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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 Buys

Rank Stock Value
1
GOOG icon
Alphabet (Google) Class C
GOOG
+$138M
2
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$63.1M
3
DVAX
Dynavax Technologies
DVAX
+$39.8M
4
VEU icon
Vanguard FTSE All-World ex-US ETF
VEU
+$27.3M
5
VEEV icon
Veeva Systems
VEEV
+$16.3M

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
VMW
876
DELISTED
VMware, Inc
VMW
$652K ﹤0.01%
5,203
-100
-2% -$12K
TWOU
877
DELISTED
2U Inc
TWOU
$651K ﹤0.01%
336
-64
-16% -$120K
DLPH
878
DELISTED
Delphi Technologies PLC Ordinary Shares
DLPH
$651K ﹤0.01%
+12,416
New +$645K
WFT
879
DELISTED
Weatherford International plc
WFT
$650K ﹤0.01%
155,966
-9,220
-6% -$34K
JKHY icon
880
Jack Henry & Associates
JKHY
$10.9B
$649K ﹤0.01%
5,546
-1,262
-19% -$141K
ROST icon
881
Ross Stores
ROST
$80.5B
$648K ﹤0.01%
8,071
-1,227
-13% -$85.8K
STAG icon
882
STAG Industrial
STAG
$7.38B
$648K ﹤0.01%
23,700
+300
+1% +$8.39K
IYW icon
883
iShares US Technology ETF
IYW
$23.6B
$643K ﹤0.01%
15,812
+4,108
+35% +$165K
PPLI
884
People Inc
PPLI
$3.09B
$632K ﹤0.01%
28,917
+84
+0.3% +$1.88K
ESE icon
885
ESCO Technologies
ESE
$8.17B
$626K ﹤0.01%
10,390
-14,560
-58% -$885K
NUS icon
886
Nu Skin
NUS
$252M
$626K ﹤0.01%
9,170
+25
+0.3% +$1.62K
XLRE icon
887
State Street Real Estate Select Sector SPDR ETF
XLRE
$8.55B
$626K ﹤0.01%
19,013
-685
-3% -$22.6K
ONB icon
888
Old National Bancorp
ONB
$10.2B
$623K ﹤0.01%
35,700
– –
HEWG
889
DELISTED
iShares Currency Hedged MSCI Germany ETF
HEWG
$623K ﹤0.01%
21,728
-3,385
-13% -$98.5K
CLB icon
890
Core Laboratories
CLB
$488M
$621K ﹤0.01%
5,669
-1,584
-22% -$158K
BG icon
891
Bunge Global
BG
$20.4B
$620K ﹤0.01%
9,250
-159
-2% -$10.8K
RVTY icon
892
Revvity
RVTY
$12.6B
$619K ﹤0.01%
8,461
– –
FSTX
893
DELISTED
F-star Therapeutics, Inc. Common Stock
FSTX
$619K ﹤0.01%
11,517
+2,298
+25% +$137K
SCG
894
DELISTED
Scana
SCG
$618K ﹤0.01%
15,530
-136
-0.9% -$6.08K
IJT icon
895
iShares S&P Small-Cap 600 Growth ETF
IJT
$8.26B
$614K ﹤0.01%
7,216
+1,252
+21% +$105K
LHCG
896
DELISTED
LHC Group LLC
LHCG
$612K ﹤0.01%
9,990
-8,780
-47% -$580K
VONV icon
897
Vanguard Russell 1000 Value ETF
VONV
$20.7B
$611K ﹤0.01%
+11,258
New +$596K
ICFI icon
898
ICF International
ICFI
$1.46B
$610K ﹤0.01%
11,623
– –
PCY icon
899
Invesco Emerging Markets Sovereign Debt ETF
PCY
$1.38B
$610K ﹤0.01%
20,651
-446
-2% -$13.2K
RPM icon
900
RPM International
RPM
$13.7B
$610K ﹤0.01%
11,628
– –
34 35
36
37 38

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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.