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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
BAC icon
176
Bank of America
BAC
$453B
$23.6M 0.1%
978,342
+85,062
+10% +$2.12M
EMR icon
177
Emerson Electric
EMR
$91.4B
$23.4M 0.1%
357,028
+110,198
+45% +$7.26M
COO icon
178
Cooper Companies
COO
$15B
$23.4M 0.1%
277,648
-18,448
-6% -$1.42M
PAYX icon
179
Paychex
PAYX
$42.8B
$23M 0.1%
288,528
-3,618
-1% -$272K
UBER icon
180
Uber
UBER
$154B
$22.1M 0.09%
604,811
+520,139
+614% +$17.2M
PANW icon
181
Palo Alto Networks
PANW
$315B
$21.8M 0.09%
535,392
+49,728
+10% +$2.07M
APD icon
182
Air Products & Chemicals
APD
$67.7B
$21.2M 0.09%
71,093
-357
-0.5% -$103K
DAY
183
DELISTED
Dayforce
DAY
$21.1M 0.09%
255,117
+102,388
+67% +$8.01M
VCIT icon
184
Vanguard Intermediate-Term Corporate Bond ETF
VCIT
$67.6B
$21M 0.09%
218,931
-12,659
-5% -$1.22M
BAH icon
185
Booz Allen Hamilton
BAH
$9.43B
$21M 0.09%
252,511
+3,519
+1% +$288K
ADPT icon
186
Adaptive Biotechnologies
ADPT
$4.02B
$20.9M 0.09%
429,998
+245,355
+133% +$10.3M
VWO icon
187
Vanguard FTSE Emerging Markets ETF
VWO
$126B
$20.7M 0.09%
478,821
-6,150
-1% -$267K
IWB icon
188
iShares Russell 1000 ETF
IWB
$50.2B
$20.6M 0.09%
109,956
+725
+0.7% +$134K
HEI icon
189
HEICO Corp
HEI
$52.1B
$20.4M 0.09%
195,063
-6,865
-3% -$709K
GS icon
190
Goldman Sachs
GS
$302B
$20.4M 0.09%
101,487
-229,700
-69% -$46.7M
TRMB icon
191
Trimble
TRMB
$13.1B
$20.3M 0.09%
416,643
-12,935
-3% -$618K
MDLZ icon
192
Mondelez International
MDLZ
$79.4B
$19.6M 0.08%
341,719
+71,217
+26% +$3.96M
PTON icon
193
Peloton Interactive
PTON
$2.38B
$19.4M 0.08%
195,203
+13,929
+8% +$1.02M
CLX icon
194
Clorox
CLX
$12.8B
$19.2M 0.08%
91,438
+1,152
+1% +$257K
ITOT icon
195
iShares Core S&P Total US Stock Market ETF
ITOT
$97.8B
$18.8M 0.08%
249,512
-5,196
-2% -$388K
VNQ icon
196
Vanguard Real Estate ETF
VNQ
$38.6B
$18.7M 0.08%
236,943
-24,842
-9% -$1.99M
TGT icon
197
Target
TGT
$69.9B
$18.6M 0.08%
118,028
-5,631
-5% -$773K
ESGD icon
198
iShares ESG Aware MSCI EAFE ETF
ESGD
$12.3B
$18.6M 0.08%
292,467
+11,111
+4% +$709K
NVS icon
199
Novartis
NVS
$290B
$18.2M 0.08%
209,617
+13,065
+7% +$1.13M
CVS icon
200
CVS Health
CVS
$121B
$18.2M 0.08%
311,114
-40,546
-12% -$2.52M
6 7
8
9 10

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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.