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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
GLD icon
376
SPDR Gold Trust
GLD
$138B
$2.96M 0.03%
29,219
-3,121
-10% -$330K
LPLA icon
377
LPL Financial
LPLA
$28.3B
$2.94M 0.03%
68,989
-8,985
-12% -$383K
WOOF
378
DELISTED
VCA Inc.
WOOF
$2.94M 0.03%
53,444
+6,325
+13% +$347K
PGR icon
379
Progressive
PGR
$124B
$2.94M 0.03%
92,324
-129,691
-58% -$4.12M
GRUB
380
DELISTED
Just Eat Takeaway.com N.V. American Depositary Shares
GRUB
$2.94M 0.03%
60,649
+372
+0.6% +$19.4K
NEE icon
381
NextEra Energy
NEE
$179B
$2.9M 0.03%
111,564
-832
-0.7% -$21.1K
VXF icon
382
Vanguard Extended Market ETF
VXF
$31.3B
$2.9M 0.03%
34,566
-100
-0.3% -$8.55K
JLL icon
383
Jones Lang LaSalle
JLL
$17.2B
$2.88M 0.03%
18,029
-51,382
-74% -$8.13M
BNY
384
Bank of New York Mellon
BNY
$108B
$2.87M 0.03%
69,565
-5,172
-7% -$217K
CACC icon
385
Credit Acceptance
CACC
$6.2B
$2.83M 0.03%
13,250
-430
-3% -$87.9K
GD icon
386
General Dynamics
GD
$104B
$2.83M 0.03%
20,602
+13,294
+182% +$1.9M
OSIS icon
387
OSI Systems
OSIS
$3.87B
$2.79M 0.03%
31,435
-2,175
-6% -$190K
BXLT
388
DELISTED
BAXALTA INC COM STK (DE)
BXLT
$2.78M 0.03%
71,203
-16,409
-19% -$572K
DBEF icon
389
Xtrackers MSCI EAFE Hedged Equity ETF
DBEF
$9.31B
$2.77M 0.03%
102,071
+7,382
+8% +$204K
LEG icon
390
Leggett & Platt
LEG
$1.4B
$2.76M 0.03%
65,784
-2,450
-4% -$109K
VMC icon
391
Vulcan Materials
VMC
$37.2B
$2.75M 0.03%
28,977
+300
+1% +$29.1K
OKS
392
DELISTED
Oneok Partners LP
OKS
$2.75M 0.03%
91,178
-18,618
-17% -$565K
K
393
DELISTED
Kellanova
K
$2.74M 0.03%
40,444
-576
-1% -$37.6K
BDSI
394
DELISTED
BioDelivery Sciences International, Inc.
BDSI
$2.73M 0.03%
570,903
-115,320
-17% -$654K
IWN icon
395
iShares Russell 2000 Value ETF
IWN
$14.6B
$2.73M 0.03%
29,695
-5,651
-16% -$537K
WU icon
396
Western Union
WU
$2.26B
$2.73M 0.03%
152,417
+500
+0.3% +$9.44K
BKD icon
397
Brookdale Senior Living
BKD
$3.45B
$2.67M 0.03%
144,827
-42,967
-23% -$925K
WELL icon
398
Welltower
WELL
$171B
$2.67M 0.03%
39,226
+9,634
+33% +$629K
BPL
399
DELISTED
Buckeye Partners, L.P.
BPL
$2.6M 0.02%
39,467
-260
-0.7% -$17K
HDV
400
iShares Core High Dividend ETF
HDV
$14.8B
$2.6M 0.02%
177,040
-563,005
-76% -$8.33M
14 15
16
17 18

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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.