de Chile
SQM
$20.4B
$19.5M 0.08%
214,738
+80,707
+60% +$7.83M
ESTE
260
DELISTED
Earthstone Energy Inc. Class A Common Stock
ESTE
$18.7M 0.07%
1,519,250
-37,359
-2% -$508K
SLVM icon
261
Sylvamo
SLVM
$1.53B
$18.2M 0.07%
+538,169
New +$20.4M
PLD icon
262
Prologis
PLD
$134B
$18.1M 0.07%
178,271
-3,177
-2% -$394K
OPLN
263
Openlane
OPLN
$4.34B
$18.1M 0.07%
1,617,350
-17,636
-1% -$265K
VERX icon
264
Vertex
VERX
$2B
$18M 0.07%
1,317,198
+150,092
+13% +$1.9M
COLD icon
265
Americold
COLD
$4.17B
$17.6M 0.07%
716,175
+133,330
+23% +$4.03M
ANIP icon
266
ANI Pharmaceuticals
ANIP
$1.73B
$17.6M 0.07%
547,389
-9,665
-2% -$331K
PRO
267
DELISTED
PROS Holdings
PRO
$17.6M 0.07%
712,063
+37,107
+5% +$900K
AXGN icon
268
Axogen
AXGN
$2.67B
$17.3M 0.07%
1,453,909
-184,996
-11% -$1.85M
COLB icon
269
Columbia Banking Systems
COLB
$9.12B
$17.3M 0.07%
599,649
+33,273
+6% +$1M
ARGO
270
DELISTED
Argo Group International Holdings, Ltd.
ARGO
$17.3M 0.07%
896,122
-21,937
-2% -$575K
IPAR icon
271
Interparfums
IPAR
$3.78B
$16.2M 0.06%
214,264
+11,889
+6% +$942K
KRNT icon
272
Kornit Digital
KRNT
$817M
$16M 0.06%
601,403
+47,489
+9% +$1.37M
STEM icon
273
Stem
STEM
$48.8M
$16M 0.06%
59,939
-286,457
-83% -$73.3M
SFM icon
274
Sprouts Farmers Market
SFM
$8.03B
$16M 0.06%
+575,144
New +$16.3M
MWA icon
275
Mueller Water Products
MWA
$4.09B
$15.7M 0.06%
1,528,593
+135,016
+10% +$1.57M
9 10
11
12 13

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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.