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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
EMGF icon
1526
iShares Emerging Markets Equity Factor ETF
EMGF
$1.86B
$21K ﹤0.01%
+485
New +$21.6K
FEMB icon
1527
First Trust Emerging Markets Local Currency Bond ETF
FEMB
$363M
$21K ﹤0.01%
580
– –
RSX
1528
DELISTED
VanEck Russia ETF
RSX
$21K ﹤0.01%
951
-483
-34% -$10K
QADB
1529
DELISTED
QAD Inc. Class B
QADB
$21K ﹤0.01%
500
– –
EWW icon
1530
iShares MSCI Mexico ETF
EWW
$1.99B
$20K ﹤0.01%
400
– –
RNDM
1531
DELISTED
First Trust Developed International Equity Select ETF
RNDM
$20K ﹤0.01%
400
– –
FXO icon
1532
First Trust Financials AlphaDEX Fund
FXO
$1.15B
$19K ﹤0.01%
600
– –
SDIV icon
1533
Global X SuperDividend ETF
SDIV
$1.21B
$19K ﹤0.01%
305
– –
SOCL icon
1534
Global X Social Media ETF
SOCL
$93.2M
$19K ﹤0.01%
595
– –
IXC icon
1535
iShares Global Energy ETF
IXC
$2.77B
$18K ﹤0.01%
472
– –
RPG icon
1536
Invesco S&P 500 Pure Growth ETF
RPG
$2.08B
$18K ﹤0.01%
+760
New +$18K
FM
1537
DELISTED
iShares Frontier and Select EM ETF
FM
$18K ﹤0.01%
617
+75
+14% +$2.15K
EWI icon
1538
iShares MSCI Italy ETF
EWI
$1.07B
$17K ﹤0.01%
607
– –
NGD
1539
DELISTED
New Gold Inc
NGD
$17K ﹤0.01%
21,985
-1,000
-4% -$1.29K
ERUS
1540
DELISTED
iShares MSCI Russia ETF
ERUS
$17K ﹤0.01%
487
– –
ELD icon
1541
WisdomTree Emerging Markets Local Debt Fund
ELD
$143M
$16K ﹤0.01%
496
-450
-48% -$15.1K
EZA icon
1542
iShares MSCI South Africa ETF
EZA
$592M
$16K ﹤0.01%
296
– –
FXU icon
1543
First Trust Utilities AlphaDEX Fund
FXU
$827M
$16K ﹤0.01%
570
+1
+0.2% +$27
MCHI icon
1544
iShares MSCI China ETF
MCHI
$6.37B
$16K ﹤0.01%
263
– –
FNDX icon
1545
Schwab Fundamental US Large Company Index ETF
FNDX
$27.3B
$15K ﹤0.01%
1,170
-246
-17% -$3.2K
KCE icon
1546
State Street SPDR S&P Capital Markets ETF
KCE
$468M
$15K ﹤0.01%
272
+1
+0.4% +$58
SCHM icon
1547
Schwab US Mid-Cap ETF
SCHM
$15.1B
$15K ﹤0.01%
780
-1,056
-58% -$20.1K
RBS.PRS.CL
1548
DELISTED
The Royal Bank Of Scotland Group
RBS.PRS.CL
$15K ﹤0.01%
+600
New +$15.4K
ECH icon
1549
iShares MSCI Chile ETF
ECH
$1.06B
$14K ﹤0.01%
319
– –
FTXO icon
1550
First Trust Nasdaq Bank ETF
FTXO
$311M
$14K ﹤0.01%
+500
New +$14.7K
60 61
62
63 64

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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.