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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
+512.03%
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
UUP icon
401
Invesco DB US Dollar Index Bullish Fund
UUP
$423M
$2.6M 0.02%
101,222
+29,756
+42% +$756K
EWJ icon
402
iShares MSCI Japan ETF
EWJ
$22.5B
$2.58M 0.02%
53,239
-4,200
-7% -$206K
ANSS
403
DELISTED
Ansys
ANSS
$2.52M 0.02%
27,232
-73,741
-73% -$6.8M
CHRW icon
404
C.H. Robinson
CHRW
$17.9B
$2.51M 0.02%
40,433
+3,903
+11% +$263K
PSXP
405
DELISTED
PHILLIPS 66 PARTNERS LP
PSXP
$2.5M 0.02%
40,787
-3,715
-8% -$216K
EEP
406
DELISTED
Enbridge Energy Partners
EEP
$2.5M 0.02%
108,496
-25,444
-19% -$637K
F icon
407
Ford
F
$56.3B
$2.5M 0.02%
177,354
+49,370
+39% +$715K
XLU icon
408
State Street Utilities Select Sector SPDR ETF
XLU
$22.6B
$2.5M 0.02%
115,406
+940
+0.8% +$20.4K
IUSG icon
409
iShares Core S&P US Growth ETF
IUSG
$33.5B
$2.49M 0.02%
61,474
+35,320
+135% +$1.44M
AFSI
410
DELISTED
AmTrust Financial Services, Inc.
AFSI
$2.48M 0.02%
80,584
-3,034
-4% -$97K
APA icon
411
APA Corp
APA
$12.3B
$2.47M 0.02%
55,644
+3,982
+8% +$186K
IEFA icon
412
iShares Core MSCI EAFE ETF
IEFA
$194B
$2.46M 0.02%
45,265
+14,775
+48% +$820K
MACK
413
DELISTED
Merrimack Pharmaceuticals, Inc.
MACK
$2.43M 0.02%
39,032
-509
-1% -$35.8K
MTD icon
414
Mettler-Toledo International
MTD
$28.5B
$2.41M 0.02%
7,111
-13,472
-65% -$4.32M
EXEL icon
415
Exelixis
EXEL
$14.3B
$2.41M 0.02%
426,815
-101,800
-19% -$570K
TMX
416
DELISTED
Terminix Global Holdings, Inc.
TMX
$2.41M 0.02%
91,548
-41,601
-31% -$1.01M
CIGI icon
417
Colliers International
CIGI
$5.17B
$2.4M 0.02%
53,920
-110,945
-67% -$4.93M
PDP icon
418
Invesco Dorsey Wright Momentum ETF
PDP
$1.5B
$2.39M 0.02%
57,825
+200
+0.3% +$8.39K
NWL icon
419
Newell Brands
NWL
$2.63B
$2.39M 0.02%
54,172
+40,814
+306% +$1.79M
SPLV icon
420
Invesco S&P 500 Low Volatility ETF
SPLV
$7.22B
$2.38M 0.02%
61,759
-4,757
-7% -$182K
IDV icon
421
iShares International Select Dividend ETF
IDV
$8.46B
$2.37M 0.02%
82,550
-19,648
-19% -$579K
XRAY icon
422
Dentsply Sirona
XRAY
$2.76B
$2.36M 0.02%
38,785
+1,035
+3% +$61.6K
GSK icon
423
GSK
GSK
$103B
$2.35M 0.02%
46,562
-636
-1% -$32.4K
MTX icon
424
Minerals Technologies
MTX
$2.4B
$2.34M 0.02%
51,016
-170
-0.3% -$9.54K
EFOR
425
Everforth Inc
EFOR
$1.3B
$2.33M 0.02%
51,845
-13,278
-20% -$580K
15 16
17
18 19

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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.