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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
WIP icon
1551
State Street SPDR FTSE International Government Inflation-Protected Bond ETF
WIP
$474M
$22K ﹤0.01%
400
SCHC icon
1552
Schwab International Small-Cap Equity ETF
SCHC
$5.67B
$21K ﹤0.01%
643
+171
+36% +$5.46K
NEPT
1553
DELISTED
Neptune Wellness Solutions Inc. Ordinary Shares
NEPT
$21K ﹤0.01%
7
GNR icon
1554
State Street SPDR S&P Global Natural Resources ETF
GNR
$4.95B
$20K ﹤0.01%
523
NMTR
1555
DELISTED
9 Meters Biopharma
NMTR
$20K ﹤0.01%
+1,200
New +$14.6K
IBDL
1556
DELISTED
iShares iBonds Dec 2020 Term Corporate ETF
IBDL
$20K ﹤0.01%
800
DOL icon
1557
WisdomTree True Developed International Fund
DOL
$845M
$19K ﹤0.01%
450
-100
-18% -$4.23K
JXI icon
1558
iShares Global Utilities ETF
JXI
$307M
$19K ﹤0.01%
341
LMRKN
1559
DELISTED
Landmark Infrastructure Partners LP 7% Series C Fltg/Fxd Perpetual Conv Preferred Stock
LMRKN
$19K ﹤0.01%
800
SLY
1560
DELISTED
SPDR S&P 600 Small Cap ETF (based on S&P SmallCap 600 Index--symbol SML)
SLY
$19K ﹤0.01%
320
CSD icon
1561
Invesco S&P Spin-Off ETF
CSD
$232M
$18K ﹤0.01%
410
-350
-46% -$14.6K
FVAL icon
1562
Fidelity Value Factor ETF
FVAL
$1.37B
$18K ﹤0.01%
500
VDE icon
1563
Vanguard Energy ETF
VDE
$10.4B
$18K ﹤0.01%
448
-169
-27% -$8.04K
KA
1564
DELISTED
Kineta, Inc. Common Stock
KA
$18K ﹤0.01%
118
-97
-45% -$18.2K
FHLC icon
1565
Fidelity MSCI Health Care Index ETF
FHLC
$3.42B
$17K ﹤0.01%
315
-327
-51% -$17.1K
NBEV
1566
DELISTED
NewAge, Inc. Common Stock (Delaware)
NBEV
$17K ﹤0.01%
10,000
ATCXW
1567
DELISTED
Atlas Technical Consultants, Inc. Warrant
ATCXW
$17K ﹤0.01%
32,985
EWN icon
1568
iShares MSCI Netherlands ETF
EWN
$727M
$16K ﹤0.01%
+450
New +$15.7K
EWS icon
1569
iShares MSCI Singapore ETF
EWS
$1.16B
$16K ﹤0.01%
880
+280
+47% +$5.32K
EWZS icon
1570
iShares MSCI Brazil Small-Cap ETF
EWZS
$209M
$16K ﹤0.01%
1,300
GWX icon
1571
State Street SPDR S&P International Small Cap ETF
GWX
$925M
$16K ﹤0.01%
527
XSLV icon
1572
Invesco S&P SmallCap Low Volatility ETF
XSLV
$249M
$16K ﹤0.01%
473
+396
+514% +$13.6K
CDR
1573
DELISTED
Cedar Realty Trust, Inc
CDR
$16K ﹤0.01%
+3,030
New +$17.7K
ERUS
1574
DELISTED
iShares MSCI Russia ETF
ERUS
$16K ﹤0.01%
487
AOA icon
1575
iShares Core 80/20 Aggressive Allocation ETF
AOA
$3.28B
$15K ﹤0.01%
265
+2
+0.8% +$115

Similar funds

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.