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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
+4.87%
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
$13.3B
AUM Growth
+$909M
Cap. Flow
+$365M
Cap. Flow %
2.74%
Top 10 Hldgs %
18.02%
Holding
1,758
New
284
Increased
677
Reduced
459
Closed
116

Top Buys

Rank Stock Value
1
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$28.4M
2
WAB icon
Wabtec
WAB
+$24.8M
3
KRNT icon
Kornit Digital
KRNT
+$21.3M
4
AXP icon
American Express
AXP
+$18.2M
5
MSFT icon
Microsoft
MSFT
+$18.2M

Sector Composition

Rank Sector Weight
1 Healthcare 18.81%
2 Technology 16.26%
3 Financials 13.98%
4 Industrials 10.73%
5 Consumer Discretionary 9.39%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
CECO icon
1501
CALL
Ceco Environmental
CECO
$3.59B
$5K ﹤0.01%
+500
New +$5.04K
ABB
1502
CALL
DELISTED
ABB Ltd
ABB
$5K ﹤0.01%
200
-7,900
-98% -$194K
ACHN
1503
CALL
DELISTED
Achillion Pharmaceuticals
ACHN
$5K ﹤0.01%
+1,000
New +$4.02K
CRYO
1504
DELISTED
CRYOCOR, INC.
CRYO
$5K ﹤0.01%
+11,250
New +$5K
CCOI icon
1505
CALL
Cogent Communications
CCOI
$625M
$4K ﹤0.01%
100
FMSA
1506
CALL
DELISTED
Fairmount Santrol Holdings Inc.
FMSA
$4K ﹤0.01%
+1,000
New +$5.18K
MNDT
1507
CALL
DELISTED
Mandiant, Inc. Common Stock
MNDT
$3K ﹤0.01%
+200
New +$2.84K
EMES
1508
CALL
DELISTED
Emerge Energy Services LP
EMES
$3K ﹤0.01%
+300
New +$3.46K
AVCS
1509
DELISTED
AMERICAN VANTAGE CO'S
AVCS
$1K ﹤0.01%
21,865
AMLP icon
1510
Alerian MLP ETF
AMLP
$12.9B
-48,315
Closed -$3.1M
AMRN
1511
Amarin Corp
AMRN
$303M
-550
Closed -$37K
AMZN icon
1512
CALL
Amazon
AMZN
$2.49T
-12,000
Closed -$532K
ANF icon
1513
Abercrombie & Fitch
ANF
$4.54B
-56,647
Closed -$677K
ASMB icon
1514
Assembly Biosciences
ASMB
$504M
-3,404
Closed -$852K
BGS icon
1515
B&G Foods
BGS
$301M
-111,970
Closed -$4.76M
BPOP icon
1516
Popular Inc
BPOP
$11B
-23,500
Closed -$1.03M
BXMT icon
1517
Blackstone Mortgage Trust
BXMT
$2.77B
-7,425
Closed -$231K
BXP icon
1518
Boston Properties
BXP
$11.8B
-2,384
Closed -$327K
C icon
1519
CALL
Citigroup
C
$216B
-200
Closed -$12K
CBOE icon
1520
CALL
Cboe Global Markets
CBOE
$32.2B
-1,000
Closed -$81K
CCJ icon
1521
Cameco
CCJ
$37.6B
-14,250
Closed -$158K
CRI icon
1522
Carter's
CRI
$1.42B
-2,312
Closed -$207K
CRM icon
1523
CALL
Salesforce
CRM
$155B
-1,500
Closed -$124K
DBEU icon
1524
Xtrackers MSCI Europe Hedged Equity ETF
DBEU
$770M
-8,360
Closed -$218K
DEO icon
1525
CALL
Diageo
DEO
$49.4B
-500
Closed -$58K

Similar funds

William Blair & Company's Q2 2017 Portfolio in Review

As of Q2 2017, William Blair & Company held 1,758 positions worth $13.3B, up 7.3% from $12.4B the previous quarter. Its ten largest holdings account for 18% of the portfolio.

William Blair & Company's Q2 2017 filing shows 284 new, 677 increased, 459 reduced and 116 closed positions. Its largest new stake was Bob Evans Farms, Inc.: 219,278 shares worth $15.8M. The largest sale was Mobileye N.V., an estimated $60.9M.

By sector, the portfolio is most concentrated in Healthcare at 19% of assets, up from 18% a quarter earlier, followed by Technology and Financials.

  • William Blair & Company's largest Q2 2017 buy was Bob Evans Farms, Inc.: 219,278 shares worth $15.8M.
  • William Blair & Company added most to Alphabet (Google) Class A in Q2 2017, an estimated $28.4M increase.
  • William Blair & Company's biggest Q2 2017 reduction was Mobileye N.V., cutting an estimated $60.9M.
  • William Blair & Company fully exited Nord Anglia Education, Inc. in Q2 2017, selling an estimated $17.5M.
  • William Blair & Company's ten largest holdings make up 18% of its $13.3B portfolio in Q2 2017.
  • William Blair & Company opened 284 new positions and closed 116 in Q2 2017.
  • William Blair & Company's portfolio value rose 7.3% quarter-over-quarter to $13.3B.

Based on William Blair & Company's 13F filing for Q2 2017, filed 4 Aug 2017.