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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
AKS
1401
DELISTED
AK Steel Holding Corp
AKS
$78K ﹤0.01%
+11,925
New +$74.8K
HIO
1402
Western Asset High Income Opportunity Fund
HIO
$331M
$76K ﹤0.01%
14,980
RBBN icon
1403
Ribbon Communications
RBBN
$386M
$76K ﹤0.01%
10,200
MITK icon
1404
CALL
Mitek Systems
MITK
$756M
$73K ﹤0.01%
8,700
+6,700
+335% +$54.7K
MACK
1405
DELISTED
Merrimack Pharmaceuticals, Inc.
MACK
$73K ﹤0.01%
7,506
-30,510
-80% -$623K
AWRE icon
1406
Aware
AWRE
$24M
$72K ﹤0.01%
14,000
BABA icon
1407
CALL
Alibaba
BABA
$276B
$70K ﹤0.01%
500
WGO icon
1408
CALL
Winnebago Industries
WGO
$900M
$70K ﹤0.01%
+2,000
New +$56K
PEP icon
1409
CALL
PepsiCo
PEP
$196B
$69K ﹤0.01%
+600
New +$68.8K
CL icon
1410
CALL
Colgate-Palmolive
CL
$74.8B
$67K ﹤0.01%
900
+700
+350% +$52K
CSCO icon
1411
CALL
Cisco
CSCO
$443B
$66K ﹤0.01%
2,100
+300
+17% +$9.77K
ACIA
1412
CALL
DELISTED
Acacia Communications Inc
ACIA
$66K ﹤0.01%
1,600
-200
-11% -$9.62K
PRAA icon
1413
CALL
PRA Group
PRAA
$672M
$64K ﹤0.01%
1,700
-900
-35% -$31.4K
OEF icon
1414
CALL
iShares S&P 100 ETF
OEF
$19.5B
$62K ﹤0.01%
+200
New +$21.3K
NM
1415
DELISTED
Navios Maritime Holdings Inc.
NM
$58K ﹤0.01%
4,200
JWN
1416
CALL
DELISTED
Nordstrom
JWN
$57K ﹤0.01%
1,200
+600
+100% +$27.3K
NE
1417
DELISTED
Noble Corporation
NE
$57K ﹤0.01%
+15,852
New +$72.9K
BMY icon
1418
PUT
Bristol-Myers Squibb
BMY
$129B
$56K ﹤0.01%
+1,000
New +$54.4K
PPT
1419
Franklin Premier Income Trust
PPT
$323M
$54K ﹤0.01%
10,000
-936
-9% -$4.91K
SRRA
1420
DELISTED
Sierra Oncology, Inc. Common Stock
SRRA
$54K ﹤0.01%
1,149
CVX icon
1421
CALL
Chevron
CVX
$382B
$52K ﹤0.01%
500
+400
+400% +$42.4K
CELG
1422
CALL
DELISTED
Celgene Corp
CELG
$52K ﹤0.01%
400
GE icon
1423
CALL
GE Aerospace
GE
$364B
$51K ﹤0.01%
396
-1,002
-72% -$137K
THS
1424
CALL
DELISTED
Treehouse Foods
THS
$49K ﹤0.01%
600
-200
-25% -$16.4K
TCF.WS
1425
DELISTED
TCF Financial Corporation
TCF.WS
$49K ﹤0.01%
38,800
+4,550
+13% +$7.26K

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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.