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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
+7.4%
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
$14.7B
AUM Growth
+$1.4B
Cap. Flow
+$534M
Cap. Flow %
3.62%
Top 10 Hldgs %
19%
Holding
1,488
New
131
Increased
528
Reduced
556
Closed
127

Top Sells

Rank Stock Value
1
ZD icon
Ziff Davis
ZD
+$22.1M
2
GE icon
GE Aerospace
GE
+$19.1M
3
EFX icon
Equifax
EFX
+$17.7M
4
NUVA
NuVasive, Inc.
NUVA
+$17.1M
5
WBA
Walgreens Boots Alliance
WBA
+$13.6M

Sector Composition

Rank Sector Weight
1 Healthcare 17.74%
2 Technology 17.58%
3 Financials 14.76%
4 Industrials 10.83%
5 Consumer Discretionary 9.09%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
EPI icon
801
WisdomTree India Earnings Fund ETF
EPI
$2.06B
$813K 0.01%
29,190
+1,489
+5% +$39.7K
GRFS
802
Grifois
GRFS
$5.36B
$813K 0.01%
35,461
-6,127
-15% -$136K
DPLO
803
DELISTED
DIPLOMAT PHARMACY, INC.
DPLO
$810K 0.01%
+40,345
New +$793K
PH icon
804
Parker-Hannifin
PH
$123B
$801K 0.01%
4,011
+67
+2% +$12.5K
AFSI
805
DELISTED
AmTrust Financial Services, Inc.
AFSI
$798K 0.01%
79,199
+4,125
+5% +$46.8K
HBI
806
DELISTED
Hanesbrands
HBI
$797K 0.01%
38,135
+19,461
+104% +$416K
OHI icon
807
Omega Healthcare
OHI
$15.1B
$796K 0.01%
28,907
-291
-1% -$8.4K
DCP
808
DELISTED
DCP Midstream, LP
DCP
$796K 0.01%
21,910
MLCO icon
809
Melco Resorts & Entertainment
MLCO
$2.22B
$790K 0.01%
27,219
+391
+1% +$9.97K
SPGI icon
810
S&P Global
SPGI
$121B
$789K 0.01%
4,661
+226
+5% +$36.9K
IEF icon
811
iShares 7-10 Year Treasury Bond ETF
IEF
$47.1B
$778K 0.01%
7,368
+2,583
+54% +$274K
ANSS
812
DELISTED
Ansys
ANSS
$776K 0.01%
5,260
+1,749
+50% +$248K
URI icon
813
United Rentals
URI
$67.2B
$775K 0.01%
4,507
+205
+5% +$31.2K
WT icon
814
WisdomTree
WT
$2.96B
$771K 0.01%
61,408
-6,470
-10% -$74.3K
HZNP
815
DELISTED
Horizon Therapeutics Public Limited Company Ordinary Shares
HZNP
$771K 0.01%
52,817
+3,402
+7% +$47.8K
DLTH icon
816
Duluth Holdings
DLTH
$155M
$764K 0.01%
42,825
+3,790
+10% +$70.1K
VFH icon
817
Vanguard Financials ETF
VFH
$13.5B
$764K 0.01%
10,913
-60
-0.5% -$4.07K
STI
818
DELISTED
SunTrust Banks, Inc.
STI
$764K 0.01%
+11,831
New +$722K
SR icon
819
Spire
SR
$4.72B
$762K 0.01%
+10,134
New +$786K
PARA
820
DELISTED
Paramount Global Class B
PARA
$760K 0.01%
12,888
+2,349
+22% +$135K
MPWR icon
821
Monolithic Power Systems
MPWR
$70.1B
$757K 0.01%
6,734
-50
-0.7% -$5.8K
MMS icon
822
Maximus
MMS
$3.17B
$753K 0.01%
10,521
+21
+0.2% +$1.41K
TLT icon
823
iShares 20+ Year Treasury Bond ETF
TLT
$42.1B
$753K 0.01%
5,936
-94
-2% -$11.8K
HFBC
824
DELISTED
HopFed Bancorp Inc
HFBC
$752K 0.01%
53,361
LOGI icon
825
Logitech
LOGI
$14.7B
$751K 0.01%
22,335

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William Blair & Company's Q4 2017 Portfolio in Review

As of Q4 2017, William Blair & Company held 1,488 positions worth $14.7B, up 10% from $13.3B the previous quarter. Its ten largest holdings account for 19% of the portfolio.

William Blair & Company deployed $534M of net new capital in Q4 2017, opening 131 new positions and adding to 528 existing holdings. Its largest new stake was Dynavax Technologies: 1,980,526 shares worth $37M.

By sector, the portfolio is most concentrated in Healthcare at 18% of assets, down from 19% a quarter earlier, followed by Technology and Financials.

On the sell side, the largest reduction was Ziff Davis, an estimated $22.1M trimmed.

  • William Blair & Company's largest Q4 2017 buy was Dynavax Technologies: 1,980,526 shares worth $37M.
  • William Blair & Company added most to Alphabet (Google) Class C in Q4 2017, an estimated $138M increase.
  • William Blair & Company's biggest Q4 2017 reduction was Ziff Davis, cutting an estimated $22.1M.
  • William Blair & Company fully exited Bob Evans Farms, Inc. in Q4 2017, selling an estimated $12.5M.
  • William Blair & Company's ten largest holdings make up 19% of its $14.7B portfolio in Q4 2017.
  • William Blair & Company opened 131 new positions and closed 127 in Q4 2017.
  • William Blair & Company's portfolio value rose 10% quarter-over-quarter to $14.7B.

Based on William Blair & Company's 13F filing for Q4 2017, filed 14 Feb 2018.