We are live on ! Find out more
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
CNC icon
226
Centene
CNC
$33.1B
$14.3M 0.06%
245,848
-46,006
-16% -$2.86M
FORR icon
227
Forrester Research
FORR
$220M
$14.3M 0.06%
437,176
+14,805
+4% +$507K
LAUR icon
228
Laureate Education
LAUR
$5.1B
$14.2M 0.06%
1,071,663
-1,222,507
-53% -$14.7M
UNF icon
229
Unifirst Corp
UNF
$5.24B
$14.1M 0.05%
74,385
+10,678
+17% +$2M
SIGI icon
230
Selective Insurance
SIGI
$5.59B
$13.9M 0.05%
270,475
+22,758
+9% +$1.25M
STEP icon
231
StepStone Group
STEP
$3.96B
$13.8M 0.05%
+519,417
New +$13.3M
DECK icon
232
Deckers Outdoor
DECK
$12.4B
$13.7M 0.05%
373,644
+77,376
+26% +$2.68M
FOLD
233
DELISTED
Amicus Therapeutics
FOLD
$13.6M 0.05%
+965,763
New +$14.1M
USPH icon
234
US Physical Therapy
USPH
$1.22B
$13.6M 0.05%
+156,039
New +$13.4M
ZEN
235
DELISTED
ZENDESK INC
ZEN
$13.4M 0.05%
130,526
-1,637
-1% -$153K
TXNM
236
TXNM Energy Inc
TXNM
$5.91B
$13.2M 0.05%
318,926
+26,710
+9% +$1.11M
UPLD icon
237
Upland Software
UPLD
$14.9M
$13.1M 0.05%
+34,712
New +$12.5M
OGS icon
238
ONE Gas
OGS
$5.05B
$13M 0.05%
188,306
+15,884
+9% +$1.17M
SLGN icon
239
Silgan Holdings
SLGN
$4.3B
$12.9M 0.05%
350,034
+29,447
+9% +$1.08M
RNG icon
240
RingCentral
RNG
$5.25B
$12.6M 0.05%
+45,824
New +$12.7M
KC
241
Kingsoft Cloud Holdings
KC
$3.52B
$12.6M 0.05%
425,752
+209,704
+97% +$7.17M
PRCH icon
242
Porch Group
PRCH
$1.83B
$12.6M 0.05%
+1,129,410
New +$11.9M
JNK icon
243
State Street SPDR Bloomberg High Yield Bond ETF
JNK
$7.31B
$12.5M 0.05%
119,560
-8,280
-6% -$866K
ADC icon
244
Agree Realty
ADC
$9.25B
$12.3M 0.05%
193,653
+39,547
+26% +$2.6M
FCN icon
245
FTI Consulting
FCN
$4.22B
$12.3M 0.05%
116,213
+9,693
+9% +$1.1M
EWBC icon
246
East-West Bancorp
EWBC
$18.5B
$12.3M 0.05%
+375,032
New +$13.3M
TRNO icon
247
Terreno Realty
TRNO
$7.48B
$12.2M 0.05%
222,396
+19,003
+9% +$1.08M
RDN icon
248
Radian Group
RDN
$4.87B
$12.1M 0.05%
826,164
+70,650
+9% +$1.05M
LSI
249
DELISTED
Life Storage, Inc.
LSI
$11.9M 0.05%
169,748
-12,348
-7% -$837K
PDFS icon
250
PDF Solutions
PDFS
$2.19B
$11.8M 0.05%
633,339
+154,227
+32% +$3.18M

Similar funds

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.