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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
+8.77%
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
$12.4B
AUM Growth
+$1.23B
Cap. Flow
+$420M
Cap. Flow %
3.39%
Top 10 Hldgs %
17.91%
Holding
1,607
New
193
Increased
600
Reduced
460
Closed
133

Sector Composition

Rank Sector Weight
1 Healthcare 18.3%
2 Technology 16.24%
3 Financials 13.61%
4 Industrials 11.16%
5 Consumer Discretionary 9.51%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
XBI icon
1426
State Street SPDR S&P Biotech ETF
XBI
$9.95B
-6,508
Closed -$385K
FLG
1427
Flagstar Bank National Association
FLG
$5.93B
-4,230
Closed -$202K
MRO
1428
CALL
DELISTED
Marathon Oil Corporation
MRO
-1,200
Closed -$20K
DSKE
1429
DELISTED
Daseke, Inc. Common Stock
DSKE
-100,000
Closed -$1.01M
MTEM
1430
DELISTED
Molecular Templates, Inc.
MTEM
-121
Closed -$9K
BSMX
1431
DELISTED
Banco Santander México, S, A., Institución de Banca Múltiple, Grupo Financiero Santander México
BSMX
-42,034
Closed -$302K
GPX
1432
DELISTED
GP Strategies Corp.
GPX
-8,705
Closed -$249K
SPRT
1433
DELISTED
support.com, Inc.
SPRT
-8,333
Closed -$22K
TIVO
1434
CALL
DELISTED
Tivo Inc
TIVO
-1,000
Closed -$21K
CRZO
1435
CALL
DELISTED
Carrizo Oil & Gas Inc
CRZO
-300
Closed -$11K
VIAB
1436
CALL
DELISTED
Viacom Inc. Class B
VIAB
-800
Closed -$28K
NCI
1437
DELISTED
Navigant Consulting, Inc.
NCI
-8,250
Closed -$216K
BRS
1438
DELISTED
Bristow Group, Inc.
BRS
-10,705
Closed -$219K
HZNP
1439
DELISTED
Horizon Therapeutics Public Limited Company Ordinary Shares
HZNP
-20,460
Closed -$331K
P
1440
CALL
DELISTED
Pandora Media Inc
P
-4,700
Closed -$61K
IMPV
1441
DELISTED
Imperva, Inc.
IMPV
-19,159
Closed -$736K
EEQ
1442
DELISTED
Enbridge Energy Management Llc
EEQ
-10,596
Closed -$228K
SVU
1443
DELISTED
SUPERVALU Inc.
SVU
-1,521
Closed -$50K
SYNT
1444
DELISTED
Syntel Inc
SYNT
-13,533
Closed -$268K
WFC.PRJ.CL
1445
DELISTED
Wells Fargo & Company
WFC.PRJ.CL
-11,220
Closed -$297K
PLPM
1446
DELISTED
Planet Payment, Inc
PLPM
-32,583
Closed -$133K
PCBK
1447
DELISTED
Pacific Continental Corp
PCBK
-12,810
Closed -$280K
MORE
1448
DELISTED
Monogram Residential Trust, Inc.
MORE
-10,000
Closed -$108K
LUX
1449
CALL
DELISTED
Luxottica Group
LUX
-100
Closed -$5K
MJN
1450
CALL
DELISTED
Mead Johnson Nutrition Company
MJN
-800
Closed -$56K

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William Blair & Company's Q1 2017 Portfolio in Review

As of Q1 2017, William Blair & Company held 1,607 positions worth $12.4B, up 11% from $11.2B the previous quarter. Its ten largest holdings account for 18% of the portfolio.

William Blair & Company deployed $420M of net new capital in Q1 2017, opening 193 new positions and adding to 600 existing holdings. Its largest new stake was Park-Ohio Holdings: 200,527 shares worth $8.95M.

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

On the sell side, the largest reduction was Idexx Laboratories, an estimated $32.3M trimmed.

  • William Blair & Company's largest Q1 2017 buy was Park-Ohio Holdings: 200,527 shares worth $8.95M.
  • William Blair & Company added most to Wabtec in Q1 2017, an estimated $31.4M increase.
  • William Blair & Company's biggest Q1 2017 reduction was Idexx Laboratories, cutting an estimated $32.3M.
  • William Blair & Company fully exited Hennessy Capital Acquisition Corp. Unit in Q1 2017, selling an estimated $5.55M.
  • William Blair & Company's ten largest holdings make up 18% of its $12.4B portfolio in Q1 2017.
  • William Blair & Company opened 193 new positions and closed 133 in Q1 2017.
  • William Blair & Company's portfolio value rose 11% quarter-over-quarter to $12.4B.

Based on William Blair & Company's 13F filing for Q1 2017, filed 10 May 2017.