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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
+19.2%
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
$23.8B
AUM Growth
+$3.63B
Cap. Flow
+$288M
Cap. Flow %
1.21%
Top 10 Hldgs %
20.04%
Holding
441
New
37
Increased
142
Reduced
223
Closed
35

Top Buys

Rank Stock Value
1
CHKP icon
Check Point Software Technologies
CHKP
+$181M
2
BABA icon
Alibaba
BABA
+$124M
3
EWBC icon
East-West Bancorp
EWBC
+$109M
4
STE icon
Steris
STE
+$94.6M
5
BURL icon
Burlington
BURL
+$87.9M

Top Sells

Rank Stock Value
1
SIX
Six Flags Entertainment Corp.
SIX
+$151M
2
FTNT icon
Fortinet
FTNT
+$108M
3
SU icon
Suncor Energy
SU
+$77.7M
4
WST icon
West Pharmaceutical
WST
+$73.5M
5
WW
WW International
WW
+$59M

Sector Composition

Rank Sector Weight
1 Technology 17.21%
2 Consumer Discretionary 14.5%
3 Healthcare 14.2%
4 Industrials 13.82%
5 Financials 13.22%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
BANR icon
226
Banner Corp
BANR
$2.47B
$18.1M 0.08%
334,629
-13,828
-4% -$786K
ALE
227
DELISTED
Allete
ALE
$18M 0.08%
219,317
-9,056
-4% -$713K
FNB icon
228
FNB Corp
FNB
$6.8B
$18M 0.08%
1,695,824
-74,508
-4% -$857K
PACW
229
DELISTED
PacWest Bancorp
PACW
$18M 0.08%
477,850
-21,914
-4% -$849K
RNST icon
230
Renasant Corp
RNST
$3.92B
$17.8M 0.08%
526,981
-21,796
-4% -$777K
INDA icon
231
iShares MSCI India ETF
INDA
$6.6B
$17.8M 0.08%
505,610
-179,890
-26% -$5.98M
MMS icon
232
Maximus
MMS
$2.84B
$17.8M 0.08%
250,952
+233,890
+1,371% +$16.4M
CDXS icon
233
Codexis
CDXS
$159M
$17.8M 0.07%
866,587
-229,104
-21% -$4.45M
CNK icon
234
Cinemark Holdings
CNK
$4.25B
$17.7M 0.07%
+441,835
New +$17.3M
OSW icon
235
OneSpaWorld
OSW
$2.64B
$17.7M 0.07%
+1,292,717
New +$16.8M
ADSK icon
236
Autodesk
ADSK
$53.1B
$17.6M 0.07%
+113,260
New +$16.9M
CIEN icon
237
Ciena
CIEN
$54.9B
$17.6M 0.07%
472,534
-48,380
-9% -$1.88M
SBCF icon
238
Seacoast Banking Corp of Florida
SBCF
$3.42B
$17.6M 0.07%
667,567
-27,571
-4% -$774K
WDAY icon
239
Workday
WDAY
$44.8B
$17.4M 0.07%
+90,031
New +$16.4M
LAD icon
240
Lithia Motors
LAD
$8.32B
$17.3M 0.07%
186,790
+48,858
+35% +$4.25M
SASR
241
DELISTED
Sandy Spring Bancorp Inc
SASR
$17.3M 0.07%
552,932
+153,428
+38% +$5.07M
VRNS icon
242
Varonis Systems
VRNS
$4.84B
$17.2M 0.07%
865,698
-30,444
-3% -$578K
PLAY icon
243
Dave & Buster's
PLAY
$349M
$17.2M 0.07%
344,968
-282,293
-45% -$13.8M
AAT
244
American Assets Trust
AAT
$1.37B
$17.1M 0.07%
372,924
-259,580
-41% -$11.2M
XENT
245
DELISTED
Intersect ENT, Inc
XENT
$17M 0.07%
528,404
+138,780
+36% +$4.29M
SXT icon
246
Sensient Technologies
SXT
$5.61B
$16.9M 0.07%
249,855
-10,911
-4% -$687K
COR
247
DELISTED
Coresite Realty Corporation
COR
$16.9M 0.07%
158,247
+3,307
+2% +$328K
MRCY icon
248
Mercury Systems
MRCY
$6.55B
$16.8M 0.07%
262,381
+20,924
+9% +$1.21M
PEB icon
249
Pebblebrook Hotel Trust
PEB
$2.01B
$16.8M 0.07%
540,152
+365
+0.1% +$11.5K
CRS icon
250
Carpenter Technology
CRS
$26.7B
$16.8M 0.07%
365,370
-16,448
-4% -$732K
8 9
10
11 12

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William Blair Investment Management's Q1 2019 Portfolio in Review

As of Q1 2019, William Blair Investment Management held 441 positions worth $23.8B, up 18% from $20.1B the previous quarter. Its ten largest holdings account for 20% of the portfolio.

William Blair Investment Management's Q1 2019 filing shows 37 new, 142 increased, 223 reduced and 35 closed positions. Its largest new stake was Steris: 803,400 shares worth $103M. The largest sale was Six Flags Entertainment Corp., an estimated $151M.

By sector, the portfolio is most concentrated in Technology at 17% of assets, up from 16% a quarter earlier, followed by Consumer Discretionary and Healthcare.

  • William Blair Investment Management's largest Q1 2019 buy was Steris: 803,400 shares worth $103M.
  • William Blair Investment Management added most to Check Point Software Technologies in Q1 2019, an estimated $181M increase.
  • William Blair Investment Management's biggest Q1 2019 reduction was WW International, cutting an estimated $59M.
  • William Blair Investment Management fully exited Six Flags Entertainment Corp. in Q1 2019, selling an estimated $151M.
  • William Blair Investment Management's ten largest holdings make up 20% of its $23.8B portfolio in Q1 2019.
  • William Blair Investment Management opened 37 new positions and closed 35 in Q1 2019.
  • William Blair Investment Management's portfolio value rose 18% quarter-over-quarter to $23.8B.

Based on William Blair Investment Management's 13F filing for Q1 2019, filed 10 May 2019.