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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
SAP icon
626
SAP
SAP
$234B
$1.64M 0.01%
10,549
+2,209
+26% +$351K
SPEM icon
627
State Street SPDR Portfolio Emerging Markets ETF
SPEM
$17.7B
$1.64M 0.01%
44,976
+8,150
+22% +$297K
ET icon
628
Energy Transfer Partners
ET
$72B
$1.64M 0.01%
302,963
-52,025
-15% -$330K
CDK
629
DELISTED
CDK Global, Inc.
CDK
$1.64M 0.01%
37,619
-1,660
-4% -$73.8K
G icon
630
Genpact
G
$5.66B
$1.63M 0.01%
41,799
-40,868
-49% -$1.61M
NVO
631
Novo Nordisk
NVO
$201B
$1.63M 0.01%
46,898
+1,308
+3% +$43.6K
GDXJ icon
632
VanEck Junior Gold Miners ETF
GDXJ
$8.28B
$1.62M 0.01%
29,342
-10,591
-27% -$610K
ITT icon
633
ITT
ITT
$19.3B
$1.62M 0.01%
27,431
-100
-0.4% -$6.06K
HAL icon
634
Halliburton
HAL
$27.4B
$1.61M 0.01%
133,673
-4,341
-3% -$62.9K
VHT icon
635
Vanguard Health Care ETF
VHT
$19B
$1.6M 0.01%
7,841
+701
+10% +$142K
ALBO
636
DELISTED
Albireo Pharma Inc
ALBO
$1.6M 0.01%
47,814
+10,970
+30% +$320K
LEN icon
637
Lennar Class A
LEN
$21B
$1.59M 0.01%
20,165
+82
+0.4% +$5.82K
SUSA icon
638
iShares ESG Optimized MSCI USA ETF
SUSA
$4.2B
$1.57M 0.01%
21,366
+2,632
+14% +$190K
SNA icon
639
Snap-on
SNA
$20.9B
$1.57M 0.01%
10,664
+900
+9% +$131K
SCZ icon
640
iShares MSCI EAFE Small-Cap ETF
SCZ
$13.6B
$1.56M 0.01%
26,517
-17,864
-40% -$1.02M
DAVA icon
641
Endava
DAVA
$163M
$1.56M 0.01%
24,721
-3,100
-11% -$168K
CTXS
642
DELISTED
Citrix Systems Inc
CTXS
$1.56M 0.01%
11,322
-791
-7% -$113K
VFH icon
643
Vanguard Financials ETF
VFH
$13.9B
$1.55M 0.01%
26,531
+19,342
+269% +$1.15M
VAPO
644
DELISTED
Vapotherm, Inc. Common Stock
VAPO
$1.55M 0.01%
6,691
-2,246
-25% -$647K
KRYS icon
645
Krystal Biotech
KRYS
$9.84B
$1.55M 0.01%
36,019
-13,880
-28% -$603K
BSX icon
646
Boston Scientific
BSX
$74.6B
$1.54M 0.01%
40,358
+14,464
+56% +$557K
CODI icon
647
Compass Diversified
CODI
$936M
$1.54M 0.01%
80,921
+9,411
+13% +$160K
OEF icon
648
iShares S&P 100 ETF
OEF
$20.5B
$1.54M 0.01%
9,884
-200
-2% -$30.8K
NOVT icon
649
Novanta
NOVT
$6.36B
$1.54M 0.01%
14,584
-570
-4% -$60.3K
VDC icon
650
Vanguard Consumer Staples ETF
VDC
$8.01B
$1.53M 0.01%
9,393
+255
+3% +$41.1K
24 25
26
27 28

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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.