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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
+9.1%
1 Year Est. Return
+18.88%
3 Year Est. Return
+73.84%
5 Year Est. Return
+90.13%
10 Year Est. Return
+512.03%
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
XMPT icon
1751
VanEck CEF Muni Income ETF
XMPT
$219M
– –
-16
Closed –
XSVM icon
1752
Invesco S&P SmallCap Value with Momentum ETF
XSVM
$680M
$0 ﹤0.01%
7
– –
CNH
1753
CNH Industrial
CNH
$13.5B
– –
-41,709
Closed -$368K
LGF.B
1754
DELISTED
Lions Gate Entertainment Corp. Class B Non-Voting Shares
LGF.B
– –
-9,137
Closed -$80K
LGF.A
1755
DELISTED
Lions Gate Entertainment Corp. Class A Voting Shares
LGF.A
– –
-1,500
Closed -$14K
INFN
1756
DELISTED
Infinera Corporation Common Stock
INFN
– –
-14,354
Closed -$78K
MRO
1757
DELISTED
Marathon Oil Corporation
MRO
– –
-17,326
Closed -$213K
PACW
1758
DELISTED
PacWest Bancorp
PACW
– –
-5,819
Closed -$211K
TWNK
1759
DELISTED
Hostess Brands, Inc. Class A Common Stock
TWNK
– –
-16,768
Closed -$235K
HCCI
1760
DELISTED
Heritage-Crystal Clean, Inc.
HCCI
– –
-10,879
Closed -$288K
TDW.WS.A
1761
DELISTED
Tidewater Inc. Series A Warrants to purchase shares of common stock (expiring July 31, 2023)
TDW.WS.A
$0 ﹤0.01%
43
– –
EVOP
1762
DELISTED
EVO Payments, Inc. Class A Common Stock
EVOP
– –
-8,250
Closed -$232K
FNI
1763
DELISTED
First Trust Chindia ETF
FNI
$0 ﹤0.01%
12
– –
SRRA
1764
DELISTED
Sierra Oncology, Inc. Common Stock
SRRA
– –
-423
Closed -$7K
MIME
1765
DELISTED
Mimecast Limited
MIME
– –
-7,689
Closed -$274K
MGP
1766
DELISTED
MGM Growth Properties LLC Class A common shares representing limited liability company interests
MGP
– –
-12,850
Closed -$386K
BSCL
1767
DELISTED
Invesco BulletShares 2021 Corporate Bond ETF
BSCL
– –
-4,641
Closed -$99K
BSJL
1768
DELISTED
Invesco BulletShares 2021 High Yield Corporate Bond ETF
BSJL
– –
-1,000
Closed -$25K
AMRB
1769
DELISTED
American River Bankshares
AMRB
– –
-14,776
Closed -$200K
HCAP
1770
DELISTED
Harvest Capital Credit Corporation
HCAP
– –
-16,483
Closed -$164K
CLGX
1771
DELISTED
Corelogic, Inc.
CLGX
– –
-6,521
Closed -$302K
VKTXW
1772
DELISTED
Viking Therapeutics, Inc.
VKTXW
– –
-7,200
Closed -$39K
S
1773
DELISTED
Sprint Corporation
S
– –
-11,997
Closed -$74K
AYR
1774
DELISTED
Aircastle Ltd
AYR
– –
-37,601
Closed -$843K
CFRX
1775
DELISTED
ContraFect Corporation
CFRX
– –
-26
Closed -$8K
68 69 70
71
72

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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.