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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

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
VRRM icon
176
Verra Mobility
VRRM
$726M
$23.6M 0.1%
1,646,212
+17,479
+1% +$243K
GOOG icon
177
Alphabet (Google) Class C
GOOG
$4.19T
$23.6M 0.1%
387,560
-13,520
-3% -$800K
GBCI icon
178
Glacier Bancorp
GBCI
$6.39B
$22.8M 0.1%
564,042
-1,949
-0.3% -$77.9K
AON icon
179
Aon
AON
$75.6B
$22.4M 0.1%
115,945
-4,019
-3% -$776K
ADSK icon
180
Autodesk
ADSK
$53.1B
$22.4M 0.1%
151,820
+945
+0.6% +$147K
HNGR
181
DELISTED
Hanger Inc.
HNGR
$22.4M 0.1%
1,098,739
-11,670
-1% -$219K
AGYS icon
182
Agilysys
AGYS
$3.01B
$22.3M 0.1%
870,064
-286,980
-25% -$7.3M
IDA icon
183
Idacorp
IDA
$8.11B
$22M 0.09%
195,456
-11,213
-5% -$1.19M
WAL icon
184
Western Alliance Bancorporation
WAL
$8.89B
$21.7M 0.09%
470,153
-9,384
-2% -$424K
LRCX icon
185
Lam Research
LRCX
$390B
$21.6M 0.09%
+936,080
New +$19.7M
IFS icon
186
Intercorp Financial Services
IFS
$6.35B
$21.5M 0.09%
+521,095
New +$21.4M
SIGI icon
187
Selective Insurance
SIGI
$5.6B
$21.1M 0.09%
280,973
-18,072
-6% -$1.39M
COLD icon
188
Americold
COLD
$4.13B
$20.9M 0.09%
562,713
-35,981
-6% -$1.27M
AGX icon
189
Argan
AGX
$8.11B
$20.8M 0.09%
528,376
+21,590
+4% +$872K
ILMN icon
190
Illumina
ILMN
$29.1B
$20.7M 0.09%
70,091
+339
+0.5% +$99.9K
RDN icon
191
Radian Group
RDN
$4.86B
$20.7M 0.09%
905,128
-58,311
-6% -$1.35M
LHCG
192
DELISTED
LHC Group LLC
LHCG
$20.5M 0.09%
180,903
+4,356
+2% +$525K
MCD icon
193
McDonald's
MCD
$194B
$20.4M 0.09%
94,945
-3,289
-3% -$705K
MNST icon
194
Monster Beverage
MNST
$89.2B
$20.4M 0.09%
1,403,472
-549,860
-28% -$8.33M
FL
195
DELISTED
Foot Locker
FL
$20M 0.09%
463,533
+105,476
+29% +$4.25M
LXFR icon
196
Luxfer Holdings
LXFR
$457M
$19.9M 0.09%
1,277,777
+82,076
+7% +$1.51M
AIN icon
197
Albany International
AIN
$1.79B
$19.8M 0.08%
220,036
+10,309
+5% +$856K
HWC icon
198
Hancock Whitney
HWC
$6.28B
$19.8M 0.08%
516,674
+5,249
+1% +$200K
AWI icon
199
Armstrong World Industries
AWI
$7.89B
$19.7M 0.08%
203,776
+3,338
+2% +$322K
HIW icon
200
Highwoods Properties
HIW
$3.4B
$19.7M 0.08%
438,343
-28,820
-6% -$1.26M

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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.