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William Blair & Company

William Blair & Company Portfolio holdings

AUM $38.4B
1-Year Est. Return 25.71%
This Fund
S&P 500
This Quarter Est. Return
+6.81%
1 Year Est. Return
+25.71%
3 Year Est. Return
+88.7%
5 Year Est. Return
+104.53%
10 Year Est. Return
+665.86%
AUM
$17.5B
AUM Growth
+$1.09B
Cap. Flow
+$196M
Cap. Flow %
1.12%
Top 10 Hldgs %
22.04%
Holding
1,814
New
115
Increased
670
Reduced
633
Closed
80

Top Buys

Rank Stock Value
1
FISV
Fiserv Inc
FISV
+$41.9M
2
DLB icon
Dolby
DLB
+$23M
3
TDOC icon
Teladoc Health
TDOC
+$20.9M
4
CPRT icon
Copart
CPRT
+$20.8M
5
DXCM icon
DexCom
DXCM
+$16M

Sector Composition

Rank Sector Weight
1 Technology 22.57%
2 Healthcare 17.89%
3 Financials 12.54%
4 Consumer Discretionary 10.12%
5 Industrials 9.64%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
SR icon
826
Spire
SR
$4.89B
$782K ﹤0.01%
9,320
+500
+6% +$41.9K
HPQ icon
827
HP
HPQ
$26.8B
$777K ﹤0.01%
37,378
+3,197
+9% +$63.2K
KRYS icon
828
Krystal Biotech
KRYS
$9.85B
$776K ﹤0.01%
19,266
-46,940
-71% -$1.53M
HOLX
829
DELISTED
Hologic
HOLX
$775K ﹤0.01%
16,129
-866
-5% -$40K
VHT icon
830
Vanguard Health Care ETF
VHT
$19B
$769K ﹤0.01%
4,421
+2,127
+93% +$359K
CBM
831
DELISTED
Cambrex Corporation
CBM
$768K ﹤0.01%
16,397
-66
-0.4% -$2.77K
HASI icon
832
Hannon Armstrong Sustainable Infrastructure Capital
HASI
$5.37B
$766K ﹤0.01%
27,200
+200
+0.7% +$5.31K
ERIE icon
833
Erie Indemnity
ERIE
$13.5B
$763K ﹤0.01%
+3,001
New +$621K
IAA
834
DELISTED
IAA, Inc. Common Stock
IAA
$758K ﹤0.01%
+19,536
New +$758K
FSV icon
835
FirstService
FSV
$6.24B
$757K ﹤0.01%
7,892
GEL icon
836
Genesis Energy
GEL
$1.94B
$755K ﹤0.01%
34,468
+61
+0.2% +$1.36K
OLED icon
837
Universal Display
OLED
$4.23B
$755K ﹤0.01%
4,014
-225
-5% -$37.4K
HCCI
838
DELISTED
Heritage-Crystal Clean, Inc.
HCCI
$749K ﹤0.01%
28,465
+20,611
+262% +$551K
PETX
839
DELISTED
Aratana Therapeutics, Inc.
PETX
$742K ﹤0.01%
143,710
-14,640
-9% -$65.8K
IPG
840
DELISTED
Interpublic Group of Companies
IPG
$741K ﹤0.01%
32,808
-4,547
-12% -$101K
PEG icon
841
Public Service Enterprise Group
PEG
$37.8B
$741K ﹤0.01%
12,606
-157
-1% -$9.35K
TDW icon
842
Tidewater
TDW
$4.56B
$740K ﹤0.01%
31,506
LNT icon
843
Alliant Energy
LNT
$18.2B
$739K ﹤0.01%
15,059
-200
-1% -$9.54K
TOTL icon
844
State Street DoubleLine Total Return Tactical ETF
TOTL
$4B
$738K ﹤0.01%
15,043
+2,156
+17% +$104K
PSA icon
845
Public Storage
PSA
$60.4B
$735K ﹤0.01%
3,084
-117
-4% -$26.8K
SAN icon
846
Banco Santander
SAN
$211B
$735K ﹤0.01%
167,395
-28,075
-14% -$126K
SCHG icon
847
Schwab US Large-Cap Growth ETF
SCHG
$62.6B
$730K ﹤0.01%
70,208
+408
+0.6% +$4.15K
NUAN
848
DELISTED
Nuance Communications, Inc.
NUAN
$727K ﹤0.01%
52,548
-4,604
-8% -$67.9K
NLY icon
849
Annaly Capital Management
NLY
$17.4B
$725K ﹤0.01%
19,846
+637
+3% +$24.3K
IYH icon
850
iShares US Healthcare ETF
IYH
$3.78B
$724K ﹤0.01%
18,535
+2,195
+13% +$83.1K

Similar funds

William Blair & Company's Q2 2019 Portfolio in Review

As of Q2 2019, William Blair & Company held 1,814 positions worth $17.5B, up 6.6% from $16.4B the previous quarter. Its ten largest holdings account for 22% of the portfolio.

William Blair & Company's Q2 2019 filing shows 115 new, 670 increased, 633 reduced and 80 closed positions. Its largest new stake was Q2 Holdings: 213,468 shares worth $16.3M. The largest sale was Red Hat Inc, an estimated $144M.

By sector, the portfolio is most concentrated in Technology at 23% of assets, down from 23% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q2 2019 buy was Q2 Holdings: 213,468 shares worth $16.3M.
  • William Blair & Company added most to Fiserv Inc in Q2 2019, an estimated $41.9M increase.
  • William Blair & Company's biggest Q2 2019 reduction was Gilead Sciences, cutting an estimated $16.4M.
  • William Blair & Company fully exited Red Hat Inc in Q2 2019, selling an estimated $144M.
  • William Blair & Company's ten largest holdings make up 22% of its $17.5B portfolio in Q2 2019.
  • William Blair & Company opened 115 new positions and closed 80 in Q2 2019.
  • William Blair & Company's portfolio value rose 6.6% quarter-over-quarter to $17.5B.

Based on William Blair & Company's 13F filing for Q2 2019, filed 13 Aug 2019.