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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
+1.51%
1 Year Est. Return
+18.88%
3 Year Est. Return
+73.84%
5 Year Est. Return
+90.13%
10 Year Est. Return
+512.03%
AUM
$50.6B
AUM Growth
Cap. Flow
+$50.4B
Cap. Flow %
99.68%
Top 10 Hldgs %
8.34%
Holding
1,990
New
1,988
Increased
Reduced
Closed

Top Sells

No sells this quarter

Sector Composition

Rank Sector Weight
1 Industrials 8.67%
2 Technology 6.78%
3 Consumer Discretionary 6.2%
4 Healthcare 5.82%
5 Financials 5.35%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
WPZ
501
DELISTED
Williams Partners L.P.
WPZ
$4.82M 0.01%
+107,286
New +$4.36M
EWG icon
502
iShares MSCI Germany ETF
EWG
$1.6B
$4.81M 0.01%
+194,588
New +$4.97M
UUP icon
503
Invesco DB US Dollar Index Bullish Fund
UUP
$424M
$4.79M 0.01%
+212,457
New +$4.76M
GWR
504
DELISTED
Genesee & Wyoming Inc.
GWR
$4.77M 0.01%
+56,191
New +$4.91M
DUK icon
505
Duke Energy
DUK
$97.4B
$4.75M 0.01%
+70,311
New +$4.97M
AMRC icon
506
Ameresco
AMRC
$1.19B
$4.74M 0.01%
+526,522
New +$4.2M
META icon
507
Meta Platforms (Facebook)
META
$1.5T
$4.71M 0.01%
+189,218
New +$4.85M
VO icon
508
Vanguard Morningstar Mid-Cap ETF
VO
$107B
$4.7M 0.01%
+197,536
New +$4.68M
EPB
509
DELISTED
EL PASO PIPELINE PARTNERS, L.P. COM UNITS REPSTG LTD PART
EPB
$4.63M 0.01%
+106,155
New +$4.52M
MOLXA
510
DELISTED
MOLEX INC CL-A
MOLXA
$4.57M 0.01%
+183,658
New +$4.57M
VUG icon
511
Vanguard Morningstar Growth ETF
VUG
$224B
$4.55M 0.01%
+349,416
New +$4.61M
PRTS icon
512
CarParts.com
PRTS
$44.5M
$4.53M 0.01%
+393,576
New +$4.78M
BIIB icon
513
Biogen
BIIB
$29.9B
$4.38M 0.01%
+20,341
New +$4.35M
UCTT
514
Ultra Clean Holdings
UCTT
$4.02B
$4.32M 0.01%
+714,517
New +$4.29M
HDSN
515
Hudson Technologies
HDSN
$260M
$4.32M 0.01%
+1,354,893
New +$4.95M
GIS icon
516
General Mills
GIS
$19.1B
$4.31M 0.01%
+88,737
New +$4.36M
LLY icon
517
Eli Lilly
LLY
$995B
$4.25M 0.01%
+86,525
New +$4.71M
XLNX
518
DELISTED
Xilinx Inc
XLNX
$4.23M 0.01%
+106,890
New +$4.11M
GSK icon
519
GSK
GSK
$103B
$4.23M 0.01%
+67,723
New +$4.3M
BHC icon
520
Bausch Health
BHC
$2.49B
$4.21M 0.01%
+48,942
New +$3.86M
HAL icon
521
Halliburton
HAL
$26.6B
$4.17M 0.01%
+99,954
New +$4.18M
SMFG icon
522
Sumitomo Mitsui Financial
SMFG
$160B
$4.1M 0.01%
+444,261
New +$3.97M
TGT icon
523
Target
TGT
$67.4B
$4.06M 0.01%
+59,017
New +$4.1M
NKTR icon
524
Nektar Therapeutics
NKTR
$2.35B
$3.99M 0.01%
+23,013
New +$3.53M
HSTM icon
525
HealthStream
HSTM
$830M
$3.94M 0.01%
+155,526
New +$3.75M

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William Blair & Company's Q2 2013 Portfolio in Review

Q2 2013 is the first quarter with a 13F filing on record for William Blair & Company, which disclosed 1,990 positions worth $50.6B. Its ten largest holdings account for 8.3% of the portfolio.

Its largest position is Stericycle Inc: 4,074,645 shares worth $450M.

By sector, the portfolio is most concentrated in Industrials at 8.7% of assets, followed by Technology and Consumer Discretionary.

  • William Blair & Company's largest Q2 2013 buy was Stericycle Inc: 4,074,645 shares worth $450M.
  • William Blair & Company's ten largest holdings make up 8.3% of its $50.6B portfolio in Q2 2013.
  • William Blair & Company disclosed 1,990 positions in Q2 2013, its first 13F filing on record.

Based on William Blair & Company's 13F filing for Q2 2013, filed 7 Aug 2013.