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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
+7.86%
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
$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
WST icon
51
West Pharmaceutical
WST
$24.8B
$177M 0.61%
1,434,617
-194,122
-12% -$21.8M
WP
52
DELISTED
Worldpay, Inc.
WP
$176M 0.61%
1,735,500
+60,421
+4% +$5.52M
CBM
53
DELISTED
Cambrex Corporation
CBM
$173M 0.6%
2,530,397
+228,059
+10% +$14.1M
HCSG icon
54
Healthcare Services Group
HCSG
$1.47B
$171M 0.59%
4,208,946
+330,009
+9% +$13.7M
BURL icon
55
Burlington
BURL
$22.9B
$162M 0.56%
992,737
+372,493
+60% +$59.4M
HDB icon
56
HDFC Bank
HDB
$120B
$160M 0.55%
6,787,744
+164,512
+2% +$4.19M
GKOS icon
57
Glaukos
GKOS
$10.8B
$159M 0.55%
2,442,942
-248,266
-9% -$12.2M
CNI icon
58
Canadian National Railway
CNI
$76B
$159M 0.55%
1,766,414
-44,804
-2% -$3.91M
FCFS icon
59
FirstCash
FCFS
$9.05B
$158M 0.55%
1,927,072
-1,263
-0.1% -$106K
TYL icon
60
Tyler Technologies
TYL
$13.2B
$154M 0.53%
630,345
+24,963
+4% +$5.94M
PE
61
DELISTED
PARSLEY ENERGY INC
PE
$151M 0.52%
5,149,134
+182,921
+4% +$5.43M
ZTS icon
62
Zoetis
ZTS
$30.9B
$147M 0.51%
1,603,260
-111,705
-7% -$9.91M
PGR icon
63
Progressive
PGR
$124B
$147M 0.51%
2,066,258
-794,449
-28% -$51.1M
HGV icon
64
Hilton Grand Vacations
HGV
$3.39B
$147M 0.51%
4,427,781
+224,211
+5% +$7.47M
VRSK icon
65
Verisk Analytics
VRSK
$23.6B
$146M 0.51%
1,214,058
-445,529
-27% -$51.8M
META icon
66
Meta Platforms (Facebook)
META
$1.54T
$143M 0.49%
868,312
-34,780
-4% -$6.3M
FTNT icon
67
Fortinet
FTNT
$120B
$142M 0.49%
7,708,560
+1,741,740
+29% +$26.6M
HTHT icon
68
Huazhu Hotels Group
HTHT
$12.8B
$141M 0.49%
4,351,892
+23,594
+0.5% +$829K
ULTA icon
69
Ulta Beauty
ULTA
$23.3B
$140M 0.49%
497,934
+19,211
+4% +$4.9M
RTN
70
DELISTED
Raytheon Company
RTN
$139M 0.48%
672,370
+68,034
+11% +$13.5M
AZPN
71
DELISTED
ASPEN TECHNOLOGY INC
AZPN
$138M 0.48%
1,208,072
+226,796
+23% +$25.8M
GWR
72
DELISTED
Genesee & Wyoming Inc.
GWR
$135M 0.47%
1,489,154
+90,948
+7% +$7.89M
NATI
73
DELISTED
National Instruments Corp
NATI
$134M 0.46%
2,765,862
+453,597
+20% +$20.7M
ADBE icon
74
Adobe
ADBE
$105B
$131M 0.45%
486,295
-118,997
-20% -$30.7M
NICE icon
75
Nice
NICE
$5.98B
$130M 0.45%
1,132,026
+170,578
+18% +$19.1M
1 2
3
4 5

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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.