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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
INSG icon
1351
Inseego
INSG
$86.3M
$141K ﹤0.01%
+2,500
New +$128K
IYZ icon
1352
iShares US Telecommunications ETF
IYZ
$1.25B
$141K ﹤0.01%
4,741
-2,075
-30% -$59.4K
SPY icon
1353
PUT
State Street SPDR S&P 500 ETF Trust
SPY
$818B
$141K ﹤0.01%
500
– –
BSCN
1354
DELISTED
Invesco BulletShares 2023 Corporate Bond ETF
BSCN
$141K ﹤0.01%
6,796
– –
DDM icon
1355
ProShares Ultra Dow30
DDM
$542M
$139K ﹤0.01%
6,000
– –
DBEU icon
1356
Xtrackers MSCI Europe Hedged Equity ETF
DBEU
$782M
$138K ﹤0.01%
4,866
– –
QUAL icon
1357
iShares MSCI USA Quality Factor ETF
QUAL
$47.7B
$138K ﹤0.01%
1,563
+1,448
+1,259% +$122K
UNIT
1358
Uniti Group
UNIT
$2.33B
$138K ﹤0.01%
+12,305
New +$180K
BGC icon
1359
BGC Group
BGC
$4.97B
$137K ﹤0.01%
25,738
+7,620
+42% +$45.3K
LBTYA icon
1360
Liberty Global Class A
LBTYA
$3.68B
$137K ﹤0.01%
+5,510
New +$135K
SMB icon
1361
VanEck Short Muni ETF
SMB
$312M
$136K ﹤0.01%
+7,750
New +$135K
XSLV icon
1362
Invesco S&P SmallCap Low Volatility ETF
XSLV
$247M
$135K ﹤0.01%
2,867
– –
VDE icon
1363
Vanguard Energy ETF
VDE
$9.84B
$133K ﹤0.01%
1,485
+20
+1% +$1.74K
SRC
1364
DELISTED
SPIRIT REALTY CAPITAL, INC.
SRC
$130K ﹤0.01%
3,278
-7,022
-68% -$268K
PGJ icon
1365
Invesco Golden Dragon China ETF
PGJ
$97.9M
$129K ﹤0.01%
3,200
– –
SONO icon
1366
Sonos
SONO
$1.83B
$128K ﹤0.01%
12,400
+500
+4% +$5.42K
SPIB icon
1367
State Street SPDR Portfolio Intermediate Term Corporate Bond ETF
SPIB
$11.5B
$126K ﹤0.01%
3,632
-698
-16% -$23.4K
AGI icon
1368
Alamos Gold
AGI
$13B
$125K ﹤0.01%
24,668
+1,700
+7% +$7.75K
PID icon
1369
Invesco International Dividend Achievers ETF
PID
$917M
$125K ﹤0.01%
7,300
– –
DLS icon
1370
WisdomTree International SmallCap Dividend Fund
DLS
$1.07B
$124K ﹤0.01%
1,891
– –
BSCL
1371
DELISTED
Invesco BulletShares 2021 Corporate Bond ETF
BSCL
$124K ﹤0.01%
5,905
-1,482
-20% -$31K
NETI
1372
DELISTED
Eneti Inc.
NETI
$123K ﹤0.01%
3,443
– –
EWU icon
1373
iShares MSCI United Kingdom ETF
EWU
$4.13B
$121K ﹤0.01%
3,596
– –
MGV icon
1374
Vanguard Morningstar Mega Cap Value ETF
MGV
$13.4B
$121K ﹤0.01%
1,547
– –
ODP
1375
DELISTED
ODP
ODP
$120K ﹤0.01%
3,317
+279
+9% +$8.95K
53 54
55
56 57

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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.