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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
+10.92%
1 Year Est. Return
+18.88%
3 Year Est. Return
+73.84%
5 Year Est. Return
+90.13%
10 Year Est. Return
+563.35%
AUM
$16.3B
AUM Growth
+$1.62B
Cap. Flow
+$161M
Cap. Flow %
0.98%
Top 10 Hldgs %
21.12%
Holding
1,696
New
110
Increased
623
Reduced
570
Closed
77

Top Buys

Rank Stock Value
1
DLB icon
Dolby
DLB
+$37M
2
DSI icon
iShares MSCI KLD 400 Social ETF
DSI
+$20M
3
PGR icon
Progressive
PGR
+$19.6M
4
KMX icon
CarMax
KMX
+$19.2M
5
TYL icon
Tyler Technologies
TYL
+$18.5M

Sector Composition

Rank Sector Weight
1 Technology 21.34%
2 Healthcare 18.9%
3 Financials 12.91%
4 Industrials 9.71%
5 Consumer Discretionary 9.37%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
ABM icon
1051
ABM Industries
ABM
$2.84B
$370K ﹤0.01%
11,462
+769
+7% +$24.3K
ALV icon
1052
Autoliv
ALV
$8.83B
$370K ﹤0.01%
4,263
-1,654
-28% -$158K
WFC.PRL icon
1053
Wells Fargo 7.5% Non Cumv Perp Conv
WFC.PRL
$4.65B
$370K ﹤0.01%
288
CF icon
1054
CF Industries
CF
$17.7B
$364K ﹤0.01%
6,692
-18
-0.3% -$868
MLM icon
1055
Martin Marietta Materials
MLM
$32.3B
$364K ﹤0.01%
2,003
-548
-21% -$113K
RJF icon
1056
Raymond James Financial
RJF
$34.5B
$364K ﹤0.01%
5,925
+2,185
+58% +$135K
SCHB icon
1057
Schwab US Broad Market ETF
SCHB
$44.5B
$362K ﹤0.01%
30,888
ASMB icon
1058
Assembly Biosciences
ASMB
$524M
$360K ﹤0.01%
807
-250
-24% -$117K
CX icon
1059
Cemex
CX
$16.3B
$358K ﹤0.01%
+50,824
New +$356K
DG icon
1060
Dollar General
DG
$28.1B
$358K ﹤0.01%
3,272
+277
+9% +$28.8K
NDAQ icon
1061
Nasdaq
NDAQ
$52.9B
$358K ﹤0.01%
12,501
-1,800
-13% -$55.4K
XT icon
1062
iShares Future Exponential Technologies ETF
XT
$3.91B
$358K ﹤0.01%
9,252
MLPI
1063
DELISTED
UBS E-TRACS Alerian MLP Infrastructure ETN
MLPI
$358K ﹤0.01%
14,867
+16
+0.1% +$388
DPZ icon
1064
Domino's
DPZ
$11.9B
$357K ﹤0.01%
1,212
-241
-17% -$68.3K
CHTR icon
1065
Charter Communications
CHTR
$18.8B
$356K ﹤0.01%
1,092
+38
+4% +$11.6K
CSGS
1066
DELISTED
CSG Systems International
CSGS
$356K ﹤0.01%
+8,881
New +$351K
FXI icon
1067
iShares China Large-Cap ETF
FXI
$4.29B
$356K ﹤0.01%
8,325
+1,490
+22% +$63.1K
ICF icon
1068
iShares Select U.S. REIT ETF
ICF
$2.08B
$355K ﹤0.01%
7,088
+6,018
+562% +$305K
TLND
1069
DELISTED
Talend S.A. American Depositary Shares
TLND
$355K ﹤0.01%
5,085
-21,108
-81% -$1.33M
ECC
1070
Eagle Point Credit Company
ECC
$516M
$354K ﹤0.01%
19,800
GOVT icon
1071
iShares US Treasury Bond ETF
GOVT
$43.5B
$351K ﹤0.01%
14,410
-1,641
-10% -$40.2K
GBT
1072
DELISTED
Global Blood Therapeutics, Inc.
GBT
$348K ﹤0.01%
9,150
+500
+6% +$22.1K
TIF
1073
DELISTED
Tiffany & Co.
TIF
$347K ﹤0.01%
2,689
+800
+42% +$105K
ALLK
1074
DELISTED
Allakos
ALLK
$346K ﹤0.01%
+7,700
New +$316K
HLI icon
1075
Houlihan Lokey
HLI
$8.92B
$346K ﹤0.01%
7,697
+233
+3% +$11.3K

Similar funds

William Blair & Company's Q3 2018 Portfolio in Review

As of Q3 2018, William Blair & Company held 1,696 positions worth $16.3B, up 11% from $14.7B the previous quarter. Its ten largest holdings account for 21% of the portfolio.

William Blair & Company's Q3 2018 filing shows 110 new, 623 increased, 570 reduced and 77 closed positions. Its largest new stake was Marvell Technology: 234,218 shares worth $4.52M. The largest sale was Starbucks, an estimated $35.1M.

By sector, the portfolio is most concentrated in Technology at 21% of assets, up from 20% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q3 2018 buy was Marvell Technology: 234,218 shares worth $4.52M.
  • William Blair & Company added most to Dolby in Q3 2018, an estimated $37M increase.
  • William Blair & Company's biggest Q3 2018 reduction was Starbucks, cutting an estimated $35.1M.
  • William Blair & Company fully exited Williams Partners L.P. in Q3 2018, selling an estimated $7.8M.
  • William Blair & Company's ten largest holdings make up 21% of its $16.3B portfolio in Q3 2018.
  • William Blair & Company opened 110 new positions and closed 77 in Q3 2018.
  • William Blair & Company's portfolio value rose 11% quarter-over-quarter to $16.3B.

Based on William Blair & Company's 13F filing for Q3 2018, filed 13 Nov 2018.