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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
-13.3%
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
$13.7B
AUM Growth
-$2.6B
Cap. Flow
-$222M
Cap. Flow %
-1.61%
Top 10 Hldgs %
20.6%
Holding
1,859
New
191
Increased
555
Reduced
650
Closed
205

Top Buys

Rank Stock Value
1
LIN icon
Linde
LIN
+$55.6M
2
EFA icon
iShares MSCI EAFE ETF
EFA
+$22.8M
3
ULTA icon
Ulta Beauty
ULTA
+$22.1M
4
INTU icon
Intuit
INTU
+$22M
5
DIS icon
Walt Disney
DIS
+$21.1M

Top Sells

Rank Stock Value
1
PX
Praxair Inc
PX
+$73.7M
2
RHT
Red Hat Inc
RHT
+$46M
3
ESRX
Express Scripts Holding Company
ESRX
+$45.8M
4
META icon
Meta Platforms (Facebook)
META
+$32.9M
5
P
Everpure Inc
P
+$31.5M

Sector Composition

Rank Sector Weight
1 Technology 20.75%
2 Healthcare 18.42%
3 Financials 12.76%
4 Consumer Discretionary 9.45%
5 Industrials 9.06%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
LGND icon
151
Ligand Pharmaceuticals
LGND
$6.36B
$19.8M 0.14%
233,546
+17,314
+8% +$1.85M
OMC icon
152
Omnicom Group
OMC
$23.4B
$19.6M 0.14%
267,547
-928
-0.3% -$68.8K
MTN icon
153
Vail Resorts
MTN
$5.3B
$19.4M 0.14%
91,883
+63,300
+221% +$15.7M
CI icon
154
Cigna
CI
$74.6B
$19.3M 0.14%
101,615
+93,794
+1,199% +$19.6M
TXN icon
155
Texas Instruments
TXN
$261B
$19.3M 0.14%
204,186
-2,182
-1% -$211K
DSI icon
156
iShares MSCI KLD 400 Social ETF
DSI
$5.55B
$18.8M 0.14%
404,566
– –
AGG icon
157
iShares Core US Aggregate Bond ETF
AGG
$138B
$18.6M 0.14%
175,069
+39,941
+30% +$4.19M
CVS icon
158
CVS Health
CVS
$122B
$18.6M 0.14%
283,411
+35,444
+14% +$2.65M
WAB icon
159
Wabtec
WAB
$49.3B
$18.4M 0.13%
262,039
-212,817
-45% -$18.6M
VNQ icon
160
Vanguard Real Estate ETF
VNQ
$39B
$18.2M 0.13%
243,726
-3,906
-2% -$308K
VOO icon
161
Vanguard S&P 500 ETF
VOO
$1.01T
$18M 0.13%
73,638
-1,206
-2% -$299K
AON icon
162
Aon
AON
$76B
$17.8M 0.13%
122,479
-4,563
-4% -$709K
MMP
163
DELISTED
Magellan Midstream Partners, L.P.
MMP
$17.7M 0.13%
309,918
-8,408
-3% -$519K
BLK icon
164
Blackrock
BLK
$176B
$17.7M 0.13%
44,985
-13,769
-23% -$5.64M
COO icon
165
Cooper Companies
COO
$14.5B
$17.6M 0.13%
275,944
+680
+0.2% +$44K
BDX icon
166
Becton Dickinson
BDX
$48.2B
$17.3M 0.13%
78,919
+4,873
+7% +$1.13M
CPAY icon
167
Corpay
CPAY
$25.7B
$17.1M 0.12%
92,013
+46,579
+103% +$9.1M
TRMB icon
168
Trimble
TRMB
$13.9B
$17M 0.12%
517,585
-64,054
-11% -$2.36M
SIX
169
DELISTED
Six Flags Entertainment Corp.
SIX
$16.7M 0.12%
300,027
+98,731
+49% +$5.9M
QQQ icon
170
Invesco QQQ Trust
QQQ
$484B
$16.3M 0.12%
105,443
+80,840
+329% +$13.5M
FLRN icon
171
State Street SPDR Bloomberg Investment Grade Floating Rate ETF
FLRN
$3.09B
$16.3M 0.12%
535,140
+48,008
+10% +$1.47M
VTI icon
172
Vanguard Morningstar Total Stock Market ETF
VTI
$684B
$16.1M 0.12%
125,977
+16,606
+15% +$2.29M
KO icon
173
Coca-Cola
KO
$375B
$16M 0.12%
337,999
+16,786
+5% +$803K
ATVI
174
DELISTED
Activision Blizzard
ATVI
$15.9M 0.12%
342,202
-76,074
-18% -$4.55M
IUSG icon
175
iShares Core S&P US Growth ETF
IUSG
$33.7B
$15.8M 0.12%
214,062
+149,511
+232% +$8.48M
5 6
7
8 9

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William Blair & Company's Q4 2018 Portfolio in Review

As of Q4 2018, William Blair & Company held 1,859 positions worth $13.7B, down 16% from $16.3B the previous quarter. Its ten largest holdings account for 21% of the portfolio.

William Blair & Company's Q4 2018 filing shows 191 new, 555 increased, 650 reduced and 205 closed positions. Its largest new stake was Linde: 352,000 shares worth $54.9M. The largest sale was Praxair Inc, an estimated $73.7M.

By sector, the portfolio is most concentrated in Technology at 21% of assets, down from 21% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q4 2018 buy was Linde: 352,000 shares worth $54.9M.
  • William Blair & Company added most to iShares MSCI EAFE ETF in Q4 2018, an estimated $22.8M increase.
  • William Blair & Company's biggest Q4 2018 reduction was Red Hat Inc, cutting an estimated $46M.
  • William Blair & Company fully exited Praxair Inc in Q4 2018, selling an estimated $73.7M.
  • William Blair & Company's ten largest holdings make up 21% of its $13.7B portfolio in Q4 2018.
  • William Blair & Company opened 191 new positions and closed 205 in Q4 2018.
  • William Blair & Company's portfolio value fell 16% quarter-over-quarter to $13.7B.

Based on William Blair & Company's 13F filing for Q4 2018, filed 14 Feb 2019.