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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
ACWX icon
351
iShares MSCI ACWI ex US ETF
ACWX
$11.7B
$3.35M 0.03%
84,690
+45,090
+114% +$1.85M
COO icon
352
Cooper Companies
COO
$14.5B
$3.34M 0.03%
99,616
-507,324
-84% -$18.2M
ET icon
353
Energy Transfer Partners
ET
$71.3B
$3.32M 0.03%
241,733
+9,043
+4% +$169K
RDS.A
354
DELISTED
Royal Dutch Shell PLC ADS Class A
RDS.A
$3.3M 0.03%
75,928
+6,999
+10% +$333K
NEO icon
355
NeoGenomics
NEO
$2.02B
$3.29M 0.03%
418,604
+5,317
+1% +$38.9K
CPHD
356
DELISTED
Cepheid Inc
CPHD
$3.26M 0.03%
89,211
-61,700
-41% -$2.19M
RTN
357
DELISTED
Raytheon Company
RTN
$3.25M 0.03%
26,104
-887
-3% -$107K
DPLO
358
DELISTED
DIPLOMAT PHARMACY, INC.
DPLO
$3.25M 0.03%
94,899
-263,386
-74% -$8.22M
CHH icon
359
Choice Hotels
CHH
$4.89B
$3.24M 0.03%
64,226
-82,168
-56% -$4.2M
BUD icon
360
AB InBev
BUD
$168B
$3.2M 0.03%
25,597
-14,874
-37% -$1.8M
BDX icon
361
Becton Dickinson
BDX
$48.7B
$3.19M 0.03%
21,219
-316
-1% -$45.5K
STGW icon
362
Stagwell
STGW
$2.16B
$3.17M 0.03%
146,010
+990
+0.7% +$20.9K
ROP icon
363
Roper Technologies
ROP
$39.1B
$3.14M 0.03%
16,551
-1,230
-7% -$225K
TSLA icon
364
Tesla
TSLA
$1.26T
$3.12M 0.03%
195,300
-10,665
-5% -$160K
GOGO icon
365
Gogo Inc
GOGO
$496M
$3.11M 0.03%
174,771
-23,845
-12% -$406K
XENT
366
DELISTED
Intersect ENT, Inc
XENT
$3.11M 0.03%
138,299
-461
-0.3% -$9.11K
SLAB icon
367
Silicon Laboratories
SLAB
$7.21B
$3.1M 0.03%
63,945
-1,450
-2% -$71.7K
PSX icon
368
Phillips 66
PSX
$82.3B
$3.06M 0.03%
37,453
-2,418
-6% -$209K
KMI.PRA
369
DELISTED
Kinder Morgan, Inc.
KMI.PRA
$3.06M 0.03%
+75,845
New +$3.18M
IEF icon
370
iShares 7-10 Year Treasury Bond ETF
IEF
$47.3B
$3.03M 0.03%
28,680
+5,013
+21% +$534K
NSR
371
DELISTED
Neustar Inc
NSR
$3.02M 0.03%
126,127
-549,292
-81% -$14.2M
MDY icon
372
State Street SPDR S&P MIDCAP 400 ETF Trust
MDY
$27B
$3.01M 0.03%
11,842
+2,053
+21% +$534K
VB icon
373
Vanguard Morningstar Small-Cap ETF
VB
$81.5B
$2.99M 0.03%
27,052
+314
+1% +$35.6K
TW
374
DELISTED
TOWERS WATSON & CO COM STK CL A (DE)
TW
$2.98M 0.03%
23,177
-131,813
-85% -$16.9M
HAL icon
375
Halliburton
HAL
$26.8B
$2.97M 0.03%
87,352
-5,640
-6% -$213K
13 14
15
16 17

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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.