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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
+19.2%
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
$23.8B
AUM Growth
+$3.63B
Cap. Flow
+$288M
Cap. Flow %
1.21%
Top 10 Hldgs %
20.04%
Holding
441
New
37
Increased
142
Reduced
223
Closed
35

Top Buys

Rank Stock Value
1
CHKP icon
Check Point Software Technologies
CHKP
+$181M
2
BABA icon
Alibaba
BABA
+$124M
3
EWBC icon
East-West Bancorp
EWBC
+$109M
4
STE icon
Steris
STE
+$94.6M
5
BURL icon
Burlington
BURL
+$87.9M

Top Sells

Rank Stock Value
1
SIX
Six Flags Entertainment Corp.
SIX
+$151M
2
FTNT icon
Fortinet
FTNT
+$108M
3
SU icon
Suncor Energy
SU
+$77.7M
4
WST icon
West Pharmaceutical
WST
+$73.5M
5
WW
WW International
WW
+$59M

Sector Composition

Rank Sector Weight
1 Technology 17.21%
2 Consumer Discretionary 14.5%
3 Healthcare 14.2%
4 Industrials 13.82%
5 Financials 13.22%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
ATVI
151
DELISTED
Activision Blizzard
ATVI
$29.3M 0.12%
643,371
+122,628
+24% +$5.54M
LAUR icon
152
Laureate Education
LAUR
$5.05B
$28.3M 0.12%
1,891,238
+240,191
+15% +$3.64M
A icon
153
Agilent Technologies
A
$42.2B
$28.3M 0.12%
351,452
-14,466
-4% -$1.1M
YUMC icon
154
Yum China
YUMC
$16.3B
$28.1M 0.12%
+626,735
New +$24.7M
ESE icon
155
ESCO Technologies
ESE
$7.65B
$28M 0.12%
417,689
+57,742
+16% +$3.87M
NTB icon
156
Bank of N.T. Butterfield & Son
NTB
$2.49B
$27.9M 0.12%
778,955
-30,963
-4% -$1.11M
ABT icon
157
Abbott
ABT
$190B
$27.5M 0.12%
344,564
+45,165
+15% +$3.36M
DLB icon
158
Dolby
DLB
$5.75B
$27.5M 0.12%
436,767
+87,086
+25% +$5.56M
FITB
159
Fifth Third Bancorp
FITB
$52.2B
$27.5M 0.12%
1,088,812
-355,954
-25% -$9.48M
IDXX icon
160
Idexx Laboratories
IDXX
$46.2B
$27.4M 0.12%
122,333
+69,588
+132% +$14.4M
ERF
161
DELISTED
Enerplus Corporation
ERF
$27.3M 0.11%
3,255,806
-304,064
-9% -$2.61M
MNST icon
162
Monster Beverage
MNST
$89.2B
$26.9M 0.11%
1,968,080
-47,088
-2% -$671K
ALLE icon
163
Allegion
ALLE
$14.3B
$26.5M 0.11%
292,375
+995
+0.3% +$86.6K
ROST icon
164
Ross Stores
ROST
$80.8B
$26.3M 0.11%
282,751
-35,930
-11% -$3.3M
PGR icon
165
Progressive
PGR
$123B
$26.2M 0.11%
362,797
-154,568
-30% -$10.6M
INFY icon
166
Infosys
INFY
$51B
$26M 0.11%
2,383,434
-390,908
-14% -$4.14M
ITGR icon
167
Integer Holdings
ITGR
$4.25B
$25.5M 0.11%
338,678
-32,432
-9% -$2.65M
IDA icon
168
Idacorp
IDA
$8.11B
$25.5M 0.11%
256,395
+213
+0.1% +$20.7K
GPN icon
169
Global Payments
GPN
$22.7B
$25.3M 0.11%
185,501
-6,897
-4% -$837K
HR
170
DELISTED
Healthcare Realty Trust Incorporated
HR
$25M 0.11%
779,758
-34,833
-4% -$1.09M
AGYS icon
171
Agilysys
AGYS
$3.01B
$25M 0.11%
1,179,416
+94,595
+9% +$1.75M
AJG icon
172
Arthur J. Gallagher & Co
AJG
$65B
$24.8M 0.1%
317,764
-21,753
-6% -$1.68M
CXP
173
DELISTED
COLUMBIA PROPERTY TRUST, INC.
CXP
$24.4M 0.1%
1,084,525
+120,927
+13% +$2.61M
JJSF icon
174
J&J Snack Foods
JJSF
$1.68B
$24.2M 0.1%
152,210
-6,629
-4% -$1.01M
TTWO icon
175
Take-Two Interactive
TTWO
$46.8B
$24M 0.1%
253,864
+140,633
+124% +$13.6M
5 6
7
8 9

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William Blair Investment Management's Q1 2019 Portfolio in Review

As of Q1 2019, William Blair Investment Management held 441 positions worth $23.8B, up 18% from $20.1B the previous quarter. Its ten largest holdings account for 20% of the portfolio.

William Blair Investment Management's Q1 2019 filing shows 37 new, 142 increased, 223 reduced and 35 closed positions. Its largest new stake was Steris: 803,400 shares worth $103M. The largest sale was Six Flags Entertainment Corp., an estimated $151M.

By sector, the portfolio is most concentrated in Technology at 17% of assets, up from 16% a quarter earlier, followed by Consumer Discretionary and Healthcare.

  • William Blair Investment Management's largest Q1 2019 buy was Steris: 803,400 shares worth $103M.
  • William Blair Investment Management added most to Check Point Software Technologies in Q1 2019, an estimated $181M increase.
  • William Blair Investment Management's biggest Q1 2019 reduction was WW International, cutting an estimated $59M.
  • William Blair Investment Management fully exited Six Flags Entertainment Corp. in Q1 2019, selling an estimated $151M.
  • William Blair Investment Management's ten largest holdings make up 20% of its $23.8B portfolio in Q1 2019.
  • William Blair Investment Management opened 37 new positions and closed 35 in Q1 2019.
  • William Blair Investment Management's portfolio value rose 18% quarter-over-quarter to $23.8B.

Based on William Blair Investment Management's 13F filing for Q1 2019, filed 10 May 2019.