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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
ILF icon
1376
iShares Latin America 40 ETF
ILF
$3.8B
$119K ﹤0.01%
3,588
– –
VOOV icon
1377
Vanguard S&P 500 Value ETF
VOOV
$6.68B
$119K ﹤0.01%
1,092
+17
+2% +$1.8K
QDF icon
1378
FlexShares Quality Dividend Index Fund
QDF
$2.27B
$117K ﹤0.01%
2,620
+3
+0.1% +$129
ATCO
1379
DELISTED
Atlas Corp.
ATCO
$116K ﹤0.01%
13,376
– –
ASHR icon
1380
Xtrackers Harvest CSI 300 China A-Shares ETF
ASHR
$1.58B
$115K ﹤0.01%
4,000
-3,100
-44% -$79.3K
FSP
1381
Franklin Street Properties
FSP
$47.1M
$115K ﹤0.01%
10,000
– –
GRBK icon
1382
Green Brick Partners
GRBK
$3.07B
$114K ﹤0.01%
13,000
– –
VERU icon
1383
Veru
VERU
$37.1M
$113K ﹤0.01%
7,763
+500
+7% +$7.18K
XOP icon
1384
State Street SPDR S&P Oil & Gas Exploration & Production ETF
XOP
$3.52B
$110K ﹤0.01%
898
-529
-37% -$63.7K
ITM icon
1385
VanEck Intermediate Muni ETF
ITM
$2.15B
$109K ﹤0.01%
2,235
+1,235
+124% +$59.2K
IWC icon
1386
iShares Micro-Cap ETF
IWC
$1.5B
$109K ﹤0.01%
1,175
+35
+3% +$3.23K
EEMA icon
1387
iShares MSCI Emerging Markets Asia ETF
EEMA
$852M
$108K ﹤0.01%
+1,600
New +$104K
IXJ icon
1388
iShares Global Healthcare ETF
IXJ
$4.14B
$108K ﹤0.01%
1,760
+182
+12% +$10.8K
STPZ icon
1389
PIMCO 1-5 Year US TIPS Index Exchange-Traded Fund
STPZ
$516M
$108K ﹤0.01%
2,095
– –
XLRE icon
1390
State Street Real Estate Select Sector SPDR ETF
XLRE
$8.56B
$105K ﹤0.01%
2,890
+988
+52% +$33.7K
EWT icon
1391
iShares MSCI Taiwan ETF
EWT
$10.6B
$103K ﹤0.01%
2,985
– –
ATHX
1392
DELISTED
Athersys, Inc. Common Stock
ATHX
$103K ﹤0.01%
2,742
-94
-3% -$3.6K
AVP
1393
DELISTED
Avon Products, Inc.
AVP
$102K ﹤0.01%
34,525
+5,125
+17% +$12.9K
NBR icon
1394
Nabors Industries
NBR
$1.23B
$101K ﹤0.01%
587
+14
+2% +$2.18K
ADAM
1395
Adamas Trust
ADAM
$856M
$101K ﹤0.01%
4,138
+1,350
+48% +$33.2K
VAW icon
1396
Vanguard Materials ETF
VAW
$3.08B
$99K ﹤0.01%
805
-4,627
-85% -$555K
PGF icon
1397
Invesco Financial Preferred ETF
PGF
$672M
$98K ﹤0.01%
5,344
+1,744
+48% +$31.5K
HSBC.PRA
1398
DELISTED
HSBC Holdings PLC, Inc. ADS(1/40 shr. 6.2% Non-Cum. Dlr. Pref. Shrs., Ser.A)
HSBC.PRA
$98K ﹤0.01%
3,748
+348
+10% +$8.99K
SOIL
1399
DELISTED
Global X Fertilizers/Potash ETF
SOIL
$97K ﹤0.01%
9,500
– –
MTUM icon
1400
iShares MSCI USA Momentum Factor ETF
MTUM
$26.1B
$96K ﹤0.01%
859
+171
+25% +$18.4K
54 55
56
57 58

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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.