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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
+7.8%
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
$27.5B
AUM Growth
+$1.01B
Cap. Flow
-$597M
Cap. Flow %
-2.17%
Top 10 Hldgs %
16.2%
Holding
497
New
65
Increased
168
Reduced
207
Closed
50

Top Buys

Rank Stock Value
1
PGR icon
Progressive
PGR
+$199M
2
DPZ icon
Domino's
DPZ
+$106M
3
LYV icon
Live Nation Entertainment
LYV
+$106M
4
NATI
National Instruments Corp
NATI
+$104M
5
CNI icon
Canadian National Railway
CNI
+$87.9M

Top Sells

Rank Stock Value
1
CNQ icon
Canadian Natural Resources
CNQ
+$148M
2
KR icon
Kroger
KR
+$128M
3
AKAM icon
Akamai
AKAM
+$116M
4
AKRX
Akorn Inc
AKRX
+$108M
5
MD icon
Pediatrix Medical
MD
+$105M

Sector Composition

Rank Sector Weight
1 Consumer Discretionary 15.94%
2 Industrials 14.55%
3 Financials 13.24%
4 Healthcare 11.96%
5 Technology 11.38%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
EXAS
76
DELISTED
Exact Sciences
EXAS
$111M 0.4%
3,130,696
-969,443
-24% -$29.9M
FCFS icon
77
FirstCash
FCFS
$8.78B
$110M 0.4%
1,887,660
+90,041
+5% +$4.78M
LYV icon
78
Live Nation Entertainment
LYV
$42.1B
$110M 0.4%
+3,147,567
New +$106M
MNST icon
79
Monster Beverage
MNST
$88.5B
$108M 0.39%
4,344,360
+343,154
+9% +$8.27M
VMC icon
80
Vulcan Materials
VMC
$36.9B
$107M 0.39%
847,964
-41,770
-5% -$5.25M
HBI
81
DELISTED
Hanesbrands
HBI
$107M 0.39%
4,618,909
-562,748
-11% -$12.1M
FMX icon
82
Fomento Económico Mexicano
FMX
$41.7B
$107M 0.39%
1,087,301
+386,233
+55% +$36M
UEIC icon
83
Universal Electronics
UEIC
$61.3M
$107M 0.39%
1,599,417
+267,722
+20% +$17.8M
TRU icon
84
TransUnion
TRU
$15.3B
$105M 0.38%
2,432,322
+110,181
+5% +$4.57M
ACHC icon
85
Acadia Healthcare
ACHC
$2.94B
$105M 0.38%
2,128,972
+1,970,965
+1,247% +$87.3M
MLM icon
86
Martin Marietta Materials
MLM
$33B
$104M 0.38%
465,283
+85,835
+23% +$19.4M
MXL icon
87
MaxLinear
MXL
$6.8B
$103M 0.38%
3,701,238
-51,541
-1% -$1.5M
CBM
88
DELISTED
Cambrex Corporation
CBM
$103M 0.37%
1,724,501
-299,255
-15% -$16.8M
HEI.A icon
89
HEICO Corp Class A
HEI.A
$37.2B
$103M 0.37%
3,232,523
+93,360
+3% +$2.91M
TD icon
90
Toronto Dominion Bank
TD
$200B
$97.2M 0.35%
1,931,209
-169,168
-8% -$8.16M
HXL icon
91
Hexcel
HXL
$7.82B
$97.1M 0.35%
1,839,816
+36,893
+2% +$1.91M
BMRN icon
92
BioMarin Pharmaceuticals
BMRN
$12.4B
$96.5M 0.35%
1,062,506
-61,422
-5% -$5.59M
NBIS
93
Nebius Group N.V.
NBIS
$47.7B
$96.1M 0.35%
3,661,361
+625,063
+21% +$16.3M
ACN icon
94
Accenture
ACN
$108B
$95.9M 0.35%
775,538
+133,586
+21% +$16.3M
FSV icon
95
FirstService
FSV
$6.32B
$95.9M 0.35%
1,498,197
+64,340
+4% +$3.99M
ECPG icon
96
Encore Capital Group
ECPG
$2.13B
$95.2M 0.35%
2,370,092
+119,655
+5% +$4.3M
RTN
97
DELISTED
Raytheon Company
RTN
$93.3M 0.34%
577,470
-68,974
-11% -$10.9M
AMED
98
DELISTED
Amedisys
AMED
$91.9M 0.33%
1,463,746
-168,496
-10% -$9.81M
TTC icon
99
Toro Company
TTC
$9.49B
$91.6M 0.33%
1,321,811
-154,027
-10% -$10.3M
GKOS icon
100
Glaukos
GKOS
$10.6B
$89.8M 0.33%
2,164,764
+100,320
+5% +$4.32M
2 3
4
5 6

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William Blair Investment Management's Q2 2017 Portfolio in Review

As of Q2 2017, William Blair Investment Management held 497 positions worth $27.5B, up 3.8% from $26.5B the previous quarter. Its ten largest holdings account for 16% of the portfolio.

William Blair Investment Management's Q2 2017 filing shows 65 new, 168 increased, 207 reduced and 50 closed positions. Its largest new stake was Domino's: 538,069 shares worth $114M. The largest sale was Canadian Natural Resources, an estimated $148M.

By sector, the portfolio is most concentrated in Consumer Discretionary at 16% of assets, up from 15% a quarter earlier, followed by Industrials and Financials.

  • William Blair Investment Management's largest Q2 2017 buy was Domino's: 538,069 shares worth $114M.
  • William Blair Investment Management added most to Progressive in Q2 2017, an estimated $199M increase.
  • William Blair Investment Management's biggest Q2 2017 reduction was Canadian Natural Resources, cutting an estimated $148M.
  • William Blair Investment Management fully exited Kroger in Q2 2017, selling an estimated $128M.
  • William Blair Investment Management's ten largest holdings make up 16% of its $27.5B portfolio in Q2 2017.
  • William Blair Investment Management opened 65 new positions and closed 50 in Q2 2017.
  • William Blair Investment Management's portfolio value rose 3.8% quarter-over-quarter to $27.5B.

Based on William Blair Investment Management's 13F filing for Q2 2017, filed 4 Aug 2017.