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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

Top Sells

Rank Stock Value
1
GOOG icon
Alphabet (Google) Class C
GOOG
+$115M
2
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$66M
3
COST icon
Costco
COST
+$33M
4
XRAY icon
Dentsply Sirona
XRAY
+$30.5M
5
PRAA icon
PRA Group
PRAA
+$24.5M

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
HPQ icon
1426
HP
HPQ
$24.9B
– –
-32,410
Closed -$567K
HSTM icon
1427
HealthStream
HSTM
$819M
– –
-71,050
Closed -$1.87M
HURN icon
1428
Huron Consulting
HURN
$2.41B
– –
-7,540
Closed -$326K
HWM icon
1429
CALL
Howmet Aerospace
HWM
$113B
– –
-1,043
Closed -$18K
HWM icon
1430
Howmet Aerospace
HWM
$113B
– –
-16,026
Closed -$278K
ISRG icon
1431
PUT
Intuitive Surgical
ISRG
$127B
– –
-900
Closed -$94K
JBLU icon
1432
JetBlue
JBLU
$2.28B
– –
-13,215
Closed -$302K
JNJ icon
1433
CALL
Johnson & Johnson
JNJ
$618B
– –
-6,000
Closed -$794K
JPM icon
1434
CALL
JPMorgan Chase
JPM
$935B
– –
-400
Closed -$37K
JWN
1435
CALL
DELISTED
Nordstrom
JWN
– –
-1,200
Closed -$57K
K
1436
CALL
DELISTED
Kellanova
K
– –
-107
Closed -$7K
KHC icon
1437
CALL
Kraft Heinz
KHC
$30.7B
– –
-200
Closed -$17K
KMX icon
1438
CALL
CarMax
KMX
$8.13B
– –
-700
Closed -$44K
KO icon
1439
CALL
Coca-Cola
KO
$377B
– –
-200
Closed -$9K
KRNT icon
1440
CALL
Kornit Digital
KRNT
$705M
– –
-700
Closed -$14K
LMAT icon
1441
LeMaitre Vascular
LMAT
$2.32B
– –
-6,807
Closed -$213K
LOW icon
1442
CALL
Lowe's Companies
LOW
$117B
– –
-200
Closed -$16K
LVS icon
1443
CALL
Las Vegas Sands
LVS
$31.7B
– –
-1,500
Closed -$96K
LW icon
1444
Lamb Weston
LW
$7.22B
– –
-6,600
Closed -$291K
MAS icon
1445
Masco
MAS
$14.1B
– –
-60,787
Closed -$2.32M
MCD icon
1446
CALL
McDonald's
MCD
$192B
– –
-2,700
Closed -$414K
MELI icon
1447
CALL
Mercado Libre
MELI
$95.2B
– –
-1,100
Closed -$276K
MFA.PRB
1448
MFA Financial 7.50% Series B Preferred Stock
MFA.PRB
$166M
– –
-8,500
Closed -$216K
MITK icon
1449
CALL
Mitek Systems
MITK
$754M
– –
-8,700
Closed -$73K
MITK icon
1450
Mitek Systems
MITK
$754M
– –
-14,302
Closed -$120K
56 57
58
59 60

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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.