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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
WOLF icon
751
Wolfspeed
WOLF
$1.71B
$574K 0.01%
21,533
-5,665
-21% -$146K
HCAP
752
DELISTED
Harvest Capital Credit Corporation
HCAP
$572K 0.01%
48,825
-6,400
-12% -$75.8K
VOT icon
753
Vanguard Morningstar Mid-Cap Growth ETF
VOT
$19.9B
$571K 0.01%
5,729
-156
-3% -$15.8K
VIRT icon
754
Virtu Financial
VIRT
$4.93B
$569K 0.01%
25,132
+9,360
+59% +$215K
VDC icon
755
Vanguard Consumer Staples ETF
VDC
$7.99B
$568K 0.01%
4,401
-500
-10% -$63.8K
SNAK
756
DELISTED
Inventure Foods, Inc.
SNAK
$565K 0.01%
79,736
+27,811
+54% +$221K
BEN icon
757
Franklin Resources
BEN
$17.2B
$558K 0.01%
15,168
-912
-6% -$35.7K
FCX icon
758
Freeport-McMoran
FCX
$97.5B
$556K 0.01%
82,198
+2,107
+3% +$20.1K
SILC icon
759
Silicom
SILC
$242M
$552K 0.01%
18,237
-7,750
-30% -$228K
FLG
760
Flagstar Bank National Association
FLG
$5.82B
$552K 0.01%
11,284
+1,287
+13% +$65.6K
IYR icon
761
iShares US Real Estate ETF
IYR
$4.65B
$551K 0.01%
7,338
-901
-11% -$67.3K
INOV
762
DELISTED
Inovalon Holdings, Inc. Class A Common Stock
INOV
$549K 0.01%
32,344
-575
-2% -$11.4K
CODI icon
763
Compass Diversified
CODI
$828M
$547K 0.01%
34,405
-45
-0.1% -$727
SLF icon
764
Sun Life Financial
SLF
$45.4B
$547K 0.01%
17,533
-98
-0.6% -$3.23K
EXPD icon
765
Expeditors International
EXPD
$23.2B
$544K 0.01%
12,069
-2,486
-17% -$121K
MPC icon
766
Marathon Petroleum
MPC
$83.7B
$540K 0.01%
10,422
+823
+9% +$43.1K
EQR icon
767
Equity Residential
EQR
$25.1B
$538K 0.01%
6,599
-1,499
-19% -$118K
MAA icon
768
Mid-America Apartment Communities
MAA
$15.7B
$537K 0.01%
5,923
+328
+6% +$28.5K
BEAV
769
DELISTED
B/E Aerospace Inc
BEAV
$534K 0.01%
12,605
-169
-1% -$7.55K
DEM icon
770
WisdomTree Emerging Markets High Dividend Fund
DEM
$3.98B
$531K 0.01%
16,797
-41,599
-71% -$1.43M
SAN icon
771
Banco Santander
SAN
$210B
$531K 0.01%
113,927
-17,362
-13% -$90K
SUSA icon
772
iShares ESG Optimized MSCI USA ETF
SUSA
$4.18B
$529K 0.01%
12,700
– –
HUM icon
773
Humana
HUM
$46.2B
$528K 0.01%
2,963
– –
CNC icon
774
Centene
CNC
$32.5B
$525K ﹤0.01%
15,954
-47,408
-75% -$1.4M
HYS icon
775
PIMCO 0-5 Year High Yield Corporate Bond Index Exchange-Traded Fund
HYS
$1.75B
$517K ﹤0.01%
5,644
-1,415
-20% -$134K
29 30
31
32 33

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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.