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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
+1.57%
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
$23.4B
AUM Growth
-$452M
Cap. Flow
-$478M
Cap. Flow %
-2.05%
Top 10 Hldgs %
20.73%
Holding
398
New
26
Increased
153
Reduced
172
Closed
41

Top Buys

Rank Stock Value
1
IAA
IAA, Inc. Common Stock
IAA
+$134M
2
SPY icon
State Street SPDR S&P 500 ETF Trust
SPY
+$128M
3
WWE
World Wrestling Entertainment
WWE
+$112M
4
PFPT
Proofpoint, Inc.
PFPT
+$102M
5
PRSP
Perspecta Inc. Common Stock
PRSP
+$97.8M

Top Sells

Rank Stock Value
1
RCI icon
Rogers Communications
RCI
+$201M
2
CSGP icon
CoStar Group
CSGP
+$173M
3
CPRT icon
Copart
CPRT
+$156M
4
GWR
Genesee & Wyoming Inc.
GWR
+$147M
5
DPZ icon
Domino's
DPZ
+$137M

Sector Composition

Rank Sector Weight
1 Technology 20.24%
2 Healthcare 13.8%
3 Consumer Discretionary 13.77%
4 Industrials 13.46%
5 Financials 13.14%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
MCHP icon
151
Microchip Technology
MCHP
$44B
$28.5M 0.12%
613,808
+93,308
+18% +$4.23M
CYBR
152
DELISTED
CyberArk
CYBR
$28.5M 0.12%
285,404
-10,147
-3% -$1.22M
CRI icon
153
Carter's
CRI
$1.46B
$28.3M 0.12%
309,953
+118,553
+62% +$10.8M
DAR icon
154
Darling Ingredients
DAR
$9.84B
$28.2M 0.12%
1,472,826
-18,578
-1% -$363K
SBUX icon
155
Starbucks
SBUX
$122B
$28.2M 0.12%
318,448
-11,038
-3% -$1.02M
AJG icon
156
Arthur J. Gallagher & Co
AJG
$65B
$28.1M 0.12%
313,820
-48,775
-13% -$4.38M
WTS icon
157
Watts Water Technologies
WTS
$12.8B
$27.8M 0.12%
296,522
+112,049
+61% +$10.4M
GPN icon
158
Global Payments
GPN
$22.7B
$27.3M 0.12%
171,535
+1,170
+0.7% +$191K
HR
159
DELISTED
Healthcare Realty Trust Incorporated
HR
$27M 0.12%
804,513
-50,183
-6% -$1.64M
MXL icon
160
MaxLinear
MXL
$6.26B
$26.8M 0.11%
1,196,253
-1,870,620
-61% -$41.4M
AMD icon
161
Advanced Micro Devices
AMD
$774B
$26.7M 0.11%
919,728
+300,616
+49% +$9.43M
CNMD icon
162
CONMED
CNMD
$1.48B
$25.7M 0.11%
266,960
-53,775
-17% -$5.05M
XLP icon
163
State Street Consumer Staples Select Sector SPDR ETF
XLP
$14.6B
$25.5M 0.11%
415,000
-17,590
-4% -$1.06M
BLBD icon
164
Blue Bird Corp
BLBD
$2.1B
$25.2M 0.11%
1,322,520
-6,868
-0.5% -$131K
SBAC icon
165
SBA Communications
SBAC
$19.3B
$25M 0.11%
103,783
+38,680
+59% +$9.57M
PLOW icon
166
Douglas Dynamics
PLOW
$979M
$24.8M 0.11%
557,217
-9,679
-2% -$405K
INFY icon
167
Infosys
INFY
$51B
$24.8M 0.11%
2,180,339
-110,850
-5% -$1.25M
STNE icon
168
StoneCo
STNE
$2.42B
$24.8M 0.11%
+712,755
New +$23.8M
FTV icon
169
Fortive
FTV
$18.6B
$24.7M 0.11%
571,308
-147,787
-21% -$6.81M
FCN icon
170
FTI Consulting
FCN
$4.22B
$24.7M 0.11%
+232,621
New +$23.7M
TRNO icon
171
Terreno Realty
TRNO
$7.44B
$24.4M 0.1%
476,725
-29,619
-6% -$1.48M
PLD icon
172
Prologis
PLD
$133B
$24.2M 0.1%
283,676
+2,085
+0.7% +$172K
INTU icon
173
Intuit
INTU
$92B
$24.1M 0.1%
90,519
-37,882
-30% -$10.4M
BOOT icon
174
Boot Barn
BOOT
$5.02B
$24.1M 0.1%
689,635
+25,061
+4% +$834K
JJSF icon
175
J&J Snack Foods
JJSF
$1.68B
$23.9M 0.1%
124,606
-7,990
-6% -$1.45M
5 6
7
8 9

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William Blair Investment Management's Q3 2019 Portfolio in Review

As of Q3 2019, William Blair Investment Management held 398 positions worth $23.4B, down 1.9% from $23.8B the previous quarter. Its ten largest holdings account for 21% of the portfolio.

William Blair Investment Management's Q3 2019 filing shows 26 new, 153 increased, 172 reduced and 41 closed positions. Its largest new stake was IAA, Inc. Common Stock: 2,969,390 shares worth $124M. The largest sale was Rogers Communications, an estimated $201M.

By sector, the portfolio is most concentrated in Technology at 20% of assets, up from 18% a quarter earlier, followed by Healthcare and Consumer Discretionary.

  • William Blair Investment Management's largest Q3 2019 buy was IAA, Inc. Common Stock: 2,969,390 shares worth $124M.
  • William Blair Investment Management added most to State Street SPDR S&P 500 ETF Trust in Q3 2019, an estimated $128M increase.
  • William Blair Investment Management's biggest Q3 2019 reduction was CoStar Group, cutting an estimated $173M.
  • William Blair Investment Management fully exited Rogers Communications in Q3 2019, selling an estimated $201M.
  • William Blair Investment Management's ten largest holdings make up 21% of its $23.4B portfolio in Q3 2019.
  • William Blair Investment Management opened 26 new positions and closed 41 in Q3 2019.
  • William Blair Investment Management's portfolio value fell 1.9% quarter-over-quarter to $23.4B.

Based on William Blair Investment Management's 13F filing for Q3 2019, filed 12 Nov 2019.