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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
GSHD icon
76
Goosehead Insurance
GSHD
$2.33B
$68.1M 0.29%
786,740
-14,578
-2% -$1.33M
MCD icon
77
McDonald's
MCD
$195B
$67.5M 0.29%
307,530
-12,479
-4% -$2.56M
LIN icon
78
Linde
LIN
$221B
$67.3M 0.29%
282,669
-12,005
-4% -$2.91M
TREX icon
79
Trex
TREX
$5.05B
$66.3M 0.28%
926,634
+262,322
+39% +$18.1M
VZ icon
80
Verizon
VZ
$195B
$66.1M 0.28%
1,110,888
+53,090
+5% +$3.08M
KRNT icon
81
Kornit Digital
KRNT
$817M
$65M 0.28%
1,001,457
-93,680
-9% -$5.37M
MKC icon
82
McCormick & Company Non-Voting
MKC
$14.2B
$64.6M 0.27%
665,880
-36,572
-5% -$3.58M
NFLX icon
83
Netflix
NFLX
$309B
$62.7M 0.27%
1,253,940
+54,050
+5% +$2.69M
SMG icon
84
ScottsMiracle-Gro
SMG
$3.62B
$62.5M 0.26%
408,467
+76,481
+23% +$11.8M
TMO icon
85
Thermo Fisher Scientific
TMO
$223B
$62M 0.26%
140,414
+6,253
+5% +$2.58M
ISRG icon
86
Intuitive Surgical
ISRG
$142B
$61.9M 0.26%
261,540
+7,314
+3% +$1.64M
PEP icon
87
PepsiCo
PEP
$189B
$60.3M 0.26%
434,987
+44,850
+11% +$6.1M
TEAM icon
88
Atlassian
TEAM
$39.4B
$58.8M 0.25%
323,435
+28,017
+9% +$5M
EXEL icon
89
Exelixis
EXEL
$12.5B
$58.6M 0.25%
2,395,808
+299,453
+14% +$6.99M
ROL icon
90
Rollins
ROL
$17.6B
$58.5M 0.25%
1,620,294
+20,677
+1% +$715K
QDEL icon
91
QuidelOrtho
QDEL
$1.02B
$58.5M 0.25%
266,493
+180,433
+210% +$40.3M
ZM icon
92
Zoom
ZM
$30.8B
$57.8M 0.25%
122,901
+4,456
+4% +$1.42M
PLMR icon
93
Palomar
PLMR
$3.36B
$56.4M 0.24%
541,146
+19,543
+4% +$1.92M
NKE icon
94
Nike
NKE
$60.1B
$54.9M 0.23%
437,072
+40,673
+10% +$4.37M
LOW icon
95
Lowe's Companies
LOW
$121B
$53.1M 0.23%
319,882
-8,605
-3% -$1.33M
MRCY icon
96
Mercury Systems
MRCY
$6.7B
$52.4M 0.22%
676,884
+135,469
+25% +$10.3M
MDT icon
97
Medtronic
MDT
$116B
$52.3M 0.22%
502,927
+17,455
+4% +$1.75M
GILD icon
98
Gilead Sciences
GILD
$168B
$51.8M 0.22%
820,163
-34,491
-4% -$2.39M
CHKP icon
99
Check Point Software Technologies
CHKP
$13.2B
$51.8M 0.22%
430,489
-31,949
-7% -$3.9M
MCHP icon
100
Microchip Technology
MCHP
$43.1B
$51.3M 0.22%
997,616
+23,262
+2% +$1.21M
2 3
4
5 6

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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.