We are live on ! Find out more
William Blair & Company

William Blair & Company Portfolio holdings

AUM $34.9B
1-Year Est. Return 18.88%
This Fund
S&P 500
This Quarter Est. Return
+9.1%
1 Year Est. Return
+18.88%
3 Year Est. Return
+73.84%
5 Year Est. Return
+90.13%
10 Year Est. Return
+563.35%
AUM
$19.5B
AUM Growth
+$2.1B
Cap. Flow
+$465M
Cap. Flow %
2.39%
Top 10 Hldgs %
22.3%
Holding
1,847
New
125
Increased
679
Reduced
598
Closed
120

Top Buys

Rank Stock Value
1
ANET icon
Arista Networks
ANET
+$24M
2
DIS icon
Walt Disney
DIS
+$22.5M
3
PYPL icon
PayPal
PYPL
+$21.1M
4
AXP icon
American Express
AXP
+$18.6M
5
NOW icon
ServiceNow
NOW
+$15.5M

Top Sells

Rank Stock Value
1
CELG
Celgene Corp
CELG
+$25M
2
ULTA icon
Ulta Beauty
ULTA
+$21.8M
3
EOG icon
EOG Resources
EOG
+$20.9M
4
ABMD
Abiomed Inc
ABMD
+$16.3M
5
GRUB
Just Eat Takeaway.com N.V. American Depositary Shares
GRUB
+$11.2M

Sector Composition

Rank Sector Weight
1 Technology 23.46%
2 Healthcare 17.35%
3 Financials 13.04%
4 Consumer Discretionary 9.94%
5 Industrials 9.53%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
FREL icon
1351
Fidelity MSCI Real Estate Index ETF
FREL
$1.49B
$125K ﹤0.01%
+4,490
New +$124K
FWONA icon
1352
Liberty Media Series A
FWONA
$23.6B
$123K ﹤0.01%
2,927
-1,637
-36% -$64.3K
KN icon
1353
Knowles
KN
$3.34B
$123K ﹤0.01%
+5,806
New +$125K
DBEU icon
1354
Xtrackers MSCI Europe Hedged Equity ETF
DBEU
$785M
$120K ﹤0.01%
3,866
-1,000
-21% -$30.3K
JUST icon
1355
Goldman Sachs JUST US Large Cap Equity ETF
JUST
$579M
$120K ﹤0.01%
2,600
– –
MTUM icon
1356
iShares MSCI USA Momentum Factor ETF
MTUM
$26.2B
$119K ﹤0.01%
951
+324
+52% +$39.3K
ILF icon
1357
iShares Latin America 40 ETF
ILF
$3.76B
$116K ﹤0.01%
3,428
– –
SMB icon
1358
VanEck Short Muni ETF
SMB
$312M
$116K ﹤0.01%
6,500
– –
CCJ icon
1359
Cameco
CCJ
$42.4B
$115K ﹤0.01%
+12,908
New +$119K
VT icon
1360
Vanguard Total World Stock ETF
VT
$79.7B
$115K ﹤0.01%
1,416
-72
-5% -$5.6K
PGF icon
1361
Invesco Financial Preferred ETF
PGF
$672M
$114K ﹤0.01%
6,044
-2,000
-25% -$37.5K
EEMA icon
1362
iShares MSCI Emerging Markets Asia ETF
EEMA
$860M
$113K ﹤0.01%
1,600
– –
IXJ icon
1363
iShares Global Healthcare ETF
IXJ
$4.17B
$113K ﹤0.01%
1,649
– –
MGV icon
1364
Vanguard Morningstar Mega Cap Value ETF
MGV
$13.4B
$113K ﹤0.01%
1,300
– –
TBT icon
1365
ProShares Trust UltraShort Lehman 20+ Year Treasury
TBT
$313M
$113K ﹤0.01%
4,240
-4,239
-50% -$108K
HYS icon
1366
PIMCO 0-5 Year High Yield Corporate Bond Index Exchange-Traded Fund
HYS
$1.75B
$112K ﹤0.01%
1,119
+117
+12% +$11.6K
GME icon
1367
GameStop
GME
$8.57B
$111K ﹤0.01%
73,320
-4,000
-5% -$5.87K
VPU
1368
Vanguard Utilities ETF
VPU
$8.37B
$110K ﹤0.01%
767
+161
+27% +$22.6K
EWH icon
1369
iShares MSCI Hong Kong ETF
EWH
$1.22B
$107K ﹤0.01%
4,392
– –
IVOO icon
1370
Vanguard S&P Mid-Cap 400 ETF
IVOO
$3.84B
$107K ﹤0.01%
1,534
+432
+39% +$28.9K
LITE icon
1371
Lumentum
LITE
$69.4B
$107K ﹤0.01%
+1,347
New +$88.2K
ADAM
1372
Adamas Trust
ADAM
$885M
$107K ﹤0.01%
4,295
– –
EWY icon
1373
iShares MSCI South Korea ETF
EWY
$24B
$106K ﹤0.01%
1,702
– –
FINX icon
1374
Global X FinTech ETF
FINX
$170M
$106K ﹤0.01%
3,484
– –
STPZ icon
1375
PIMCO 1-5 Year US TIPS Index Exchange-Traded Fund
STPZ
$516M
$106K ﹤0.01%
2,030
– –
53 54
55
56 57

Similar funds

SAM
Storebrand Asset Management Lysaker, Norway $34.8B AUM 25.49% 1-Year Est. Return
Chevy Chase Trust
Chevy Chase Trust Bethesda, Maryland $34.7B AUM 29.45% 1-Year Est. Return
VIA
Vanguard Investments Australia Victoria, Australia $34.6B AUM
Alyeska Investment Group
Alyeska Investment Group Chicago, Illinois $35.4B AUM 33.54% 1-Year Est. Return
Pacer Advisors
Pacer Advisors Malvern, Pennsylvania $35.6B AUM 18.19% 1-Year Est. Return
Kayne Anderson Rudnick Investment Management
Kayne Anderson Rudnick Investment Management Los Angeles, California $34B AUM 6.31% 1-Year Est. Return
Viking Global Investors
Viking Global Investors Stamford, Connecticut $35.7B AUM 21.3% 1-Year Est. Return
MML Investors Services
MML Investors Services Springfield, Massachusetts $36.1B AUM 19.68% 1-Year Est. Return

William Blair & Company's Q4 2019 Portfolio in Review

As of Q4 2019, William Blair & Company held 1,847 positions worth $19.5B, up 12% from $17.4B the previous quarter. Its ten largest holdings account for 22% of the portfolio.

William Blair & Company's Q4 2019 filing shows 125 new, 679 increased, 598 reduced and 120 closed positions. Its largest new stake was Dynatrace: 165,602 shares worth $4.19M. The largest sale was Celgene Corp, an estimated $25M.

By sector, the portfolio is most concentrated in Technology at 23% of assets, up from 23% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q4 2019 buy was Dynatrace: 165,602 shares worth $4.19M.
  • William Blair & Company added most to Arista Networks in Q4 2019, an estimated $24M increase.
  • William Blair & Company's biggest Q4 2019 reduction was Ulta Beauty, cutting an estimated $21.8M.
  • William Blair & Company fully exited Celgene Corp in Q4 2019, selling an estimated $25M.
  • William Blair & Company's ten largest holdings make up 22% of its $19.5B portfolio in Q4 2019.
  • William Blair & Company opened 125 new positions and closed 120 in Q4 2019.
  • William Blair & Company's portfolio value rose 12% quarter-over-quarter to $19.5B.

Based on William Blair & Company's 13F filing for Q4 2019, filed 13 Feb 2020.