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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
+7.98%
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
$31.9B
AUM Growth
+$988M
Cap. Flow
-$703M
Cap. Flow %
-2.21%
Top 10 Hldgs %
16.59%
Holding
479
New
112
Increased
100
Reduced
249
Closed
14

Top Buys

Rank Stock Value
1
FOXF icon
Fox Factory Holding Corp
FOXF
+$242M
2
WH icon
Wyndham Hotels & Resorts
WH
+$228M
3
DEN
Denbury Inc.
DEN
+$153M
4
BLDR icon
Builders FirstSource
BLDR
+$134M
5
RVLV icon
Revolve Group
RVLV
+$99.3M

Top Sells

Rank Stock Value
1
LOPE icon
Grand Canyon Education
LOPE
+$206M
2
ETSY icon
Etsy
ETSY
+$195M
3
AAP icon
Advance Auto Parts
AAP
+$192M
4
BJ icon
BJs Wholesale Club
BJ
+$151M
5
RAMP icon
LiveRamp
RAMP
+$125M

Sector Composition

Rank Sector Weight
1 Technology 25.66%
2 Healthcare 20.52%
3 Industrials 14.68%
4 Consumer Discretionary 14.22%
5 Financials 6.61%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
VRRM icon
126
Verra Mobility
VRRM
$726M
$70.6M 0.22%
4,595,221
-18,819
-0.4% -$273K
BOOT icon
127
Boot Barn
BOOT
$5.02B
$68.9M 0.22%
819,275
-160,193
-16% -$11.7M
FTV icon
128
Fortive
FTV
$18.6B
$67.8M 0.21%
1,290,245
-53,065
-4% -$2.86M
CPNG icon
129
Coupang
CPNG
$29.7B
$67.4M 0.21%
1,611,388
+439,855
+38% +$18M
WDAY icon
130
Workday
WDAY
$44.8B
$66.9M 0.21%
280,112
+9,489
+4% +$2.28M
MAR icon
131
Marriott International
MAR
$91.1B
$66.7M 0.21%
488,512
+153,965
+46% +$22.2M
APO icon
132
Apollo Global Management
APO
$80.8B
$62.3M 0.2%
1,001,402
-53,908
-5% -$2.99M
ALGN icon
133
Align Technology
ALGN
$12.3B
$59.9M 0.19%
98,090
+44,715
+84% +$26.5M
LXFR icon
134
Luxfer Holdings
LXFR
$457M
$59.2M 0.19%
2,660,163
-3,349
-0.1% -$72.8K
GOOS
135
Canada Goose Holdings
GOOS
$856M
$58.8M 0.18%
1,344,140
-41,691
-3% -$1.7M
TMO icon
136
Thermo Fisher Scientific
TMO
$224B
$58.1M 0.18%
115,208
-988
-0.9% -$466K
UNP icon
137
Union Pacific
UNP
$174B
$57.8M 0.18%
262,774
-2,538
-1% -$565K
HNGR
138
DELISTED
Hanger Inc.
HNGR
$57.6M 0.18%
2,279,744
-15,528
-0.7% -$387K
BLK icon
139
Blackrock
BLK
$178B
$56.9M 0.18%
65,019
-9,869
-13% -$8.34M
EWBC icon
140
East-West Bancorp
EWBC
$18.2B
$53.7M 0.17%
749,217
+45,652
+6% +$3.39M
CDXS icon
141
Codexis
CDXS
$159M
$53.1M 0.17%
2,343,878
-9,228
-0.4% -$200K
LMT icon
142
Lockheed Martin
LMT
$138B
$51.5M 0.16%
136,223
-19,817
-13% -$7.62M
LHCG
143
DELISTED
LHC Group LLC
LHCG
$50.9M 0.16%
253,930
+28,774
+13% +$5.77M
ICE icon
144
Intercontinental Exchange
ICE
$84.9B
$49.8M 0.16%
419,784
-4,544
-1% -$523K
OEC icon
145
Orion
OEC
$377M
$49.5M 0.16%
2,606,265
-13,192
-0.5% -$261K
CWST icon
146
Casella Waste Systems
CWST
$5.89B
$49.3M 0.15%
777,768
-18,039
-2% -$1.2M
ISRG icon
147
Intuitive Surgical
ISRG
$142B
$49.2M 0.15%
160,365
-1,671
-1% -$469K
NVDA icon
148
NVIDIA
NVDA
$5.27T
$49M 0.15%
+2,451,440
New +$39.3M
DCO icon
149
Ducommun
DCO
$2.98B
$48.6M 0.15%
891,448
-36,007
-4% -$2.05M
GOOG icon
150
Alphabet (Google) Class C
GOOG
$4.19T
$48.3M 0.15%
385,120
-12,360
-3% -$1.47M
4 5
6
7 8

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William Blair Investment Management's Q2 2021 Portfolio in Review

As of Q2 2021, William Blair Investment Management held 479 positions worth $31.9B, up 3.2% from $30.9B the previous quarter. Its ten largest holdings account for 17% of the portfolio.

William Blair Investment Management's Q2 2021 filing shows 112 new, 100 increased, 249 reduced and 14 closed positions. Its largest new stake was Fox Factory Holding Corp: 1,625,709 shares worth $253M. The largest sale was Grand Canyon Education, an estimated $206M.

By sector, the portfolio is most concentrated in Technology at 26% of assets, up from 25% a quarter earlier, followed by Healthcare and Industrials.

  • William Blair Investment Management's largest Q2 2021 buy was Fox Factory Holding Corp: 1,625,709 shares worth $253M.
  • William Blair Investment Management added most to Denbury Inc. in Q2 2021, an estimated $153M increase.
  • William Blair Investment Management's biggest Q2 2021 reduction was Grand Canyon Education, cutting an estimated $206M.
  • William Blair Investment Management fully exited Proofpoint, Inc. in Q2 2021, selling an estimated $118M.
  • William Blair Investment Management's ten largest holdings make up 17% of its $31.9B portfolio in Q2 2021.
  • William Blair Investment Management opened 112 new positions and closed 14 in Q2 2021.
  • William Blair Investment Management's portfolio value rose 3.2% quarter-over-quarter to $31.9B.

Based on William Blair Investment Management's 13F filing for Q2 2021, filed 12 Aug 2021.