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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
SPTL icon
1701
State Street SPDR Portfolio Long Term Treasury ETF
SPTL
$10.6B
– –
-109
Closed -$8K
STIP icon
1702
iShares 0-5 Year TIPS Bond ETF
STIP
$15.8B
– –
-48
Closed -$5K
TCOM icon
1703
Trip.com Group
TCOM
$29.1B
– –
-134
Closed -$4K
XMPT icon
1704
VanEck CEF Muni Income ETF
XMPT
$221M
$0 ﹤0.01%
+16
New +$405
XSVM icon
1705
Invesco S&P SmallCap Value with Momentum ETF
XSVM
$668M
$0 ﹤0.01%
+7
New +$206
ONC
1706
BeOne Medicines Ltd
ONC
$39.4B
– –
-1,490
Closed -$209K
BECN
1707
DELISTED
Beacon Roofing Supply, Inc.
BECN
– –
-37,085
Closed -$1.18M
TRHC
1708
DELISTED
Tabula Rasa HealthCare, Inc. Common Stock
TRHC
– –
-4,650
Closed -$296K
QUOT
1709
DELISTED
Quotient Technology Inc
QUOT
– –
-75,175
Closed -$803K
TDW.WS.A
1710
DELISTED
Tidewater Inc. Series A Warrants to purchase shares of common stock (expiring July 31, 2023)
TDW.WS.A
$0 ﹤0.01%
43
-800
-95% -$2.12K
TDW.WS.B
1711
DELISTED
Tidewater Inc. Series B Warrants to purchase shares of common stock (expiring July 31, 2023)
TDW.WS.B
$0 ﹤0.01%
46
-925
-95% -$2.06K
CS
1712
DELISTED
Credit Suisse Group
CS
– –
-48,898
Closed -$531K
APTX
1713
DELISTED
Aptinyx Inc. Common Stock
APTX
– –
-26,900
Closed -$445K
SMED
1714
DELISTED
Sharps Compliance Corp
SMED
– –
-10,000
Closed -$35K
NGHC
1715
DELISTED
National General Holdings Corp
NGHC
– –
-8,391
Closed -$203K
IBKC
1716
DELISTED
IBERIABANK Corp
IBKC
– –
-38,172
Closed -$2.45M
DPLO
1717
DELISTED
DIPLOMAT PHARMACY, INC.
DPLO
– –
-50,485
Closed -$1.02M
PES
1718
DELISTED
Pioneer Energy Services Corp.
PES
– –
-10,000
Closed -$29K
TCF
1719
DELISTED
TCF Financial Corporation Common Stock
TCF
– –
-12,155
Closed -$445K
SXCP
1720
DELISTED
SunCoke Energy Partners, L.P.
SXCP
– –
-13,000
Closed -$138K
NCOM
1721
DELISTED
National Commerce Corporation
NCOM
– –
-7,574
Closed -$273K
MBFI
1722
DELISTED
MB Financial Corp
MBFI
– –
-194,707
Closed -$7.72M
NXTM
1723
DELISTED
NxStage Medical Inc.
NXTM
– –
-115,705
Closed -$3.31M
PZI
1724
DELISTED
Invesco Zacks Micro Cap ETF
PZI
– –
-292
Closed -$5K
LOXO
1725
DELISTED
Loxo Oncology, Inc
LOXO
– –
-3,290
Closed -$461K
66 67 68
69
70

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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.