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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
PBH icon
601
Prestige Consumer Healthcare
PBH
$2.58B
$2.03M 0.01%
50,134
-4,400
-8% -$164K
CIVB icon
602
Civista Bancshares
CIVB
$596M
$2.02M 0.01%
84,080
– –
FLG
603
Flagstar Bank National Association
FLG
$5.9B
$2.01M 0.01%
55,656
-7,155
-11% -$264K
BUD icon
604
AB InBev
BUD
$165B
$2M 0.01%
24,439
+2,496
+11% +$208K
LII icon
605
Lennox International
LII
$15.1B
$1.98M 0.01%
8,118
-30
-0.4% -$7.44K
RCKT icon
606
Rocket Pharmaceuticals
RCKT
$387M
$1.98M 0.01%
+86,957
New +$1.45M
CDLX icon
607
Cardlytics
CDLX
$20.4M
$1.98M 0.01%
3,142
+762
+32% +$373K
WPM icon
608
Wheaton Precious Metals
WPM
$56.9B
$1.95M 0.01%
65,466
-1,500
-2% -$41K
TLT icon
609
iShares 20+ Year Treasury Bond ETF
TLT
$41.6B
$1.92M 0.01%
14,176
-5,694
-29% -$793K
AFL icon
610
Aflac
AFL
$64.5B
$1.92M 0.01%
36,291
-295
-0.8% -$15.7K
DAL icon
611
Delta Air Lines
DAL
$60.5B
$1.9M 0.01%
32,440
+4,339
+15% +$243K
ADSK icon
612
Autodesk
ADSK
$51.2B
$1.89M 0.01%
10,300
+82
+0.8% +$13.3K
LHX icon
613
L3Harris
LHX
$53.9B
$1.89M 0.01%
9,549
-6
-0.1% -$1.2K
SCHP icon
614
Schwab US TIPS ETF
SCHP
$16.3B
$1.88M 0.01%
66,238
+4,388
+7% +$124K
FBIN icon
615
Fortune Brands Innovations
FBIN
$6.01B
$1.86M 0.01%
33,322
-2,018
-6% -$106K
RYN icon
616
Rayonier
RYN
$6.45B
$1.86M 0.01%
62,565
-4,178
-6% -$114K
K
617
DELISTED
Kellanova
K
$1.86M 0.01%
28,624
+688
+2% +$41.7K
HST icon
618
Host Hotels & Resorts
HST
$16B
$1.85M 0.01%
99,992
+77,792
+350% +$1.35M
KRE icon
619
State Street SPDR S&P Regional Banking ETF
KRE
$4.65B
$1.84M 0.01%
31,597
-1,324
-4% -$73.4K
AXSM icon
620
Axsome Therapeutics
AXSM
$10.8B
$1.83M 0.01%
+17,732
New +$716K
EFOR
621
Everforth Inc
EFOR
$1.29B
$1.81M 0.01%
25,570
-299
-1% -$19.5K
CYBR
622
DELISTED
CyberArk
CYBR
$1.81M 0.01%
15,566
+4,245
+37% +$476K
STKL
623
DELISTED
SunOpta
STKL
$1.81M 0.01%
724,744
-383,716
-35% -$854K
VIRT icon
624
Virtu Financial
VIRT
$4.91B
$1.81M 0.01%
113,182
+2,333
+2% +$38.5K
INGR icon
625
Ingredion
INGR
$6.49B
$1.81M 0.01%
19,428
-13,718
-41% -$1.15M
23 24
25
26 27

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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.