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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
+5.95%
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
$26.2B
AUM Growth
+$458M
Cap. Flow
-$585M
Cap. Flow %
-2.23%
Top 10 Hldgs %
18.81%
Holding
469
New
42
Increased
160
Reduced
224
Closed
36

Sector Composition

Rank Sector Weight
1 Technology 14.91%
2 Financials 14.73%
3 Consumer Discretionary 14.13%
4 Industrials 13.07%
5 Healthcare 12.8%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
UN
351
DELISTED
Unilever NV New York Registry Shares
UN
$6.01M 0.02%
106,611
+32,004
+43% +$1.76M
LII icon
352
Lennox International
LII
$14.7B
$5.74M 0.02%
28,069
+2,221
+9% +$462K
SMIN icon
353
iShares MSCI India Small-Cap ETF
SMIN
$771M
$5.64M 0.02%
118,853
-23,914
-17% -$1.2M
RY icon
354
Royal Bank of Canada
RY
$295B
$5.41M 0.02%
70,022
+8,799
+14% +$714K
AGYS icon
355
Agilysys
AGYS
$2.96B
$5.18M 0.02%
434,906
+46,388
+12% +$553K
GRFS
356
Grifois
GRFS
$5.39B
$5.05M 0.02%
238,400
+38,065
+19% +$867K
AJG icon
357
Arthur J. Gallagher & Co
AJG
$65.5B
$5M 0.02%
72,752
+4,711
+7% +$318K
FMC icon
358
FMC
FMC
$1.28B
$4.93M 0.02%
74,208
+3,262
+5% +$243K
CGNX icon
359
Cognex
CGNX
$10.3B
$4.47M 0.02%
85,902
+29,032
+51% +$1.72M
NVS icon
360
Novartis
NVS
$290B
$4.31M 0.02%
59,478
-13,340
-18% -$1.02M
SMFG icon
361
Sumitomo Mitsui Financial
SMFG
$166B
$4.23M 0.02%
497,785
+79,907
+19% +$714K
SLP icon
362
Simulations Plus
SLP
$370M
$4.22M 0.02%
286,307
-5,178
-2% -$82.8K
SAP icon
363
SAP
SAP
$234B
$4.09M 0.02%
38,935
+6,244
+19% +$674K
XENT
364
DELISTED
Intersect ENT, Inc
XENT
$3.89M 0.01%
+99,071
New +$3.62M
COLB icon
365
Columbia Banking Systems
COLB
$9.01B
$3.86M 0.01%
91,946
+5,954
+7% +$258K
PRTS icon
366
CarParts.com
PRTS
$51.5M
$3.78M 0.01%
184,362
-3,349
-2% -$76.7K
NTRI
367
DELISTED
NutriSystem, Inc.
NTRI
$3.67M 0.01%
136,245
-2,495
-2% -$99.3K
ACC
368
DELISTED
American Campus Communities, Inc.
ACC
$3.66M 0.01%
94,752
+2,894
+3% +$109K
RLH
369
DELISTED
Red Lions Hotel Corporation
RLH
$3.63M 0.01%
+372,643
New +$3.81M
SABR icon
370
Sabre
SABR
$791M
$3.59M 0.01%
+167,504
New +$3.59M
RIO icon
371
Rio Tinto
RIO
$166B
$3.46M 0.01%
67,187
+10,784
+19% +$588K
CRZO
372
DELISTED
Carrizo Oil & Gas Inc
CRZO
$3.44M 0.01%
215,228
-1,464,107
-87% -$27.5M
CAT icon
373
Caterpillar
CAT
$396B
$3.43M 0.01%
23,258
DEI icon
374
Douglas Emmett
DEI
$1.92B
$3.18M 0.01%
86,453
+2,631
+3% +$98.5K
APLE icon
375
Apple Hospitality REIT
APLE
$3.69B
$2.95M 0.01%
168,094
+7,360
+5% +$135K

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William Blair Investment Management's Q1 2018 Portfolio in Review

As of Q1 2018, William Blair Investment Management held 469 positions worth $26.2B, up 1.8% from $25.7B the previous quarter. Its ten largest holdings account for 19% of the portfolio.

William Blair Investment Management's Q1 2018 filing shows 42 new, 160 increased, 224 reduced and 36 closed positions. Its largest new stake was Healthcare Services Group: 3,458,904 shares worth $150M. The largest sale was Maximus, an estimated $224M.

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

  • William Blair Investment Management's largest Q1 2018 buy was Healthcare Services Group: 3,458,904 shares worth $150M.
  • William Blair Investment Management added most to PARSLEY ENERGY INC in Q1 2018, an estimated $136M increase.
  • William Blair Investment Management's biggest Q1 2018 reduction was Canadian National Railway, cutting an estimated $212M.
  • William Blair Investment Management fully exited Maximus in Q1 2018, selling an estimated $224M.
  • William Blair Investment Management's ten largest holdings make up 19% of its $26.2B portfolio in Q1 2018.
  • William Blair Investment Management opened 42 new positions and closed 36 in Q1 2018.
  • William Blair Investment Management's portfolio value rose 1.8% quarter-over-quarter to $26.2B.

Based on William Blair Investment Management's 13F filing for Q1 2018, filed 14 May 2018.