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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
JWN
226
DELISTED
Nordstrom
JWN
$12.2M 0.08%
257,604
-12,452
-5% -$536K
ATR icon
227
AptarGroup
ATR
$8.55B
$12.2M 0.08%
141,300
+119,492
+548% +$10.4M
IWD icon
228
iShares Russell 1000 Value ETF
IWD
$82.2B
$12.2M 0.08%
97,938
+2,979
+3% +$361K
FLRN icon
229
State Street SPDR Bloomberg Investment Grade Floating Rate ETF
FLRN
$3.08B
$12.2M 0.08%
396,805
+332,605
+518% +$10.2M
FIS icon
230
Fidelity National Information Services
FIS
$23.1B
$12.2M 0.08%
129,171
+7,650
+6% +$719K
TSCO icon
231
Tractor Supply
TSCO
$16.1B
$12.1M 0.08%
812,040
+16,130
+2% +$207K
PLAY icon
232
Dave & Buster's
PLAY
$377M
$12M 0.08%
+217,944
New +$11.1M
ORCL icon
233
Oracle
ORCL
$374B
$11.8M 0.08%
249,630
-76,912
-24% -$3.77M
RAMP icon
234
LiveRamp
RAMP
$2.3B
$11.7M 0.08%
424,613
-18,039
-4% -$474K
COTV
235
DELISTED
Cotiviti Holdings, Inc.
COTV
$11.7M 0.08%
+362,929
New +$12M
XLF icon
236
State Street Financial Select Sector SPDR ETF
XLF
$56.7B
$11.6M 0.08%
417,159
+97,205
+30% +$2.62M
PLNT icon
237
Planet Fitness
PLNT
$4.42B
$11.5M 0.08%
331,949
+172,418
+108% +$5.1M
MCHP icon
238
Microchip Technology
MCHP
$40.3B
$11.4M 0.08%
259,260
+4,432
+2% +$200K
MXL icon
239
MaxLinear
MXL
$6.06B
$11.3M 0.08%
425,896
-48,159
-10% -$1.2M
XLV icon
240
State Street Health Care Select Sector SPDR ETF
XLV
$41.9B
$11.2M 0.08%
136,011
+3,289
+2% +$271K
UN
241
DELISTED
Unilever NV New York Registry Shares
UN
$10.7M 0.07%
189,557
+4,849
+3% +$279K
NVO
242
Novo Nordisk
NVO
$208B
$10.7M 0.07%
397,686
+32,936
+9% +$838K
ITA icon
243
iShares US Aerospace & Defense ETF
ITA
$14.2B
$10.5M 0.07%
112,138
-4,638
-4% -$424K
IRT icon
244
Independence Realty Trust
IRT
$3.92B
$10.4M 0.07%
1,026,496
-38,711
-4% -$399K
TEL icon
245
TE Connectivity
TEL
$59.6B
$10.4M 0.07%
108,917
-5,607
-5% -$516K
CAVM
246
DELISTED
Cavium, Inc.
CAVM
$10.3M 0.07%
123,453
-8,965
-7% -$694K
VTI icon
247
Vanguard Morningstar Total Stock Market ETF
VTI
$660B
$10.3M 0.07%
75,211
+957
+1% +$128K
PANW icon
248
Palo Alto Networks
PANW
$270B
$10.1M 0.07%
416,904
+13,818
+3% +$336K
ULTA icon
249
Ulta Beauty
ULTA
$22B
$10M 0.07%
44,755
+17,346
+63% +$3.67M
CNI icon
250
Canadian National Railway
CNI
$76.9B
$9.77M 0.07%
118,423
+93,196
+369% +$7.51M
8 9
10
11 12

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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.