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William Blair Investment Management

William Blair Investment Management Portfolio holdings

AUM $33.3B
1-Year Est. Return 44.76%
This Fund
S&P 500
This Quarter Est. Return
+13.65%
1 Year Est. Return
+44.76%
3 Year Est. Return
+140.8%
5 Year Est. Return
+166.51%
10 Year Est. Return
+978.6%
AUM
$25.7B
AUM Growth
+$1.1B
Cap. Flow
-$1.58B
Cap. Flow %
-6.14%
Top 10 Hldgs %
18.53%
Holding
367
New
26
Increased
146
Reduced
166
Closed
24

Top Buys

Rank Stock Value
1
AXON
Axon Enterprise
AXON
+$151M
2
RAMP icon
LiveRamp
RAMP
+$124M
3
GWRE icon
Guidewire Software
GWRE
+$115M
4
SE icon
Sea Limited
SE
+$102M
5
BLDR icon
Builders FirstSource
BLDR
+$89.9M

Top Sells

Rank Stock Value
1
NTES icon
NetEase
NTES
+$506M
2
CPRT icon
Copart
CPRT
+$136M
3
TSM icon
TSMC
TSM
+$125M
4
WEX icon
WEX
WEX
+$124M
5
BN icon
Brookfield
BN
+$123M

Sector Composition

Rank Sector Weight
1 Technology 26.05%
2 Healthcare 18.61%
3 Consumer Discretionary 13.78%
4 Industrials 13.27%
5 Financials 7.61%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
DEO icon
351
Diageo
DEO
$52.2B
– –
-22,140
Closed -$2.98M
EDU icon
352
New Oriental
EDU
$8.49B
– –
-40,838
Closed -$5.32M
EFA icon
353
iShares MSCI EAFE ETF
EFA
$80.2B
– –
-1,035
Closed -$63K
GOTU icon
354
Gaotu Techedu
GOTU
$410M
– –
-749,389
Closed -$45M
GPN icon
355
Global Payments
GPN
$23.4B
– –
-89,637
Closed -$15.2M
IEMG icon
356
iShares Core MSCI Emerging Markets ETF
IEMG
$158B
– –
-1,064,300
Closed -$50.7M
OII icon
357
Oceaneering
OII
$5.08B
– –
-496,462
Closed -$3.17M
PLNT icon
358
Planet Fitness
PLNT
$3.65B
– –
-1,880,517
Closed -$114M
QLYS icon
359
Qualys
QLYS
$6.47B
– –
-108,675
Closed -$11.3M
RELX icon
360
RELX
RELX
$60.2B
– –
-165,252
Closed -$3.89M
STRA icon
361
Strategic Education
STRA
$1.81B
– –
-42,202
Closed -$6.48M
TCOM icon
362
Trip.com Group
TCOM
$28.7B
– –
-23,056
Closed -$598K
TTC icon
363
Toro Company
TTC
$9.32B
– –
-85,653
Closed -$5.68M
WB icon
364
Weibo
WB
$1.91B
– –
-26,994
Closed -$907K
WCN
365
Waste Connections
WCN
$41.6B
– –
-151,368
Closed -$14.2M
ARCE
366
DELISTED
Arco Platform Limited Class A Common Shares
ARCE
– –
-391,352
Closed -$17M
HHR
367
DELISTED
HeadHunter Group PLC American Depositary Shares
HHR
– –
-180,181
Closed -$4.21M
11 12 13 14
15

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William Blair Investment Management's Q3 2020 Portfolio in Review

As of Q3 2020, William Blair Investment Management held 367 positions worth $25.7B, up 4.5% from $24.6B the previous quarter. Its ten largest holdings account for 19% of the portfolio.

William Blair Investment Management withdrew a net $1.58B in Q3 2020, closing 24 positions and reducing 166 holdings. Its most notable exit was Planet Fitness, an estimated $114M position sold in full.

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

Against the trend, William Blair Investment Management opened a new position in Axon Enterprise worth $157M.

  • William Blair Investment Management's largest Q3 2020 buy was Axon Enterprise: 1,734,820 shares worth $157M.
  • William Blair Investment Management added most to LiveRamp in Q3 2020, an estimated $124M increase.
  • William Blair Investment Management's biggest Q3 2020 reduction was NetEase, cutting an estimated $506M.
  • William Blair Investment Management fully exited Planet Fitness in Q3 2020, selling an estimated $114M.
  • William Blair Investment Management's ten largest holdings make up 19% of its $25.7B portfolio in Q3 2020.
  • William Blair Investment Management opened 26 new positions and closed 24 in Q3 2020.
  • William Blair Investment Management's portfolio value rose 4.5% quarter-over-quarter to $25.7B.

Based on William Blair Investment Management's 13F filing for Q3 2020, filed 6 Nov 2020.