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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
+10.66%
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
$26.5B
AUM Growth
+$1.43B
Cap. Flow
-$525M
Cap. Flow %
-1.98%
Top 10 Hldgs %
15.7%
Holding
479
New
44
Increased
158
Reduced
220
Closed
47

Top Buys

Rank Stock Value
1
BABA icon
Alibaba
BABA
+$316M
2
TCOM icon
Trip.com Group
TCOM
+$140M
3
BWXT icon
BWX Technologies
BWXT
+$116M
4
UNH icon
UnitedHealth
UNH
+$102M
5
MTN icon
Vail Resorts
MTN
+$101M

Sector Composition

Rank Sector Weight
1 Consumer Discretionary 15.46%
2 Industrials 13.64%
3 Financials 13.02%
4 Healthcare 11.83%
5 Technology 10.92%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
PLD icon
301
Prologis
PLD
$132B
$9.18M 0.03%
+176,959
New +$9M
CCN
302
DELISTED
CardConnect Corp.
CCN
$9.08M 0.03%
688,045
-51,908
-7% -$714K
LHCG
303
DELISTED
LHC Group LLC
LHCG
$8.91M 0.03%
165,246
-12,620
-7% -$613K
NXTM
304
DELISTED
NxStage Medical Inc.
NXTM
$8.89M 0.03%
331,204
-112,952
-25% -$3.12M
CALD
305
DELISTED
Callidus Software, Inc.
CALD
$8.87M 0.03%
415,296
-31,542
-7% -$606K
OSIS icon
306
OSI Systems
OSIS
$3.88B
$8.61M 0.03%
117,916
-8,715
-7% -$647K
NTRI
307
DELISTED
NutriSystem, Inc.
NTRI
$7.72M 0.03%
139,128
-111,550
-44% -$4.61M
LAUR icon
308
Laureate Education
LAUR
$5.12B
$7.61M 0.03%
+533,018
New +$7.06M
MGPI icon
309
MGP Ingredients
MGPI
$377M
$7.47M 0.03%
137,666
-8,939
-6% -$421K
PACW
310
DELISTED
PacWest Bancorp
PACW
$7.19M 0.03%
135,082
-347,956
-72% -$19.1M
PRTS icon
311
CarParts.com
PRTS
$50.9M
$7.18M 0.03%
214,364
-15,806
-7% -$533K
CTLP
312
DELISTED
Cantaloupe
CTLP
$7.07M 0.03%
1,664,244
-125,833
-7% -$533K
ACHC icon
313
Acadia Healthcare
ACHC
$2.92B
$6.89M 0.03%
+158,007
New +$6.41M
CUNB
314
DELISTED
CU Bancorp
CUNB
$6.63M 0.03%
+167,294
New +$6.27M
LMAT icon
315
LeMaitre Vascular
LMAT
$1.86B
$6.5M 0.02%
263,926
-16,530
-6% -$388K
FLGT icon
316
Fulgent Genetics
FLGT
$528M
$6.33M 0.02%
+579,711
New +$6.85M
LAD icon
317
Lithia Motors
LAD
$8.32B
$6.29M 0.02%
73,479
-5,381
-7% -$522K
DEO icon
318
Diageo
DEO
$52.9B
$6.28M 0.02%
54,337
+2,137
+4% +$240K
PUK icon
319
Prudential
PUK
$34.3B
$6.22M 0.02%
151,352
+27,905
+23% +$1.1M
PLOW icon
320
Douglas Dynamics
PLOW
$996M
$6.06M 0.02%
+197,716
New +$6.42M
CASH icon
321
Pathward Financial
CASH
$1.82B
$6M 0.02%
203,463
-114,273
-36% -$3.53M
CLCT
322
DELISTED
Collectors Universe
CLCT
$5.93M 0.02%
227,186
-17,726
-7% -$406K
COWN
323
DELISTED
Cowen Inc. Class A Common Stock
COWN
$5.92M 0.02%
396,072
-29,871
-7% -$441K
NEO icon
324
NeoGenomics
NEO
$2.13B
$5.63M 0.02%
713,797
-52,945
-7% -$431K
ZVO
325
DELISTED
Zovio Inc. Common Stock
ZVO
$5.6M 0.02%
524,460
+194,422
+59% +$1.99M

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William Blair Investment Management's Q1 2017 Portfolio in Review

As of Q1 2017, William Blair Investment Management held 479 positions worth $26.5B, up 5.7% from $25B the previous quarter. Its ten largest holdings account for 16% of the portfolio.

William Blair Investment Management's Q1 2017 filing shows 44 new, 158 increased, 220 reduced and 47 closed positions. Its largest new stake was Michaels Stores, Inc: 4,240,011 shares worth $94.9M. The largest sale was Toronto Dominion Bank, an estimated $254M.

By sector, the portfolio is most concentrated in Consumer Discretionary at 15% of assets, up from 12% a quarter earlier, followed by Industrials and Financials.

  • William Blair Investment Management's largest Q1 2017 buy was Michaels Stores, Inc: 4,240,011 shares worth $94.9M.
  • William Blair Investment Management added most to Alibaba in Q1 2017, an estimated $316M increase.
  • William Blair Investment Management's biggest Q1 2017 reduction was Toronto Dominion Bank, cutting an estimated $254M.
  • William Blair Investment Management fully exited Mead Johnson Nutrition Company in Q1 2017, selling an estimated $192M.
  • William Blair Investment Management's ten largest holdings make up 16% of its $26.5B portfolio in Q1 2017.
  • William Blair Investment Management opened 44 new positions and closed 47 in Q1 2017.
  • William Blair Investment Management's portfolio value rose 5.7% quarter-over-quarter to $26.5B.

Based on William Blair Investment Management's 13F filing for Q1 2017, filed 10 May 2017.