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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
EBIX
1226
DELISTED
Ebix Inc
EBIX
$225K ﹤0.01%
+2,840
New +$206K
FEEU
1227
DELISTED
Barclays ETN+ FI Enhanced Europe 50 ETN
FEEU
$225K ﹤0.01%
1,700
– –
AGYS icon
1228
Agilysys
AGYS
$2.97B
$224K ﹤0.01%
18,272
+3,152
+21% +$38.5K
KIE icon
1229
State Street SPDR S&P Insurance ETF
KIE
$649M
$224K ﹤0.01%
7,285
+187
+3% +$5.74K
TPR icon
1230
Tapestry
TPR
$30.8B
$224K ﹤0.01%
+5,062
New +$209K
PIZ icon
1231
Invesco Dorsey Wright Developed Markets Momentum ETF
PIZ
$724M
$223K ﹤0.01%
+8,075
New +$221K
RJF icon
1232
Raymond James Financial
RJF
$33.8B
$223K ﹤0.01%
+3,740
New +$215K
SIRI icon
1233
SiriusXM
SIRI
$9.98B
$222K ﹤0.01%
4,144
+154
+4% +$8.51K
PRTS icon
1234
CarParts.com
PRTS
$43.7M
$221K ﹤0.01%
8,762
-1,218
-12% -$30.3K
ONC
1235
BeOne Medicines Ltd
ONC
$32.8B
$221K ﹤0.01%
2,265
-100
-4% -$9.15K
KSU
1236
DELISTED
Kansas City Southern
KSU
$221K ﹤0.01%
2,103
+78
+4% +$8.32K
CHL
1237
DELISTED
China Mobile Limited
CHL
$221K ﹤0.01%
+4,377
New +$220K
SPHD icon
1238
Invesco S&P 500 High Dividend Low Volatility ETF
SPHD
$3.34B
$220K ﹤0.01%
5,178
+9
+0.2% +$377
LECO icon
1239
Lincoln Electric
LECO
$14.2B
$219K ﹤0.01%
2,387
-745
-24% -$68.1K
SLP icon
1240
Simulations Plus
SLP
$369M
$219K ﹤0.01%
13,597
– –
CRL icon
1241
Charles River Laboratories
CRL
$11.2B
$218K ﹤0.01%
+1,993
New +$217K
RLI icon
1242
RLI Corp
RLI
$5.62B
$218K ﹤0.01%
7,176
-1,810
-20% -$53.1K
USG
1243
DELISTED
Usg
USG
$218K ﹤0.01%
+5,665
New +$199K
DAKT icon
1244
Daktronics
DAKT
$955M
$217K ﹤0.01%
23,800
– –
RFDI icon
1245
First Trust RiverFront Dynamic Developed International ETF
RFDI
$165M
$216K ﹤0.01%
3,377
– –
ALGT icon
1246
Allegiant Air
ALGT
$2.64B
$215K ﹤0.01%
1,390
-1,070
-43% -$151K
HST icon
1247
Host Hotels & Resorts
HST
$17.2B
$215K ﹤0.01%
10,851
-297
-3% -$5.82K
MSBI icon
1248
Midland States Bancorp
MSBI
$699M
$215K ﹤0.01%
6,629
– –
ALSN icon
1249
Allison Transmission
ALSN
$9.5B
$214K ﹤0.01%
+4,968
New +$202K
VTWG icon
1250
Vanguard Russell 2000 Growth ETF
VTWG
$1.47B
$214K ﹤0.01%
+1,580
New +$209K
48 49
50
51 52

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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.