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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
EUFN icon
1376
iShares MSCI Europe Financials ETF
EUFN
$4.28B
$33K ﹤0.01%
+1,425
New +$34.5K
REGL icon
1377
ProShares S&P MidCap 400 Dividend Aristocrats ETF
REGL
$1.82B
$33K ﹤0.01%
+620
New +$33.3K
SHV icon
1378
iShares 0-1 Year Treasury Bond ETF
SHV
$20.6B
$33K ﹤0.01%
+296
New +$32.6K
RSX
1379
DELISTED
VanEck Russia ETF
RSX
$33K ﹤0.01%
+1,434
New +$32.9K
EFII
1380
CALL
DELISTED
Electronics for Imaging
EFII
$33K ﹤0.01%
1,200
– –
ITEQ icon
1381
Amplify BlueStar Israel Technology ETF
ITEQ
$118M
$32K ﹤0.01%
+1,000
New +$32.7K
MDYV icon
1382
State Street SPDR S&P 400 Mid Cap Value ETF
MDYV
$2.83B
$30K ﹤0.01%
+600
New +$30.6K
SGDJ icon
1383
Sprott Junior Gold Miners ETF
SGDJ
$334M
$30K ﹤0.01%
+1,000
New +$31.1K
ICLN icon
1384
iShares Global Clean Energy ETF
ICLN
$2.4B
$29K ﹤0.01%
+3,000
New +$28.4K
IWC icon
1385
iShares Micro-Cap ETF
IWC
$1.52B
$29K ﹤0.01%
+300
New +$29.2K
TDTF icon
1386
FlexShares iBoxx 5-Year Target Duration TIPS Index Fund
TDTF
$1.04B
$29K ﹤0.01%
+1,189
New +$29.3K
CBI
1387
CALL
DELISTED
Chicago Bridge & Iron Nv
CBI
$29K ﹤0.01%
2,000
+1,000
+100% +$18.3K
XLVS
1388
DELISTED
POWERSHARES S&P SMALLCAP HEALTH CARE PORTFOLIO
XLVS
$28K ﹤0.01%
+253
New +$28K
EEMS icon
1389
iShares MSCI Emerging Markets Small-Cap ETF
EEMS
$371M
$27K ﹤0.01%
+500
New +$27.1K
EWA icon
1390
iShares MSCI Australia ETF
EWA
$1.45B
$27K ﹤0.01%
+1,218
New +$28.1K
BAC.WS.A
1391
DELISTED
Bank Of America Corporation Ws A
BAC.WS.A
$27K ﹤0.01%
1,500
-2,500
-63% -$48.8K
AOM icon
1392
iShares Core Moderate Allocation ETF
AOM
$1.77B
$26K ﹤0.01%
+700
New +$26.7K
BATRK icon
1393
Atlanta Braves Holdings Series B
BATRK
$3.23B
$26K ﹤0.01%
+1,153
New +$26.7K
FEMB icon
1394
First Trust Emerging Markets Local Currency Bond ETF
FEMB
$363M
$25K ﹤0.01%
+580
New +$25K
MVIS icon
1395
Microvision
MVIS
$77.3M
$25K ﹤0.01%
1,492
– –
SCHH icon
1396
Schwab US REIT ETF
SCHH
$11.4B
$25K ﹤0.01%
+1,286
New +$24.8K
FIW icon
1397
First Trust Water ETF
FIW
$1.94B
$24K ﹤0.01%
+498
New +$24K
FWONA icon
1398
Liberty Media Series A
FWONA
$23.6B
$24K ﹤0.01%
+865
New +$27K
IBDQ
1399
DELISTED
iShares iBonds Dec 2025 Term Corporate ETF
IBDQ
$24K ﹤0.01%
+1,000
New +$24.4K
PZA icon
1400
Invesco National AMT-Free Municipal Bond ETF
PZA
$4.27B
$24K ﹤0.01%
+966
New +$24.4K
54 55
56
57 58

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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.