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William Blair Investment Management

William Blair Investment Management Portfolio holdings

AUM $30.3B
1-Year Est. Return 33.75%
This Fund
S&P 500
This Quarter Est. Return
+9.46%
1 Year Est. Return
+33.75%
3 Year Est. Return
+108.55%
5 Year Est. Return
+126.9%
10 Year Est. Return
+788.31%
AUM
$25.1B
AUM Growth
+$1.71B
Cap. Flow
-$116M
Cap. Flow %
-0.46%
Top 10 Hldgs %
21.8%
Holding
389
New
32
Increased
133
Reduced
187
Closed
33

Sector Composition

Rank Sector Weight
1 Technology 22.67%
2 Healthcare 14.68%
3 Consumer Discretionary 14.55%
4 Industrials 12.39%
5 Financials 11.76%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
CNC icon
201
Centene
CNC
$32.1B
$19.4M 0.08%
307,800
-26,649
-8% -$1.45M
AORT icon
202
Artivion
AORT
$1.39B
$19.2M 0.08%
709,138
+161,059
+29% +$3.96M
AWI icon
203
Armstrong World Industries
AWI
$7.89B
$18.9M 0.08%
200,853
-2,923
-1% -$279K
ROST icon
204
Ross Stores
ROST
$80.8B
$18.8M 0.07%
161,319
-13,989
-8% -$1.57M
CCJ icon
205
Cameco
CCJ
$43B
$18.5M 0.07%
2,077,799
+43,817
+2% +$405K
CVGW
206
DELISTED
Calavo Growers
CVGW
$18.4M 0.07%
203,219
+46,053
+29% +$4.11M
MRCY icon
207
Mercury Systems
MRCY
$6.55B
$18.2M 0.07%
263,845
+61,835
+31% +$4.45M
COLD icon
208
Americold
COLD
$4.13B
$18.2M 0.07%
519,011
-43,702
-8% -$1.61M
CIGI icon
209
Colliers International
CIGI
$5.29B
$18M 0.07%
230,644
-796,881
-78% -$57.4M
LUV icon
210
Southwest Airlines
LUV
$22.3B
$17.9M 0.07%
331,619
+7,727
+2% +$429K
CIB icon
211
Grupo Cibest SA
CIB
$23.3B
$17.8M 0.07%
325,100
-254,515
-44% -$13.1M
EPAM icon
212
EPAM Systems
EPAM
$5.15B
$17.7M 0.07%
83,451
-7,184
-8% -$1.41M
JNK icon
213
State Street SPDR Bloomberg High Yield Bond ETF
JNK
$7.3B
$17.7M 0.07%
161,390
-14,500
-8% -$1.57M
FCN icon
214
FTI Consulting
FCN
$4.22B
$17.2M 0.07%
155,683
-76,938
-33% -$8.41M
IBN icon
215
ICICI Bank
IBN
$107B
$17M 0.07%
1,129,635
+369,134
+49% +$5.01M
ADSK icon
216
Autodesk
ADSK
$53.1B
$16.5M 0.07%
90,150
-61,670
-41% -$9.99M
AXGN icon
217
Axogen
AXGN
$2.61B
$16.5M 0.07%
922,079
+209,811
+29% +$3.1M
JJSF icon
218
J&J Snack Foods
JJSF
$1.69B
$16.3M 0.07%
88,608
-35,998
-29% -$6.78M
IFS icon
219
Intercorp Financial Services
IFS
$6.37B
$16.3M 0.07%
394,994
-126,101
-24% -$5.07M
RDN icon
220
Radian Group
RDN
$4.86B
$16.2M 0.06%
643,133
-261,995
-29% -$6.51M
HWC icon
221
Hancock Whitney
HWC
$6.28B
$16.1M 0.06%
367,797
-148,877
-29% -$6.04M
INFY icon
222
Infosys
INFY
$51B
$16.1M 0.06%
1,562,374
-617,965
-28% -$6.22M
IDA icon
223
Idacorp
IDA
$8.1B
$16.1M 0.06%
150,373
-45,083
-23% -$4.82M
UNF icon
224
Unifirst Corp
UNF
$5.27B
$15.8M 0.06%
+78,061
New +$15.8M
ECH icon
225
iShares MSCI Chile ETF
ECH
$1.04B
$15.6M 0.06%
+466,800
New +$16M

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William Blair Investment Management's Q4 2019 Portfolio in Review

As of Q4 2019, William Blair Investment Management held 389 positions worth $25.1B, up 7.3% from $23.4B the previous quarter. Its ten largest holdings account for 22% of the portfolio.

William Blair Investment Management's Q4 2019 filing shows 32 new, 133 increased, 187 reduced and 33 closed positions. Its largest new stake was Ollie's Bargain Outlet: 1,892,527 shares worth $124M. The largest sale was Covista Inc, an estimated $163M.

By sector, the portfolio is most concentrated in Technology at 23% of assets, up from 20% a quarter earlier, followed by Healthcare and Consumer Discretionary.

  • William Blair Investment Management's largest Q4 2019 buy was Ollie's Bargain Outlet: 1,892,527 shares worth $124M.
  • William Blair Investment Management added most to ZYNGA INC. CL A COMMON in Q4 2019, an estimated $140M increase.
  • William Blair Investment Management's biggest Q4 2019 reduction was Middleby, cutting an estimated $155M.
  • William Blair Investment Management fully exited Covista Inc in Q4 2019, selling an estimated $163M.
  • William Blair Investment Management's ten largest holdings make up 22% of its $25.1B portfolio in Q4 2019.
  • William Blair Investment Management opened 32 new positions and closed 33 in Q4 2019.
  • William Blair Investment Management's portfolio value rose 7.3% quarter-over-quarter to $25.1B.

Based on William Blair Investment Management's 13F filing for Q4 2019, filed 12 Feb 2020.