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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
FDN icon
951
First Trust Dow Jones Internet Index Fund ETF
FDN
$5.45B
$517K ﹤0.01%
3,699
-1,774
-32% -$236K
RY icon
952
Royal Bank of Canada
RY
$293B
$514K ﹤0.01%
6,809
+1,280
+23% +$96.8K
MYGN icon
953
Myriad Genetics
MYGN
$312M
$513K ﹤0.01%
15,460
-528
-3% -$16.1K
HYS icon
954
PIMCO 0-5 Year High Yield Corporate Bond Index Exchange-Traded Fund
HYS
$1.75B
$512K ﹤0.01%
5,105
+2,262
+80% +$223K
DEM icon
955
WisdomTree Emerging Markets High Dividend Fund
DEM
$3.98B
$510K ﹤0.01%
11,643
+5,210
+81% +$225K
HII icon
956
Huntington Ingalls Industries
HII
$12.8B
$510K ﹤0.01%
2,462
-10
-0.4% -$2.05K
EWX icon
957
State Street SPDR S&P Emerging Markets Small Cap ETF
EWX
$693M
$508K ﹤0.01%
11,391
+2,091
+22% +$91.3K
JKHY icon
958
Jack Henry & Associates
JKHY
$11.1B
$508K ﹤0.01%
3,664
-2,696
-42% -$356K
IPAR icon
959
Interparfums
IPAR
$3.94B
$507K ﹤0.01%
6,684
– –
ZEN
960
DELISTED
ZENDESK INC
ZEN
$506K ﹤0.01%
5,950
+1,950
+49% +$143K
BRF icon
961
VanEck Brazil Small-Cap ETF
BRF
$21.4M
$505K ﹤0.01%
23,682
– –
NBHC icon
962
National Bank Holdings
NBHC
$1.9B
$504K ﹤0.01%
12,592
– –
SNAP icon
963
Snap
SNAP
$9.01B
$499K ﹤0.01%
+45,296
New +$385K
IEX icon
964
IDEX
IEX
$17.3B
$497K ﹤0.01%
3,273
+35
+1% +$4.95K
MHK icon
965
Mohawk Industries
MHK
$9.22B
$496K ﹤0.01%
3,930
+155
+4% +$20.2K
AIVL icon
966
WisdomTree US AI Enhanced Value Fund
AIVL
$436M
$493K ﹤0.01%
5,764
+764
+15% +$63.6K
AXS icon
967
AXIS Capital
AXS
$7.55B
$493K ﹤0.01%
9,006
+107
+1% +$5.93K
TCS
968
DELISTED
THE CONTAINER STORE GROUP, INC.
TCS
$493K ﹤0.01%
1,502
– –
ONB icon
969
Old National Bancorp
ONB
$10.2B
$492K ﹤0.01%
30,000
-1,700
-5% -$28.4K
PLD icon
970
Prologis
PLD
$133B
$489K ﹤0.01%
6,795
+617
+10% +$42.1K
STOR
971
DELISTED
STORE Capital Corporation
STOR
$489K ﹤0.01%
14,585
+320
+2% +$10.1K
BMRC icon
972
Bank of Marin Bancorp
BMRC
$459M
$488K ﹤0.01%
12,000
– –
HPE icon
973
Hewlett Packard
HPE
$70.5B
$487K ﹤0.01%
31,536
+1,487
+5% +$22.9K
UYG icon
974
ProShares Ultra Financials
UYG
$847M
$486K ﹤0.01%
11,895
– –
THW
975
abrdn World Healthcare Fund
THW
$551M
$485K ﹤0.01%
37,888
– –
37 38
39
40 41

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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.