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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
IBM icon
1251
CALL
IBM
IBM
$222B
$16K ﹤0.01%
+105
New +$16K
MVIS icon
1252
Microvision
MVIS
$74M
$16K ﹤0.01%
825
ZD icon
1253
CALL
Ziff Davis
ZD
$1.94B
$16K ﹤0.01%
+230
New +$14.6K
VMW
1254
CALL
DELISTED
VMware, Inc
VMW
$15K ﹤0.01%
+200
New +$15.5K
ATHX
1255
DELISTED
Athersys, Inc. Common Stock
ATHX
$15K ﹤0.01%
400
LULU icon
1256
CALL
lululemon athletica
LULU
$14B
$13K ﹤0.01%
+200
New +$11.9K
MIDD icon
1257
CALL
Middleby
MIDD
$6.12B
$13K ﹤0.01%
+100
New +$12.6K
ROST icon
1258
CALL
Ross Stores
ROST
$81.2B
$13K ﹤0.01%
+200
New +$13.1K
WMT icon
1259
CALL
Walmart Inc
WMT
$894B
$13K ﹤0.01%
+600
New +$14K
CBI
1260
CALL
DELISTED
Chicago Bridge & Iron Nv
CBI
$12K ﹤0.01%
400
-16,700
-98% -$522K
CRZO
1261
CALL
DELISTED
Carrizo Oil & Gas Inc
CRZO
$11K ﹤0.01%
+300
New +$11.6K
ENSV
1262
DELISTED
Enservco Corp.
ENSV
$10K ﹤0.01%
1,200
-1,100
-48% -$9.19K
NEPT
1263
DELISTED
Neptune Wellness Solutions Inc. Ordinary Shares
NEPT
$10K ﹤0.01%
8
GE icon
1264
CALL
GE Aerospace
GE
$396B
$9K ﹤0.01%
+63
New +$9.15K
JWN
1265
CALL
DELISTED
Nordstrom
JWN
$9K ﹤0.01%
+200
New +$10.9K
MTEM
1266
DELISTED
Molecular Templates, Inc.
MTEM
$9K ﹤0.01%
121
-25
-17% -$1.91K
PRAA icon
1267
PUT
PRA Group
PRAA
$656M
$8K ﹤0.01%
+200
New +$6.82K
PRGO icon
1268
CALL
Perrigo
PRGO
$1.84B
$8K ﹤0.01%
100
-9,300
-99% -$807K
RXD icon
1269
CALL
ProShares UltraShort Health Care
RXD
$3.18M
$8K ﹤0.01%
+50
New +$9.32K
AXP icon
1270
CALL
American Express
AXP
$236B
$7K ﹤0.01%
+100
New +$6.92K
GM icon
1271
CALL
General Motors
GM
$78.2B
$7K ﹤0.01%
+200
New +$6.72K
INTC icon
1272
CALL
Intel
INTC
$510B
$7K ﹤0.01%
+200
New +$7.16K
LLY icon
1273
CALL
Eli Lilly
LLY
$1.04T
$7K ﹤0.01%
+100
New +$7.45K
SRCL
1274
CALL
DELISTED
Stericycle Inc
SRCL
$7K ﹤0.01%
+100
New +$7.55K
MBLY
1275
CALL
DELISTED
Mobileye N.V.
MBLY
$7K ﹤0.01%
+200
New +$7.52K

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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.