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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
+2.33%
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
$25B
AUM Growth
-$1.38B
Cap. Flow
-$1.45B
Cap. Flow %
-5.78%
Top 10 Hldgs %
14.64%
Holding
486
New
45
Increased
126
Reduced
256
Closed
52

Top Buys

Rank Stock Value
1
WAB icon
Wabtec
WAB
+$151M
2
SU icon
Suncor Energy
SU
+$120M
3
TSCO icon
Tractor Supply
TSCO
+$115M
4
TD icon
Toronto Dominion Bank
TD
+$110M
5
CPRT icon
Copart
CPRT
+$109M

Sector Composition

Rank Sector Weight
1 Financials 14.32%
2 Industrials 12.78%
3 Consumer Discretionary 12.31%
4 Healthcare 11.79%
5 Technology 11.36%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
OSIS icon
301
OSI Systems
OSIS
$3.84B
$9.64M 0.04%
126,631
+22,409
+22% +$1.62M
AEO icon
302
American Eagle Outfitters
AEO
$2.91B
$9.64M 0.04%
635,359
+168,896
+36% +$2.89M
MXL icon
303
MaxLinear
MXL
$6.26B
$9.62M 0.04%
441,366
+82,067
+23% +$1.7M
SPG icon
304
Simon Property Group
SPG
$71.2B
$9.6M 0.04%
54,035
-77,527
-59% -$14.4M
EXTN
305
DELISTED
Exterran Corporation
EXTN
$9.5M 0.04%
397,392
-214,240
-35% -$4.06M
CCN
306
DELISTED
CardConnect Corp.
CCN
$9.4M 0.04%
739,953
-12,815
-2% -$130K
NXPI icon
307
NXP Semiconductors
NXPI
$59.6B
$9.08M 0.04%
92,613
-2,968,460
-97% -$295M
RP
308
DELISTED
RealPage, Inc.
RP
$9.04M 0.04%
301,323
-5,235
-2% -$146K
AIRM
309
DELISTED
Air Methods Corp
AIRM
$8.91M 0.04%
279,671
-2,297
-0.8% -$70.8K
NTRI
310
DELISTED
NutriSystem, Inc.
NTRI
$8.69M 0.03%
250,678
-239,670
-49% -$8.1M
ATRC icon
311
AtriCure
ATRC
$2.18B
$8.59M 0.03%
439,054
-253,791
-37% -$4.6M
GDEN
312
DELISTED
Golden Entertainment
GDEN
$8.18M 0.03%
675,258
-2,051
-0.3% -$24.7K
LHCG
313
DELISTED
LHC Group LLC
LHCG
$8.13M 0.03%
177,866
-3,025
-2% -$123K
PRTS icon
314
CarParts.com
PRTS
$51.3M
$8.1M 0.03%
230,170
-3,949
-2% -$122K
CTLP
315
DELISTED
Cantaloupe
CTLP
$7.7M 0.03%
1,790,077
-242,936
-12% -$1.1M
LAD icon
316
Lithia Motors
LAD
$8.32B
$7.64M 0.03%
78,860
-1,355
-2% -$124K
CALD
317
DELISTED
Callidus Software, Inc.
CALD
$7.51M 0.03%
446,838
-7,775
-2% -$133K
MGPI icon
318
MGP Ingredients
MGPI
$393M
$7.33M 0.03%
+146,605
New +$6.51M
LMAT icon
319
LeMaitre Vascular
LMAT
$1.89B
$7.11M 0.03%
280,456
-190,544
-40% -$4.23M
HDSN
320
Hudson Technologies
HDSN
$233M
$7.04M 0.03%
878,533
-785,452
-47% -$5.54M
ICFI icon
321
ICF International
ICFI
$1.62B
$7M 0.03%
126,751
-84,666
-40% -$4.3M
PCBK
322
DELISTED
Pacific Continental Corp
PCBK
$6.97M 0.03%
+318,975
New +$5.98M
LOPE icon
323
Grand Canyon Education
LOPE
$3.76B
$6.86M 0.03%
+117,319
New +$6M
RILY icon
324
BRC Group Holdings
RILY
$292M
$6.79M 0.03%
367,964
-106,989
-23% -$1.62M
COWN
325
DELISTED
Cowen Inc. Class A Common Stock
COWN
$6.6M 0.03%
425,943
-7,400
-2% -$106K

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William Blair Investment Management's Q4 2016 Portfolio in Review

As of Q4 2016, William Blair Investment Management held 486 positions worth $25B, down 5.2% from $26.4B the previous quarter. Its ten largest holdings account for 15% of the portfolio.

William Blair Investment Management withdrew a net $1.45B in Q4 2016, closing 52 positions and reducing 256 holdings. Its most notable exit was iShares MSCI Emerging Markets ETF, an estimated $166M position sold in full.

By sector, the portfolio is most concentrated in Financials at 14% of assets, up from 12% a quarter earlier, followed by Industrials and Consumer Discretionary.

Against the trend, William Blair Investment Management opened a new position in Yum China worth $91.9M.

  • William Blair Investment Management's largest Q4 2016 buy was Yum China: 3,628,174 shares worth $91.9M.
  • William Blair Investment Management added most to Wabtec in Q4 2016, an estimated $151M increase.
  • William Blair Investment Management's biggest Q4 2016 reduction was NXP Semiconductors, cutting an estimated $295M.
  • William Blair Investment Management fully exited iShares MSCI Emerging Markets ETF in Q4 2016, selling an estimated $166M.
  • William Blair Investment Management's ten largest holdings make up 15% of its $25B portfolio in Q4 2016.
  • William Blair Investment Management opened 45 new positions and closed 52 in Q4 2016.
  • William Blair Investment Management's portfolio value fell 5.2% quarter-over-quarter to $25B.

Based on William Blair Investment Management's 13F filing for Q4 2016, filed 14 Feb 2017.