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William Blair & Company

William Blair & Company Portfolio holdings

AUM $34.9B
1-Year Est. Return 18.88%
This Fund
S&P 500
This Quarter Est. Return
+7.4%
1 Year Est. Return
+18.88%
3 Year Est. Return
+73.84%
5 Year Est. Return
+90.13%
10 Year Est. Return
+512.03%
AUM
$14.7B
AUM Growth
+$1.4B
Cap. Flow
+$534M
Cap. Flow %
3.62%
Top 10 Hldgs %
19%
Holding
1,488
New
131
Increased
528
Reduced
556
Closed
127

Top Sells

Rank Stock Value
1
ZD icon
Ziff Davis
ZD
+$22.1M
2
GE icon
GE Aerospace
GE
+$19.1M
3
EFX icon
Equifax
EFX
+$17.7M
4
NUVA
NuVasive, Inc.
NUVA
+$17.1M
5
WBA
Walgreens Boots Alliance
WBA
+$13.6M

Sector Composition

Rank Sector Weight
1 Healthcare 17.74%
2 Technology 17.58%
3 Financials 14.76%
4 Industrials 10.83%
5 Consumer Discretionary 9.09%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
EPP icon
951
iShares MSCI Pacific ex Japan ETF
EPP
$2.22B
$526K ﹤0.01%
10,997
+1,024
+10% +$48.4K
RIG icon
952
Transocean
RIG
$5.89B
$526K ﹤0.01%
49,265
+3,190
+7% +$33.1K
RELX icon
953
RELX
RELX
$61.8B
$525K ﹤0.01%
22,149
-694
-3% -$16.1K
AIV
954
Aimco
AIV
$387M
$523K ﹤0.01%
89,819
+743
+0.8% +$4.38K
MYGN icon
955
Myriad Genetics
MYGN
$270M
$522K ﹤0.01%
15,188
-35,560
-70% -$1.2M
P
956
Everpure Inc
P
$25.7B
$521K ﹤0.01%
+32,880
New +$548K
HDS
957
DELISTED
HD Supply Holdings, Inc.
HDS
$520K ﹤0.01%
12,987
-5,760
-31% -$211K
ATO icon
958
Atmos Energy
ATO
$28.8B
$511K ﹤0.01%
5,952
+400
+7% +$35.2K
NICE icon
959
Nice
NICE
$5.79B
$510K ﹤0.01%
+5,552
New +$472K
GMED icon
960
Globus Medical
GMED
$10.7B
$509K ﹤0.01%
12,380
PAAS icon
961
Pan American Silver
PAAS
$18.2B
$508K ﹤0.01%
32,672
-4,200
-11% -$66.6K
VONG icon
962
Vanguard Russell 1000 Growth ETF
VONG
$42.8B
$508K ﹤0.01%
14,732
HAS icon
963
Hasbro
HAS
$13.2B
$507K ﹤0.01%
5,579
+321
+6% +$30.1K
DLR icon
964
Digital Realty Trust
DLR
$69.7B
$505K ﹤0.01%
4,436
-646
-13% -$76.1K
VIAB
965
DELISTED
Viacom Inc. Class B
VIAB
$504K ﹤0.01%
16,347
-2,049
-11% -$55.6K
ANDX
966
DELISTED
Andeavor Logistics LP
ANDX
$501K ﹤0.01%
10,852
+45
+0.4% +$2.08K
STGW icon
967
Stagwell
STGW
$2.07B
$498K ﹤0.01%
51,050
-18,850
-27% -$207K
DSGR icon
968
Distribution Solutions Group
DSGR
$1.6B
$497K ﹤0.01%
40,162
MDP
969
DELISTED
Meredith Corporation
MDP
$492K ﹤0.01%
7,455
EMES
970
DELISTED
Emerge Energy Services LP
EMES
$490K ﹤0.01%
68,175
+31,850
+88% +$249K
IQV icon
971
IQVIA
IQV
$38.7B
$489K ﹤0.01%
4,997
+40
+0.8% +$4.07K
CORT icon
972
Corcept Therapeutics
CORT
$12.4B
$488K ﹤0.01%
27,000
CVGW
973
DELISTED
Calavo Growers
CVGW
$488K ﹤0.01%
5,785
PRAH
974
DELISTED
PRA Health Sciences, Inc.
PRAH
$488K ﹤0.01%
5,355
+1,230
+30% +$102K
ASB icon
975
Associated Banc-Corp
ASB
$5.83B
$486K ﹤0.01%
19,142
+9,560
+100% +$239K

Similar funds

William Blair & Company's Q4 2017 Portfolio in Review

As of Q4 2017, William Blair & Company held 1,488 positions worth $14.7B, up 10% from $13.3B the previous quarter. Its ten largest holdings account for 19% of the portfolio.

William Blair & Company deployed $534M of net new capital in Q4 2017, opening 131 new positions and adding to 528 existing holdings. Its largest new stake was Dynavax Technologies: 1,980,526 shares worth $37M.

By sector, the portfolio is most concentrated in Healthcare at 18% of assets, down from 19% a quarter earlier, followed by Technology and Financials.

On the sell side, the largest reduction was Ziff Davis, an estimated $22.1M trimmed.

  • William Blair & Company's largest Q4 2017 buy was Dynavax Technologies: 1,980,526 shares worth $37M.
  • William Blair & Company added most to Alphabet (Google) Class C in Q4 2017, an estimated $138M increase.
  • William Blair & Company's biggest Q4 2017 reduction was Ziff Davis, cutting an estimated $22.1M.
  • William Blair & Company fully exited Bob Evans Farms, Inc. in Q4 2017, selling an estimated $12.5M.
  • William Blair & Company's ten largest holdings make up 19% of its $14.7B portfolio in Q4 2017.
  • William Blair & Company opened 131 new positions and closed 127 in Q4 2017.
  • William Blair & Company's portfolio value rose 10% quarter-over-quarter to $14.7B.

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