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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
+6.15%
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
$26.9B
AUM Growth
+$687M
Cap. Flow
-$320M
Cap. Flow %
-1.19%
Top 10 Hldgs %
18.65%
Holding
522
New
90
Increased
140
Reduced
241
Closed
46

Top Sells

Rank Stock Value
1
ABMD
Abiomed Inc
ABMD
+$154M
2
DPZ icon
Domino's
DPZ
+$129M
3
NBIS
Nebius Group N.V.
NBIS
+$115M
4
ZTS icon
Zoetis
ZTS
+$104M
5
YELP icon
Yelp
YELP
+$103M

Sector Composition

Rank Sector Weight
1 Consumer Discretionary 15.39%
2 Technology 15.25%
3 Healthcare 14.14%
4 Financials 12.82%
5 Industrials 12.81%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
IXC icon
226
iShares Global Energy ETF
IXC
$2.74B
$22.8M 0.08%
609,400
-81,100
-12% -$3M
RNST icon
227
Renasant Corp
RNST
$3.94B
$22.5M 0.08%
495,242
-14,932
-3% -$695K
BANR icon
228
Banner Corp
BANR
$2.46B
$22.5M 0.08%
373,695
+16,791
+5% +$986K
RAMP icon
229
LiveRamp
RAMP
$2.3B
$22.1M 0.08%
738,637
-238,430
-24% -$6.53M
VIAV icon
230
Viavi Solutions
VIAV
$9.49B
$21.8M 0.08%
+2,130,787
New +$21.1M
SWX icon
231
Southwest Gas
SWX
$6.64B
$21.7M 0.08%
284,242
-54,445
-16% -$3.97M
XLF icon
232
State Street Financial Select Sector SPDR ETF
XLF
$59.2B
$21.4M 0.08%
805,400
-886,550
-52% -$24.5M
MGLN
233
DELISTED
Magellan Health Services, Inc.
MGLN
$21.3M 0.08%
222,447
-7,215
-3% -$692K
HWC icon
234
Hancock Whitney
HWC
$6.27B
$21.3M 0.08%
456,642
-114,447
-20% -$5.81M
CRS icon
235
Carpenter Technology
CRS
$27.1B
$21.2M 0.08%
404,047
+60,734
+18% +$3.29M
DAR icon
236
Darling Ingredients
DAR
$9.92B
$21.2M 0.08%
1,068,098
-32,209
-3% -$584K
HR
237
DELISTED
Healthcare Realty Trust Incorporated
HR
$21.2M 0.08%
729,468
-24,549
-3% -$675K
CDXS icon
238
Codexis
CDXS
$160M
$21.2M 0.08%
1,472,554
-35,977
-2% -$469K
HAL icon
239
Halliburton
HAL
$28.1B
$21M 0.08%
+466,478
New +$23.2M
CXP
240
DELISTED
COLUMBIA PROPERTY TRUST, INC.
CXP
$20.6M 0.08%
906,976
+211,482
+30% +$4.58M
CVCO icon
241
Cavco Industries
CVCO
$4.55B
$20.4M 0.08%
98,466
-8,296
-8% -$1.56M
ERF
242
DELISTED
Enerplus Corporation
ERF
$20.3M 0.08%
1,606,833
-122,944
-7% -$1.48M
AVT icon
243
Avnet
AVT
$7.93B
$20.2M 0.08%
+472,006
New +$19.1M
PLAY icon
244
Dave & Buster's
PLAY
$353M
$20.2M 0.08%
423,999
-134,600
-24% -$5.96M
RRC icon
245
Range Resources
RRC
$9.49B
$20.1M 0.07%
1,202,389
-40,650
-3% -$615K
PEB icon
246
Pebblebrook Hotel Trust
PEB
$2.01B
$20M 0.07%
515,736
-17,620
-3% -$663K
OGS icon
247
ONE Gas
OGS
$4.98B
$20M 0.07%
267,488
-100,995
-27% -$7.18M
AVNT icon
248
Avient
AVNT
$4.22B
$19.9M 0.07%
461,075
+24,384
+6% +$1.05M
PENN icon
249
PENN Entertainment
PENN
$2.56B
$19.9M 0.07%
+593,162
New +$18.5M
BPFH
250
DELISTED
Boston Private Financial Holdings, Inc.
BPFH
$19.9M 0.07%
1,250,264
-37,673
-3% -$619K

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William Blair Investment Management's Q2 2018 Portfolio in Review

As of Q2 2018, William Blair Investment Management held 522 positions worth $26.9B, up 2.6% from $26.2B the previous quarter. Its ten largest holdings account for 19% of the portfolio.

William Blair Investment Management's Q2 2018 filing shows 90 new, 140 increased, 241 reduced and 46 closed positions. Its largest new stake was GoDaddy: 2,731,356 shares worth $193M. The largest sale was Abiomed Inc, an estimated $154M.

By sector, the portfolio is most concentrated in Consumer Discretionary at 15% of assets, up from 14% a quarter earlier, followed by Technology and Healthcare.

  • William Blair Investment Management's largest Q2 2018 buy was GoDaddy: 2,731,356 shares worth $193M.
  • William Blair Investment Management added most to State Street SPDR S&P 500 ETF Trust in Q2 2018, an estimated $99.1M increase.
  • William Blair Investment Management's biggest Q2 2018 reduction was Abiomed Inc, cutting an estimated $154M.
  • William Blair Investment Management fully exited Yelp in Q2 2018, selling an estimated $103M.
  • William Blair Investment Management's ten largest holdings make up 19% of its $26.9B portfolio in Q2 2018.
  • William Blair Investment Management opened 90 new positions and closed 46 in Q2 2018.
  • William Blair Investment Management's portfolio value rose 2.6% quarter-over-quarter to $26.9B.

Based on William Blair Investment Management's 13F filing for Q2 2018, filed 14 Aug 2018.