We are live on ! Find out more
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
+13.98%
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
$27.3B
AUM Growth
+$3.7B
Cap. Flow
+$865M
Cap. Flow %
3.17%
Top 10 Hldgs %
25.38%
Holding
1,900
New
178
Increased
749
Reduced
623
Closed
72

Top Buys

Rank Stock Value
1
SPLK
Splunk Inc
SPLK
+$77.8M
2
GD icon
General Dynamics
GD
+$49.6M
3
ROK icon
Rockwell Automation
ROK
+$43.3M
4
LMBS icon
First Trust Exchange-Traded Fund IV First Trust Low Duration Opportunities ETF
LMBS
+$32.3M
5
JPM icon
JPMorgan Chase
JPM
+$30.6M

Top Sells

Rank Stock Value
1
WORK
Slack Technologies, Inc.
WORK
+$24.2M
2
NTRS icon
Northern Trust
NTRS
+$24.1M
3
BKNG icon
Booking.com
BKNG
+$22.5M
4
EXEL icon
Exelixis
EXEL
+$17.5M
5
DOCU
DocuSign
DOCU
+$15M

Sector Composition

Rank Sector Weight
1 Technology 27.82%
2 Healthcare 18.6%
3 Financials 11.15%
4 Consumer Discretionary 10.38%
5 Industrials 8.96%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
MTD icon
526
Mettler-Toledo International
MTD
$28.6B
$3.34M 0.01%
2,931
-11
-0.4% -$12.1K
CAKE icon
527
Cheesecake Factory
CAKE
$5.73B
$3.34M 0.01%
90,104
+22,412
+33% +$769K
NET icon
528
Cloudflare
NET
$116B
$3.33M 0.01%
+43,885
New +$2.88M
SU icon
529
Suncor Energy
SU
$75.7B
$3.32M 0.01%
197,861
-80,001
-29% -$1.18M
PARA
530
DELISTED
Paramount Global Class B
PARA
$3.32M 0.01%
89,026
-19,904
-18% -$639K
XLE icon
531
State Street Energy Select Sector SPDR ETF
XLE
$39.8B
$3.31M 0.01%
174,948
+129,926
+289% +$2.24M
HYMB icon
532
State Street SPDR Nuveen ICE High Yield Municipal Bond ETF
HYMB
$3.37B
$3.26M 0.01%
110,424
-286
-0.3% -$8.24K
TRHC
533
DELISTED
Tabula Rasa HealthCare, Inc. Common Stock
TRHC
$3.24M 0.01%
75,626
-9,737
-11% -$370K
CHGG icon
534
Chegg
CHGG
$86.4M
$3.23M 0.01%
35,807
+4,774
+15% +$379K
CTVA icon
535
Corteva
CTVA
$50.4B
$3.23M 0.01%
83,279
+4,103
+5% +$147K
LGND icon
536
Ligand Pharmaceuticals
LGND
$5.77B
$3.22M 0.01%
51,847
+12,771
+33% +$728K
CTLT
537
DELISTED
CATALENT, INC.
CTLT
$3.21M 0.01%
30,880
-809
-3% -$78.4K
WWD icon
538
Woodward
WWD
$21.2B
$3.11M 0.01%
25,591
+365
+1% +$37K
RGLD icon
539
Royal Gold
RGLD
$19.4B
$3.09M 0.01%
29,035
-365
-1% -$42.2K
MTCH icon
540
Match Group
MTCH
$8.4B
$3.09M 0.01%
20,416
-1,577
-7% -$209K
J icon
541
Jacobs Solutions
J
$16.8B
$3.04M 0.01%
33,757
+24,345
+259% +$2.06M
CLVT icon
542
Clarivate
CLVT
$1.18B
$3.04M 0.01%
102,316
+786
+0.8% +$23.2K
LRCX icon
543
Lam Research
LRCX
$422B
$3.04M 0.01%
64,370
+43,210
+204% +$1.82M
FSV icon
544
FirstService
FSV
$6.16B
$3.02M 0.01%
22,092
+24
+0.1% +$3.23K
HEEM icon
545
iShares Currency Hedged MSCI Emerging Markets
HEEM
$294M
$3.02M 0.01%
98,258
+5,884
+6% +$171K
TFC icon
546
Truist Financial
TFC
$64.6B
$3.01M 0.01%
62,841
-2,897
-4% -$131K
ICLN icon
547
iShares Global Clean Energy ETF
ICLN
$2.11B
$2.99M 0.01%
105,787
+38,572
+57% +$867K
MORN icon
548
Morningstar
MORN
$7.4B
$2.94M 0.01%
12,716
-9,797
-44% -$1.95M
NEM icon
549
Newmont
NEM
$121B
$2.94M 0.01%
49,042
+12,547
+34% +$773K
FICO icon
550
Fair Isaac
FICO
$22.9B
$2.92M 0.01%
5,722
+560
+11% +$260K
20 21
22
23 24

Similar funds

Parallax Volatility Advisers
Parallax Volatility Advisers San Francisco, California $38.6B AUM 45.89% 1-Year Est. Return
Credit Agricole
Credit Agricole Montrouge Cedex, France $38.1B AUM
Carson Wealth (CWM LLC)
Carson Wealth (CWM LLC) Omaha, Nebraska $38.1B AUM 19.66% 1-Year Est. Return
Nomura Holdings
Nomura Holdings Tokyo, Japan $37.7B AUM 34.44% 1-Year Est. Return
Fayez Sarofim & Co
Fayez Sarofim & Co Houston, Texas $39.1B AUM 15.14% 1-Year Est. Return
HF
HRT Financial New York $40.1B AUM 58.22% 1-Year Est. Return
First Manhattan
First Manhattan New York $36.1B AUM 11.5% 1-Year Est. Return
Newport Trust Company
Newport Trust Company Washington, District of Columbia $40.7B AUM 24.62% 1-Year Est. Return

William Blair & Company's Q4 2020 Portfolio in Review

As of Q4 2020, William Blair & Company held 1,900 positions worth $27.3B, up 16% from $23.6B the previous quarter. Its ten largest holdings account for 25% of the portfolio.

William Blair & Company deployed $865M of net new capital in Q4 2020, opening 178 new positions and adding to 749 existing holdings. Its largest new stake was Seagen Inc. Common Stock: 91,539 shares worth $16M.

By sector, the portfolio is most concentrated in Technology at 28% of assets, up from 27% a quarter earlier, followed by Healthcare and Financials.

On the sell side, the largest reduction was Slack Technologies, Inc., an estimated $24.2M trimmed.

  • William Blair & Company's largest Q4 2020 buy was Seagen Inc. Common Stock: 91,539 shares worth $16M.
  • William Blair & Company added most to Splunk Inc in Q4 2020, an estimated $77.8M increase.
  • William Blair & Company's biggest Q4 2020 reduction was Slack Technologies, Inc., cutting an estimated $24.2M.
  • William Blair & Company fully exited Dunkin' Brands Group, Inc. in Q4 2020, selling an estimated $12.1M.
  • William Blair & Company's ten largest holdings make up 25% of its $27.3B portfolio in Q4 2020.
  • William Blair & Company opened 178 new positions and closed 72 in Q4 2020.
  • William Blair & Company's portfolio value rose 16% quarter-over-quarter to $27.3B.

Based on William Blair & Company's 13F filing for Q4 2020, filed 9 Feb 2021.