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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
TDIV icon
1476
First Trust NASDAQ Technology Dividend Index Fund
TDIV
$4.38B
$45K ﹤0.01%
1,180
– –
MJ icon
1477
Amplify Alternative Harvest ETF
MJ
$103M
$44K ﹤0.01%
101
-23
-19% -$9.48K
SHYG icon
1478
iShares 0-5 Year High Yield Corporate Bond ETF
SHYG
$7.6B
$44K ﹤0.01%
943
-173
-16% -$7.99K
SREV
1479
DELISTED
ServiceSource International, Inc.
SREV
$44K ﹤0.01%
+48,185
New +$50.5K
EWL icon
1480
iShares MSCI Switzerland ETF
EWL
$2.21B
$43K ﹤0.01%
1,203
-78
-6% -$2.64K
SDOG icon
1481
ALPS Sector Dividend Dogs ETF
SDOG
$1.41B
$43K ﹤0.01%
1,000
– –
RNTX
1482
Rein Therapeutics
RNTX
$67.4M
$43K ﹤0.01%
+1,093
New +$34.1K
JXI icon
1483
iShares Global Utilities ETF
JXI
$309M
$42K ﹤0.01%
+782
New +$40.6K
SLYV icon
1484
State Street SPDR S&P 600 Small Cap Value ETF
SLYV
$4.99B
$42K ﹤0.01%
690
– –
BMVP icon
1485
Invesco Bloomberg MVP Multi-factor ETF
BMVP
$106M
$41K ﹤0.01%
1,290
– –
DBKO
1486
DELISTED
Xtrackers MSCI South Korea Hedged Equity ETF
DBKO
$41K ﹤0.01%
1,499
– –
AOM icon
1487
iShares Core Moderate Allocation ETF
AOM
$1.77B
$40K ﹤0.01%
1,056
-565
-35% -$21K
CSD icon
1488
Invesco S&P Spin-Off ETF
CSD
$227M
$40K ﹤0.01%
760
– –
FDIQ
1489
Invesco Bloomberg Financial Data Providers ETF
FDIQ
$50.1M
$40K ﹤0.01%
829
-1,474
-64% -$74.9K
SPTM icon
1490
State Street SPDR Portfolio S&P 1500 Composite Stock Market ETF
SPTM
$14B
$40K ﹤0.01%
1,150
– –
WLL
1491
DELISTED
Whiting Petroleum Corporation
WLL
$40K ﹤0.01%
20
-1
-5% -$2.02K
PALI icon
1492
Palisade Bio
PALI
$363M
$39K ﹤0.01%
1
– –
IFV icon
1493
First Trust Dorsey Wright International Focus 5 ETF
IFV
$233M
$38K ﹤0.01%
2,000
– –
TOVX icon
1494
Theriva Biologics
TOVX
$10.3M
$38K ﹤0.01%
226
+48
+27% +$7.95K
CGW icon
1495
Invesco S&P Global Water Index ETF
CGW
$1.08B
$37K ﹤0.01%
1,032
+442
+75% +$15K
OIH icon
1496
VanEck Oil Services ETF
OIH
$1.94B
$37K ﹤0.01%
107
+25
+30% +$8.44K
SBUX icon
1497
CALL
Starbucks
SBUX
$120B
$37K ﹤0.01%
500
-1,000
-67% -$68.7K
VCLT icon
1498
Vanguard Long-Term Corporate Bond ETF
VCLT
$8.84B
$37K ﹤0.01%
400
– –
XHS icon
1499
State Street SPDR S&P Health Care Services ETF
XHS
$203M
$36K ﹤0.01%
564
+15
+3% +$1.01K
BSJK
1500
DELISTED
Invesco BulletShares 2020 High Yield Corporate Bond ETF
BSJK
$36K ﹤0.01%
1,500
-957
-39% -$22.9K
58 59
60
61 62

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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.