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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
PSK icon
1601
State Street SPDR ICE Preferred Securities ETF
PSK
$683M
$9K ﹤0.01%
200
– –
SPEU icon
1602
State Street SPDR Portfolio Europe ETF
SPEU
$739M
$9K ﹤0.01%
285
– –
TNA icon
1603
Direxion Daily Small Cap Bull 3x ETF
TNA
$1.41B
$9K ﹤0.01%
150
– –
FFEU
1604
DELISTED
Barclays ETN+ FI Enhanced Europe 50 ETN Series C
FFEU
$9K ﹤0.01%
95
– –
SEA
1605
DELISTED
Invesco Shipping ETF
SEA
$9K ﹤0.01%
1,000
– –
ATNM icon
1606
Actinium Pharmaceuticals
ATNM
$24.7M
$8K ﹤0.01%
+567
New +$9.05K
FBT icon
1607
First Trust NYSE Arca Biotechnology Index Fund
FBT
$2.74B
$8K ﹤0.01%
50
– –
FXR icon
1608
First Trust Industrials/Producer Durables AlphaDEX Fund
FXR
$760M
$8K ﹤0.01%
200
– –
IHF icon
1609
iShares US Healthcare Providers ETF
IHF
$1.25B
$8K ﹤0.01%
240
+10
+4% +$348
KXI icon
1610
iShares Global Consumer Staples ETF
KXI
$1.07B
$8K ﹤0.01%
162
– –
PSI icon
1611
Invesco Semiconductors ETF
PSI
$2.43B
$8K ﹤0.01%
438
– –
TACOW
1612
DELISTED
Del Taco Restaurants, Inc. Warrants
TACOW
$8K ﹤0.01%
7,500
– –
USLB
1613
DELISTED
Invesco Russell 1000 Low Beta Equal Weight ETF
USLB
$8K ﹤0.01%
250
– –
ANGL icon
1614
VanEck Fallen Angel High Yield Bond ETF
ANGL
$3.05B
$7K ﹤0.01%
236
+227
+2,522% +$6.41K
CHIQ icon
1615
Global X MSCI China Consumer Discretionary ETF
CHIQ
$127M
$7K ﹤0.01%
+396
New +$5.99K
EWM icon
1616
iShares MSCI Malaysia ETF
EWM
$325M
$7K ﹤0.01%
250
– –
FXP icon
1617
ProShares UltraShort FTSE China 50 of ProShares Trust
FXP
$5.82M
$7K ﹤0.01%
63
– –
SCHD icon
1618
Schwab US Dividend Equity ETF
SCHD
$105B
$7K ﹤0.01%
402
+372
+1,240% +$6.25K
SPXL icon
1619
Direxion Daily S&P 500 Bull 3x ETF
SPXL
$7.29B
$7K ﹤0.01%
150
– –
VXX icon
1620
iPath Series B S&P 500 VIX Short-Term Futures ETN
VXX
$146M
$7K ﹤0.01%
+3
New +$6.62K
BSJJ
1621
DELISTED
Invesco BulletShares 2019 High Yield Corporate Bond ETF
BSJJ
$7K ﹤0.01%
275
-1,123
-80% -$26.9K
SPYG icon
1622
State Street SPDR Portfolio S&P 500 Growth ETF
SPYG
$54.1B
$6K ﹤0.01%
163
– –
TGB
1623
Trekor Metals
TGB
$3.01B
$6K ﹤0.01%
10,000
– –
FM
1624
DELISTED
iShares Frontier and Select EM ETF
FM
$6K ﹤0.01%
200
-207
-51% -$5.84K
GCVRZ
1625
DELISTED
Sanofi Contingent Value Rights
GCVRZ
$6K ﹤0.01%
14,382
+350
+2% +$163
63 64
65
66 67

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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.