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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
+8.82%
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
$27.9B
AUM Growth
+$434M
Cap. Flow
-$1.39B
Cap. Flow %
-4.97%
Top 10 Hldgs %
16.81%
Holding
485
New
38
Increased
170
Reduced
217
Closed
52

Top Buys

Rank Stock Value
1
RCI icon
Rogers Communications
RCI
+$124M
2
WEX icon
WEX
WEX
+$108M
3
DXCM icon
DexCom
DXCM
+$100M
4
TSM icon
TSMC
TSM
+$99.8M
5
YELP icon
Yelp
YELP
+$93.8M

Top Sells

Rank Stock Value
1
ORLY icon
O'Reilly Automotive
ORLY
+$155M
2
SBNY
Signature Bank
SBNY
+$152M
3
ODFL icon
Old Dominion Freight Line
ODFL
+$132M
4
BABA icon
Alibaba
BABA
+$128M
5
SPY icon
State Street SPDR S&P 500 ETF Trust
SPY
+$119M

Sector Composition

Rank Sector Weight
1 Consumer Discretionary 15.32%
2 Industrials 13.97%
3 Financials 13.47%
4 Technology 12.68%
5 Healthcare 12.14%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
LGND icon
51
Ligand Pharmaceuticals
LGND
$6.29B
$156M 0.56%
1,839,244
-1,003,571
-35% -$79.5M
NBIS
52
Nebius Group N.V.
NBIS
$48B
$153M 0.55%
4,629,740
+968,379
+26% +$29.6M
EWBC icon
53
East-West Bancorp
EWBC
$18.1B
$152M 0.55%
2,549,489
-97,095
-4% -$5.51M
SQM icon
54
Sociedad Química y Minera de Chile
SQM
$20.8B
$152M 0.54%
2,724,430
+711,257
+35% +$31.9M
MTD icon
55
Mettler-Toledo International
MTD
$28.8B
$144M 0.52%
230,599
-9,325
-4% -$5.6M
ADBE icon
56
Adobe
ADBE
$107B
$144M 0.52%
965,941
-173,326
-15% -$25.9M
ODFL icon
57
Old Dominion Freight Line
ODFL
$44.4B
$143M 0.51%
3,889,095
-3,987,720
-51% -$132M
SBUX icon
58
Starbucks
SBUX
$120B
$140M 0.5%
2,610,402
-526,777
-17% -$29.2M
ABEV icon
59
Ambev
ABEV
$45.7B
$140M 0.5%
21,186,208
-1,070,631
-5% -$6.63M
BN icon
60
Brookfield
BN
$108B
$139M 0.5%
9,430,551
+25,771
+0.3% +$361K
TWOU
61
DELISTED
2U Inc
TWOU
$137M 0.49%
81,305
-13,048
-14% -$19.6M
LYV icon
62
Live Nation Entertainment
LYV
$42.3B
$133M 0.48%
3,045,589
-101,978
-3% -$3.96M
HD icon
63
Home Depot
HD
$349B
$132M 0.47%
808,980
-375,000
-32% -$57.5M
FTV icon
64
Fortive
FTV
$18.5B
$132M 0.47%
2,948,297
-227,645
-7% -$9.47M
COO icon
65
Cooper Companies
COO
$14.8B
$130M 0.46%
2,187,628
+1,101,044
+101% +$67.3M
RTN
66
DELISTED
Raytheon Company
RTN
$128M 0.46%
687,704
+110,234
+19% +$19.4M
ROST icon
67
Ross Stores
ROST
$82.2B
$128M 0.46%
1,986,741
-157,789
-7% -$9.08M
CVSA
68
Covista Inc
CVSA
$4.66B
$127M 0.46%
3,551,026
+160,433
+5% +$5.48M
HEI.A icon
69
HEICO Corp Class A
HEI.A
$37.3B
$126M 0.45%
3,232,098
-425
-0% -$15.5K
CE icon
70
Celanese
CE
$4.79B
$126M 0.45%
1,205,985
-8,407
-0.7% -$826K
RCI icon
71
Rogers Communications
RCI
$18.5B
$125M 0.45%
+2,429,600
New +$124M
AXTA icon
72
Axalta
AXTA
$8.05B
$125M 0.45%
4,318,090
-503,881
-10% -$15.2M
MLM icon
73
Martin Marietta Materials
MLM
$33B
$123M 0.44%
595,756
+130,473
+28% +$27.6M
EXAS
74
DELISTED
Exact Sciences
EXAS
$121M 0.43%
2,566,007
-564,689
-18% -$22.7M
FCFS icon
75
FirstCash
FCFS
$9.11B
$120M 0.43%
1,901,904
+14,244
+0.8% +$842K
1 2
3
4 5

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William Blair Investment Management's Q3 2017 Portfolio in Review

As of Q3 2017, William Blair Investment Management held 485 positions worth $27.9B, up 1.6% from $27.5B the previous quarter. Its ten largest holdings account for 17% of the portfolio.

William Blair Investment Management withdrew a net $1.39B in Q3 2017, closing 52 positions and reducing 217 holdings. Its most notable exit was Amedisys, an estimated $91.9M position sold in full.

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

Against the trend, William Blair Investment Management opened a new position in Rogers Communications worth $125M.

  • William Blair Investment Management's largest Q3 2017 buy was Rogers Communications: 2,429,600 shares worth $125M.
  • William Blair Investment Management added most to TSMC in Q3 2017, an estimated $99.8M increase.
  • William Blair Investment Management's biggest Q3 2017 reduction was O'Reilly Automotive, cutting an estimated $155M.
  • William Blair Investment Management fully exited Amedisys in Q3 2017, selling an estimated $91.9M.
  • William Blair Investment Management's ten largest holdings make up 17% of its $27.9B portfolio in Q3 2017.
  • William Blair Investment Management opened 38 new positions and closed 52 in Q3 2017.
  • William Blair Investment Management's portfolio value rose 1.6% quarter-over-quarter to $27.9B.

Based on William Blair Investment Management's 13F filing for Q3 2017, filed 13 Nov 2017.