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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
SLB icon
251
SLB Ltd
SLB
$75B
$8.68M 0.06%
240,682
-284,458
-54% -$14M
XYZ
252
Block Inc
XYZ
$47.5B
$8.6M 0.06%
153,307
-4,624
-3% -$327K
SPMD icon
253
State Street SPDR Portfolio S&P 400 Mid Cap ETF
SPMD
$18.9B
$8.56M 0.06%
290,985
+196,350
+207% +$6.39M
DVY icon
254
iShares Select Dividend ETF
DVY
$23.6B
$8.49M 0.06%
95,118
+4,478
+5% +$429K
IWF icon
255
iShares Russell 1000 Growth ETF
IWF
$128B
$8.47M 0.06%
258,696
+12,452
+5% +$439K
VB icon
256
Vanguard Morningstar Small-Cap ETF
VB
$82.4B
$8.44M 0.06%
63,906
+24,099
+61% +$3.51M
COP icon
257
ConocoPhillips
COP
$141B
$8.36M 0.06%
134,060
-948
-0.7% -$64.5K
TTE icon
258
TotalEnergies
TTE
$190B
$8.34M 0.06%
14,642,591
+30,236
+0.2% +$18.9K
TWLO icon
259
Twilio
TWLO
$36.6B
$8.16M 0.06%
91,435
+234
+0.3% +$19K
RDS.A
260
DELISTED
Royal Dutch Shell PLC ADS Class A
RDS.A
$8.12M 0.06%
139,389
+48,820
+54% +$3.03M
CCOI icon
261
Cogent Communications
CCOI
$508M
$7.99M 0.06%
176,811
+2,368
+1% +$117K
PRAA icon
262
PRA Group
PRAA
$755M
$7.79M 0.06%
319,586
-71,845
-18% -$2.15M
GE icon
263
GE Aerospace
GE
$384B
$7.74M 0.06%
213,276
-58,236
-21% -$2.63M
MBFI
264
DELISTED
MB Financial Corp
MBFI
$7.72M 0.06%
194,707
-1,045
-0.5% -$45.4K
TJX icon
265
TJX Companies
TJX
$178B
$7.66M 0.06%
171,124
+4,454
+3% +$225K
EL icon
266
Estee Lauder
EL
$32B
$7.61M 0.06%
58,505
-2,593
-4% -$352K
MRCY icon
267
Mercury Systems
MRCY
$6.52B
$7.6M 0.06%
160,776
+2,955
+2% +$144K
ALRM icon
268
Alarm.com
ALRM
$2.85B
$7.57M 0.06%
146,019
+15,621
+12% +$755K
XLI icon
269
State Street Industrial Select Sector SPDR ETF
XLI
$33.7B
$7.42M 0.05%
115,148
-37,284
-24% -$2.64M
UN
270
DELISTED
Unilever NV New York Registry Shares
UN
$7.41M 0.05%
137,804
-13,387
-9% -$731K
CBOE icon
271
Cboe Global Markets
CBOE
$29.9B
$7.38M 0.05%
75,431
-3,404
-4% -$354K
AXDX
272
DELISTED
Accelerate Diagnostics
AXDX
$7.36M 0.05%
63,967
-23,899
-27% -$3.54M
SJM icon
273
J.M. Smucker
SJM
$12.8B
$7.32M 0.05%
78,340
-21,793
-22% -$2.28M
MU icon
274
Micron Technology
MU
$991B
$7.28M 0.05%
229,409
-14,995
-6% -$568K
TWTR
275
DELISTED
Twitter, Inc.
TWTR
$7.24M 0.05%
251,845
-31,567
-11% -$990K
9 10
11
12 13

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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.