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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
+1.8%
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
$11.2B
AUM Growth
-$134M
Cap. Flow
-$132M
Cap. Flow %
-1.18%
Top 10 Hldgs %
17.1%
Holding
1,560
New
265
Increased
457
Reduced
545
Closed
146

Sector Composition

Rank Sector Weight
1 Healthcare 18.3%
2 Technology 15.54%
3 Financials 12.99%
4 Industrials 11.67%
5 Consumer Discretionary 10.13%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
BRK.B icon
1176
CALL
Berkshire Hathaway Class B
BRK.B
$1.12T
$114K ﹤0.01%
+700
New +$108K
OMER icon
1177
Omeros
OMER
$909M
$109K ﹤0.01%
11,000
MORE
1178
DELISTED
Monogram Residential Trust, Inc.
MORE
$108K ﹤0.01%
10,000
-7,500
-43% -$78.9K
NVDA icon
1179
PUT
NVIDIA
NVDA
$5.13T
$106K ﹤0.01%
+40,000
New +$83.6K
TSLA icon
1180
PUT
Tesla
TSLA
$1.29T
$106K ﹤0.01%
+7,500
New +$98.6K
HWCC
1181
DELISTED
Houston Wire & Cable Company
HWCC
$103K ﹤0.01%
15,855
-1,500
-9% -$9.04K
TCF.WS
1182
DELISTED
TCF Financial Corporation
TCF.WS
$101K ﹤0.01%
+28,750
New +$70.2K
PRAA icon
1183
CALL
PRA Group
PRAA
$666M
$97K ﹤0.01%
+2,500
New +$85.2K
FIG
1184
DELISTED
Fortress Investment Group Llc
FIG
$97K ﹤0.01%
+20,000
New +$101K
RBBN icon
1185
Ribbon Communications
RBBN
$379M
$95K ﹤0.01%
15,115
-12,114
-44% -$79.6K
EMR icon
1186
CALL
Emerson Electric
EMR
$89B
$94K ﹤0.01%
+1,700
New +$91.4K
ESSX
1187
DELISTED
ESSEX RENTAL CORP. COMMON STOCK
ESSX
$94K ﹤0.01%
554,958
-171,542
-24% -$29.1K
MX icon
1188
Magnachip Semiconductor
MX
$134M
$93K ﹤0.01%
+15,000
New +$102K
SJT
1189
San Juan Basin Royalty Trust
SJT
$113M
$93K ﹤0.01%
14,000
AWRE icon
1190
Aware
AWRE
$26.4M
$91K ﹤0.01%
14,900
-100
-0.7% -$552
CSCO icon
1191
CALL
Cisco
CSCO
$480B
$90K ﹤0.01%
+3,000
New +$91.5K
GLUU
1192
DELISTED
Glu Mobile Inc.
GLUU
$87K ﹤0.01%
44,900
HCACW
1193
DELISTED
Hennessy Capital Acquisition Corp. II
HCACW
$85K ﹤0.01%
+100,000
New +$32.8K
PSEC icon
1194
Prospect Capital
PSEC
$1.1B
$84K ﹤0.01%
10,000
TVIA
1195
DELISTED
TerraVia Holdings, Inc. Common Stock
TVIA
$82K ﹤0.01%
71,057
-24,800
-26% -$45K
ESI icon
1196
CALL
Element Solutions
ESI
$9.48B
$80K ﹤0.01%
+8,200
New +$70.1K
GOOGL icon
1197
PUT
Alphabet (Google) Class A
GOOGL
$4.62T
$79K ﹤0.01%
+2,000
New +$80K
AMZN icon
1198
PUT
Amazon
AMZN
$2.99T
$75K ﹤0.01%
+2,000
New +$78.4K
EW icon
1199
CALL
Edwards Lifesciences
EW
$51.1B
$75K ﹤0.01%
+2,400
New +$77.8K
HIO
1200
Western Asset High Income Opportunity Fund
HIO
$336M
$75K ﹤0.01%
14,980

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William Blair & Company's Q4 2016 Portfolio in Review

As of Q4 2016, William Blair & Company held 1,560 positions worth $11.2B, down 1.2% from $11.3B the previous quarter. Its ten largest holdings account for 17% of the portfolio.

William Blair & Company's Q4 2016 filing shows 265 new, 457 increased, 545 reduced and 146 closed positions. Its largest new stake was Hilton Worldwide: 158,405 shares worth $12.9M. The largest sale was Cerner Corp, an estimated $58.7M.

By sector, the portfolio is most concentrated in Healthcare at 18% of assets, down from 20% a quarter earlier, followed by Technology and Financials.

  • William Blair & Company's largest Q4 2016 buy was Hilton Worldwide: 158,405 shares worth $12.9M.
  • William Blair & Company added most to State Street SPDR S&P 500 ETF Trust in Q4 2016, an estimated $42.6M increase.
  • William Blair & Company's biggest Q4 2016 reduction was Cerner Corp, cutting an estimated $58.7M.
  • William Blair & Company fully exited PRESS GANEY HOLDINGS INC COM STK (DE) in Q4 2016, selling an estimated $24M.
  • William Blair & Company's ten largest holdings make up 17% of its $11.2B portfolio in Q4 2016.
  • William Blair & Company opened 265 new positions and closed 146 in Q4 2016.
  • William Blair & Company's portfolio value fell 1.2% quarter-over-quarter to $11.2B.

Based on William Blair & Company's 13F filing for Q4 2016, filed 14 Feb 2017.