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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
+7.4%
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
$14.7B
AUM Growth
+$1.4B
Cap. Flow
+$534M
Cap. Flow %
3.62%
Top 10 Hldgs %
19%
Holding
1,488
New
131
Increased
528
Reduced
556
Closed
127

Top Buys

Rank Stock Value
1
GOOG icon
Alphabet (Google) Class C
GOOG
+$138M
2
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$63.1M
3
DVAX
Dynavax Technologies
DVAX
+$39.8M
4
VEU icon
Vanguard FTSE All-World ex-US ETF
VEU
+$27.3M
5
VEEV icon
Veeva Systems
VEEV
+$16.3M

Top Sells

Rank Stock Value
1
ZD icon
Ziff Davis
ZD
+$22.1M
2
GE icon
GE Aerospace
GE
+$19.1M
3
EFX icon
Equifax
EFX
+$17.7M
4
NUVA
NuVasive, Inc.
NUVA
+$17.1M
5
WBA
Walgreens Boots Alliance
WBA
+$13.6M

Sector Composition

Rank Sector Weight
1 Healthcare 17.74%
2 Technology 17.58%
3 Financials 14.76%
4 Industrials 10.83%
5 Consumer Discretionary 9.09%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
DTD icon
476
WisdomTree US Total Dividend Fund
DTD
$1.67B
$2.97M 0.02%
63,962
-4,364
-6% -$197K
XLK icon
477
State Street Technology Select Sector SPDR ETF
XLK
$117B
$2.97M 0.02%
92,884
+3,782
+4% +$119K
ALRM icon
478
Alarm.com
ALRM
$2.71B
$2.92M 0.02%
77,245
+12,148
+19% +$524K
HSY icon
479
Hershey
HSY
$35.2B
$2.91M 0.02%
25,604
-125
-0.5% -$13.8K
XYZ
480
Block Inc
XYZ
$48.4B
$2.89M 0.02%
83,446
+6,209
+8% +$227K
MGK icon
481
Vanguard Morningstar Mega Cap Growth ETF
MGK
$33.2B
$2.85M 0.02%
128,050
+2,650
+2% +$57.7K
MNST icon
482
Monster Beverage
MNST
$94.3B
$2.85M 0.02%
90,078
-2,388
-3% -$71.5K
VTWO icon
483
Vanguard Russell 2000 ETF
VTWO
$17.6B
$2.83M 0.02%
46,224
+4,576
+11% +$276K
HEP
484
DELISTED
Holly Energy Partners, L.P.
HEP
$2.82M 0.02%
86,882
+200
+0.2% +$6.65K
GOGO icon
485
Gogo Inc
GOGO
$565M
$2.81M 0.02%
248,844
+9,578
+4% +$102K
CHRW icon
486
C.H. Robinson
CHRW
$17.4B
$2.8M 0.02%
31,415
– –
TOL icon
487
Toll Brothers
TOL
$13.6B
$2.8M 0.02%
58,290
+750
+1% +$34.5K
OXY icon
488
Occidental Petroleum
OXY
$56.8B
$2.78M 0.02%
37,782
-3,241
-8% -$220K
POOL icon
489
Pool Corp
POOL
$6.75B
$2.78M 0.02%
21,440
-925
-4% -$112K
EFAV icon
490
iShares MSCI EAFE Min Vol Factor ETF
EFAV
$5.42B
$2.77M 0.02%
37,966
+1,832
+5% +$132K
WTW icon
491
Willis Towers Watson
WTW
$31.2B
$2.77M 0.02%
18,374
-1,065
-5% -$168K
CAI
492
DELISTED
CAI International, Inc.
CAI
$2.76M 0.02%
97,400
-11,285
-10% -$373K
VCSH icon
493
Vanguard Short-Term Corporate Bond ETF
VCSH
$44.6B
$2.76M 0.02%
34,754
-559
-2% -$44.6K
BHC icon
494
Bausch Health
BHC
$2.58B
$2.74M 0.02%
131,941
+74,600
+130% +$1.18M
PF
495
DELISTED
Pinnacle Foods, Inc.
PF
$2.72M 0.02%
45,704
+39,033
+585% +$2.2M
AMAT icon
496
Applied Materials
AMAT
$403B
$2.71M 0.02%
53,108
-74
-0.1% -$4.01K
DMRC icon
497
Digimarc Corp
DMRC
$147M
$2.71M 0.02%
75,090
-3,000
-4% -$109K
NXTM
498
DELISTED
NxStage Medical Inc.
NXTM
$2.71M 0.02%
111,744
-81,189
-42% -$2.14M
HMSY
499
DELISTED
HMS Holdings Corp.
HMSY
$2.71M 0.02%
159,637
+8,347
+6% +$146K
IYE icon
500
iShares US Energy ETF
IYE
$1.74B
$2.7M 0.02%
+68,019
New +$2.56M
18 19
20
21 22

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William Blair & Company's Q4 2017 Portfolio in Review

As of Q4 2017, William Blair & Company held 1,488 positions worth $14.7B, up 10% from $13.3B the previous quarter. Its ten largest holdings account for 19% of the portfolio.

William Blair & Company deployed $534M of net new capital in Q4 2017, opening 131 new positions and adding to 528 existing holdings. Its largest new stake was Dynavax Technologies: 1,980,526 shares worth $37M.

By sector, the portfolio is most concentrated in Healthcare at 18% of assets, down from 19% a quarter earlier, followed by Technology and Financials.

On the sell side, the largest reduction was Ziff Davis, an estimated $22.1M trimmed.

  • William Blair & Company's largest Q4 2017 buy was Dynavax Technologies: 1,980,526 shares worth $37M.
  • William Blair & Company added most to Alphabet (Google) Class C in Q4 2017, an estimated $138M increase.
  • William Blair & Company's biggest Q4 2017 reduction was Ziff Davis, cutting an estimated $22.1M.
  • William Blair & Company fully exited Bob Evans Farms, Inc. in Q4 2017, selling an estimated $12.5M.
  • William Blair & Company's ten largest holdings make up 19% of its $14.7B portfolio in Q4 2017.
  • William Blair & Company opened 131 new positions and closed 127 in Q4 2017.
  • William Blair & Company's portfolio value rose 10% quarter-over-quarter to $14.7B.

Based on William Blair & Company's 13F filing for Q4 2017, filed 14 Feb 2018.