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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
-13.3%
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
$13.7B
AUM Growth
-$2.6B
Cap. Flow
-$222M
Cap. Flow %
-1.61%
Top 10 Hldgs %
20.6%
Holding
1,859
New
191
Increased
555
Reduced
650
Closed
205

Top Buys

Rank Stock Value
1
LIN icon
Linde
LIN
+$55.6M
2
EFA icon
iShares MSCI EAFE ETF
EFA
+$22.8M
3
ULTA icon
Ulta Beauty
ULTA
+$22.1M
4
INTU icon
Intuit
INTU
+$22M
5
DIS icon
Walt Disney
DIS
+$21.1M

Top Sells

Rank Stock Value
1
PX
Praxair Inc
PX
+$73.7M
2
RHT
Red Hat Inc
RHT
+$46M
3
ESRX
Express Scripts Holding Company
ESRX
+$45.8M
4
META icon
Meta Platforms (Facebook)
META
+$32.9M
5
P
Everpure Inc
P
+$31.5M

Sector Composition

Rank Sector Weight
1 Technology 20.75%
2 Healthcare 18.42%
3 Financials 12.76%
4 Consumer Discretionary 9.45%
5 Industrials 9.06%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
STWD icon
926
Starwood Property Trust
STWD
$5.99B
$465K ﹤0.01%
23,598
+746
+3% +$16.1K
LOXO
927
DELISTED
Loxo Oncology, Inc
LOXO
$461K ﹤0.01%
3,290
+771
+31% +$117K
AXS icon
928
AXIS Capital
AXS
$7.56B
$460K ﹤0.01%
8,899
-674
-7% -$36.8K
LH icon
929
Labcorp
LH
$25.8B
$458K ﹤0.01%
4,218
+2,207
+110% +$296K
VCR icon
930
Vanguard Consumer Discretionary ETF
VCR
$6.34B
$456K ﹤0.01%
3,028
+807
+36% +$131K
FFIC
931
DELISTED
Flushing Financial
FFIC
$454K ﹤0.01%
21,083
– –
KRYS icon
932
Krystal Biotech
KRYS
$9.62B
$453K ﹤0.01%
+21,780
New +$456K
LUV icon
933
Southwest Airlines
LUV
$22.7B
$453K ﹤0.01%
9,740
+1,380
+17% +$73.3K
GNMK
934
DELISTED
GenMark Diagnostics, Inc
GNMK
$453K ﹤0.01%
93,266
– –
ACHC icon
935
Acadia Healthcare
ACHC
$2.89B
$452K ﹤0.01%
17,577
-7,660
-30% -$265K
INFY icon
936
Infosys
INFY
$50.8B
$450K ﹤0.01%
47,293
+14,737
+45% +$141K
OLED icon
937
Universal Display
OLED
$4.16B
$450K ﹤0.01%
4,814
-67
-1% -$6.76K
DELL icon
938
Dell
DELL
$279B
$449K ﹤0.01%
18,132
-22,542
-55% -$617K
MIC
939
DELISTED
Macquarie Infrastructure Holdings, LLC
MIC
$449K ﹤0.01%
12,268
+7,000
+133% +$280K
IPGP icon
940
IPG Photonics
IPGP
$3.84B
$448K ﹤0.01%
3,957
-1,634
-29% -$217K
SONY icon
941
Sony
SONY
$138B
$446K ﹤0.01%
46,190
+11,105
+32% +$118K
AMC icon
942
AMC Entertainment Holdings
AMC
$2.24B
$445K ﹤0.01%
2,863
-900
-24% -$147K
APTX
943
DELISTED
Aptinyx Inc. Common Stock
APTX
$445K ﹤0.01%
26,900
– –
TCF
944
DELISTED
TCF Financial Corporation Common Stock
TCF
$445K ﹤0.01%
12,155
-643
-5% -$29.4K
ACWX icon
945
iShares MSCI ACWI ex US ETF
ACWX
$11.8B
$444K ﹤0.01%
10,581
+5,645
+114% +$249K
WDFC icon
946
WD-40
WDFC
$3.11B
$443K ﹤0.01%
2,415
-45
-2% -$7.62K
MHK icon
947
Mohawk Industries
MHK
$9.27B
$442K ﹤0.01%
3,775
+1,983
+111% +$265K
MGA icon
948
Magna International
MGA
$18.6B
$439K ﹤0.01%
9,650
-4,858
-33% -$235K
PINC
949
DELISTED
Premier
PINC
$439K ﹤0.01%
11,755
-4,846
-29% -$200K
REGN icon
950
Regeneron Pharmaceuticals
REGN
$80B
$439K ﹤0.01%
1,175
+20
+2% +$7.32K
36 37
38
39 40

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William Blair & Company's Q4 2018 Portfolio in Review

As of Q4 2018, William Blair & Company held 1,859 positions worth $13.7B, down 16% from $16.3B the previous quarter. Its ten largest holdings account for 21% of the portfolio.

William Blair & Company's Q4 2018 filing shows 191 new, 555 increased, 650 reduced and 205 closed positions. Its largest new stake was Linde: 352,000 shares worth $54.9M. The largest sale was Praxair Inc, an estimated $73.7M.

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

  • William Blair & Company's largest Q4 2018 buy was Linde: 352,000 shares worth $54.9M.
  • William Blair & Company added most to iShares MSCI EAFE ETF in Q4 2018, an estimated $22.8M increase.
  • William Blair & Company's biggest Q4 2018 reduction was Red Hat Inc, cutting an estimated $46M.
  • William Blair & Company fully exited Praxair Inc in Q4 2018, selling an estimated $73.7M.
  • William Blair & Company's ten largest holdings make up 21% of its $13.7B portfolio in Q4 2018.
  • William Blair & Company opened 191 new positions and closed 205 in Q4 2018.
  • William Blair & Company's portfolio value fell 16% quarter-over-quarter to $13.7B.

Based on William Blair & Company's 13F filing for Q4 2018, filed 14 Feb 2019.