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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
REGL icon
1251
ProShares S&P MidCap 400 Dividend Aristocrats ETF
REGL
$1.81B
$222K ﹤0.01%
3,902
+1,804
+86% +$102K
ECON icon
1252
Columbia Emerging Markets Consumer ETF
ECON
$333M
$221K ﹤0.01%
9,915
– –
HIG icon
1253
Hartford Financial Services
HIG
$39.6B
$221K ﹤0.01%
4,414
– –
KT icon
1254
KT
KT
$8.83B
$221K ﹤0.01%
+14,911
New +$204K
ALXN
1255
DELISTED
Alexion Pharmaceuticals
ALXN
$219K ﹤0.01%
1,575
-631
-29% -$79.2K
DJP icon
1256
iPath Bloomberg Commodity Index Total Return ETN due 12 June 2036
DJP
$790M
$218K ﹤0.01%
9,155
+1,534
+20% +$35.8K
GRPN icon
1257
Groupon
GRPN
$955M
$218K ﹤0.01%
+2,893
New +$254K
NVTA
1258
DELISTED
Invitae Corporation
NVTA
$217K ﹤0.01%
12,950
-156,035
-92% -$1.78M
NGHC
1259
DELISTED
National General Holdings Corp
NGHC
$217K ﹤0.01%
8,092
-150
-2% -$4.07K
SONC
1260
DELISTED
Sonic Corp
SONC
$217K ﹤0.01%
+5,000
New +$180K
SPEM icon
1261
State Street SPDR Portfolio Emerging Markets ETF
SPEM
$17.6B
$216K ﹤0.01%
+6,200
New +$218K
ASML icon
1262
ASML
ASML
$655B
$215K ﹤0.01%
1,142
-8
-0.7% -$1.6K
TPR icon
1263
Tapestry
TPR
$32.7B
$215K ﹤0.01%
+4,277
New +$209K
STRS icon
1264
Stratus Properties
STRS
$158M
$214K ﹤0.01%
7,000
– –
MSBI icon
1265
Midland States Bancorp
MSBI
$701M
$213K ﹤0.01%
6,629
– –
MDSO
1266
DELISTED
Medidata Solutions, Inc.
MDSO
$213K ﹤0.01%
2,901
+190
+7% +$15.2K
FDL icon
1267
First Trust Morningstar Dividend Leaders Index Fund
FDL
$7.77B
$212K ﹤0.01%
7,105
-152
-2% -$4.47K
SEE
1268
DELISTED
Sealed Air
SEE
$212K ﹤0.01%
+5,275
New +$218K
HUBS icon
1269
HubSpot
HUBS
$10.1B
$211K ﹤0.01%
+1,400
New +$192K
JNK icon
1270
State Street SPDR Bloomberg High Yield Bond ETF
JNK
$6.91B
$211K ﹤0.01%
1,952
+14
+0.7% +$1.5K
NOBL icon
1271
ProShares S&P 500 Dividend Aristocrats ETF
NOBL
$11.9B
$211K ﹤0.01%
6,330
-100
-2% -$3.28K
FPF
1272
First Trust Intermediate Duration Preferred & Income Fund
FPF
$1.07B
$210K ﹤0.01%
9,742
-3,818
-28% -$83.1K
SIRI icon
1273
SiriusXM
SIRI
$10.1B
$210K ﹤0.01%
3,324
-600
-15% -$41.8K
HST icon
1274
Host Hotels & Resorts
HST
$16B
$209K ﹤0.01%
+9,919
New +$210K
RFDI icon
1275
First Trust RiverFront Dynamic Developed International ETF
RFDI
$166M
$209K ﹤0.01%
3,377
– –
49 50
51
52 53

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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.