We are live on ! Find out more
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
IVW icon
451
iShares S&P 500 Growth ETF
IVW
$73.8B
$3.29M 0.02%
86,240
-10,164
-11% -$380K
FBC
452
DELISTED
Flagstar Bancorp, Inc. New
FBC
$3.29M 0.02%
87,900
AEP icon
453
American Electric Power
AEP
$69.6B
$3.28M 0.02%
44,622
-861
-2% -$64.3K
HBAN icon
454
Huntington Bancshares
HBAN
$34.4B
$3.28M 0.02%
225,354
-12,344
-5% -$173K
ODFL icon
455
Old Dominion Freight Line
ODFL
$44.1B
$3.23M 0.02%
73,698
-11,793
-14% -$474K
ADM icon
456
Archer Daniels Midland
ADM
$38.2B
$3.21M 0.02%
80,065
-45,128
-36% -$1.86M
APTV icon
457
Aptiv
APTV
$12B
$3.19M 0.02%
37,783
+35,010
+1,263% +$3.33M
GLOB icon
458
Globant
GLOB
$1.58B
$3.17M 0.02%
68,295
-4,810
-7% -$193K
GDX icon
459
VanEck Gold Miners ETF
GDX
$22.7B
$3.16M 0.02%
136,000
+61,927
+84% +$1.41M
ECPG icon
460
Encore Capital Group
ECPG
$2.02B
$3.15M 0.02%
74,703
-37,092
-33% -$1.69M
WELL icon
461
Welltower
WELL
$169B
$3.14M 0.02%
49,305
+23,392
+90% +$1.57M
ETN icon
462
Eaton
ETN
$161B
$3.14M 0.02%
39,749
+3,643
+10% +$283K
IWP icon
463
iShares Russell Mid-Cap Growth ETF
IWP
$19.8B
$3.13M 0.02%
51,928
+422
+0.8% +$24.8K
EWJ icon
464
iShares MSCI Japan ETF
EWJ
$21.9B
$3.13M 0.02%
+52,223
New +$3.07M
STZ icon
465
Constellation Brands
STZ
$22.2B
$3.12M 0.02%
13,646
+340
+3% +$73.5K
OZK icon
466
Bank OZK
OZK
$5.6B
$3.11M 0.02%
64,138
-119,031
-65% -$5.53M
PCYO icon
467
Pure Cycle
PCYO
$253M
$3.04M 0.02%
364,205
-7,950
-2% -$59.8K
SIX
468
DELISTED
Six Flags Entertainment Corp.
SIX
$3.04M 0.02%
45,662
-27,210
-37% -$1.74M
PSXP
469
DELISTED
PHILLIPS 66 PARTNERS LP
PSXP
$3.03M 0.02%
57,883
-2,665
-4% -$133K
AXTA icon
470
Axalta
AXTA
$7.66B
$3.02M 0.02%
93,446
-17,422
-16% -$552K
GSK icon
471
GSK
GSK
$104B
$3.02M 0.02%
68,163
-92,571
-58% -$4.28M
LEG icon
472
Leggett & Platt
LEG
$1.34B
$3M 0.02%
62,897
-465
-0.7% -$22K
NEO icon
473
NeoGenomics
NEO
$1.96B
$2.99M 0.02%
337,871
-78,519
-19% -$724K
RYN icon
474
Rayonier
RYN
$6.55B
$2.98M 0.02%
103,946
YUMC icon
475
Yum China
YUMC
$16.5B
$2.98M 0.02%
74,335
+2,327
+3% +$95.7K

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.