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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
EGRX
476
DELISTED
Eagle Pharmaceuticals, Inc.
EGRX
$3.52M 0.02%
58,570
-2,005
-3% -$120K
MKL icon
477
Markel Group
MKL
$23.2B
$3.51M 0.02%
3,072
+916
+42% +$1.04M
AIG icon
478
American International
AIG
$41.8B
$3.5M 0.02%
68,250
+11,010
+19% +$583K
DOV icon
479
Dover
DOV
$28.4B
$3.47M 0.02%
30,140
+1,462
+5% +$157K
ADM icon
480
Archer Daniels Midland
ADM
$36.9B
$3.44M 0.02%
74,263
-8,745
-11% -$373K
PODD icon
481
Insulet
PODD
$9.79B
$3.44M 0.02%
20,098
+6,843
+52% +$1.14M
AMP icon
482
Ameriprise Financial
AMP
$48.8B
$3.44M 0.02%
20,630
+363
+2% +$56.3K
SRE icon
483
Sempra
SRE
$54.8B
$3.42M 0.02%
45,098
-1,870
-4% -$137K
TMX
484
DELISTED
Terminix Global Holdings, Inc.
TMX
$3.39M 0.02%
87,635
-29,631
-25% -$1.26M
SBNY
485
DELISTED
Signature Bank
SBNY
$3.38M 0.02%
24,712
+1,899
+8% +$238K
EXEL icon
486
Exelixis
EXEL
$13.4B
$3.36M 0.02%
190,847
-139,795
-42% -$2.37M
HUBB icon
487
Hubbell
HUBB
$27.2B
$3.33M 0.02%
22,514
+2,457
+12% +$350K
AMD icon
488
Advanced Micro Devices
AMD
$789B
$3.32M 0.02%
72,398
+27,774
+62% +$1.02M
DLTH icon
489
Duluth Holdings
DLTH
$159M
$3.31M 0.02%
314,818
-29,120
-8% -$271K
PH icon
490
Parker-Hannifin
PH
$135B
$3.31M 0.02%
16,066
+1,193
+8% +$231K
HYMB icon
491
State Street SPDR Nuveen ICE High Yield Municipal Bond ETF
HYMB
$3.19B
$3.3M 0.02%
111,740
-1,164
-1% -$34.4K
VBR icon
492
Vanguard Morningstar Small-Cap Value ETF
VBR
$37.9B
$3.29M 0.02%
24,019
+1,164
+5% +$154K
KRP icon
493
Kimbell Royalty Partners
KRP
$1.48B
$3.29M 0.02%
193,336
+52,894
+38% +$787K
LPSN icon
494
LivePerson
LPSN
$32.3M
$3.29M 0.02%
+5,922
New +$3.4M
VCIT icon
495
Vanguard Intermediate-Term Corporate Bond ETF
VCIT
$66.3B
$3.25M 0.02%
35,632
-4,834
-12% -$441K
MAIN icon
496
Main Street Capital
MAIN
$5.48B
$3.24M 0.02%
75,234
-2,112
-3% -$90.3K
MTD icon
497
Mettler-Toledo International
MTD
$28.6B
$3.24M 0.02%
4,084
-93
-2% -$67.1K
BHC icon
498
Bausch Health
BHC
$2.34B
$3.24M 0.02%
108,175
+37,100
+52% +$964K
ZEN
499
DELISTED
ZENDESK INC
ZEN
$3.21M 0.02%
41,938
+15,500
+59% +$1.14M
PGX icon
500
Invesco Preferred ETF
PGX
$3.79B
$3.21M 0.02%
213,919
+79,405
+59% +$1.19M
18 19
20
21 22

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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.