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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
+7.86%
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
$28.9B
AUM Growth
+$2.01B
Cap. Flow
+$420M
Cap. Flow %
1.46%
Top 10 Hldgs %
17.78%
Holding
509
New
33
Increased
212
Reduced
167
Closed
90

Top Buys

Rank Stock Value
1
RCI icon
Rogers Communications
RCI
+$228M
2
BN icon
Brookfield
BN
+$96.9M
3
EEFT icon
Euronet Worldwide
EEFT
+$92.3M
4
TFX icon
Teleflex
TFX
+$84.9M
5
P
Everpure Inc
P
+$79.7M

Top Sells

Rank Stock Value
1
YUMC icon
Yum China
YUMC
+$188M
2
CRL icon
Charles River Laboratories
CRL
+$188M
3
FND icon
Floor & Decor
FND
+$129M
4
TWOU
2U Inc
TWOU
+$87.5M
5
MTN icon
Vail Resorts
MTN
+$71.8M

Sector Composition

Rank Sector Weight
1 Technology 16.83%
2 Healthcare 15.47%
3 Industrials 13.49%
4 Consumer Discretionary 13%
5 Financials 12.64%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
RDN icon
201
Radian Group
RDN
$4.86B
$27M 0.09%
1,304,237
-250,856
-16% -$4.81M
LHCG
202
DELISTED
LHC Group LLC
LHCG
$26.8M 0.09%
259,892
+55,839
+27% +$5.22M
IBKC
203
DELISTED
IBERIABANK Corp
IBKC
$26.5M 0.09%
325,442
-22,912
-7% -$1.91M
ALLE icon
204
Allegion
ALLE
$14.3B
$26.3M 0.09%
290,346
+108,123
+59% +$9.12M
STL
205
DELISTED
Sterling Bancorp
STL
$26.2M 0.09%
1,193,039
-83,770
-7% -$1.91M
JNK icon
206
State Street SPDR Bloomberg High Yield Bond ETF
JNK
$7.3B
$25.9M 0.09%
239,733
-25,834
-10% -$2.78M
IDA icon
207
Idacorp
IDA
$8.11B
$25.7M 0.09%
259,125
+7,895
+3% +$760K
XLE icon
208
State Street Energy Select Sector SPDR ETF
XLE
$39.8B
$25.3M 0.09%
668,200
-55,600
-8% -$2.08M
W icon
209
Wayfair
W
$14.1B
$25.1M 0.09%
+169,942
New +$21.6M
SHOO icon
210
Steven Madden
SHOO
$3.53B
$24.8M 0.09%
703,692
+41,421
+6% +$1.54M
BIIB icon
211
Biogen
BIIB
$30.1B
$23.9M 0.08%
67,618
-47,078
-41% -$16.2M
WAL icon
212
Western Alliance Bancorporation
WAL
$8.89B
$23.6M 0.08%
415,445
-29,403
-7% -$1.69M
JJSF icon
213
J&J Snack Foods
JJSF
$1.68B
$23.5M 0.08%
155,871
-11,067
-7% -$1.64M
HR
214
DELISTED
Healthcare Realty Trust Incorporated
HR
$23.3M 0.08%
795,692
+66,224
+9% +$1.98M
WSFS icon
215
WSFS Financial
WSFS
$4.14B
$23.3M 0.08%
493,724
-34,909
-7% -$1.8M
TAL icon
216
TAL Education Group
TAL
$6.75B
$23.3M 0.08%
905,143
-776,221
-46% -$25.1M
AAT
217
American Assets Trust
AAT
$1.37B
$23.1M 0.08%
618,401
+17,220
+3% +$661K
RAMP icon
218
LiveRamp
RAMP
$2.3B
$23M 0.08%
466,133
-272,504
-37% -$12.1M
CDXS icon
219
Codexis
CDXS
$159M
$22.8M 0.08%
1,328,633
-143,921
-10% -$2.32M
MOMO
220
Hello Group
MOMO
$861M
$22.7M 0.08%
518,102
-27,836
-5% -$1.22M
JBTM
221
JBT Marel
JBTM
$6.32B
$22.6M 0.08%
189,308
+25,038
+15% +$2.72M
VIAV icon
222
Viavi Solutions
VIAV
$9.47B
$22.5M 0.08%
1,981,351
-149,436
-7% -$1.61M
CXP
223
DELISTED
COLUMBIA PROPERTY TRUST, INC.
CXP
$22.2M 0.08%
940,772
+33,796
+4% +$786K
FNB icon
224
FNB Corp
FNB
$6.8B
$22.1M 0.08%
1,735,546
-122,666
-7% -$1.63M
CRS icon
225
Carpenter Technology
CRS
$26.7B
$22M 0.08%
373,261
-30,786
-8% -$1.76M

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William Blair Investment Management's Q3 2018 Portfolio in Review

As of Q3 2018, William Blair Investment Management held 509 positions worth $28.9B, up 7.5% from $26.9B the previous quarter. Its ten largest holdings account for 18% of the portfolio.

William Blair Investment Management's Q3 2018 filing shows 33 new, 212 increased, 167 reduced and 90 closed positions. Its largest new stake was Rogers Communications: 4,461,925 shares worth $229M. The largest sale was Yum China, an estimated $188M.

By sector, the portfolio is most concentrated in Technology at 17% of assets, up from 15% a quarter earlier, followed by Healthcare and Industrials.

  • William Blair Investment Management's largest Q3 2018 buy was Rogers Communications: 4,461,925 shares worth $229M.
  • William Blair Investment Management added most to Brookfield in Q3 2018, an estimated $96.9M increase.
  • William Blair Investment Management's biggest Q3 2018 reduction was Vail Resorts, cutting an estimated $71.8M.
  • William Blair Investment Management fully exited Yum China in Q3 2018, selling an estimated $188M.
  • William Blair Investment Management's ten largest holdings make up 18% of its $28.9B portfolio in Q3 2018.
  • William Blair Investment Management opened 33 new positions and closed 90 in Q3 2018.
  • William Blair Investment Management's portfolio value rose 7.5% quarter-over-quarter to $28.9B.

Based on William Blair Investment Management's 13F filing for Q3 2018, filed 13 Nov 2018.