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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
CECO icon
1101
Ceco Environmental
CECO
$4.01B
$99K ﹤0.01%
12,980
– –
GRBK icon
1102
Green Brick Partners
GRBK
$3.07B
$95K ﹤0.01%
+13,250
New +$118K
BP icon
1103
CALL
BP
BP
$109B
$93K ﹤0.01%
3,565
– –
DDD icon
1104
3D Systems Corp
DDD
$591M
$92K ﹤0.01%
+10,650
New +$110K
HCR
1105
CALL
DELISTED
Hi-Crush Inc. Common Stock
HCR
$87K ﹤0.01%
15,100
+4,000
+36% +$27.3K
AMD icon
1106
Advanced Micro Devices
AMD
$802B
$82K ﹤0.01%
28,750
+14,475
+101% +$32.4K
SQNM
1107
DELISTED
SEQUENOM INC NEW
SQNM
$82K ﹤0.01%
+50,000
New +$85.6K
UPLD icon
1108
Upland Software
UPLD
$12.7M
$81K ﹤0.01%
1,150
-163
-12% -$12.3K
NRT
1109
North European Oil Royalty Trust
NRT
$81.8M
$80K ﹤0.01%
11,000
-7,000
-39% -$61.6K
BWLD
1110
PUT
DELISTED
Buffalo Wild Wings, Inc.
BWLD
$80K ﹤0.01%
+500
New +$83.3K
VNCE icon
1111
Vince Holding Corp
VNCE
$88.3M
$72K ﹤0.01%
1,580
-735
-32% -$33.1K
KPN
1112
DELISTED
ROYAL KPN NV ADS (EA REPTG 1 ORD SH)
KPN
$70K ﹤0.01%
18,407
+1,235
+7% +$4.7K
AVP
1113
DELISTED
Avon Products, Inc.
AVP
$69K ﹤0.01%
17,000
-2,975
-15% -$10.9K
CHK
1114
DELISTED
Chesapeake Energy Corporation
CHK
$65K ﹤0.01%
73
-2
-3% -$2.49K
TIVO
1115
CALL
DELISTED
Tivo Inc
TIVO
$65K ﹤0.01%
4,000
+300
+8% +$3.37K
PRDO icon
1116
Perdoceo Education
PRDO
$2.04B
$64K ﹤0.01%
17,850
– –
VIVS
1117
VivoSim Labs
VIVS
$1.11M
$62K ﹤0.01%
+103
New +$74.7K
UEC icon
1118
Uranium Energy
UEC
$5.29B
$59K ﹤0.01%
55,555
– –
SJT
1119
San Juan Basin Royalty Trust
SJT
$114M
$57K ﹤0.01%
+14,000
New +$92.9K
CNXR
1120
DELISTED
Connecture, Inc.
CNXR
$55K ﹤0.01%
15,347
+5
+0% +$21
AWRE icon
1121
Aware
AWRE
$27.9M
$50K ﹤0.01%
15,500
– –
LIME
1122
DELISTED
LIME ENERGY CO.NEW COMMON STOCK
LIME
$50K ﹤0.01%
16,847
– –
UPL
1123
DELISTED
Ultra Petroleum Corp. Common Stock
UPL
$49K ﹤0.01%
19,671
-360
-2% -$1.68K
FMSA
1124
DELISTED
Fairmount Santrol Holdings Inc.
FMSA
$48K ﹤0.01%
+20,500
New +$54K
NEM icon
1125
CALL
Newmont
NEM
$111B
$44K ﹤0.01%
2,500
-9,600
-79% -$176K
43 44
45
46 47

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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.