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
BRKL
901
DELISTED
Brookline Bancorp
BRKL
$607K ﹤0.01%
38,656
+1,000
+3% +$15.6K
GAP
902
The Gap Inc
GAP
$7.23B
$606K ﹤0.01%
17,792
DEM icon
903
WisdomTree Emerging Markets High Dividend Fund
DEM
$3.9B
$600K ﹤0.01%
13,233
+1,058
+9% +$46.2K
NI icon
904
NiSource
NI
$21.3B
$600K ﹤0.01%
23,389
-2,064
-8% -$54.8K
ROG icon
905
Rogers Corp
ROG
$2.21B
$600K ﹤0.01%
+3,703
New +$558K
SLF icon
906
Sun Life Financial
SLF
$46B
$599K ﹤0.01%
14,514
CAKE icon
907
Cheesecake Factory
CAKE
$5.04B
$592K ﹤0.01%
12,294
-1,632
-12% -$74.2K
IMUX icon
908
Immunic
IMUX
$190M
$592K ﹤0.01%
249
STWD icon
909
Starwood Property Trust
STWD
$5.92B
$591K ﹤0.01%
27,667
-54
-0.2% -$1.17K
EXPE icon
910
Expedia Group
EXPE
$35.4B
$583K ﹤0.01%
4,866
-32
-0.7% -$4.15K
KBH icon
911
KB Home
KBH
$3.37B
$578K ﹤0.01%
18,100
-650
-3% -$18.7K
LAD icon
912
Lithia Motors
LAD
$8.47B
$577K ﹤0.01%
5,084
+13
+0.3% +$1.51K
VIGI icon
913
Vanguard International Dividend Appreciation ETF
VIGI
$9.08B
$577K ﹤0.01%
8,710
+4,060
+87% +$264K
FRC
914
DELISTED
First Republic Bank
FRC
$577K ﹤0.01%
6,656
-829
-11% -$78.6K
PFPT
915
DELISTED
Proofpoint, Inc.
PFPT
$576K ﹤0.01%
6,481
VRP icon
916
Invesco Variable Rate Preferred ETF
VRP
$2.98B
$575K ﹤0.01%
22,407
+2,187
+11% +$56.6K
VRNS icon
917
Varonis Systems
VRNS
$4.59B
$573K ﹤0.01%
35,430
IMAX icon
918
IMAX
IMAX
$2.62B
$571K ﹤0.01%
24,668
-30,700
-55% -$723K
CWB icon
919
State Street SPDR Bloomberg Convertible Securities ETF
CWB
$5.6B
$570K ﹤0.01%
11,265
-2,282
-17% -$117K
GDXJ icon
920
VanEck Junior Gold Miners ETF
GDXJ
$6.89B
$570K ﹤0.01%
16,703
+7,730
+86% +$252K
AEM icon
921
Agnico Eagle Mines
AEM
$73.6B
$569K ﹤0.01%
12,317
-575
-4% -$25.7K
UCBA
922
DELISTED
United Community Bancorp
UCBA
$566K ﹤0.01%
27,525
MCY icon
923
Mercury Insurance
MCY
$5.93B
$565K ﹤0.01%
10,570
TLP
924
DELISTED
Transmontaigne
TLP
$563K ﹤0.01%
14,273
+7
+0% +$286
LUMN icon
925
Lumen
LUMN
$6.57B
$561K ﹤0.01%
33,607
+1,852
+6% +$31.4K

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.