We are live on ! Find out more
William Blair Investment Management

William Blair Investment Management Portfolio holdings

AUM $33.3B
1-Year Est. Return 44.76%
This Fund
S&P 500
This Quarter Est. Return
+5.95%
1 Year Est. Return
+44.76%
3 Year Est. Return
+140.8%
5 Year Est. Return
+166.51%
10 Year Est. Return
+978.6%
AUM
$26.2B
AUM Growth
+$458M
Cap. Flow
-$585M
Cap. Flow %
-2.23%
Top 10 Hldgs %
18.81%
Holding
469
New
42
Increased
160
Reduced
224
Closed
36

Sector Composition

Rank Sector Weight
1 Technology 14.91%
2 Financials 14.73%
3 Consumer Discretionary 14.13%
4 Industrials 13.07%
5 Healthcare 12.8%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
THG icon
176
Hanover Insurance
THG
$7.73B
$31.8M 0.12%
269,559
-6,881
-2% -$773K
NEE icon
177
NextEra Energy
NEE
$179B
$31.5M 0.12%
770,616
-138,540
-15% -$5.34M
CAG icon
178
Conagra Brands
CAG
$7.14B
$31M 0.12%
+841,733
New +$31M
RDN icon
179
Radian Group
RDN
$4.86B
$30.6M 0.12%
1,605,494
-57,148
-3% -$1.2M
CNQ icon
180
Canadian Natural Resources
CNQ
$98.1B
$30.4M 0.12%
1,978,692
+22,427
+1% +$360K
CXO
181
DELISTED
CONCHO RESOURCES INC.
CXO
$30.1M 0.11%
200,177
-339,915
-63% -$51.8M
BRC icon
182
Brady Corp
BRC
$4.48B
$30M 0.11%
808,371
-85,743
-10% -$3.26M
LUV icon
183
Southwest Airlines
LUV
$22.3B
$29.6M 0.11%
517,558
-149,150
-22% -$8.96M
HWC icon
184
Hancock Whitney
HWC
$6.28B
$29.5M 0.11%
571,089
-20,395
-3% -$1.09M
JNK icon
185
State Street SPDR Bloomberg High Yield Bond ETF
JNK
$7.3B
$29.5M 0.11%
273,833
+4,800
+2% +$523K
EWJ icon
186
iShares MSCI Japan ETF
EWJ
$22.7B
$29.2M 0.11%
481,400
-22,500
-4% -$1.38M
WSO icon
187
Watsco Inc
WSO
$13.2B
$28.8M 0.11%
159,177
-3,615
-2% -$627K
MTD icon
188
Mettler-Toledo International
MTD
$28.8B
$28.8M 0.11%
50,091
+4,669
+10% +$2.94M
XLE icon
189
State Street Energy Select Sector SPDR ETF
XLE
$39.8B
$28.4M 0.11%
843,500
-724,300
-46% -$25.6M
IDA icon
190
Idacorp
IDA
$8.11B
$28M 0.11%
317,573
-44,241
-12% -$3.73M
SINA
191
DELISTED
Sina Corp
SINA
$27.8M 0.11%
266,618
-43,428
-14% -$4.98M
AZUL
192
DELISTED
Azul
AZUL
$27.6M 0.11%
+793,046
New +$23.3M
ITGR icon
193
Integer Holdings
ITGR
$4.25B
$27.1M 0.1%
478,713
-24,946
-5% -$1.26M
ATHM icon
194
Autohome
ATHM
$2.65B
$27.1M 0.1%
314,858
+8,523
+3% +$696K
STL
195
DELISTED
Sterling Bancorp
STL
$26.9M 0.1%
1,192,271
-37,663
-3% -$922K
KLXI
196
DELISTED
KLX Inc.
KLXI
$26.9M 0.1%
+448,157
New +$26.2M
WAL icon
197
Western Alliance Bancorporation
WAL
$8.89B
$26.7M 0.1%
459,300
-13,989
-3% -$828K
WSFS icon
198
WSFS Financial
WSFS
$4.14B
$26.1M 0.1%
545,870
-19,516
-3% -$965K
CNMD icon
199
CONMED
CNMD
$1.48B
$26.1M 0.1%
412,591
-14,417
-3% -$861K
FNB icon
200
FNB Corp
FNB
$6.8B
$25.8M 0.1%
1,918,649
-59,942
-3% -$851K

Similar funds

William Blair Investment Management's Q1 2018 Portfolio in Review

As of Q1 2018, William Blair Investment Management held 469 positions worth $26.2B, up 1.8% from $25.7B the previous quarter. Its ten largest holdings account for 19% of the portfolio.

William Blair Investment Management's Q1 2018 filing shows 42 new, 160 increased, 224 reduced and 36 closed positions. Its largest new stake was Healthcare Services Group: 3,458,904 shares worth $150M. The largest sale was Maximus, an estimated $224M.

By sector, the portfolio is most concentrated in Technology at 15% of assets, up from 14% a quarter earlier, followed by Financials and Consumer Discretionary.

  • William Blair Investment Management's largest Q1 2018 buy was Healthcare Services Group: 3,458,904 shares worth $150M.
  • William Blair Investment Management added most to PARSLEY ENERGY INC in Q1 2018, an estimated $136M increase.
  • William Blair Investment Management's biggest Q1 2018 reduction was Canadian National Railway, cutting an estimated $212M.
  • William Blair Investment Management fully exited Maximus in Q1 2018, selling an estimated $224M.
  • William Blair Investment Management's ten largest holdings make up 19% of its $26.2B portfolio in Q1 2018.
  • William Blair Investment Management opened 42 new positions and closed 36 in Q1 2018.
  • William Blair Investment Management's portfolio value rose 1.8% quarter-over-quarter to $26.2B.

Based on William Blair Investment Management's 13F filing for Q1 2018, filed 14 May 2018.