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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
+4.57%
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
+$17.7M
Cap. Flow
-$449M
Cap. Flow %
-3.37%
Top 10 Hldgs %
18.64%
Holding
1,772
New
130
Increased
581
Reduced
525
Closed
417

Top Buys

Rank Stock Value
1
WSO icon
Watsco Inc
WSO
+$36.3M
2
BL icon
BlackLine
BL
+$21.8M
3
EVH icon
Evolent Health
EVH
+$19.6M
4
PGR icon
Progressive
PGR
+$17.2M
5
JPM icon
JPMorgan Chase
JPM
+$16.9M

Sector Composition

Rank Sector Weight
1 Healthcare 18.86%
2 Technology 17.6%
3 Financials 14.62%
4 Industrials 10.54%
5 Consumer Discretionary 8.84%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
SYRE icon
1326
Spyre Therapeutics
SYRE
$8.54B
$55K ﹤0.01%
448
AVP
1327
DELISTED
Avon Products, Inc.
AVP
$55K ﹤0.01%
23,700
+2,500
+12% +$7.41K
SBUX icon
1328
CALL
Starbucks
SBUX
$120B
$54K ﹤0.01%
1,000
-4,800
-83% -$266K
PPT
1329
Franklin Premier Income Trust
PPT
$324M
$53K ﹤0.01%
10,000
RAS
1330
DELISTED
RAIT Financial Trust
RAS
$53K ﹤0.01%
72,200
+50,000
+225% +$65.7K
NTZ
1331
Natuzzi
NTZ
$13.4M
$51K ﹤0.01%
+4,956
New +$64.1K
RAD
1332
DELISTED
Rite Aid Corporation
RAD
$50K ﹤0.01%
1,265
-1,050
-45% -$49.8K
GM.WS.B
1333
DELISTED
General Motors Company
GM.WS.B
$49K ﹤0.01%
+2,202
New +$40.8K
CIK
1334
Credit Suisse Asset Management Income Fund
CIK
$134M
$46K ﹤0.01%
+13,644
New +$45.9K
SREV
1335
DELISTED
ServiceSource International, Inc.
SREV
$42K ﹤0.01%
12,000
MVIS icon
1336
Microvision
MVIS
$6.21M
$34K ﹤0.01%
12,375
CMA.WS
1337
DELISTED
Comerica Incorporated Ws
CMA.WS
$33K ﹤0.01%
+700
New +$29.9K
CELG
1338
CALL
DELISTED
Celgene Corp
CELG
$29K ﹤0.01%
200
-200
-50% -$27.2K
ACIA
1339
CALL
DELISTED
Acacia Communications Inc
ACIA
$28K ﹤0.01%
600
-1,000
-63% -$44.6K
ENSV
1340
DELISTED
Enservco Corp.
ENSV
$23K ﹤0.01%
2,867
-160
-5% -$972
PTLA
1341
CALL
DELISTED
Portola Pharmaceuticals, Inc.
PTLA
$22K ﹤0.01%
400
-1,700
-81% -$99.8K
KMI icon
1342
CALL
Kinder Morgan
KMI
$71.7B
$19K ﹤0.01%
1,000
-500
-33% -$9.74K
LULU icon
1343
CALL
lululemon athletica
LULU
$13.5B
$19K ﹤0.01%
300
-400
-57% -$24.1K
AVGR
1344
DELISTED
Avinger, Inc. Common Stock
AVGR
-1
Closed -$44.3K
INFI
1345
DELISTED
Infinity Pharmaceuticals, Inc.
INFI
$16K ﹤0.01%
12,250
-1,075
-8% -$1.33K
AAPL icon
1346
CALL
Apple
AAPL
$4.54T
$15K ﹤0.01%
400
-25,200
-98% -$978K
CBOE icon
1347
CALL
Cboe Global Markets
CBOE
$32.5B
$11K ﹤0.01%
+100
New +$9.84K
NEPT
1348
DELISTED
Neptune Wellness Solutions Inc. Ordinary Shares
NEPT
$10K ﹤0.01%
8
COF.WS
1349
DELISTED
Capital One Financial Corp
COF.WS
$9K ﹤0.01%
+200
New +$8.2K
ASB.WS
1350
DELISTED
Associated Banc-Corp Warrants
ASB.WS
$4K ﹤0.01%
+875
New +$3.84K

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William Blair & Company's Q3 2017 Portfolio in Review

As of Q3 2017, William Blair & Company held 1,772 positions worth $13.3B, up 0.13% from $13.3B the previous quarter. Its ten largest holdings account for 19% of the portfolio.

William Blair & Company withdrew a net $449M in Q3 2017, closing 417 positions and reducing 525 holdings. Its most notable exit was Dave & Buster's, an estimated $20.3M position sold in full.

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

Against the trend, William Blair & Company opened a new position in Quantenna Communications, Inc. Common Stock worth $9.07M.

  • William Blair & Company's largest Q3 2017 buy was Quantenna Communications, Inc. Common Stock: 539,590 shares worth $9.07M.
  • William Blair & Company added most to Watsco Inc in Q3 2017, an estimated $36.3M increase.
  • William Blair & Company's biggest Q3 2017 reduction was Alphabet (Google) Class C, cutting an estimated $115M.
  • William Blair & Company fully exited Dave & Buster's in Q3 2017, selling an estimated $20.3M.
  • William Blair & Company's ten largest holdings make up 19% of its $13.3B portfolio in Q3 2017.
  • William Blair & Company opened 130 new positions and closed 417 in Q3 2017.
  • William Blair & Company's portfolio value rose 0.13% quarter-over-quarter to $13.3B.

Based on William Blair & Company's 13F filing for Q3 2017, filed 13 Nov 2017.