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
+10.92%
1 Year Est. Return
+18.88%
3 Year Est. Return
+73.84%
5 Year Est. Return
+90.13%
10 Year Est. Return
+563.35%
AUM
$16.3B
AUM Growth
+$1.62B
Cap. Flow
+$161M
Cap. Flow %
0.98%
Top 10 Hldgs %
21.12%
Holding
1,696
New
110
Increased
623
Reduced
570
Closed
77

Top Buys

Rank Stock Value
1
DLB icon
Dolby
DLB
+$37M
2
DSI icon
iShares MSCI KLD 400 Social ETF
DSI
+$20M
3
PGR icon
Progressive
PGR
+$19.6M
4
KMX icon
CarMax
KMX
+$19.2M
5
TYL icon
Tyler Technologies
TYL
+$18.5M

Top Sells

Rank Stock Value
1
SBUX icon
Starbucks
SBUX
+$35.1M
2
META icon
Meta Platforms (Facebook)
META
+$18.3M
3
INGN icon
Inogen
INGN
+$14.6M
4
MKTX icon
MarketAxess Holdings
MKTX
+$13M
5
PF
Pinnacle Foods, Inc.
PF
+$12.6M

Sector Composition

Rank Sector Weight
1 Technology 21.34%
2 Healthcare 18.9%
3 Financials 12.91%
4 Industrials 9.71%
5 Consumer Discretionary 9.37%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
IFGL icon
1551
iShares International Developed Real Estate ETF
IFGL
$83.1M
$14K ﹤0.01%
500
– –
ARKK icon
1552
ARK Innovation ETF
ARKK
$6.05B
$13K ﹤0.01%
+282
New +$13.3K
DEW icon
1553
WisdomTree Global High Dividend Fund
DEW
$155M
$13K ﹤0.01%
278
– –
PPH icon
1554
VanEck Pharmaceutical ETF
PPH
$927M
$13K ﹤0.01%
195
– –
SBIO icon
1555
ALPS Medical Breakthroughs ETF
SBIO
$210M
$13K ﹤0.01%
325
– –
EFNL icon
1556
iShares MSCI Finland ETF
EFNL
$247M
$12K ﹤0.01%
290
– –
IWY icon
1557
iShares Russell Top 200 Growth ETF
IWY
$16.6B
$12K ﹤0.01%
144
+15
+12% +$1.24K
KXI icon
1558
iShares Global Consumer Staples ETF
KXI
$1.07B
$12K ﹤0.01%
232
– –
TACOW
1559
DELISTED
Del Taco Restaurants, Inc. Warrants
TACOW
$12K ﹤0.01%
5,000
– –
GM.WS.B
1560
DELISTED
General Motors Company
GM.WS.B
$12K ﹤0.01%
709
– –
NORW
1561
DELISTED
Global X MSCI Norway ETF
NORW
$12K ﹤0.01%
767
– –
EEMA icon
1562
iShares MSCI Emerging Markets Asia ETF
EEMA
$856M
$11K ﹤0.01%
162
– –
SPYG icon
1563
State Street SPDR Portfolio S&P 500 Growth ETF
SPYG
$54.1B
$11K ﹤0.01%
288
+125
+77% +$4.64K
NEE.PRR
1564
DELISTED
NextEra Energy, Inc.
NEE.PRR
$11K ﹤0.01%
200
– –
EDEN icon
1565
iShares MSCI Denmark ETF
EDEN
$201M
$10K ﹤0.01%
150
– –
FBT icon
1566
First Trust NYSE Arca Biotechnology Index Fund
FBT
$2.75B
$10K ﹤0.01%
65
+15
+30% +$2.27K
IYG icon
1567
iShares US Financial Services ETF
IYG
$2.22B
$10K ﹤0.01%
222
– –
QCLN icon
1568
First Trust NASDAQ Clean Edge Green Energy Index Fund
QCLN
$616M
$10K ﹤0.01%
525
– –
SPEU icon
1569
State Street SPDR Portfolio Europe ETF
SPEU
$740M
$10K ﹤0.01%
285
– –
AIG.WS
1570
DELISTED
American International Group, Inc.
AIG.WS
$10K ﹤0.01%
654
-2
-0.3% -$30
CYB
1571
DELISTED
WisdomTree Chinese Yuan Strategy Fund
CYB
$10K ﹤0.01%
400
-10
-2% -$255
CNYA icon
1572
iShares MSCI China A ETF
CNYA
$204M
$9K ﹤0.01%
+350
New +$9.18K
ERTH icon
1573
Invesco MSCI Sustainable Future ETF
ERTH
$136M
$9K ﹤0.01%
+214
New +$9.27K
IHF icon
1574
iShares US Healthcare Providers ETF
IHF
$1.26B
$9K ﹤0.01%
230
– –
PSK icon
1575
State Street SPDR ICE Preferred Securities ETF
PSK
$686M
$9K ﹤0.01%
200
– –
61 62
63
64 65

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 Q3 2018 Portfolio in Review

As of Q3 2018, William Blair & Company held 1,696 positions worth $16.3B, up 11% from $14.7B the previous quarter. Its ten largest holdings account for 21% of the portfolio.

William Blair & Company's Q3 2018 filing shows 110 new, 623 increased, 570 reduced and 77 closed positions. Its largest new stake was Marvell Technology: 234,218 shares worth $4.52M. The largest sale was Starbucks, an estimated $35.1M.

By sector, the portfolio is most concentrated in Technology at 21% of assets, up from 20% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q3 2018 buy was Marvell Technology: 234,218 shares worth $4.52M.
  • William Blair & Company added most to Dolby in Q3 2018, an estimated $37M increase.
  • William Blair & Company's biggest Q3 2018 reduction was Starbucks, cutting an estimated $35.1M.
  • William Blair & Company fully exited Williams Partners L.P. in Q3 2018, selling an estimated $7.8M.
  • William Blair & Company's ten largest holdings make up 21% of its $16.3B portfolio in Q3 2018.
  • William Blair & Company opened 110 new positions and closed 77 in Q3 2018.
  • William Blair & Company's portfolio value rose 11% quarter-over-quarter to $16.3B.

Based on William Blair & Company's 13F filing for Q3 2018, filed 13 Nov 2018.