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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
+6.55%
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
$25.7B
AUM Growth
-$2.19B
Cap. Flow
-$3.7B
Cap. Flow %
-14.37%
Top 10 Hldgs %
17.87%
Holding
463
New
30
Increased
148
Reduced
245
Closed
36

Top Sells

Rank Stock Value
1
WP
Worldpay, Inc.
WP
+$346M
2
SBAC icon
SBA Communications
SBAC
+$258M
3
CNC icon
Centene
CNC
+$212M
4
ALGN icon
Align Technology
ALGN
+$207M
5
BABA icon
Alibaba
BABA
+$194M

Sector Composition

Rank Sector Weight
1 Financials 14.64%
2 Consumer Discretionary 14.51%
3 Technology 13.93%
4 Industrials 13.62%
5 Healthcare 11.44%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
CNQ icon
176
Canadian Natural Resources
CNQ
$97.2B
$34.3M 0.13%
1,956,265
-11,457
-0.6% -$192K
RDN icon
177
Radian Group
RDN
$4.91B
$34.3M 0.13%
1,662,642
-16,364
-1% -$337K
BRC icon
178
Brady Corp
BRC
$4.58B
$33.9M 0.13%
894,114
+48,388
+6% +$1.86M
IDA icon
179
Idacorp
IDA
$8.11B
$33.1M 0.13%
361,814
+74,415
+26% +$6.95M
ORBK
180
DELISTED
Orbotech Ltd
ORBK
$32.5M 0.13%
647,517
-2,166
-0.3% -$105K
SYK icon
181
Stryker
SYK
$131B
$32.4M 0.13%
+209,385
New +$31.9M
SWX icon
182
Southwest Gas
SWX
$6.61B
$31.6M 0.12%
+393,038
New +$31.9M
APTV icon
183
Aptiv
APTV
$10.1B
$31.2M 0.12%
+367,655
New +$35M
SINA
184
DELISTED
Sina Corp
SINA
$31.1M 0.12%
310,046
-46,941
-13% -$5.01M
OGS icon
185
ONE Gas
OGS
$5B
$31M 0.12%
422,677
+56,443
+15% +$4.28M
WWW icon
186
Wolverine World Wide
WWW
$1.54B
$30.6M 0.12%
960,867
-7,968
-0.8% -$230K
LRCX icon
187
Lam Research
LRCX
$384B
$30.5M 0.12%
1,657,020
-241,900
-13% -$4.75M
STL
188
DELISTED
Sterling Bancorp
STL
$30.3M 0.12%
1,229,934
+398,890
+48% +$9.88M
EWJ icon
189
iShares MSCI Japan ETF
EWJ
$22.7B
$30.2M 0.12%
503,900
-26,900
-5% -$1.58M
DAN icon
190
Dana Inc
DAN
$3.2B
$30M 0.12%
937,382
-146,665
-14% -$4.51M
THG icon
191
Hanover Insurance
THG
$7.92B
$29.9M 0.12%
276,440
+3,973
+1% +$410K
JNK icon
192
State Street SPDR Bloomberg High Yield Bond ETF
JNK
$7.3B
$29.6M 0.12%
269,033
+2,333
+0.9% +$258K
HWC icon
193
Hancock Whitney
HWC
$6.23B
$29.3M 0.11%
591,484
-2,902
-0.5% -$143K
CRM icon
194
Salesforce
CRM
$160B
$29.2M 0.11%
285,554
-41,666
-13% -$4.25M
TEO icon
195
Telecom Argentina
TEO
$6.28B
$28.8M 0.11%
786,395
+730,451
+1,306% +$25.1M
TEX icon
196
Terex
TEX
$7.63B
$28.4M 0.11%
589,509
-23,114
-4% -$1.06M
CBPX
197
DELISTED
CONTINENTAL BUILDING PRODUCTS, INC.
CBPX
$28.4M 0.11%
1,008,108
-11,364
-1% -$308K
MTD icon
198
Mettler-Toledo International
MTD
$28.8B
$28.1M 0.11%
45,422
-185,177
-80% -$118M
IPHI
199
DELISTED
INPHI CORPORATION
IPHI
$28.1M 0.11%
766,792
-42,930
-5% -$1.68M
PLAY icon
200
Dave & Buster's
PLAY
$346M
$27.8M 0.11%
+504,009
New +$25.7M

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William Blair Investment Management's Q4 2017 Portfolio in Review

As of Q4 2017, William Blair Investment Management held 463 positions worth $25.7B, down 7.9% from $27.9B the previous quarter. Its ten largest holdings account for 18% of the portfolio.

William Blair Investment Management withdrew a net $3.7B in Q4 2017, closing 36 positions and reducing 245 holdings. Its most notable exit was Worldpay, Inc., an estimated $346M position sold in full.

By sector, the portfolio is most concentrated in Financials at 15% of assets, up from 13% a quarter earlier, followed by Consumer Discretionary and Technology.

Against the trend, William Blair Investment Management opened a new position in Teledyne Technologies worth $121M.

  • William Blair Investment Management's largest Q4 2017 buy was Teledyne Technologies: 669,495 shares worth $121M.
  • William Blair Investment Management added most to State Street SPDR S&P 500 ETF Trust in Q4 2017, an estimated $206M increase.
  • William Blair Investment Management's biggest Q4 2017 reduction was SBA Communications, cutting an estimated $258M.
  • William Blair Investment Management fully exited Worldpay, Inc. in Q4 2017, selling an estimated $346M.
  • William Blair Investment Management's ten largest holdings make up 18% of its $25.7B portfolio in Q4 2017.
  • William Blair Investment Management opened 30 new positions and closed 36 in Q4 2017.
  • William Blair Investment Management's portfolio value fell 7.9% quarter-over-quarter to $25.7B.

Based on William Blair Investment Management's 13F filing for Q4 2017, filed 14 Feb 2018.