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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
LII icon
401
Lennox International
LII
$14.8B
$1.02M ﹤0.01%
5,110
-22,959
-82% -$4.65M
LW icon
402
Lamb Weston
LW
$7.21B
$1.02M ﹤0.01%
14,936
-1,596
-10% -$104K
CPRI icon
403
Capri Holdings
CPRI
$1.76B
$1.01M ﹤0.01%
15,099
-7,877
-34% -$515K
ARCO icon
404
Arcos Dorados Holdings
ARCO
$1.68B
$982K ﹤0.01%
145,226
-97,260
-40% -$767K
IEX icon
405
IDEX
IEX
$17.5B
$976K ﹤0.01%
+7,148
New +$999K
PACW
406
DELISTED
PacWest Bancorp
PACW
$972K ﹤0.01%
19,674
-2,100
-10% -$110K
ODFL icon
407
Old Dominion Freight Line
ODFL
$43.6B
$941K ﹤0.01%
18,942
-10,338
-35% -$513K
LNT icon
408
Alliant Energy
LNT
$17.8B
$931K ﹤0.01%
+22,000
New +$906K
IR icon
409
Ingersoll Rand
IR
$33B
$910K ﹤0.01%
+30,973
New +$975K
CHDN icon
410
Churchill Downs
CHDN
$6.19B
$900K ﹤0.01%
+18,216
New +$852K
NI icon
411
NiSource
NI
$20.1B
$885K ﹤0.01%
33,667
-17,975
-35% -$441K
STLD icon
412
Steel Dynamics
STLD
$38B
$871K ﹤0.01%
18,956
-2,021
-10% -$95.6K
HOLX
413
DELISTED
Hologic
HOLX
$847K ﹤0.01%
21,303
-7
-0% -$269
MMS icon
414
Maximus
MMS
$2.88B
$847K ﹤0.01%
+13,645
New +$884K
CXT icon
415
Crane NXT
CXT
$2.96B
$845K ﹤0.01%
30,373
-13,252
-30% -$399K
RVTY icon
416
Revvity
RVTY
$13B
$828K ﹤0.01%
11,311
-1,207
-10% -$90.5K
PTEN icon
417
Patterson-UTI
PTEN
$4.21B
$818K ﹤0.01%
45,466
-4,858
-10% -$97.4K
CXO
418
DELISTED
CONCHO RESOURCES INC.
CXO
$806K ﹤0.01%
5,823
-194,354
-97% -$27.8M
CPT icon
419
Camden Property Trust
CPT
$11B
$800K ﹤0.01%
8,776
-938
-10% -$81.7K
VOYA icon
420
Voya Financial
VOYA
$8.95B
$795K ﹤0.01%
16,910
-1,806
-10% -$93.5K
AGRO icon
421
Adecoagro
AGRO
$1.35B
$755K ﹤0.01%
94,949
-53,119
-36% -$425K
INGR icon
422
Ingredion
INGR
$6.59B
$751K ﹤0.01%
6,786
+429
+7% +$50.5K
ELS icon
423
Equity Lifestyle Properties
ELS
$12.5B
$746K ﹤0.01%
+16,230
New +$725K
VST icon
424
Vistra
VST
$48.6B
$737K ﹤0.01%
+31,140
New +$716K
BMA icon
425
Banco Macro
BMA
$5.13B
$731K ﹤0.01%
12,434
-10,951
-47% -$940K

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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.