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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
+10.66%
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
$26.5B
AUM Growth
+$1.43B
Cap. Flow
-$525M
Cap. Flow %
-1.98%
Top 10 Hldgs %
15.7%
Holding
479
New
44
Increased
158
Reduced
220
Closed
47

Top Buys

Rank Stock Value
1
BABA icon
Alibaba
BABA
+$316M
2
TCOM icon
Trip.com Group
TCOM
+$140M
3
BWXT icon
BWX Technologies
BWXT
+$116M
4
UNH icon
UnitedHealth
UNH
+$102M
5
MTN icon
Vail Resorts
MTN
+$101M

Top Sells

Rank Stock Value
1
TD icon
Toronto Dominion Bank
TD
+$254M
2
TDG icon
TransDigm Group
TDG
+$202M
3
MJN
Mead Johnson Nutrition Company
MJN
+$192M
4
AKAM icon
Akamai
AKAM
+$157M
5
DG icon
Dollar General
DG
+$128M

Sector Composition

Rank Sector Weight
1 Consumer Discretionary 15.46%
2 Industrials 13.64%
3 Financials 13.02%
4 Healthcare 11.83%
5 Technology 10.92%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
P
151
DELISTED
Pandora Media Inc
P
$44.9M 0.17%
3,799,795
+232,301
+7% +$2.92M
VIRT icon
152
Virtu Financial
VIRT
$4.94B
$43.4M 0.16%
2,555,050
-91,197
-3% -$1.58M
TMO icon
153
Thermo Fisher Scientific
TMO
$221B
$40.5M 0.15%
263,986
-6,422
-2% -$982K
CRZO
154
DELISTED
Carrizo Oil & Gas Inc
CRZO
$40.5M 0.15%
1,413,198
+102,673
+8% +$3.37M
PAM icon
155
Pampa Energía
PAM
$4.44B
$39.7M 0.15%
733,025
+428,429
+141% +$19.7M
BSAC icon
156
Banco Santander Chile
BSAC
$16.7B
$38.7M 0.15%
1,544,962
-26,451
-2% -$598K
BSX icon
157
Boston Scientific
BSX
$73.5B
$38.5M 0.15%
1,550,025
-37,986
-2% -$924K
FM
158
DELISTED
iShares Frontier and Select EM ETF
FM
$38.5M 0.15%
1,389,050
-206,085
-13% -$5.67M
FITB
159
Fifth Third Bancorp
FITB
$51.7B
$38.2M 0.14%
1,502,376
-25,167
-2% -$671K
EDU icon
160
New Oriental
EDU
$9.18B
$36.6M 0.14%
606,113
-362,232
-37% -$18.4M
WIX icon
161
WIX.com
WIX
$2.59B
$36.4M 0.14%
+535,521
New +$31.5M
PRGO icon
162
Perrigo
PRGO
$1.74B
$36.3M 0.14%
547,487
+39,085
+8% +$2.97M
HON icon
163
Honeywell
HON
$76.9B
$35.7M 0.14%
316,874
-7,743
-2% -$855K
BC icon
164
Brunswick
BC
$5.22B
$35.6M 0.13%
581,256
+202,427
+53% +$12M
BMA icon
165
Banco Macro
BMA
$5.37B
$35.2M 0.13%
406,520
+96,884
+31% +$7.7M
ASR icon
166
Grupo Aeroportuario del Sureste
ASR
$8.23B
$35.2M 0.13%
203,410
-29,688
-13% -$4.59M
WSO icon
167
Watsco Inc
WSO
$13.4B
$34.5M 0.13%
241,082
+29,423
+14% +$4.41M
IPHI
168
DELISTED
INPHI CORPORATION
IPHI
$32.2M 0.12%
659,266
-59,076
-8% -$2.76M
SINA
169
DELISTED
Sina Corp
SINA
$31.9M 0.12%
+442,253
New +$31.3M
JNK icon
170
State Street SPDR Bloomberg High Yield Bond ETF
JNK
$7.29B
$30.9M 0.12%
279,267
-482,100
-63% -$53.2M
RDN icon
171
Radian Group
RDN
$4.86B
$30.4M 0.11%
1,692,740
-6,876
-0.4% -$127K
EWJ icon
172
iShares MSCI Japan ETF
EWJ
$22.7B
$29.9M 0.11%
580,600
-74,775
-11% -$3.82M
APOG icon
173
Apogee Enterprises
APOG
$885M
$29M 0.11%
486,888
-12,030
-2% -$689K
WAL icon
174
Western Alliance Bancorporation
WAL
$8.78B
$28.8M 0.11%
586,157
-2,327
-0.4% -$117K
AGN
175
DELISTED
Allergan plc
AGN
$28.6M 0.11%
119,784
-10,108
-8% -$2.35M
5 6
7
8 9

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William Blair Investment Management's Q1 2017 Portfolio in Review

As of Q1 2017, William Blair Investment Management held 479 positions worth $26.5B, up 5.7% from $25B the previous quarter. Its ten largest holdings account for 16% of the portfolio.

William Blair Investment Management's Q1 2017 filing shows 44 new, 158 increased, 220 reduced and 47 closed positions. Its largest new stake was Michaels Stores, Inc: 4,240,011 shares worth $94.9M. The largest sale was Toronto Dominion Bank, an estimated $254M.

By sector, the portfolio is most concentrated in Consumer Discretionary at 15% of assets, up from 12% a quarter earlier, followed by Industrials and Financials.

  • William Blair Investment Management's largest Q1 2017 buy was Michaels Stores, Inc: 4,240,011 shares worth $94.9M.
  • William Blair Investment Management added most to Alibaba in Q1 2017, an estimated $316M increase.
  • William Blair Investment Management's biggest Q1 2017 reduction was Toronto Dominion Bank, cutting an estimated $254M.
  • William Blair Investment Management fully exited Mead Johnson Nutrition Company in Q1 2017, selling an estimated $192M.
  • William Blair Investment Management's ten largest holdings make up 16% of its $26.5B portfolio in Q1 2017.
  • William Blair Investment Management opened 44 new positions and closed 47 in Q1 2017.
  • William Blair Investment Management's portfolio value rose 5.7% quarter-over-quarter to $26.5B.

Based on William Blair Investment Management's 13F filing for Q1 2017, filed 10 May 2017.