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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
BKLN icon
1326
Invesco Senior Loan ETF
BKLN
$6.81B
$169K ﹤0.01%
7,468
-2,018
-21% -$45.6K
LBRDA icon
1327
Liberty Broadband Class A
LBRDA
$5.32B
$169K ﹤0.01%
1,844
+16
+0.9% +$1.36K
DJP icon
1328
iPath Bloomberg Commodity Index Total Return ETN due 12 June 2036
DJP
$790M
$167K ﹤0.01%
7,355
-25
-0.3% -$562
OUSA icon
1329
ALPS O'Shares U.S. Quality Dividend ETF
OUSA
$763M
$167K ﹤0.01%
+4,958
New +$159K
IDU icon
1330
iShares US Utilities ETF
IDU
$1.39B
$166K ﹤0.01%
2,250
– –
SIEN
1331
DELISTED
Sientra, Inc.
SIEN
$166K ﹤0.01%
1,940
-15,266
-89% -$1.71M
ACHN
1332
DELISTED
Achillion Pharmaceuticals
ACHN
$165K ﹤0.01%
55,600
+1,000
+2% +$2.46K
SPYV icon
1333
State Street SPDR Portfolio S&P 500 Value ETF
SPYV
$36.6B
$164K ﹤0.01%
5,400
– –
QVCGA
1334
DELISTED
QVC Group Inc Series A
QVCGA
$163K ﹤0.01%
211
+4
+2% +$3.86K
CVIA
1335
DELISTED
Covia Holdings Corporation Common Stock
CVIA
$162K ﹤0.01%
28,942
+500
+2% +$2.58K
GME icon
1336
GameStop
GME
$8.63B
$159K ﹤0.01%
57,660
-4,916
-8% -$15.3K
IXN icon
1337
iShares Global Tech ETF
IXN
$8.74B
$158K ﹤0.01%
5,544
– –
VOX icon
1338
Vanguard Communication Services ETF
VOX
$5.73B
$158K ﹤0.01%
1,888
+524
+38% +$42.7K
BOE icon
1339
BlackRock Enhanced Global Dividend Trust
BOE
$683M
$152K ﹤0.01%
14,170
+3,650
+35% +$37.5K
BSCM
1340
DELISTED
Invesco BulletShares 2022 Corporate Bond ETF
BSCM
$152K ﹤0.01%
7,196
-3,578
-33% -$74.7K
OPPE
1341
WisdomTree European Opportunities Fund
OPPE
$294M
$151K ﹤0.01%
5,000
– –
GMF icon
1342
State Street SPDR S&P Emerging Asia Pacific ETF
GMF
$435M
$151K ﹤0.01%
+1,525
New +$144K
ZROZ icon
1343
PIMCO 25+ Year Zero Coupon US Treasury Index Exchange-Traded Fund
ZROZ
$1.27B
$151K ﹤0.01%
1,260
– –
GARS
1344
DELISTED
Garrison Capital Inc.
GARS
$149K ﹤0.01%
20,700
+750
+4% +$5.48K
IEI icon
1345
iShares 3-7 Year Treasury Bond ETF
IEI
$17.7B
$148K ﹤0.01%
1,204
+617
+105% +$75.1K
B
1346
Barrick Mining
B
$69.3B
$146K ﹤0.01%
10,684
+654
+7% +$8.45K
FSTX
1347
DELISTED
F-star Therapeutics, Inc. Common Stock
FSTX
$144K ﹤0.01%
3,431
+262
+8% +$11K
VG
1348
DELISTED
Vonage Holdings Corporation
VG
$143K ﹤0.01%
14,200
-35,458
-71% -$340K
EWC icon
1349
iShares MSCI Canada ETF
EWC
$6.26B
$142K ﹤0.01%
5,123
-57
-1% -$1.54K
EMES
1350
DELISTED
Emerge Energy Services LP
EMES
$142K ﹤0.01%
73,075
+1,000
+1% +$2.32K
52 53
54
55 56

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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.