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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
+5.93%
1 Year Est. Return
+18.88%
3 Year Est. Return
+73.84%
5 Year Est. Return
+90.13%
10 Year Est. Return
+563.35%
AUM
$10.7B
AUM Growth
-$908M
Cap. Flow
-$1.39B
Cap. Flow %
-13.04%
Top 10 Hldgs %
17.51%
Holding
1,529
New
105
Increased
364
Reduced
634
Closed
286

Top Buys

Rank Stock Value
1
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$66.7M
2
G icon
Genpact
G
+$27.6M
3
ZTS icon
Zoetis
ZTS
+$17.2M
4
MBLY
Mobileye N.V.
MBLY
+$16.2M
5
PLAY icon
Dave & Buster's
PLAY
+$13.9M

Top Sells

Rank Stock Value
1
GOOG icon
Alphabet (Google) Class C
GOOG
+$104M
2
GILD icon
Gilead Sciences
GILD
+$42.3M
3
MA icon
Mastercard
MA
+$37.4M
4
MJN
Mead Johnson Nutrition Company
MJN
+$37.4M
5
AMZN icon
Amazon
AMZN
+$33.3M

Sector Composition

Rank Sector Weight
1 Healthcare 19.61%
2 Technology 14.78%
3 Industrials 12.48%
4 Financials 12.35%
5 Consumer Discretionary 11.45%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
MRO
1051
DELISTED
Marathon Oil Corporation
MRO
$192K ﹤0.01%
15,253
+842
+6% +$14.2K
ILG
1052
DELISTED
ILG, Inc Common Stock
ILG
$191K ﹤0.01%
12,248
+518
+4% +$8.81K
SIEN
1053
DELISTED
Sientra, Inc.
SIEN
$187K ﹤0.01%
3,171
-2,387
-43% -$124K
KEY icon
1054
KeyCorp
KEY
$24.3B
$186K ﹤0.01%
14,118
-6,960
-33% -$91.3K
FTR
1055
DELISTED
Frontier Communications Corp.
FTR
$186K ﹤0.01%
2,661
-176
-6% -$13.1K
AOI
1056
DELISTED
Alliance One International
AOI
$185K ﹤0.01%
16,200
+2,500
+18% +$38.2K
LGTY
1057
DELISTED
Logility Supply Chain Solutions, Inc. Common Stock
LGTY
$183K ﹤0.01%
17,986
-313
-2% -$3.21K
TLMR
1058
DELISTED
TALMER BANCORP INC (MI)
TLMR
$183K ﹤0.01%
10,133
– –
AMX icon
1059
America Movil
AMX
$71.8B
$182K ﹤0.01%
+13,038
New +$213K
INN
1060
Summit Hotel Properties
INN
$724M
$182K ﹤0.01%
15,250
– –
ARC
1061
DELISTED
ARC Document Solutions, Inc.
ARC
$179K ﹤0.01%
40,696
-15,325
-27% -$81.8K
MMU
1062
Western Asset Managed Municipals Fund
MMU
$548M
$176K ﹤0.01%
12,432
-3,000
-19% -$42.4K
WLL
1063
DELISTED
Whiting Petroleum Corporation
WLL
$176K ﹤0.01%
62
-69
-53% -$328K
TCS
1064
DELISTED
THE CONTAINER STORE GROUP, INC.
TCS
$175K ﹤0.01%
+1,427
New +$230K
CIM
1065
Chimera Investment
CIM
$992M
$174K ﹤0.01%
4,250
– –
OMER icon
1066
Omeros
OMER
$952M
$173K ﹤0.01%
11,000
– –
MFC icon
1067
Manulife Financial
MFC
$74.1B
$170K ﹤0.01%
11,355
-3,164
-22% -$51K
XTLY
1068
DELISTED
Xactly Corporation
XTLY
$166K ﹤0.01%
+19,517
New +$181K
NEWS
1069
DELISTED
NewStar Financial, Inc.
NEWS
$160K ﹤0.01%
17,950
-450
-2% -$4.17K
DNY
1070
DELISTED
DONNELLEY R R & SONS CO
DNY
$159K ﹤0.01%
+10,825
New +$159K
QUOT
1071
DELISTED
Quotient Technology Inc
QUOT
$158K ﹤0.01%
23,232
-10,858
-32% -$76.6K
PGNX
1072
DELISTED
Progenics Pharmaceuticals Inc
PGNX
$147K ﹤0.01%
24,000
– –
ARCC icon
1073
Ares Capital
ARCC
$14.1B
$146K ﹤0.01%
10,282
-432
-4% -$6.56K
PSLV icon
1074
Sprott Physical Silver Trust
PSLV
$12.8B
$145K ﹤0.01%
27,713
-3,400
-11% -$19.4K
SLV icon
1075
iShares Silver Trust
SLV
$29.8B
$143K ﹤0.01%
10,856
+390
+4% +$5.5K
41 42
43
44 45

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William Blair & Company's Q4 2015 Portfolio in Review

As of Q4 2015, William Blair & Company held 1,529 positions worth $10.7B, down 7.9% from $11.6B the previous quarter. Its ten largest holdings account for 18% of the portfolio.

William Blair & Company withdrew a net $1.39B in Q4 2015, closing 286 positions and reducing 634 holdings. Its most notable exit was Barracuda Networks, Inc., an estimated $7.62M position sold in full.

By sector, the portfolio is most concentrated in Healthcare at 20% of assets, up from 19% a quarter earlier, followed by Technology and Industrials.

Against the trend, William Blair & Company opened a new position in Alphabet (Google) Class A worth $70.1M.

  • William Blair & Company's largest Q4 2015 buy was Alphabet (Google) Class A: 1,802,460 shares worth $70.1M.
  • William Blair & Company added most to Zoetis in Q4 2015, an estimated $17.2M increase.
  • William Blair & Company's biggest Q4 2015 reduction was Alphabet (Google) Class C, cutting an estimated $104M.
  • William Blair & Company fully exited Barracuda Networks, Inc. in Q4 2015, selling an estimated $7.62M.
  • William Blair & Company's ten largest holdings make up 18% of its $10.7B portfolio in Q4 2015.
  • William Blair & Company opened 105 new positions and closed 286 in Q4 2015.
  • William Blair & Company's portfolio value fell 7.9% quarter-over-quarter to $10.7B.

Based on William Blair & Company's 13F filing for Q4 2015, filed 16 Feb 2016.