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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
CME icon
151
CME Group
CME
$95.4B
$21.1M 0.14%
144,298
+4,194
+3% +$597K
RMD icon
152
ResMed
RMD
$31.1B
$20.8M 0.14%
245,328
+2,664
+1% +$220K
GRUB
153
DELISTED
Just Eat Takeaway.com N.V. American Depositary Shares
GRUB
$20.8M 0.14%
144,546
+78,534
+119% +$9.86M
FICO icon
154
Fair Isaac
FICO
$31.8B
$20.5M 0.14%
133,944
+1,740
+1% +$263K
NVRO
155
DELISTED
NEVRO CORP.
NVRO
$20.4M 0.14%
296,027
+9,768
+3% +$781K
MORN icon
156
Morningstar
MORN
$7.55B
$20.3M 0.14%
209,173
-11,851
-5% -$1.07M
NKTR icon
157
Nektar Therapeutics
NKTR
$2.39B
$20.1M 0.14%
22,407
-1,036
-4% -$613K
C icon
158
Citigroup
C
$213B
$20M 0.14%
269,213
+8,359
+3% +$618K
GWW icon
159
W.W. Grainger
GWW
$64.2B
$19.9M 0.14%
84,376
-9,214
-10% -$1.91M
VNQ icon
160
Vanguard Real Estate ETF
VNQ
$39.9B
$19.9M 0.14%
240,076
+3,579
+2% +$300K
IWV icon
161
iShares Russell 3000 ETF
IWV
$19.2B
$19.5M 0.13%
123,549
-385
-0.3% -$59.4K
OMC icon
162
Omnicom Group
OMC
$22.7B
$19.5M 0.13%
267,977
-808
-0.3% -$58K
XYL icon
163
Xylem
XYL
$28.5B
$19.5M 0.13%
285,401
+154,868
+119% +$10.3M
ORLY icon
164
O'Reilly Automotive
ORLY
$75.1B
$19.3M 0.13%
1,205,880
-56,370
-4% -$839K
HEI icon
165
HEICO Corp
HEI
$49.6B
$19.2M 0.13%
398,230
-10,077
-2% -$470K
TD icon
166
Toronto Dominion Bank
TD
$193B
$19.2M 0.13%
327,818
+59,125
+22% +$3.38M
ZBRA icon
167
Zebra Technologies
ZBRA
$13.5B
$19.1M 0.13%
184,032
+1,236
+0.7% +$134K
MO icon
168
Altria Group
MO
$125B
$18.9M 0.13%
265,374
+14,587
+6% +$977K
HCSG icon
169
Healthcare Services Group
HCSG
$1.61B
$18.9M 0.13%
357,818
-2,418
-0.7% -$127K
MSM icon
170
MSC Industrial Direct
MSM
$6.76B
$18.7M 0.13%
193,284
+185,001
+2,234% +$15.5M
CVNA icon
171
Carvana
CVNA
$47.5B
$18.6M 0.13%
4,873,250
+1,955,060
+67% +$6.47M
IVZ icon
172
Invesco
IVZ
$12.4B
$18.6M 0.13%
509,956
+83,214
+19% +$3.01M
MKTX icon
173
MarketAxess Holdings
MKTX
$4.47B
$18.6M 0.13%
92,336
+23,438
+34% +$4.42M
ATVI
174
DELISTED
Activision Blizzard
ATVI
$18.5M 0.13%
291,449
+196,062
+206% +$12.4M
CMCSA icon
175
Comcast
CMCSA
$87.3B
$18.3M 0.12%
457,700
-182,829
-29% -$6.87M
5 6
7
8 9

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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.