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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

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
ADX icon
1601
Adams Diversified Equity Fund
ADX
$3.17B
-25,204
Closed -$420K
AFB
1602
AllianceBernstein National Municipal Income Fund
AFB
$317M
-42,023
Closed -$521K
ALK icon
1603
Alaska Air
ALK
$5.81B
-5,002
Closed -$344K
ALLK
1604
DELISTED
Allakos
ALLK
-7,700
Closed -$346K
ANGL icon
1605
VanEck Fallen Angel High Yield Bond ETF
ANGL
$3.05B
$0 ﹤0.01%
+9
New +$251
APAM icon
1606
Artisan Partners
APAM
$3.04B
-8,748
Closed -$283K
ASB icon
1607
Associated Banc-Corp
ASB
$5.95B
-9,582
Closed -$249K
ASML icon
1608
ASML
ASML
$645B
-1,142
Closed -$215K
ASR icon
1609
Grupo Aeroportuario del Sureste
ASR
$8.19B
-1,379
Closed -$283K
CVSA
1610
Covista Inc
CVSA
$4.42B
-9,024
Closed -$435K
ATMP icon
1611
iPath Select MLP ETN
ATMP
$623M
-1,000
Closed -$21K
AVNS
1612
DELISTED
Avanos Medical
AVNS
-3,804
Closed -$261K
AXTI icon
1613
AXT Inc
AXTI
$4.49B
-13,000
Closed -$93K
AYI icon
1614
CALL
Acuity Brands
AYI
$10.7B
-200
Closed -$31K
BAP icon
1615
Credicorp
BAP
$31.4B
-1,875
Closed -$418K
BBN icon
1616
BlackRock Taxable Municipal Bond Trust
BBN
$980M
-21,075
Closed -$447K
BKE icon
1617
Buckle
BKE
$2.34B
-780,575
Closed -$18M
BTI icon
1618
British American Tobacco
BTI
$128B
-12,524
Closed -$584K
CE icon
1619
Celanese
CE
$4.73B
-2,883
Closed -$329K
CEF icon
1620
Sprott Physical Gold and Silver Trust
CEF
$7.86B
-40,746
Closed -$476K
CGC
1621
Canopy Growth
CGC
$393M
-605
Closed -$294K
CHI
1622
Calamos Convertible Opportunities and Income Fund
CHI
$1.04B
-24,157
Closed -$291K
CHX
1623
DELISTED
ChampionX
CHX
-7,680
Closed -$335K
CIK
1624
Credit Suisse Asset Management Income Fund
CIK
$134M
-10,144
Closed -$32K
CMG icon
1625
CALL
Chipotle Mexican Grill
CMG
$43.7B
-15,000
Closed -$136K

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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.