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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
EXC icon
301
Exelon
EXC
$47.2B
$6.65M 0.05%
236,602
-29,753
-11% -$855K
RSP icon
302
Invesco S&P 500 Equal Weight ETF
RSP
$97B
$6.64M 0.05%
65,687
-2,867
-4% -$281K
RDS.A
303
DELISTED
Royal Dutch Shell PLC ADS Class A
RDS.A
$6.61M 0.04%
99,105
+12,717
+15% +$801K
EQIX icon
304
Equinix
EQIX
$101B
$6.57M 0.04%
14,495
+13,243
+1,058% +$6.13M
IRDM icon
305
Iridium Communications
IRDM
$5.02B
$6.48M 0.04%
549,095
-3,550
-0.6% -$41K
XLNX
306
DELISTED
Xilinx Inc
XLNX
$6.45M 0.04%
95,732
+24,053
+34% +$1.71M
CLR
307
DELISTED
CONTINENTAL RESOURCES INC.
CLR
$6.35M 0.04%
119,909
-5,970
-5% -$262K
XRAY icon
308
Dentsply Sirona
XRAY
$2.68B
$6.27M 0.04%
95,289
+3,470
+4% +$221K
XEC
309
DELISTED
CIMAREX ENERGY CO
XEC
$6.27M 0.04%
51,397
+1,579
+3% +$184K
IP icon
310
International Paper
IP
$21.6B
$6.24M 0.04%
113,781
+5,241
+5% +$281K
HEFA icon
311
iShares Currency Hedged MSCI EAFE ETF
HEFA
$7.5B
$6.24M 0.04%
210,124
+22,652
+12% +$672K
KHC icon
312
Kraft Heinz
KHC
$30.7B
$6.2M 0.04%
79,672
-25,531
-24% -$2.01M
FNF icon
313
Fidelity National Financial
FNF
$13.9B
$6.16M 0.04%
163,273
-79,427
-33% -$2.9M
BSV icon
314
Vanguard Short-Term Bond ETF
BSV
$44.7B
$6.15M 0.04%
77,782
+27,667
+55% +$2.2M
TECH icon
315
Bio-Techne
TECH
$11.2B
$6.09M 0.04%
188,112
+7,600
+4% +$241K
IWN icon
316
iShares Russell 2000 Value ETF
IWN
$14.3B
$6.07M 0.04%
48,235
-623
-1% -$77.9K
ROP icon
317
Roper Technologies
ROP
$38.8B
$6.05M 0.04%
23,365
+226
+1% +$58K
TKR icon
318
Timken Company
TKR
$9.56B
$6.02M 0.04%
122,505
-1,780
-1% -$86.2K
KSS icon
319
Kohl's
KSS
$2.17B
$5.95M 0.04%
109,687
-6,197
-5% -$285K
ENV
320
DELISTED
ENVESTNET, INC.
ENV
$5.9M 0.04%
118,420
+5,005
+4% +$259K
SYY icon
321
Sysco
SYY
$40.8B
$5.89M 0.04%
97,047
+1,422
+1% +$80.6K
MET icon
322
MetLife
MET
$61.9B
$5.86M 0.04%
115,942
+17,230
+17% +$908K
IPGP icon
323
IPG Photonics
IPGP
$3.61B
$5.85M 0.04%
27,327
+22,867
+513% +$4.85M
MDY icon
324
State Street SPDR S&P MIDCAP 400 ETF Trust
MDY
$26.6B
$5.85M 0.04%
16,927
+431
+3% +$145K
MON
325
DELISTED
Monsanto Co
MON
$5.79M 0.04%
49,575
+2,554
+5% +$304K
11 12
13
14 15

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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.