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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
+12.53%
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
$23.6B
AUM Growth
+$2.6B
Cap. Flow
+$316M
Cap. Flow %
1.34%
Top 10 Hldgs %
26.84%
Holding
1,800
New
126
Increased
679
Reduced
652
Closed
80

Top Buys

Rank Stock Value
1
QDEL icon
QuidelOrtho
QDEL
+$40.3M
2
TDOC icon
Teladoc Health
TDOC
+$32.5M
3
CTAS icon
Cintas
CTAS
+$25.5M
4
ECL icon
Ecolab
ECL
+$25.4M
5
FTV icon
Fortive
FTV
+$24M

Top Sells

Rank Stock Value
1
GS icon
Goldman Sachs
GS
+$46.7M
2
GWRE icon
Guidewire Software
GWRE
+$38.9M
3
ANET icon
Arista Networks
ANET
+$31.4M
4
V icon
Visa
V
+$25.9M
5
PFNX
Pfenex Inc.
PFNX
+$25.4M

Sector Composition

Rank Sector Weight
1 Technology 27.37%
2 Healthcare 19.68%
3 Financials 10.88%
4 Consumer Discretionary 10.56%
5 Industrials 8.4%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
FNCL icon
1701
Fidelity MSCI Financials Index ETF
FNCL
$2.42B
– –
-75
Closed -$2K
GBX icon
1702
The Greenbrier Companies
GBX
$1.41B
– –
-586
Closed -$13K
GEL icon
1703
Genesis Energy
GEL
$1.94B
– –
-12,670
Closed -$91K
GSBD icon
1704
Goldman Sachs BDC
GSBD
$1.08B
– –
-1,400
Closed -$23K
GSIE icon
1705
Goldman Sachs ActiveBeta International Equity ETF
GSIE
$6.14B
– –
-728
Closed -$19K
GSJY icon
1706
Goldman Sachs ActiveBeta Japan Equity ETF
GSJY
$88.7M
– –
-3,609
Closed -$112K
GXC icon
1707
State Street SPDR S&P China ETF
GXC
$474M
– –
-60
Closed -$6K
HES
1708
DELISTED
Hess
HES
– –
-6,308
Closed -$327K
HHS icon
1709
Harte-Hanks
HHS
$18.6M
– –
-661,118
Closed -$2.01M
HWM icon
1710
Howmet Aerospace
HWM
$112B
– –
-10,539
Closed -$167K
HXL icon
1711
Hexcel
HXL
$7.74B
– –
-4,551
Closed -$206K
IDGT icon
1712
iShares US Digital Infrastructure and Real Estate ETF
IDGT
$544M
– –
-56
Closed -$3K
IDLV icon
1713
Invesco S&P International Developed Low Volatility ETF
IDLV
$344M
– –
-1,270
Closed -$35K
JUST icon
1714
Goldman Sachs JUST US Large Cap Equity ETF
JUST
$579M
– –
-2,940
Closed -$132K
KN icon
1715
Knowles
KN
$3.33B
$0 ﹤0.01%
12
– –
LAUR icon
1716
Laureate Education
LAUR
$5.1B
– –
-12,160
Closed -$121K
LDOS icon
1717
Leidos
LDOS
$17.6B
– –
-2,234
Closed -$209K
LITE icon
1718
Lumentum
LITE
$72.5B
– –
-1,506
Closed -$123K
LPRO
1719
DELISTED
Open Lending Corp
LPRO
– –
-65,176
Closed -$984K
MDU icon
1720
MDU Resources
MDU
$4.32B
– –
-45,918
Closed -$387K
PFX icon
1721
PhenixFIN
PFX
$88.9M
– –
-1,166
Closed -$18K
PLAY icon
1722
Dave & Buster's
PLAY
$361M
– –
-12,929
Closed -$172K
QID icon
1723
ProShares UltraShort QQQ
QID
$247M
– –
0
– –
REAL icon
1724
The RealReal
REAL
$1.36B
– –
-11,751
Closed -$150K
RELX icon
1725
RELX
RELX
$60.2B
– –
-20,534
Closed -$484K
67 68
69
70 71

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William Blair & Company's Q3 2020 Portfolio in Review

As of Q3 2020, William Blair & Company held 1,800 positions worth $23.6B, up 12% from $21B the previous quarter. Its ten largest holdings account for 27% of the portfolio.

William Blair & Company's Q3 2020 filing shows 126 new, 679 increased, 652 reduced and 80 closed positions. Its largest new stake was Unity: 72,858 shares worth $6.36M. The largest sale was Goldman Sachs, an estimated $46.7M.

By sector, the portfolio is most concentrated in Technology at 27% of assets, down from 27% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q3 2020 buy was Unity: 72,858 shares worth $6.36M.
  • William Blair & Company added most to QuidelOrtho in Q3 2020, an estimated $40.3M increase.
  • William Blair & Company's biggest Q3 2020 reduction was Goldman Sachs, cutting an estimated $46.7M.
  • William Blair & Company fully exited Pfenex Inc. in Q3 2020, selling an estimated $25.4M.
  • William Blair & Company's ten largest holdings make up 27% of its $23.6B portfolio in Q3 2020.
  • William Blair & Company opened 126 new positions and closed 80 in Q3 2020.
  • William Blair & Company's portfolio value rose 12% quarter-over-quarter to $23.6B.

Based on William Blair & Company's 13F filing for Q3 2020, filed 6 Nov 2020.