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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
+563.35%
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
MNST icon
801
Monster Beverage
MNST
$87.9B
$915K ﹤0.01%
28,802
-910
-3% -$26.7K
SWKS icon
802
Skyworks Solutions
SWKS
$10.5B
$910K ﹤0.01%
7,526
+3,420
+83% +$336K
IMGN
803
DELISTED
Immunogen Inc
IMGN
$907K ﹤0.01%
177,656
+3,957
+2% +$13.4K
CHGG icon
804
Chegg
CHGG
$99.9M
$905K ﹤0.01%
23,874
+6,581
+38% +$230K
ETSY icon
805
Etsy
ETSY
$7.84B
$903K ﹤0.01%
20,388
+9,758
+92% +$465K
CTXS
806
DELISTED
Citrix Systems Inc
CTXS
$898K ﹤0.01%
8,100
+402
+5% +$43.3K
CNO icon
807
CNO Financial Group
CNO
$5.11B
$897K ﹤0.01%
49,500
-1,900
-4% -$32.3K
CTRA
808
DELISTED
Coterra Energy
CTRA
$887K ﹤0.01%
+50,955
New +$885K
MELI icon
809
Mercado Libre
MELI
$91.9B
$887K ﹤0.01%
1,550
-30
-2% -$16.6K
SUNS
810
DELISTED
SLR Senior Investment Corp. Common Stock
SUNS
$886K ﹤0.01%
50,364
-500
-1% -$8.84K
RWX icon
811
State Street SPDR Dow Jones International Real Estate ETF
RWX
$269M
$885K ﹤0.01%
22,823
+4,577
+25% +$184K
SPH icon
812
Suburban Propane Partners
SPH
$1.18B
$873K ﹤0.01%
39,941
-1,350
-3% -$31K
AAP icon
813
Advance Auto Parts
AAP
$3.5B
$864K ﹤0.01%
+5,396
New +$865K
STT icon
814
State Street
STT
$51B
$864K ﹤0.01%
10,917
+2,529
+30% +$178K
GGG icon
815
Graco
GGG
$13.5B
$862K ﹤0.01%
16,574
-5,494
-25% -$262K
IYW icon
816
iShares US Technology ETF
IYW
$25.1B
$862K ﹤0.01%
14,824
+1,520
+11% +$82.7K
USIG icon
817
iShares Broad USD Investment Grade Corporate Bond ETF
USIG
$17.3B
$862K ﹤0.01%
14,792
+1,359
+10% +$79K
NCLH icon
818
Norwegian Cruise Line
NCLH
$8.81B
$857K ﹤0.01%
+14,677
New +$775K
EXPD icon
819
Expeditors International
EXPD
$23.4B
$856K ﹤0.01%
10,968
+1,951
+22% +$146K
DOC icon
820
Healthpeak Properties
DOC
$14.7B
$854K ﹤0.01%
24,780
-20,741
-46% -$726K
CURO
821
DELISTED
CURO Group Holdings Corp.
CURO
$852K ﹤0.01%
69,990
-10,059
-13% -$135K
RITM icon
822
Rithm Capital
RITM
$5.73B
$851K ﹤0.01%
52,850
+26,637
+102% +$418K
DRI icon
823
Darden Restaurants
DRI
$24.5B
$847K ﹤0.01%
7,769
+450
+6% +$51.1K
IYF icon
824
iShares US Financials ETF
IYF
$4.61B
$844K ﹤0.01%
12,246
– –
EB
825
DELISTED
Eventbrite
EB
$841K ﹤0.01%
41,685
+8,285
+25% +$158K
31 32
33
34 35

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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.