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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
STRA icon
451
Strategic Education
STRA
$1.81B
$324K ﹤0.01%
+2,870
New +$307K
OIS icon
452
Oil States International
OIS
$532M
$319K ﹤0.01%
+9,930
New +$334K
PRTY
453
DELISTED
Party City Holdco Inc.
PRTY
$317K ﹤0.01%
+20,790
New +$319K
PEGA icon
454
Pegasystems
PEGA
$5.44B
$316K ﹤0.01%
+11,540
New +$354K
IWP icon
455
iShares Russell Mid-Cap Growth ETF
IWP
$20.8B
$314K ﹤0.01%
4,960
+1,980
+66% +$125K
EDN
456
Edenor
EDN
$1.01B
$312K ﹤0.01%
9,591
-19,869
-67% -$962K
CNDT icon
457
Conduent
CNDT
$245M
$309K ﹤0.01%
+16,990
New +$328K
NUVA
458
DELISTED
NuVasive, Inc.
NUVA
$300K ﹤0.01%
+5,760
New +$302K
PBR.A icon
459
Petrobras Class A
PBR.A
$103B
$299K ﹤0.01%
33,784
-152,881
-82% -$1.73M
CMCO icon
460
Columbus McKinnon
CMCO
$564M
$298K ﹤0.01%
+6,865
New +$266K
EBS icon
461
Emergent Biosolutions
EBS
$228M
$298K ﹤0.01%
+5,910
New +$308K
FLOW
462
DELISTED
SPX FLOW, Inc.
FLOW
$294K ﹤0.01%
+6,710
New +$307K
IRS
463
IRSA Inversiones y Representaciones
IRS
$1.23B
$292K ﹤0.01%
17,555
-10,777
-38% -$221K
UMBF icon
464
UMB Financial
UMBF
$11.2B
$289K ﹤0.01%
+3,790
New +$291K
BBAR icon
465
BBVA Argentina
BBAR
$3.36B
$287K ﹤0.01%
23,194
-22,384
-49% -$409K
DY icon
466
Dycom Industries
DY
$12.1B
$280K ﹤0.01%
+2,960
New +$303K
DNOW icon
467
DNOW Inc
DNOW
$3.01B
$262K ﹤0.01%
+19,660
New +$259K
POWI icon
468
Power Integrations
POWI
$3.54B
$256K ﹤0.01%
+7,020
New +$254K
GMED icon
469
Globus Medical
GMED
$11.4B
$253K ﹤0.01%
+5,010
New +$261K
BMO icon
470
Bank of Montreal
BMO
$127B
$247K ﹤0.01%
+3,193
New +$246K
CM icon
471
Canadian Imperial Bank of Commerce
CM
$109B
$242K ﹤0.01%
+5,574
New +$245K
ENSG icon
472
The Ensign Group
ENSG
$10.5B
$240K ﹤0.01%
+7,152
New +$220K
SLCA
473
DELISTED
U.S. SILICA HOLDINGS, INC.
SLCA
$230K ﹤0.01%
+8,960
New +$262K
TSEM icon
474
Tower Semiconductor
TSEM
$28.2B
$211K ﹤0.01%
+9,600
New +$244K
ELD icon
475
WisdomTree Emerging Markets Local Debt Fund
ELD
$143M
$65K ﹤0.01%
1,900
-300
-14% -$11K

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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.