We are live on ! Find out more
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
SPY icon
1301
PUT
State Street SPDR S&P 500 ETF Trust
SPY
$790B
$133K ﹤0.01%
500
– –
JPM.WS
1302
DELISTED
JPMorgan Chase
JPM.WS
$133K ﹤0.01%
2,000
– –
BOE icon
1303
BlackRock Enhanced Global Dividend Trust
BOE
$673M
$132K ﹤0.01%
10,520
-606
-5% -$8.1K
TACO
1304
DELISTED
Del Taco Restaurants, Inc. Common Stock
TACO
$127K ﹤0.01%
10,500
– –
LGTY
1305
DELISTED
Logility Supply Chain Solutions, Inc. Common Stock
LGTY
$123K ﹤0.01%
10,577
-2,777
-21% -$33.5K
SJT
1306
San Juan Basin Royalty Trust
SJT
$117M
$122K ﹤0.01%
14,800
– –
TCF.WS
1307
DELISTED
TCF Financial Corporation
TCF.WS
$116K ﹤0.01%
30,600
-8,200
-21% -$22.8K
AGEN
1308
Agenus
AGEN
$312M
$109K ﹤0.01%
1,697
-10
-0.6% -$763
ODP
1309
DELISTED
ODP
ODP
$108K ﹤0.01%
3,038
– –
JCP
1310
DELISTED
J.C. Penney Company, Inc.
JCP
$107K ﹤0.01%
34,000
-1,125
-3% -$3.62K
MX icon
1311
Magnachip Semiconductor
MX
$119M
$104K ﹤0.01%
10,500
-1,500
-13% -$16.9K
DVAX
1312
CALL
DELISTED
Dynavax Technologies
DVAX
$101K ﹤0.01%
+5,400
New +$108K
TCS
1313
DELISTED
THE CONTAINER STORE GROUP, INC.
TCS
$101K ﹤0.01%
1,422
-33
-2% -$2.39K
CSLT
1314
DELISTED
CASTLIGHT HEALTH, INC.
CSLT
$98K ﹤0.01%
+26,000
New +$104K
SPWR
1315
DELISTED
SunPower Corporation Common Stock
SPWR
$95K ﹤0.01%
17,122
-16,751
-49% -$86.8K
HIND
1316
Vyome Holdings
HIND
$14.8M
– –
0
– –
PSEC icon
1317
Prospect Capital
PSEC
$1.07B
$88K ﹤0.01%
13,000
– –
HSBC.PRA
1318
DELISTED
HSBC Holdings PLC, Inc. ADS(1/40 shr. 6.2% Non-Cum. Dlr. Pref. Shrs., Ser.A)
HSBC.PRA
$88K ﹤0.01%
3,400
– –
NGD
1319
DELISTED
New Gold Inc
NGD
$85K ﹤0.01%
25,885
– –
ENDP
1320
DELISTED
Endo International plc
ENDP
$84K ﹤0.01%
10,800
– –
YOGA
1321
DELISTED
YogaWorks, Inc. Common Stock
YOGA
$82K ﹤0.01%
28,855
– –
HAPN
1322
Happen Inc
HAPN
$2.21B
$78K ﹤0.01%
3,775
-2,105
-36% -$52.3K
OPK icon
1323
Opko Health
OPK
$985M
$76K ﹤0.01%
15,440
– –
NE
1324
DELISTED
Noble Corporation
NE
$70K ﹤0.01%
15,465
-592
-4% -$2.45K
BAC.WS.A
1325
DELISTED
Bank Of America Corporation Ws A
BAC.WS.A
$70K ﹤0.01%
4,000
-1,200
-23% -$18.6K
51 52
53
54 55

Similar funds

SAM
Storebrand Asset Management Lysaker, Norway $34.8B AUM 25.49% 1-Year Est. Return
Chevy Chase Trust
Chevy Chase Trust Bethesda, Maryland $34.7B AUM 29.45% 1-Year Est. Return
VIA
Vanguard Investments Australia Victoria, Australia $34.6B AUM
Alyeska Investment Group
Alyeska Investment Group Chicago, Illinois $35.4B AUM 33.54% 1-Year Est. Return
Pacer Advisors
Pacer Advisors Malvern, Pennsylvania $35.6B AUM 18.19% 1-Year Est. Return
Kayne Anderson Rudnick Investment Management
Kayne Anderson Rudnick Investment Management Los Angeles, California $34B AUM 6.31% 1-Year Est. Return
Viking Global Investors
Viking Global Investors Stamford, Connecticut $35.7B AUM 21.3% 1-Year Est. Return
MML Investors Services
MML Investors Services Springfield, Massachusetts $36.1B AUM 19.68% 1-Year Est. Return

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.