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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
ILF icon
526
iShares Latin America 40 ETF
ILF
$3.85B
$2.42M 0.02%
+70,740
New +$2.4M
G icon
527
Genpact
G
$5.96B
$2.41M 0.02%
75,897
-7,121
-9% -$221K
DLN icon
528
WisdomTree US LargeCap Dividend Fund
DLN
$6.26B
$2.4M 0.02%
52,168
-9,144
-15% -$410K
MULE
529
DELISTED
MuleSoft, Inc.
MULE
$2.39M 0.02%
102,910
-5,425
-5% -$123K
PMD
530
DELISTED
Psychemedics Corporation
PMD
$2.39M 0.02%
116,390
-11,072
-9% -$205K
CTSH icon
531
Cognizant
CTSH
$24.9B
$2.37M 0.02%
33,360
+170
+0.5% +$12.4K
CCI icon
532
Crown Castle
CCI
$33.3B
$2.37M 0.02%
+21,325
New +$2.3M
MPC icon
533
Marathon Petroleum
MPC
$92.4B
$2.35M 0.02%
35,657
+89
+0.3% +$5.45K
PHYS icon
534
Sprott Physical Gold
PHYS
$14.6B
$2.35M 0.02%
222,149
– –
TFC icon
535
Truist Financial
TFC
$63.3B
$2.33M 0.02%
46,816
-25,503
-35% -$1.23M
GKOS icon
536
Glaukos
GKOS
$9.83B
$2.32M 0.02%
90,541
-26,643
-23% -$793K
PFNX
537
DELISTED
Pfenex Inc.
PFNX
$2.26M 0.02%
851,248
+125,400
+17% +$347K
CP icon
538
Canadian Pacific Kansas City
CP
$78.1B
$2.26M 0.02%
61,905
-13,990
-18% -$487K
DFS
539
DELISTED
Discover Financial Services
DFS
$2.26M 0.02%
29,328
+2,858
+11% +$197K
VBR icon
540
Vanguard Morningstar Small-Cap Value ETF
VBR
$37.1B
$2.25M 0.02%
16,922
+2,218
+15% +$289K
BIV icon
541
Vanguard Intermediate-Term Bond ETF
BIV
$28.8B
$2.24M 0.02%
26,716
-2,114
-7% -$178K
NUVA
542
DELISTED
NuVasive, Inc.
NUVA
$2.24M 0.02%
38,296
-301,469
-89% -$17.1M
IUSG icon
543
iShares Core S&P US Growth ETF
IUSG
$31.7B
$2.23M 0.02%
41,567
+3,092
+8% +$163K
CGNX icon
544
Cognex
CGNX
$10.9B
$2.23M 0.02%
36,531
+1,193
+3% +$76K
CMI icon
545
Cummins
CMI
$87.5B
$2.19M 0.01%
12,424
+7,885
+174% +$1.35M
CASH icon
546
Pathward Financial
CASH
$1.86B
$2.17M 0.01%
70,134
-25,560
-27% -$741K
RGEN icon
547
Repligen
RGEN
$7.96B
$2.15M 0.01%
59,353
-34,888
-37% -$1.26M
MINT icon
548
PIMCO Enhanced Short Maturity Active Exchange-Traded Fund
MINT
$16.9B
$2.15M 0.01%
21,176
-1,784
-8% -$181K
SRC
549
DELISTED
SPIRIT REALTY CAPITAL, INC.
SRC
$2.14M 0.01%
55,683
+1,672
+3% +$63.5K
HSBC icon
550
HSBC
HSBC
$365B
$2.14M 0.01%
45,279
+5,506
+14% +$249K
20 21
22
23 24

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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.