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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
+8.82%
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
$27.9B
AUM Growth
+$434M
Cap. Flow
-$1.39B
Cap. Flow %
-4.97%
Top 10 Hldgs %
16.81%
Holding
485
New
38
Increased
170
Reduced
217
Closed
52

Top Buys

Rank Stock Value
1
RCI icon
Rogers Communications
RCI
+$124M
2
WEX icon
WEX
WEX
+$108M
3
DXCM icon
DexCom
DXCM
+$100M
4
TSM icon
TSMC
TSM
+$99.8M
5
YELP icon
Yelp
YELP
+$93.8M

Top Sells

Rank Stock Value
1
ORLY icon
O'Reilly Automotive
ORLY
+$155M
2
SBNY
Signature Bank
SBNY
+$152M
3
ODFL icon
Old Dominion Freight Line
ODFL
+$132M
4
BABA icon
Alibaba
BABA
+$128M
5
SPY icon
State Street SPDR S&P 500 ETF Trust
SPY
+$119M

Sector Composition

Rank Sector Weight
1 Consumer Discretionary 15.32%
2 Industrials 13.97%
3 Financials 13.47%
4 Technology 12.68%
5 Healthcare 12.14%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
CNQ icon
176
Canadian Natural Resources
CNQ
$97.8B
$32.2M 0.12%
1,967,722
+859,004
+77% +$13.2M
IPHI
177
DELISTED
INPHI CORPORATION
IPHI
$32.1M 0.12%
809,722
+67,395
+9% +$2.53M
BRC icon
178
Brady Corp
BRC
$4.57B
$32.1M 0.11%
845,726
+203,284
+32% +$6.93M
SIGI icon
179
Selective Insurance
SIGI
$5.64B
$31.7M 0.11%
589,584
+9,659
+2% +$491K
SHOP icon
180
Shopify
SHOP
$198B
$31.6M 0.11%
+2,710,450
New +$27.7M
RDN icon
181
Radian Group
RDN
$4.82B
$31.4M 0.11%
1,679,006
-3,301
-0.2% -$57.2K
CRM icon
182
Salesforce
CRM
$162B
$30.6M 0.11%
327,220
-4,300
-1% -$396K
DAN icon
183
Dana Inc
DAN
$3.2B
$30.3M 0.11%
1,084,047
-2,275
-0.2% -$55.2K
JNK icon
184
State Street SPDR Bloomberg High Yield Bond ETF
JNK
$7.29B
$29.9M 0.11%
266,700
-13,267
-5% -$1.48M
MMYT icon
185
MakeMyTrip
MMYT
$5.73B
$29.8M 0.11%
1,035,207
+284,487
+38% +$9.1M
EWJ icon
186
iShares MSCI Japan ETF
EWJ
$22.7B
$29.6M 0.11%
530,800
-51,400
-9% -$2.8M
HWC icon
187
Hancock Whitney
HWC
$6.21B
$28.8M 0.1%
594,386
+2,618
+0.4% +$120K
CRZO
188
DELISTED
Carrizo Oil & Gas Inc
CRZO
$28.7M 0.1%
1,673,885
+134,824
+9% +$1.97M
DESP
189
DELISTED
Despegar.com
DESP
$28.4M 0.1%
+887,425
New +$28.3M
WWW icon
190
Wolverine World Wide
WWW
$1.54B
$28M 0.1%
968,835
-1,853
-0.2% -$50.3K
FNB icon
191
FNB Corp
FNB
$6.72B
$27.8M 0.1%
1,984,855
+36,710
+2% +$490K
WSFS icon
192
WSFS Financial
WSFS
$4.11B
$27.8M 0.1%
570,715
-1,109
-0.2% -$50K
IBN icon
193
ICICI Bank
IBN
$108B
$27.7M 0.1%
3,232,758
+880,862
+37% +$8.05M
TEX icon
194
Terex
TEX
$7.56B
$27.6M 0.1%
612,623
+178,617
+41% +$7.07M
ORBK
195
DELISTED
Orbotech Ltd
ORBK
$27.4M 0.1%
649,683
-134,170
-17% -$5.12M
FAST icon
196
Fastenal
FAST
$59.7B
$27.3M 0.1%
2,395,076
-33,168
-1% -$357K
BDC icon
197
Belden
BDC
$5.24B
$27.2M 0.1%
338,287
-622
-0.2% -$47K
OGS icon
198
ONE Gas
OGS
$4.98B
$27M 0.1%
366,234
+33,991
+10% +$2.49M
CBPX
199
DELISTED
CONTINENTAL BUILDING PRODUCTS, INC.
CBPX
$26.5M 0.09%
1,019,472
+271,666
+36% +$6.27M
THG icon
200
Hanover Insurance
THG
$7.87B
$26.4M 0.09%
272,467
+7,760
+3% +$738K
6 7
8
9 10

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William Blair Investment Management's Q3 2017 Portfolio in Review

As of Q3 2017, William Blair Investment Management held 485 positions worth $27.9B, up 1.6% from $27.5B the previous quarter. Its ten largest holdings account for 17% of the portfolio.

William Blair Investment Management withdrew a net $1.39B in Q3 2017, closing 52 positions and reducing 217 holdings. Its most notable exit was Amedisys, an estimated $91.9M position sold in full.

By sector, the portfolio is most concentrated in Consumer Discretionary at 15% of assets, down from 16% a quarter earlier, followed by Industrials and Financials.

Against the trend, William Blair Investment Management opened a new position in Rogers Communications worth $125M.

  • William Blair Investment Management's largest Q3 2017 buy was Rogers Communications: 2,429,600 shares worth $125M.
  • William Blair Investment Management added most to TSMC in Q3 2017, an estimated $99.8M increase.
  • William Blair Investment Management's biggest Q3 2017 reduction was O'Reilly Automotive, cutting an estimated $155M.
  • William Blair Investment Management fully exited Amedisys in Q3 2017, selling an estimated $91.9M.
  • William Blair Investment Management's ten largest holdings make up 17% of its $27.9B portfolio in Q3 2017.
  • William Blair Investment Management opened 38 new positions and closed 52 in Q3 2017.
  • William Blair Investment Management's portfolio value rose 1.6% quarter-over-quarter to $27.9B.

Based on William Blair Investment Management's 13F filing for Q3 2017, filed 13 Nov 2017.