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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
+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
CNO icon
726
CNO Financial Group
CNO
$5.11B
$1.05M 0.01%
49,500
– –
GAIN icon
727
Gladstone Investment Corp
GAIN
$661M
$1.05M 0.01%
91,777
+1,523
+2% +$18K
ACWV icon
728
iShares MSCI Global Min Vol Factor ETF
ACWV
$3.38B
$1.05M 0.01%
11,919
-10
-0.1% -$860
FDN icon
729
First Trust Dow Jones Internet Index Fund ETF
FDN
$5.45B
$1.04M 0.01%
7,342
+3,450
+89% +$489K
STAY
730
DELISTED
Extended Stay America, Inc. Paired Share Unit
STAY
$1.03M 0.01%
51,077
+5,151
+11% +$107K
EPI icon
731
WisdomTree India Earnings Fund ETF
EPI
$2.06B
$1.03M 0.01%
42,757
+1,165
+3% +$30.3K
CY
732
DELISTED
Cypress Semiconductor
CY
$1.03M 0.01%
70,805
-620
-0.9% -$10.2K
WTRG icon
733
Essential Utilities
WTRG
$11.4B
$1.02M 0.01%
27,697
– –
RIG icon
734
Transocean
RIG
$5.82B
$1.02M 0.01%
72,873
+2,630
+4% +$32.7K
APU
735
DELISTED
AmeriGas Partners, L.P.
APU
$1.02M 0.01%
25,739
+972
+4% +$39.8K
GEL icon
736
Genesis Energy
GEL
$1.85B
$1.01M 0.01%
42,582
-6,490
-13% -$153K
VIGI icon
737
Vanguard International Dividend Appreciation ETF
VIGI
$9.3B
$1.01M 0.01%
15,690
+1,585
+11% +$103K
CTLT
738
DELISTED
CATALENT, INC.
CTLT
$1.01M 0.01%
22,166
+6,278
+40% +$265K
SPGI icon
739
S&P Global
SPGI
$120B
$1.01M 0.01%
5,163
-160
-3% -$33K
EQR icon
740
Equity Residential
EQR
$25.1B
$1.01M 0.01%
15,209
+2,201
+17% +$146K
DNB
741
DELISTED
Dun & Bradstreet
DNB
$1.01M 0.01%
7,066
-2,329
-25% -$317K
PPLI
742
People Inc
PPLI
$3.1B
$1M 0.01%
25,907
-1,443
-5% -$46.8K
LOGI icon
743
Logitech
LOGI
$15.2B
$999K 0.01%
22,335
– –
SPCE icon
744
Virgin Galactic
SPCE
$398M
$998K 0.01%
5,037
+3,056
+154% +$609K
MXIM
745
DELISTED
Maxim Integrated Products
MXIM
$996K 0.01%
17,659
+1,529
+9% +$92.2K
EMB icon
746
iShares JPMorgan USD Emerging Markets Bond ETF
EMB
$14.7B
$995K 0.01%
9,230
-906
-9% -$97.3K
SCWX
747
DELISTED
SecureWorks Corp Class A Common Stock
SCWX
$995K 0.01%
67,906
-1,000
-1% -$13.1K
HCCI
748
DELISTED
Heritage-Crystal Clean, Inc.
HCCI
$993K 0.01%
46,521
-1,250
-3% -$27.4K
SUNS
749
DELISTED
SLR Senior Investment Corp. Common Stock
SUNS
$993K 0.01%
59,437
-12,168
-17% -$204K
NUAN
750
DELISTED
Nuance Communications, Inc.
NUAN
$985K 0.01%
65,680
-10,164
-13% -$141K
28 29
30
31 32

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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.