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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
SNA icon
376
Snap-on
SNA
$21.7B
$5.42M 0.03%
32,010
-1,492
-4% -$243K
HMSY
377
DELISTED
HMS Holdings Corp.
HMSY
$5.37M 0.03%
181,513
+65
+0% +$2K
CNNE icon
378
Cannae Holdings
CNNE
$654M
$5.37M 0.03%
144,273
-1,625
-1% -$53.4K
XLI icon
379
State Street Industrial Select Sector SPDR ETF
XLI
$33.9B
$5.36M 0.03%
65,828
+41,001
+165% +$3.27M
WPC icon
380
W.P. Carey
WPC
$16.4B
$5.33M 0.03%
68,016
-251
-0.4% -$21K
KNSL icon
381
Kinsale Capital Group
KNSL
$8.45B
$5.28M 0.03%
51,919
-1,050
-2% -$104K
XLU icon
382
State Street Utilities Select Sector SPDR ETF
XLU
$22.6B
$5.2M 0.03%
160,920
+5,722
+4% +$182K
ALRM icon
383
Alarm.com
ALRM
$2.8B
$5.19M 0.03%
120,867
-38,530
-24% -$1.74M
COF icon
384
Capital One
COF
$136B
$5.18M 0.03%
50,335
+8,935
+22% +$861K
IP icon
385
International Paper
IP
$22.4B
$5.17M 0.03%
118,572
+3,393
+3% +$142K
DFS
386
DELISTED
Discover Financial Services
DFS
$5.13M 0.03%
60,468
-1,609
-3% -$133K
SMFG icon
387
Sumitomo Mitsui Financial
SMFG
$161B
$5.1M 0.03%
688,140
+206,656
+43% +$1.49M
CACC icon
388
Credit Acceptance
CACC
$6.2B
$5.07M 0.03%
11,462
+46
+0.4% +$20.3K
PLMR icon
389
Palomar
PLMR
$3.55B
$5.07M 0.03%
100,425
+14,998
+18% +$703K
VSAT icon
390
Viasat
VSAT
$11.2B
$5.05M 0.03%
68,956
-301
-0.4% -$21.5K
TSM icon
391
TSMC
TSM
$2.15T
$5M 0.03%
86,028
+21,527
+33% +$1.14M
GDX icon
392
VanEck Gold Miners ETF
GDX
$25.5B
$5M 0.03%
170,610
-3,493
-2% -$95.5K
ENB icon
393
Enbridge
ENB
$113B
$4.99M 0.03%
125,420
+6,228
+5% +$233K
NOVT icon
394
Novanta
NOVT
$5.45B
$4.99M 0.03%
56,369
+1,546
+3% +$133K
XLV icon
395
State Street Health Care Select Sector SPDR ETF
XLV
$42.3B
$4.98M 0.03%
48,911
+1,533
+3% +$147K
BSV icon
396
Vanguard Short-Term Bond ETF
BSV
$44.6B
$4.93M 0.03%
61,203
+1,445
+2% +$117K
TRU icon
397
TransUnion
TRU
$15.3B
$4.91M 0.03%
57,326
+9,726
+20% +$810K
MRSH
398
Marsh
MRSH
$91.4B
$4.86M 0.03%
43,642
+19,625
+82% +$2.05M
USFR
399
DELISTED
WisdomTree Bloomberg Floating Rate Treasury Fund
USFR
$4.86M 0.03%
193,865
-57,975
-23% -$1.45M
TBF icon
400
ProShares Short 20+ Year Treasury ETF
TBF
$104M
$4.83M 0.02%
246,045
+4,715
+2% +$90.6K
14 15
16
17 18

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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.