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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
+7.86%
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
$28.9B
AUM Growth
+$2.01B
Cap. Flow
+$420M
Cap. Flow %
1.46%
Top 10 Hldgs %
17.78%
Holding
509
New
33
Increased
212
Reduced
167
Closed
90

Top Buys

Rank Stock Value
1
RCI icon
Rogers Communications
RCI
+$228M
2
BN icon
Brookfield
BN
+$96.9M
3
EEFT icon
Euronet Worldwide
EEFT
+$92.3M
4
TFX icon
Teleflex
TFX
+$84.9M
5
P
Everpure Inc
P
+$79.7M

Top Sells

Rank Stock Value
1
YUMC icon
Yum China
YUMC
+$188M
2
CRL icon
Charles River Laboratories
CRL
+$188M
3
FND icon
Floor & Decor
FND
+$129M
4
TWOU
2U Inc
TWOU
+$87.5M
5
MTN icon
Vail Resorts
MTN
+$71.8M

Sector Composition

Rank Sector Weight
1 Technology 16.83%
2 Healthcare 15.47%
3 Industrials 13.49%
4 Consumer Discretionary 13%
5 Financials 12.64%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
FIVE icon
451
Five Below
FIVE
$13.1B
– –
-3,560
Closed -$348K
FMS icon
452
Fresenius Medical Care
FMS
$12.6B
– –
-81,888
Closed -$4.12M
FND icon
453
Floor & Decor
FND
$6.3B
– –
-2,614,553
Closed -$129M
GGAL icon
454
Galicia Financial Group
GGAL
$7.06B
– –
-846,444
Closed -$27.9M
GMED icon
455
Globus Medical
GMED
$11.3B
– –
-5,010
Closed -$253K
ICFI icon
456
ICF International
ICFI
$1.58B
– –
-130,124
Closed -$9.24M
IMAX icon
457
IMAX
IMAX
$2.78B
– –
-689,960
Closed -$15.3M
IRS
458
IRSA Inversiones y Representaciones
IRS
$1.24B
– –
-17,555
Closed -$292K
IXC icon
459
iShares Global Energy ETF
IXC
$2.74B
– –
-609,400
Closed -$22.8M
KAI icon
460
Kadant
KAI
$3.91B
– –
-96,189
Closed -$9.25M
LII icon
461
Lennox International
LII
$14.7B
– –
-5,110
Closed -$1.02M
LRCX icon
462
Lam Research
LRCX
$411B
– –
-1,612,770
Closed -$27.9M
MEI icon
463
Methode Electronics
MEI
$600M
– –
-8,030
Closed -$324K
MELI icon
464
Mercado Libre
MELI
$95.4B
– –
-3,788
Closed -$1.13M
MGPI icon
465
MGP Ingredients
MGPI
$383M
– –
-128,105
Closed -$11.4M
MRC
466
DELISTED
MRC Global
MRC
– –
-464,970
Closed -$10.1M
MTZ icon
467
MasTec
MTZ
$22.7B
– –
-7,513
Closed -$381K
NI icon
468
NiSource
NI
$20.2B
– –
-33,667
Closed -$885K
ODFL icon
469
Old Dominion Freight Line
ODFL
$44.1B
– –
-18,942
Closed -$941K
OIS icon
470
Oil States International
OIS
$533M
– –
-9,930
Closed -$319K
OMCL icon
471
Omnicell
OMCL
$1.67B
– –
-6,280
Closed -$329K
PAM icon
472
Pampa Energía
PAM
$4.27B
– –
-42,233
Closed -$1.51M
PBR.A icon
473
Petrobras Class A
PBR.A
$104B
– –
-33,784
Closed -$299K
PEGA icon
474
Pegasystems
PEGA
$5.19B
– –
-11,540
Closed -$316K
PFGC icon
475
Performance Food Group
PFGC
$17.5B
– –
-9,620
Closed -$353K
17 18
19
20 21

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William Blair Investment Management's Q3 2018 Portfolio in Review

As of Q3 2018, William Blair Investment Management held 509 positions worth $28.9B, up 7.5% from $26.9B the previous quarter. Its ten largest holdings account for 18% of the portfolio.

William Blair Investment Management's Q3 2018 filing shows 33 new, 212 increased, 167 reduced and 90 closed positions. Its largest new stake was Rogers Communications: 4,461,925 shares worth $229M. The largest sale was Yum China, an estimated $188M.

By sector, the portfolio is most concentrated in Technology at 17% of assets, up from 15% a quarter earlier, followed by Healthcare and Industrials.

  • William Blair Investment Management's largest Q3 2018 buy was Rogers Communications: 4,461,925 shares worth $229M.
  • William Blair Investment Management added most to Brookfield in Q3 2018, an estimated $96.9M increase.
  • William Blair Investment Management's biggest Q3 2018 reduction was Vail Resorts, cutting an estimated $71.8M.
  • William Blair Investment Management fully exited Yum China in Q3 2018, selling an estimated $188M.
  • William Blair Investment Management's ten largest holdings make up 18% of its $28.9B portfolio in Q3 2018.
  • William Blair Investment Management opened 33 new positions and closed 90 in Q3 2018.
  • William Blair Investment Management's portfolio value rose 7.5% quarter-over-quarter to $28.9B.

Based on William Blair Investment Management's 13F filing for Q3 2018, filed 13 Nov 2018.