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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
PLAY icon
1476
PUT
Dave & Buster's
PLAY
$377M
– –
-300
Closed -$20K
PM icon
1477
CALL
Philip Morris
PM
$297B
– –
-200
Closed -$23K
PRAA icon
1478
CALL
PRA Group
PRAA
$663M
– –
-1,700
Closed -$64K
PRGO icon
1479
CALL
Perrigo
PRGO
$1.4B
– –
-6,600
Closed -$498K
PRLB icon
1480
CALL
Protolabs
PRLB
$1.79B
– –
-100
Closed -$7K
PYPL icon
1481
CALL
PayPal
PYPL
$48.9B
– –
-900
Closed -$48K
QABA icon
1482
First Trust NASDAQ ABA Community Bank Index Fund
QABA
$93.2M
– –
-8,221
Closed -$416K
RBBN icon
1483
Ribbon Communications
RBBN
$377M
– –
-10,200
Closed -$76K
RH icon
1484
RH
RH
$3.13B
– –
-21,150
Closed -$1.36M
RILY icon
1485
BRC Group Holdings
RILY
$288M
– –
-15,805
Closed -$293K
RJF icon
1486
Raymond James Financial
RJF
$33.8B
– –
-4,229
Closed -$226K
SBUX icon
1487
PUT
Starbucks
SBUX
$120B
– –
-700
Closed -$41K
SEE
1488
DELISTED
Sealed Air
SEE
– –
-4,667
Closed -$209K
SGMO
1489
DELISTED
SANGAMO THERAPEUTICS INC
SGMO
– –
-12,100
Closed -$106K
SHM icon
1490
State Street SPDR Nuveen ICE Short Term Municipal Bond ETF
SHM
$3.46B
– –
-13,832
Closed -$671K
SILC icon
1491
Silicom
SILC
$229M
– –
-14,525
Closed -$644K
SNAP icon
1492
Snap
SNAP
$7.89B
– –
-17,865
Closed -$317K
SO icon
1493
CALL
Southern Company
SO
$109B
– –
-4,000
Closed -$192K
SONY icon
1494
CALL
Sony
SONY
$137B
– –
-2,500
Closed -$19K
SR icon
1495
Spire
SR
$4.72B
– –
-8,625
Closed -$602K
SSTK icon
1496
Shutterstock
SSTK
$198M
– –
-47,565
Closed -$2.1M
STRS icon
1497
Stratus Properties
STRS
$156M
– –
-7,000
Closed -$206K
T icon
1498
CALL
AT&T
T
$159B
– –
-6,885
Closed -$196K
TDG icon
1499
CALL
TransDigm Group
TDG
$70.2B
– –
-300
Closed -$81K
TEAM icon
1500
CALL
Atlassian
TEAM
$25.6B
– –
-400
Closed -$14K
58 59
60
61 62

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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.