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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
+10.92%
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
$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

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
TWOU
1676
DELISTED
2U Inc
TWOU
-90
Closed -$225K
NEPT
1677
DELISTED
Neptune Wellness Solutions Inc. Ordinary Shares
NEPT
-7
Closed -$31K
OIL
1678
DELISTED
iPath Pure Beta Crude Oil ETN
OIL
-400
Closed -$9K
SREV
1679
DELISTED
ServiceSource International, Inc.
SREV
-11,000
Closed -$43K
VCRA
1680
DELISTED
VOCERA COMMUNICATIONS, INC.
VCRA
-7,675
Closed -$229K
ADMS
1681
DELISTED
Adamas Pharmaceuticals
ADMS
-12,020
Closed -$310K
PE
1682
CALL
DELISTED
PARSLEY ENERGY INC
PE
-300
Closed -$9K
CBL
1683
DELISTED
CBL& Associates Properties, Inc.
CBL
-116,100
Closed -$647K
HCR
1684
CALL
DELISTED
Hi-Crush Inc. Common Stock
HCR
-2,500
Closed -$30K
KS
1685
DELISTED
KapStone Paper and Pack Corp.
KS
-31,938
Closed -$1.1M
XCRA
1686
DELISTED
Xcerra Corporation
XCRA
-42,000
Closed -$587K
SRCLP
1687
DELISTED
Stericycle, Inc
SRCLP
-23,135
Closed -$1.14M
UCBA
1688
DELISTED
United Community Bancorp
UCBA
-27,525
Closed -$749K
COTV
1689
DELISTED
Cotiviti Holdings, Inc.
COTV
-22,660
Closed -$1M
FNGN
1690
DELISTED
Financial Engines, Inc.
FNGN
-20,705
Closed -$930K
NTG.RT
1691
DELISTED
Tortoise MLP Fund, Inc.
NTG.RT
-101,682
Closed -$38K
AOI
1692
DELISTED
Alliance One International
AOI
-93,300
Closed -$1.48M
WPZ
1693
DELISTED
Williams Partners L.P.
WPZ
-192,069
Closed -$7.8M
ZIONW
1694
DELISTED
Zions Bancorporation N.A. Warrants
ZIONW
-300
Closed -$6K

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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.