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William Blair & Company

William Blair & Company Portfolio holdings

AUM $38.4B
1-Year Est. Return 25.71%
This Fund
S&P 500
This Quarter Est. Return
+6.81%
1 Year Est. Return
+25.71%
3 Year Est. Return
+88.7%
5 Year Est. Return
+104.53%
10 Year Est. Return
+665.86%
AUM
$17.5B
AUM Growth
+$1.09B
Cap. Flow
+$196M
Cap. Flow %
1.12%
Top 10 Hldgs %
22.04%
Holding
1,814
New
115
Increased
670
Reduced
633
Closed
80

Top Buys

Rank Stock Value
1
FISV
Fiserv Inc
FISV
+$41.9M
2
DLB icon
Dolby
DLB
+$23M
3
TDOC icon
Teladoc Health
TDOC
+$20.9M
4
CPRT icon
Copart
CPRT
+$20.8M
5
DXCM icon
DexCom
DXCM
+$16M

Top Sells

Rank Stock Value
1
RHT
Red Hat Inc
RHT
+$144M
2
ULTI
Ultimate Software Group Inc
ULTI
+$103M
3
GILD icon
Gilead Sciences
GILD
+$16.4M
4
BX icon
Blackstone
BX
+$12.4M
5
VEEV icon
Veeva Systems
VEEV
+$10.5M

Sector Composition

Rank Sector Weight
1 Technology 22.57%
2 Healthcare 17.89%
3 Financials 12.54%
4 Consumer Discretionary 10.12%
5 Industrials 9.64%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
BLBD icon
426
Blue Bird Corp
BLBD
$2.04B
$3.85M 0.02%
195,722
-3,661
-2% -$67.1K
ETN icon
427
Eaton
ETN
$180B
$3.84M 0.02%
46,113
-445
-1% -$36K
PHO icon
428
Invesco Water Resources ETF
PHO
$2.06B
$3.83M 0.02%
107,680
+2,342
+2% +$80.3K
APTV icon
429
Aptiv
APTV
$10B
$3.83M 0.02%
47,383
-8,289
-15% -$656K
ARCC icon
430
Ares Capital
ARCC
$14.3B
$3.81M 0.02%
212,391
+2,479
+1% +$43.9K
PCYO icon
431
Pure Cycle
PCYO
$268M
$3.79M 0.02%
357,855
-5,650
-2% -$56.5K
HYG icon
432
iShares iBoxx $ High Yield Corporate Bond ETF
HYG
$17.9B
$3.79M 0.02%
43,458
-4,454
-9% -$384K
COF icon
433
Capital One
COF
$136B
$3.79M 0.02%
41,739
+199
+0.5% +$17.8K
WEC icon
434
WEC Energy
WEC
$35.6B
$3.77M 0.02%
45,189
+4,386
+11% +$352K
PVTL
435
DELISTED
Pivotal Software, Inc.
PVTL
$3.77M 0.02%
356,609
-37,865
-10% -$672K
MGK icon
436
Vanguard Morningstar Mega Cap Growth ETF
MGK
$33.7B
$3.77M 0.02%
145,395
+2,640
+2% +$67.2K
VLO icon
437
Valero Energy
VLO
$94.8B
$3.76M 0.02%
43,927
+1,121
+3% +$92.5K
GIS icon
438
General Mills
GIS
$20.4B
$3.76M 0.02%
71,568
-1,880
-3% -$97.1K
IGSB icon
439
iShares 1-5 Year Investment Grade Corporate Bond ETF
IGSB
$23.3B
$3.74M 0.02%
36,035
+5,921
+20% +$313K
ATR icon
440
AptarGroup
ATR
$8.52B
$3.71M 0.02%
29,879
+1,765
+6% +$201K
VPL icon
441
Vanguard FTSE Pacific ETF
VPL
$8.58B
$3.69M 0.02%
55,850
-4,158
-7% -$272K
CARG icon
442
CarGurus
CARG
$3.26B
$3.68M 0.02%
101,808
-315
-0.3% -$11.8K
AMAT icon
443
Applied Materials
AMAT
$436B
$3.66M 0.02%
81,486
+12,253
+18% +$516K
LHCG
444
DELISTED
LHC Group LLC
LHCG
$3.63M 0.02%
30,335
+5,678
+23% +$640K
HSY icon
445
Hershey
HSY
$37B
$3.6M 0.02%
26,844
+506
+2% +$64.3K
PNC icon
446
PNC Financial Services
PNC
$102B
$3.55M 0.02%
25,831
-1,280
-5% -$169K
TRU icon
447
TransUnion
TRU
$15.2B
$3.54M 0.02%
48,193
-781
-2% -$53.4K
SMFG icon
448
Sumitomo Mitsui Financial
SMFG
$166B
$3.51M 0.02%
497,073
-152,183
-23% -$1.08M
STKL
449
DELISTED
SunOpta
STKL
$3.51M 0.02%
1,066,295
+11,325
+1% +$41.8K
MTD icon
450
Mettler-Toledo International
MTD
$28.7B
$3.49M 0.02%
4,151
+715
+21% +$539K
16 17
18
19 20

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William Blair & Company's Q2 2019 Portfolio in Review

As of Q2 2019, William Blair & Company held 1,814 positions worth $17.5B, up 6.6% from $16.4B the previous quarter. Its ten largest holdings account for 22% of the portfolio.

William Blair & Company's Q2 2019 filing shows 115 new, 670 increased, 633 reduced and 80 closed positions. Its largest new stake was Q2 Holdings: 213,468 shares worth $16.3M. The largest sale was Red Hat Inc, an estimated $144M.

By sector, the portfolio is most concentrated in Technology at 23% of assets, down from 23% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q2 2019 buy was Q2 Holdings: 213,468 shares worth $16.3M.
  • William Blair & Company added most to Fiserv Inc in Q2 2019, an estimated $41.9M increase.
  • William Blair & Company's biggest Q2 2019 reduction was Gilead Sciences, cutting an estimated $16.4M.
  • William Blair & Company fully exited Red Hat Inc in Q2 2019, selling an estimated $144M.
  • William Blair & Company's ten largest holdings make up 22% of its $17.5B portfolio in Q2 2019.
  • William Blair & Company opened 115 new positions and closed 80 in Q2 2019.
  • William Blair & Company's portfolio value rose 6.6% quarter-over-quarter to $17.5B.

Based on William Blair & Company's 13F filing for Q2 2019, filed 13 Aug 2019.