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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
UNP icon
126
Union Pacific
UNP
$174B
$62.8M 0.22%
385,954
+50,081
+15% +$7.54M
VMC icon
127
Vulcan Materials
VMC
$37.3B
$62.8M 0.22%
564,331
+2,017
+0.4% +$234K
HD icon
128
Home Depot
HD
$353B
$62.7M 0.22%
302,741
-2,141
-0.7% -$431K
INTU icon
129
Intuit
INTU
$92B
$62.3M 0.22%
274,001
-7,760
-3% -$1.67M
BA icon
130
Boeing
BA
$184B
$61.6M 0.21%
165,536
-1,060
-0.6% -$372K
WB icon
131
Weibo
WB
$1.93B
$61.2M 0.21%
837,226
-144,707
-15% -$11.6M
ATHM icon
132
Autohome
ATHM
$2.65B
$60.8M 0.21%
785,668
-25,777
-3% -$2.27M
MCD icon
133
McDonald's
MCD
$194B
$58.9M 0.2%
351,858
-9,819
-3% -$1.57M
LQD icon
134
iShares iBoxx $ Investment Grade Corporate Bond ETF
LQD
$32.6B
$58.2M 0.2%
506,300
-46,900
-8% -$5.41M
GOOG icon
135
Alphabet (Google) Class C
GOOG
$4.19T
$58.1M 0.2%
974,260
-106,720
-10% -$6.39M
XYL icon
136
Xylem
XYL
$28.8B
$57.3M 0.2%
717,898
-1,688
-0.2% -$126K
BLK icon
137
Blackrock
BLK
$178B
$57.1M 0.2%
121,094
-777
-0.6% -$378K
PYPL icon
138
PayPal
PYPL
$50.5B
$56.8M 0.2%
647,041
+50,555
+8% +$4.45M
WAB icon
139
Wabtec
WAB
$50.3B
$56.1M 0.19%
534,808
-122,860
-19% -$13.2M
BSAC icon
140
Banco Santander Chile
BSAC
$16.5B
$54.6M 0.19%
1,707,427
+108,195
+7% +$3.41M
NFLX icon
141
Netflix
NFLX
$311B
$52.4M 0.18%
1,400,420
+136,190
+11% +$4.94M
ABEV icon
142
Ambev
ABEV
$43.9B
$52.3M 0.18%
11,447,249
+2,882,298
+34% +$13.7M
SABR icon
143
Sabre
SABR
$803M
$52.2M 0.18%
2,000,030
+92,845
+5% +$2.38M
SCCO icon
144
Southern Copper
SCCO
$164B
$51.3M 0.18%
1,296,928
+345,615
+36% +$14M
ANET icon
145
Arista Networks
ANET
$250B
$51.2M 0.18%
3,083,104
+2,951,120
+2,236% +$50.2M
SBAC icon
146
SBA Communications
SBAC
$19.3B
$50.2M 0.17%
312,459
-323,305
-51% -$51.5M
NTES icon
147
NetEase
NTES
$81.9B
$49.6M 0.17%
1,086,165
+80
+0% +$3.68K
CRM icon
148
Salesforce
CRM
$162B
$49.5M 0.17%
311,258
-1,997
-0.6% -$296K
BZUN
149
Baozun
BZUN
$169M
$49.5M 0.17%
1,018,194
-453,495
-31% -$24.6M
AAMI
150
Acadian Asset Management
AAMI
$3.25B
$49.3M 0.17%
3,978,643
+205,471
+5% +$2.7M

Similar funds

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.