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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
+6.55%
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
$25.7B
AUM Growth
-$2.19B
Cap. Flow
-$3.7B
Cap. Flow %
-14.37%
Top 10 Hldgs %
17.87%
Holding
463
New
30
Increased
148
Reduced
245
Closed
36

Top Buys

Rank Stock Value
1
SPY icon
State Street SPDR S&P 500 ETF Trust
SPY
+$206M
2
TD icon
Toronto Dominion Bank
TD
+$161M
3
ROG icon
Rogers Corp
ROG
+$150M
4
CRL icon
Charles River Laboratories
CRL
+$148M
5
DPZ icon
Domino's
DPZ
+$132M

Top Sells

Rank Stock Value
1
WP
Worldpay, Inc.
WP
+$346M
2
SBAC icon
SBA Communications
SBAC
+$258M
3
CNC icon
Centene
CNC
+$212M
4
ALGN icon
Align Technology
ALGN
+$207M
5
BABA icon
Alibaba
BABA
+$194M

Sector Composition

Rank Sector Weight
1 Financials 14.64%
2 Consumer Discretionary 14.51%
3 Technology 13.93%
4 Industrials 13.62%
5 Healthcare 11.44%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
MTN icon
26
Vail Resorts
MTN
$5.3B
$214M 0.83%
1,006,791
-319,911
-24% -$71.6M
UNH icon
27
UnitedHealth
UNH
$370B
$207M 0.81%
939,740
-195,237
-17% -$41.4M
HDB icon
28
HDFC Bank
HDB
$121B
$204M 0.79%
8,032,956
-3,145,844
-28% -$75.3M
EHC icon
29
Encompass Health
EHC
$12.4B
$198M 0.77%
5,035,622
-303,482
-6% -$11.5M
RHT
30
DELISTED
Red Hat Inc
RHT
$194M 0.75%
1,611,879
-1,000,876
-38% -$123M
VRSK icon
31
Verisk Analytics
VRSK
$25B
$191M 0.74%
1,986,562
-689,859
-26% -$62.4M
META icon
32
Meta Platforms (Facebook)
META
$1.51T
$188M 0.73%
1,067,826
-286,654
-21% -$50.7M
MA icon
33
Mastercard
MA
$493B
$186M 0.72%
1,231,168
-530,276
-30% -$78.9M
ABMD
34
DELISTED
Abiomed Inc
ABMD
$180M 0.7%
962,867
+18,006
+2% +$3.36M
LOPE icon
35
Grand Canyon Education
LOPE
$3.98B
$179M 0.7%
1,997,216
-91,733
-4% -$8.3M
LYV icon
36
Live Nation Entertainment
LYV
$42.1B
$176M 0.68%
4,138,611
+1,093,022
+36% +$47.6M
CVSA
37
Covista Inc
CVSA
$4.8B
$172M 0.67%
4,101,805
+550,779
+16% +$21.6M
LGND icon
38
Ligand Pharmaceuticals
LGND
$6.36B
$170M 0.66%
1,987,834
+148,590
+8% +$12.9M
MLM icon
39
Martin Marietta Materials
MLM
$33B
$166M 0.65%
753,144
+157,388
+26% +$33M
WEX icon
40
WEX
WEX
$6.31B
$165M 0.64%
1,170,728
+174,698
+18% +$21.9M
ROG icon
41
Rogers Corp
ROG
$2.4B
$163M 0.63%
1,007,996
+992,697
+6,489% +$150M
TTWO icon
42
Take-Two Interactive
TTWO
$46.1B
$162M 0.63%
1,473,896
-335,304
-19% -$36.6M
UNP icon
43
Union Pacific
UNP
$174B
$160M 0.62%
1,194,581
-249,031
-17% -$30M
VEEV icon
44
Veeva Systems
VEEV
$37.4B
$158M 0.62%
2,866,328
-51,562
-2% -$3.04M
CRL icon
45
Charles River Laboratories
CRL
$12.8B
$154M 0.6%
1,406,744
+1,361,626
+3,018% +$148M
NTES icon
46
NetEase
NTES
$84.7B
$154M 0.6%
2,227,325
-809,890
-27% -$50.6M
TSCO icon
47
Tractor Supply
TSCO
$18B
$152M 0.59%
10,158,080
-3,203,635
-24% -$41.1M
CHKP icon
48
Check Point Software Technologies
CHKP
$13.1B
$150M 0.58%
1,452,148
-1,246,414
-46% -$135M
OZK icon
49
Bank OZK
OZK
$5.61B
$150M 0.58%
3,097,339
+602,974
+24% +$28M
HTHT icon
50
Huazhu Hotels Group
HTHT
$13B
$148M 0.58%
4,107,796
+933,112
+29% +$29.5M
1
2
3 4 5

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William Blair Investment Management's Q4 2017 Portfolio in Review

As of Q4 2017, William Blair Investment Management held 463 positions worth $25.7B, down 7.9% from $27.9B the previous quarter. Its ten largest holdings account for 18% of the portfolio.

William Blair Investment Management withdrew a net $3.7B in Q4 2017, closing 36 positions and reducing 245 holdings. Its most notable exit was Worldpay, Inc., an estimated $346M position sold in full.

By sector, the portfolio is most concentrated in Financials at 15% of assets, up from 13% a quarter earlier, followed by Consumer Discretionary and Technology.

Against the trend, William Blair Investment Management opened a new position in Teledyne Technologies worth $121M.

  • William Blair Investment Management's largest Q4 2017 buy was Teledyne Technologies: 669,495 shares worth $121M.
  • William Blair Investment Management added most to State Street SPDR S&P 500 ETF Trust in Q4 2017, an estimated $206M increase.
  • William Blair Investment Management's biggest Q4 2017 reduction was SBA Communications, cutting an estimated $258M.
  • William Blair Investment Management fully exited Worldpay, Inc. in Q4 2017, selling an estimated $346M.
  • William Blair Investment Management's ten largest holdings make up 18% of its $25.7B portfolio in Q4 2017.
  • William Blair Investment Management opened 30 new positions and closed 36 in Q4 2017.
  • William Blair Investment Management's portfolio value fell 7.9% quarter-over-quarter to $25.7B.

Based on William Blair Investment Management's 13F filing for Q4 2017, filed 14 Feb 2018.