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
+23.04%
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
$16.4B
AUM Growth
+$2.69B
Cap. Flow
+$306M
Cap. Flow %
1.86%
Top 10 Hldgs %
21%
Holding
1,770
New
129
Increased
754
Reduced
490
Closed
65

Top Buys

Rank Stock Value
1
FISV
Fiserv Inc
FISV
+$65.4M
2
P
Everpure Inc
P
+$35.3M
3
PYPL icon
PayPal
PYPL
+$30.4M
4
BA icon
Boeing
BA
+$28.3M
5
TWLO icon
Twilio
TWLO
+$24.2M

Top Sells

Rank Stock Value
1
TTE icon
TotalEnergies
TTE
+$155M
2
RHT
Red Hat Inc
RHT
+$73.4M
3
ULTI
Ultimate Software Group Inc
ULTI
+$70.6M
4
INGN icon
Inogen
INGN
+$25.8M
5
CELG
Celgene Corp
CELG
+$20.1M

Sector Composition

Rank Sector Weight
1 Technology 22.65%
2 Healthcare 17.38%
3 Financials 12.48%
4 Consumer Discretionary 9.87%
5 Industrials 9.37%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
SCHC icon
1451
Schwab International Small-Cap Equity ETF
SCHC
$5.59B
$54K ﹤0.01%
1,660
-245
-13% -$7.73K
SMH icon
1452
VanEck Semiconductor ETF
SMH
$71.8B
$53K ﹤0.01%
1,000
+200
+25% +$9.91K
FXL icon
1453
First Trust Technology AlphaDEX Fund
FXL
$2.72B
$52K ﹤0.01%
815
– –
OUSM icon
1454
ALPS O'Shares US Small-Cap Quality Dividend ETF
OUSM
$902M
$52K ﹤0.01%
+1,966
New +$51K
BEST
1455
DELISTED
BEST Inc. American Depositary Shares, each representing twenty (20) Class A Ordinary Shares
BEST
$52K ﹤0.01%
500
– –
RESE
1456
DELISTED
WisdomTree Emerging Markets ESG Fund
RESE
$52K ﹤0.01%
1,672
+2
+0.1% +$61
SRRA
1457
DELISTED
Sierra Oncology, Inc. Common Stock
SRRA
$50K ﹤0.01%
733
+310
+73% +$19.9K
ARQL
1458
DELISTED
Arqule Inc
ARQL
$50K ﹤0.01%
+10,500
New +$40.5K
CTIC
1459
DELISTED
CTI BioPharma Corp. (DE) Common Stock
CTIC
$50K ﹤0.01%
51,198
– –
CNYA icon
1460
iShares MSCI China A ETF
CNYA
$206M
$49K ﹤0.01%
1,650
+400
+32% +$10.5K
WIP icon
1461
State Street SPDR FTSE International Government Inflation-Protected Bond ETF
WIP
$472M
$49K ﹤0.01%
800
– –
SCHM icon
1462
Schwab US Mid-Cap ETF
SCHM
$14.9B
$48K ﹤0.01%
2,604
– –
NEPT
1463
DELISTED
Neptune Wellness Solutions Inc. Ordinary Shares
NEPT
$48K ﹤0.01%
11
+4
+57% +$19.1K
AWRE icon
1464
Aware
AWRE
$26.8M
$47K ﹤0.01%
13,000
– –
DFJ icon
1465
WisdomTree Japan SmallCap Dividend Fund
DFJ
$398M
$47K ﹤0.01%
695
– –
DIG icon
1466
ProShares Ultra Energy
DIG
$78.9M
$47K ﹤0.01%
1,212
– –
ISCG icon
1467
iShares Morningstar Small-Cap Growth ETF
ISCG
$1,000M
$47K ﹤0.01%
1,410
– –
KBWB icon
1468
Invesco KBW Bank ETF
KBWB
$6.86B
$47K ﹤0.01%
914
– –
MDYG icon
1469
State Street SPDR S&P 400 Mid Cap Growth ETF
MDYG
$2.89B
$47K ﹤0.01%
900
-62
-6% -$3.14K
PPA icon
1470
Invesco Aerospace & Defense ETF
PPA
$8.62B
$47K ﹤0.01%
811
+500
+161% +$28K
SGDM icon
1471
Sprott Gold Miners ETF
SGDM
$616M
$47K ﹤0.01%
2,500
– –
BIL icon
1472
State Street SPDR Bloomberg 1-3 Month T-Bill ETF
BIL
$46.9B
$46K ﹤0.01%
500
– –
VOOG icon
1473
Vanguard S&P 500 Growth ETF
VOOG
$27B
$46K ﹤0.01%
1,800
– –
ABUS icon
1474
Arbutus Biopharma
ABUS
$897M
$45K ﹤0.01%
12,700
+500
+4% +$1.92K
INTF icon
1475
iShares International Equity Factor ETF
INTF
$3.68B
$45K ﹤0.01%
1,725
+255
+17% +$6.56K
57 58
59
60 61

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 Q1 2019 Portfolio in Review

As of Q1 2019, William Blair & Company held 1,770 positions worth $16.4B, up 20% from $13.7B the previous quarter. Its ten largest holdings account for 21% of the portfolio.

William Blair & Company's Q1 2019 filing shows 129 new, 754 increased, 490 reduced and 65 closed positions. Its largest new stake was Western Midstream Partners: 147,267 shares worth $4.62M. The largest sale was TotalEnergies, an estimated $155M.

By sector, the portfolio is most concentrated in Technology at 23% of assets, up from 21% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q1 2019 buy was Western Midstream Partners: 147,267 shares worth $4.62M.
  • William Blair & Company added most to Fiserv Inc in Q1 2019, an estimated $65.4M increase.
  • William Blair & Company's biggest Q1 2019 reduction was TotalEnergies, cutting an estimated $155M.
  • William Blair & Company fully exited MB Financial Corp in Q1 2019, selling an estimated $7.72M.
  • William Blair & Company's ten largest holdings make up 21% of its $16.4B portfolio in Q1 2019.
  • William Blair & Company opened 129 new positions and closed 65 in Q1 2019.
  • William Blair & Company's portfolio value rose 20% quarter-over-quarter to $16.4B.

Based on William Blair & Company's 13F filing for Q1 2019, filed 14 May 2019.