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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

Top Sells

Rank Stock Value
1
SBUX icon
Starbucks
SBUX
+$35.1M
2
META icon
Meta Platforms (Facebook)
META
+$18.3M
3
INGN icon
Inogen
INGN
+$14.6M
4
MKTX icon
MarketAxess Holdings
MKTX
+$13M
5
PF
Pinnacle Foods, Inc.
PF
+$12.6M

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
IWC icon
1351
iShares Micro-Cap ETF
IWC
$1.5B
$127K ﹤0.01%
1,190
+890
+297% +$95.4K
EWY icon
1352
iShares MSCI South Korea ETF
EWY
$23.8B
$125K ﹤0.01%
1,834
-500
-21% -$33.1K
B
1353
Barrick Mining
B
$69.3B
$125K ﹤0.01%
11,280
-400
-3% -$4.45K
RFI
1354
Cohen & Steers Total Return Realty Fund
RFI
$307M
$125K ﹤0.01%
10,269
-33
-0.3% -$418
SCHC icon
1355
Schwab International Small-Cap Equity ETF
SCHC
$5.59B
$125K ﹤0.01%
3,515
– –
MGV icon
1356
Vanguard Morningstar Mega Cap Value ETF
MGV
$13.4B
$124K ﹤0.01%
1,547
+501
+48% +$39.4K
PGJ icon
1357
Invesco Golden Dragon China ETF
PGJ
$97.9M
$123K ﹤0.01%
3,200
– –
QDF icon
1358
FlexShares Quality Dividend Index Fund
QDF
$2.27B
$123K ﹤0.01%
2,601
+1,815
+231% +$85.2K
FSTX
1359
DELISTED
F-star Therapeutics, Inc. Common Stock
FSTX
$123K ﹤0.01%
+2,556
New +$128K
BBH icon
1360
VanEck Biotech ETF
BBH
$410M
$122K ﹤0.01%
900
– –
DGS icon
1361
WisdomTree Emerging Markets SmallCap Dividend Fund
DGS
$1.76B
$122K ﹤0.01%
2,675
+125
+5% +$5.88K
AGI icon
1362
Alamos Gold
AGI
$13B
$121K ﹤0.01%
26,318
+1,800
+7% +$8.86K
XSW icon
1363
State Street SPDR S&P Software & Services ETF
XSW
$471M
$119K ﹤0.01%
1,310
– –
CTLP
1364
DELISTED
Cantaloupe
CTLP
$118K ﹤0.01%
16,400
-6,300
-28% -$86.8K
FLOT icon
1365
iShares Floating Rate Bond ETF
FLOT
$10.3B
$118K ﹤0.01%
2,317
-356
-13% -$18.1K
MWA icon
1366
Mueller Water Products
MWA
$4.24B
$115K ﹤0.01%
+10,032
New +$119K
VDE icon
1367
Vanguard Energy ETF
VDE
$9.84B
$115K ﹤0.01%
1,090
-151
-12% -$15.7K
ILF icon
1368
iShares Latin America 40 ETF
ILF
$3.8B
$113K ﹤0.01%
3,588
– –
EWH icon
1369
iShares MSCI Hong Kong ETF
EWH
$1.21B
$112K ﹤0.01%
4,702
-26,005
-85% -$626K
EWU icon
1370
iShares MSCI United Kingdom ETF
EWU
$4.13B
$111K ﹤0.01%
3,248
-14,580
-82% -$498K
HIX
1371
Western Asset High Income Fund II
HIX
$353M
$111K ﹤0.01%
17,500
– –
CTIC
1372
DELISTED
CTI BioPharma Corp. (DE) Common Stock
CTIC
$111K ﹤0.01%
51,198
– –
GAB icon
1373
Gabelli Equity Trust
GAB
$1.76B
$109K ﹤0.01%
17,237
– –
NE
1374
DELISTED
Noble Corporation
NE
$109K ﹤0.01%
15,465
– –
EPP icon
1375
iShares MSCI Pacific ex Japan ETF
EPP
$2.26B
$107K ﹤0.01%
2,349
-9,849
-81% -$452K
53 54
55
56 57

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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.