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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 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
QDEL icon
326
QuidelOrtho
QDEL
$1.02B
$3.8M 0.01%
17,322
-529,353
-97% -$118M
IPG
327
DELISTED
Interpublic Group of Companies
IPG
$3.71M 0.01%
222,504
+18,856
+9% +$336K
IBN icon
328
ICICI Bank
IBN
$107B
$2.94M 0.01%
299,263
-7,507
-2% -$74.8K
XLU icon
329
State Street Utilities Select Sector SPDR ETF
XLU
$22.8B
$2.94M 0.01%
99,080
-11,000
-10% -$326K
WINA icon
330
Winmark
WINA
$1.24B
$2.58M 0.01%
+14,975
New +$2.41M
NXPI icon
331
NXP Semiconductors
NXPI
$58.9B
$2.49M 0.01%
19,958
VTWO icon
332
Vanguard Russell 2000 ETF
VTWO
$17.4B
$2.43M 0.01%
40,208
EWZ icon
333
iShares MSCI Brazil ETF
EWZ
$8.57B
$2.38M 0.01%
86,100
-4,400
-5% -$135K
INVX
334
Innovex International
INVX
$2.13B
$2.35M 0.01%
94,785
+8,101
+9% +$258K
TALO icon
335
Talos Energy
TALO
$2.59B
$2.25M 0.01%
348,172
+9,700
+3% +$71.1K
KMX icon
336
CarMax
KMX
$8.33B
$2.01M 0.01%
21,892
DCI icon
337
Donaldson
DCI
$11.2B
$1.95M 0.01%
41,919
RYAAY icon
338
Ryanair
RYAAY
$30.8B
$1.82M 0.01%
55,770
ERII icon
339
Energy Recovery
ERII
$397M
$1.69M 0.01%
+206,461
New +$1.66M
IWO icon
340
iShares Russell 2000 Growth ETF
IWO
$15B
$1.55M 0.01%
6,993
+1,012
+17% +$221K
IWP icon
341
iShares Russell Mid-Cap Growth ETF
IWP
$21B
$222K ﹤0.01%
2,570
-3,182
-55% -$269K
ELD icon
342
WisdomTree Emerging Markets Local Debt Fund
ELD
$143M
$47K ﹤0.01%
1,470
-1,030
-41% -$33.5K
EMB icon
343
iShares JPMorgan USD Emerging Markets Bond ETF
EMB
$14.9B
$47K ﹤0.01%
420
-340
-45% -$38.2K
CVSA
344
Covista Inc
CVSA
$4.36B
-241,124
Closed -$7.51M
AWI icon
345
Armstrong World Industries
AWI
$7.75B
-147,374
Closed -$11.5M
BLBD icon
346
Blue Bird Corp
BLBD
$2.04B
-1,220,056
Closed -$18.3M
BRO icon
347
Brown & Brown
BRO
$23.8B
-9,878
Closed -$403K
CBOE icon
348
Cboe Global Markets
CBOE
$30.4B
-79,111
Closed -$7.38M
CE icon
349
Celanese
CE
$4.75B
-57,968
Closed -$5M
CPK icon
350
Chesapeake Utilities
CPK
$3.25B
-6,905
Closed -$580K

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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.