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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
COTY icon
926
Coty
COTY
$2.42B
$559K ﹤0.01%
28,095
-409
-1% -$6.98K
VAR
927
DELISTED
Varian Medical Systems, Inc.
VAR
$558K ﹤0.01%
5,022
JNK icon
928
State Street SPDR Bloomberg High Yield Bond ETF
JNK
$7.07B
$557K ﹤0.01%
5,061
+1,965
+63% +$218K
MIK
929
DELISTED
Michaels Stores, Inc
MIK
$553K ﹤0.01%
22,869
-4,084
-15% -$84.4K
ICSH icon
930
iShares Ultra Short Duration Bond Active ETF
ICSH
$8.07B
$545K ﹤0.01%
+10,888
New +$545K
SAP icon
931
SAP
SAP
$212B
$541K ﹤0.01%
4,819
-400
-8% -$45.2K
TRHC
932
DELISTED
Tabula Rasa HealthCare, Inc. Common Stock
TRHC
$539K ﹤0.01%
+19,200
New +$563K
PWR icon
933
Quanta Services
PWR
$100B
$537K ﹤0.01%
13,740
ALV icon
934
Autoliv
ALV
$9.02B
$536K ﹤0.01%
5,855
EQNR icon
935
Equinor
EQNR
$97.7B
$536K ﹤0.01%
+25,022
New +$510K
SCHG icon
936
Schwab US Large-Cap Growth ETF
SCHG
$59.8B
$536K ﹤0.01%
60,672
+8,800
+17% +$75.6K
VTIP icon
937
Vanguard Short-Term Inflation-Protected Securities Index Fund
VTIP
$19.1B
$535K ﹤0.01%
10,963
-2,515
-19% -$124K
RPV icon
938
Invesco S&P 500 Pure Value ETF
RPV
$1.65B
$534K ﹤0.01%
8,050
+3,900
+94% +$249K
IEX icon
939
IDEX
IEX
$17B
$532K ﹤0.01%
4,035
-200
-5% -$25.7K
LMRK
940
DELISTED
Landmark Infrastructure Partners LP Common Units
LMRK
$532K ﹤0.01%
29,408
-292
-1% -$5.08K
GBDC icon
941
Golub Capital BDC
GBDC
$3.34B
$530K ﹤0.01%
29,758
+56
+0.2% +$1.04K
RNG icon
942
RingCentral
RNG
$4.66B
$530K ﹤0.01%
10,950
-250
-2% -$11.4K
ACWX icon
943
iShares MSCI ACWI ex US ETF
ACWX
$11.5B
$529K ﹤0.01%
10,592
XCRA
944
DELISTED
Xcerra Corporation
XCRA
$529K ﹤0.01%
54,000
COMT icon
945
iShares GSCI Commodity Dynamic Roll Strategy ETF
COMT
$1.18B
$528K ﹤0.01%
14,518
+4,094
+39% +$147K
HGV icon
946
Hilton Grand Vacations
HGV
$3.59B
$528K ﹤0.01%
+12,588
New +$512K
BSCK
947
DELISTED
Invesco BulletShares 2020 Corporate Bond ETF
BSCK
$528K ﹤0.01%
24,800
EXPD icon
948
Expeditors International
EXPD
$22B
$527K ﹤0.01%
8,149
-2,000
-20% -$123K
GDEN
949
DELISTED
Golden Entertainment
GDEN
$527K ﹤0.01%
16,139
-7,885
-33% -$233K
CONE
950
DELISTED
CyrusOne Inc Common Stock
CONE
$527K ﹤0.01%
8,854
+2,660
+43% +$161K

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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.