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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
NOC icon
376
Northrop Grumman
NOC
$82B
$5.56M 0.02%
17,620
-344
-2% -$112K
FND icon
377
Floor & Decor
FND
$6.32B
$5.52M 0.02%
73,829
+1,273
+2% +$87.5K
BIDU icon
378
Baidu
BIDU
$35.6B
$5.49M 0.02%
43,366
+6,078
+16% +$753K
AXDX
379
DELISTED
Accelerate Diagnostics
AXDX
$5.45M 0.02%
51,145
-2,085
-4% -$289K
AMAT icon
380
Applied Materials
AMAT
$435B
$5.39M 0.02%
90,751
+438
+0.5% +$27.1K
IWP icon
381
iShares Russell Mid-Cap Growth ETF
IWP
$21B
$5.39M 0.02%
62,342
-3,088
-5% -$261K
GE icon
382
GE Aerospace
GE
$379B
$5.36M 0.02%
172,679
-19,478
-10% -$633K
SDC
383
DELISTED
SmileDirectClub, Inc. Class A Common Stock
SDC
$5.33M 0.02%
456,799
-23,467
-5% -$216K
DD icon
384
DuPont de Nemours
DD
$19.5B
$5.32M 0.02%
76,411
+24,371
+47% +$1.71M
IT icon
385
Gartner
IT
$11.3B
$5.3M 0.02%
42,458
+565
+1% +$71.8K
NOBL icon
386
ProShares S&P 500 Dividend Aristocrats ETF
NOBL
$11.9B
$5.27M 0.02%
146,206
+114,048
+355% +$4.09M
HCSG icon
387
Healthcare Services Group
HCSG
$1.43B
$5.25M 0.02%
244,011
+774
+0.3% +$18.1K
PING
388
DELISTED
Ping Identity Holding Corp.
PING
$5.22M 0.02%
167,141
+12,898
+8% +$423K
DOV icon
389
Dover
DOV
$28B
$5.21M 0.02%
48,045
+1,579
+3% +$169K
TRV icon
390
Travelers Companies
TRV
$77.2B
$5.2M 0.02%
48,093
+34,201
+246% +$3.92M
VGK icon
391
Vanguard FTSE Europe ETF
VGK
$31B
$5.2M 0.02%
99,081
-694
-0.7% -$37.1K
HEFA icon
392
iShares Currency Hedged MSCI EAFE ETF
HEFA
$7.79B
$5.14M 0.02%
186,627
-1,385
-0.7% -$38.4K
IJR icon
393
iShares Core S&P Small-Cap ETF
IJR
$112B
$5.13M 0.02%
73,055
+4,881
+7% +$350K
SPSB icon
394
State Street SPDR Portfolio Short Term Corporate Bond ETF
SPSB
$10.8B
$5.12M 0.02%
163,122
+22,705
+16% +$712K
LQD icon
395
iShares iBoxx $ Investment Grade Corporate Bond ETF
LQD
$32.7B
$5.1M 0.02%
37,833
+5,580
+17% +$761K
BP icon
396
BP
BP
$111B
$5.04M 0.02%
288,765
-23,374
-7% -$506K
UL icon
397
Unilever
UL
$133B
$5.04M 0.02%
72,558
+12,650
+21% +$844K
KMPR icon
398
Kemper
KMPR
$1.56B
$5.03M 0.02%
75,316
-9,537
-11% -$724K
MGK icon
399
Vanguard Morningstar Mega Cap Growth ETF
MGK
$33.7B
$5M 0.02%
134,860
-15,490
-10% -$558K
ONEM
400
DELISTED
1Life Healthcare
ONEM
$4.99M 0.02%
176,055
-52,244
-23% -$1.65M
14 15
16
17 18

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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.