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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
DLR icon
426
Digital Realty Trust
DLR
$72.9B
$4.28M 0.02%
29,161
+1,483
+5% +$222K
BOTZ icon
427
Global X Robotics & Artificial Intelligence ETF
BOTZ
$3.59B
$4.28M 0.02%
153,549
-5,160
-3% -$136K
ADM icon
428
Archer Daniels Midland
ADM
$38.4B
$4.26M 0.02%
91,605
+18,600
+25% +$813K
PH icon
429
Parker-Hannifin
PH
$135B
$4.24M 0.02%
20,953
+1,608
+8% +$316K
VNQI icon
430
Vanguard Global ex-US Real Estate ETF
VNQI
$3.53B
$4.23M 0.02%
86,970
-2,677
-3% -$130K
MRCC
431
DELISTED
Monroe Capital Corp
MRCC
$4.16M 0.02%
607,773
-321,178
-35% -$2.2M
FNF icon
432
Fidelity National Financial
FNF
$12.8B
$4.16M 0.02%
138,035
+18,382
+15% +$576K
FTSM icon
433
First Trust Enhanced Short Maturity ETF
FTSM
$6.54B
$4.15M 0.02%
69,188
+65,315
+1,686% +$3.92M
GD icon
434
General Dynamics
GD
$107B
$4.15M 0.02%
29,991
+9,093
+44% +$1.34M
HSY icon
435
Hershey
HSY
$37B
$4.15M 0.02%
28,961
-728
-2% -$103K
RAMP icon
436
LiveRamp
RAMP
$2.3B
$4.13M 0.02%
79,831
+6,948
+10% +$347K
ODFL icon
437
Old Dominion Freight Line
ODFL
$44.1B
$4.11M 0.02%
45,420
-6,084
-12% -$571K
BFAM icon
438
Bright Horizons
BFAM
$3.76B
$4.07M 0.02%
26,789
+342
+1% +$43K
XLC icon
439
State Street Communication Services Select Sector SPDR ETF
XLC
$22.3B
$4.05M 0.02%
68,225
+8,348
+14% +$494K
ABB
440
DELISTED
ABB Ltd
ABB
$4.03M 0.02%
158,303
-1,223
-0.8% -$31.2K
RF icon
441
Regions Financial
RF
$26.9B
$3.99M 0.02%
346,057
+6,122
+2% +$68.3K
VYMI icon
442
Vanguard International High Dividend Yield ETF
VYMI
$21.3B
$3.98M 0.02%
76,349
-184
-0.2% -$9.88K
SMH icon
443
VanEck Semiconductor ETF
SMH
$72B
$3.97M 0.02%
45,614
-4,460
-9% -$374K
XLF icon
444
State Street Financial Select Sector SPDR ETF
XLF
$59.1B
$3.96M 0.02%
164,499
-208
-0.1% -$5.06K
CACC icon
445
Credit Acceptance
CACC
$5.99B
$3.95M 0.02%
11,665
+60
+0.5% +$25.2K
BN icon
446
Brookfield
BN
$110B
$3.95M 0.02%
223,068
-20,837
-9% -$372K
CHL
447
DELISTED
China Mobile Limited
CHL
$3.94M 0.02%
122,565
-1,145
-0.9% -$40.2K
IP icon
448
International Paper
IP
$21.8B
$3.92M 0.02%
101,992
-8,156
-7% -$288K
MRSH
449
Marsh
MRSH
$90.1B
$3.87M 0.02%
33,735
-449
-1% -$51.5K
BURL icon
450
Burlington
BURL
$22.3B
$3.85M 0.02%
18,698
-2,332
-11% -$454K
16 17
18
19 20

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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.