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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
+23.04%
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
$16.4B
AUM Growth
+$2.69B
Cap. Flow
+$306M
Cap. Flow %
1.86%
Top 10 Hldgs %
21%
Holding
1,770
New
129
Increased
754
Reduced
490
Closed
65

Top Buys

Rank Stock Value
1
FISV
Fiserv Inc
FISV
+$65.4M
2
P
Everpure Inc
P
+$35.3M
3
PYPL icon
PayPal
PYPL
+$30.4M
4
BA icon
Boeing
BA
+$28.3M
5
TWLO icon
Twilio
TWLO
+$24.2M

Top Sells

Rank Stock Value
1
TTE icon
TotalEnergies
TTE
+$155M
2
RHT
Red Hat Inc
RHT
+$73.4M
3
ULTI
Ultimate Software Group Inc
ULTI
+$70.6M
4
INGN icon
Inogen
INGN
+$25.8M
5
CELG
Celgene Corp
CELG
+$20.1M

Sector Composition

Rank Sector Weight
1 Technology 22.65%
2 Healthcare 17.38%
3 Financials 12.48%
4 Consumer Discretionary 9.87%
5 Industrials 9.37%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
MDLZ icon
301
Mondelez International
MDLZ
$80.1B
$7.25M 0.04%
145,339
+8,243
+6% +$378K
VOT icon
302
Vanguard Morningstar Mid-Cap Growth ETF
VOT
$19.6B
$7.24M 0.04%
50,687
+1,480
+3% +$199K
NOVT icon
303
Novanta
NOVT
$5.82B
$7.21M 0.04%
85,131
+9,837
+13% +$739K
IWB icon
304
iShares Russell 1000 ETF
IWB
$49.7B
$7.15M 0.04%
45,451
-97
-0.2% -$14.7K
EXEL icon
305
Exelixis
EXEL
$13.1B
$7.13M 0.04%
299,787
+75,811
+34% +$1.73M
KSS icon
306
Kohl's
KSS
$2.09B
$7.01M 0.04%
101,872
+1,126
+1% +$76.4K
CLX icon
307
Clorox
CLX
$12.8B
$6.98M 0.04%
43,508
+2,509
+6% +$389K
EVBG
308
DELISTED
Everbridge, Inc. Common Stock
EVBG
$6.9M 0.04%
92,038
+2,023
+2% +$132K
ITA icon
309
iShares US Aerospace & Defense ETF
ITA
$14.6B
$6.86M 0.04%
68,734
-9,544
-12% -$933K
CORP icon
310
PIMCO Investment Grade Corporate Bond Index Exchange-Traded Fund
CORP
$1.58B
$6.85M 0.04%
66,071
+4,761
+8% +$482K
GLD icon
311
SPDR Gold Trust
GLD
$138B
$6.84M 0.04%
56,105
+4,938
+10% +$608K
CVNA icon
312
Carvana
CVNA
$75.1B
$6.83M 0.04%
588,515
+77,525
+15% +$652K
SHW icon
313
Sherwin-Williams
SHW
$88.2B
$6.83M 0.04%
47,547
-1,614
-3% -$225K
WY icon
314
Weyerhaeuser
WY
$18.3B
$6.83M 0.04%
259,140
+62,205
+32% +$1.57M
SLB icon
315
SLB Ltd
SLB
$76.5B
$6.82M 0.04%
156,571
-84,111
-35% -$3.64M
GM icon
316
General Motors
GM
$76.3B
$6.8M 0.04%
183,296
+10,812
+6% +$411K
OKE icon
317
Oneok
OKE
$55.4B
$6.69M 0.04%
95,835
-2,740
-3% -$177K
WPC icon
318
W.P. Carey
WPC
$16.4B
$6.68M 0.04%
87,044
+10,073
+13% +$726K
VFC icon
319
VF Corp
VFC
$5.8B
$6.67M 0.04%
81,500
+6,404
+9% +$499K
PSX icon
320
Phillips 66
PSX
$82.4B
$6.66M 0.04%
69,935
+3,317
+5% +$315K
IJH icon
321
iShares Core S&P Mid-Cap ETF
IJH
$125B
$6.52M 0.04%
172,095
+33,285
+24% +$1.23M
EPAY
322
DELISTED
Bottomline Technologies Inc
EPAY
$6.48M 0.04%
129,451
+4,290
+3% +$207K
GSK icon
323
GSK
GSK
$104B
$6.38M 0.04%
122,228
+5,660
+5% +$283K
BND icon
324
Vanguard Total Bond Market
BND
$157B
$6.37M 0.04%
78,477
-7,619
-9% -$608K
IWR icon
325
iShares Russell Mid-Cap ETF
IWR
$56.7B
$6.25M 0.04%
115,941
+5,996
+5% +$311K
11 12
13
14 15

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William Blair & Company's Q1 2019 Portfolio in Review

As of Q1 2019, William Blair & Company held 1,770 positions worth $16.4B, up 20% from $13.7B the previous quarter. Its ten largest holdings account for 21% of the portfolio.

William Blair & Company's Q1 2019 filing shows 129 new, 754 increased, 490 reduced and 65 closed positions. Its largest new stake was Western Midstream Partners: 147,267 shares worth $4.62M. The largest sale was TotalEnergies, an estimated $155M.

By sector, the portfolio is most concentrated in Technology at 23% of assets, up from 21% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q1 2019 buy was Western Midstream Partners: 147,267 shares worth $4.62M.
  • William Blair & Company added most to Fiserv Inc in Q1 2019, an estimated $65.4M increase.
  • William Blair & Company's biggest Q1 2019 reduction was TotalEnergies, cutting an estimated $155M.
  • William Blair & Company fully exited MB Financial Corp in Q1 2019, selling an estimated $7.72M.
  • William Blair & Company's ten largest holdings make up 21% of its $16.4B portfolio in Q1 2019.
  • William Blair & Company opened 129 new positions and closed 65 in Q1 2019.
  • William Blair & Company's portfolio value rose 20% quarter-over-quarter to $16.4B.

Based on William Blair & Company's 13F filing for Q1 2019, filed 14 May 2019.