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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
+5.14%
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
$14.1B
AUM Growth
-$591M
Cap. Flow
-$1.14B
Cap. Flow %
-8.06%
Top 10 Hldgs %
20.02%
Holding
1,654
New
292
Increased
437
Reduced
658
Closed
147

Top Buys

Rank Stock Value
1
P
Everpure Inc
P
+$31.8M
2
BABA icon
Alibaba
BABA
+$24.9M
3
TYL icon
Tyler Technologies
TYL
+$24.4M
4
NTNX icon
Nutanix
NTNX
+$15.6M
5
UNH icon
UnitedHealth
UNH
+$15.2M

Top Sells

Rank Stock Value
1
META icon
Meta Platforms (Facebook)
META
+$70.7M
2
AMZN icon
Amazon
AMZN
+$47.1M
3
AAPL icon
Apple
AAPL
+$43.1M
4
EXEL icon
Exelixis
EXEL
+$33M
5
V icon
Visa
V
+$31.2M

Sector Composition

Rank Sector Weight
1 Technology 18.97%
2 Healthcare 17.83%
3 Financials 14.24%
4 Industrials 10.29%
5 Consumer Discretionary 9.36%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
AET
451
DELISTED
Aetna Inc
AET
$3.23M 0.02%
19,101
+461
+2% +$82.8K
YUMC icon
452
Yum China
YUMC
$16.4B
$3.2M 0.02%
77,205
+2,870
+4% +$123K
D icon
453
Dominion Energy
D
$58.2B
$3.18M 0.02%
47,106
-3,668
-7% -$271K
MIDD icon
454
Middleby
MIDD
$6.09B
$3.16M 0.02%
25,538
-3,031
-11% -$397K
MTX icon
455
Minerals Technologies
MTX
$2.34B
$3.15M 0.02%
47,101
-4,685
-9% -$336K
MFC icon
456
Manulife Financial
MFC
$74.2B
$3.13M 0.02%
168,749
-8,378
-5% -$168K
AMAT icon
457
Applied Materials
AMAT
$429B
$3.12M 0.02%
56,143
+3,035
+6% +$169K
FBC
458
DELISTED
Flagstar Bancorp, Inc. New
FBC
$3.11M 0.02%
87,900
TEAM icon
459
Atlassian
TEAM
$36.7B
$3.09M 0.02%
+57,328
New +$3.12M
PFF icon
460
iShares Preferred and Income Securities ETF
PFF
$13.2B
$3.08M 0.02%
81,871
-6,589
-7% -$247K
STZ icon
461
Constellation Brands
STZ
$22.9B
$3.06M 0.02%
13,404
-242
-2% -$53.3K
IWP icon
462
iShares Russell Mid-Cap Growth ETF
IWP
$20.8B
$3.04M 0.02%
49,400
-2,528
-5% -$158K
XLE icon
463
State Street Energy Select Sector SPDR ETF
XLE
$37.5B
$3.03M 0.02%
89,862
-29,558
-25% -$1.05M
IWO icon
464
iShares Russell 2000 Growth ETF
IWO
$15.1B
$3.03M 0.02%
15,884
-2,818
-15% -$541K
ET icon
465
Energy Transfer Partners
ET
$69.7B
$3.02M 0.02%
212,883
-180
-0.1% -$2.99K
K
466
DELISTED
Kellanova
K
$3.02M 0.02%
49,421
-15,963
-24% -$1.01M
MGK icon
467
Vanguard Morningstar Mega Cap Growth ETF
MGK
$34.1B
$3.01M 0.02%
133,965
+5,915
+5% +$137K
SHOP icon
468
Shopify
SHOP
$190B
$3M 0.02%
240,830
+75,440
+46% +$976K
PRGO icon
469
Perrigo
PRGO
$1.74B
$2.99M 0.02%
35,906
-8,452
-19% -$737K
BPL
470
DELISTED
Buckeye Partners, L.P.
BPL
$2.99M 0.02%
79,902
-1,502
-2% -$73K
ETN icon
471
Eaton
ETN
$177B
$2.98M 0.02%
37,267
-2,482
-6% -$204K
SEP
472
DELISTED
Spectra Engy Parters Lp
SEP
$2.95M 0.02%
87,707
-1,681
-2% -$67.1K
CHRW icon
473
C.H. Robinson
CHRW
$17.2B
$2.94M 0.02%
31,355
-60
-0.2% -$5.53K
SHLX
474
DELISTED
Shell Midstream Partners, L.P.
SHLX
$2.93M 0.02%
139,032
-3,150
-2% -$83.1K
APC
475
DELISTED
Anadarko Petroleum
APC
$2.88M 0.02%
47,673
+194
+0.4% +$11.4K

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William Blair & Company's Q1 2018 Portfolio in Review

As of Q1 2018, William Blair & Company held 1,654 positions worth $14.1B, down 4% from $14.7B the previous quarter. Its ten largest holdings account for 20% of the portfolio.

William Blair & Company withdrew a net $1.14B in Q1 2018, closing 147 positions and reducing 658 holdings. Its most notable exit was Invesco S&P 500 Equal Weight ETF, an estimated $6.64M position sold in full.

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

Against the trend, William Blair & Company opened a new position in Worldpay, Inc. worth $6.54M.

  • William Blair & Company's largest Q1 2018 buy was Worldpay, Inc.: 79,468 shares worth $6.54M.
  • William Blair & Company added most to Everpure Inc in Q1 2018, an estimated $31.8M increase.
  • William Blair & Company's biggest Q1 2018 reduction was Meta Platforms (Facebook), cutting an estimated $70.7M.
  • William Blair & Company fully exited Invesco S&P 500 Equal Weight ETF in Q1 2018, selling an estimated $6.64M.
  • William Blair & Company's ten largest holdings make up 20% of its $14.1B portfolio in Q1 2018.
  • William Blair & Company opened 292 new positions and closed 147 in Q1 2018.
  • William Blair & Company's portfolio value fell 4% quarter-over-quarter to $14.1B.

Based on William Blair & Company's 13F filing for Q1 2018, filed 15 May 2018.