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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
IBDL
1476
DELISTED
iShares iBonds Dec 2020 Term Corporate ETF
IBDL
$20K ﹤0.01%
+800
New +$20K
IBDM
1477
DELISTED
iShares iBonds Dec 2021 Term Corporate ETF
IBDM
$20K ﹤0.01%
+825
New +$20K
EMGF icon
1478
iShares Emerging Markets Equity Factor ETF
EMGF
$1.86B
$19K ﹤0.01%
485
– –
MOO icon
1479
VanEck Agribusiness ETF
MOO
$972M
$19K ﹤0.01%
330
– –
ON icon
1480
ON Semiconductor
ON
$18.7B
$19K ﹤0.01%
+1,181
New +$20.4K
PBE icon
1481
Invesco Biotechnology & Genome ETF
PBE
$287M
$19K ﹤0.01%
400
– –
SMLV icon
1482
State Street SPDR US Small Cap Low Volatility Index ETF
SMLV
$261M
$19K ﹤0.01%
224
– –
WFT
1483
DELISTED
Weatherford International plc
WFT
$19K ﹤0.01%
33,158
-92,971
-74% -$121K
SLY
1484
DELISTED
SPDR S&P 600 Small Cap ETF (based on S&P SmallCap 600 Index--symbol SML)
SLY
$19K ﹤0.01%
320
– –
FNSR
1485
DELISTED
Finisar Corp
FNSR
$19K ﹤0.01%
+850
New +$16.9K
USFR
1486
DELISTED
WisdomTree Bloomberg Floating Rate Treasury Fund
USFR
$19K ﹤0.01%
+750
New +$19K
CGW icon
1487
Invesco S&P Global Water Index ETF
CGW
$1.08B
$18K ﹤0.01%
+590
New +$19.4K
SCHZ icon
1488
Schwab US Aggregate Bond ETF
SCHZ
$10.5B
$18K ﹤0.01%
+708
New +$17.7K
XRLV
1489
DELISTED
Invesco S&P 500 ex-Rate Sensitive Low Volatility ETF
XRLV
$18K ﹤0.01%
+562
New +$19.2K
RNDM
1490
DELISTED
First Trust Developed International Equity Select ETF
RNDM
$18K ﹤0.01%
400
– –
ERUS
1491
DELISTED
iShares MSCI Russia ETF
ERUS
$18K ﹤0.01%
487
– –
MDIV icon
1492
First Trust Exchange-Traded Fund VI Multi-Asset Diversified Income Index Fund
MDIV
$428M
$17K ﹤0.01%
996
+884
+789% +$15.8K
RZV icon
1493
Invesco S&P SmallCap 600 Pure Value ETF
RZV
$300M
$17K ﹤0.01%
+300
New +$20.2K
SOCL icon
1494
Global X Social Media ETF
SOCL
$92.2M
$17K ﹤0.01%
595
– –
EWW icon
1495
iShares MSCI Mexico ETF
EWW
$1.97B
$16K ﹤0.01%
400
– –
IXP icon
1496
iShares Global Comm Services ETF
IXP
$571M
$16K ﹤0.01%
324
+239
+281% +$12.8K
SDIV icon
1497
Global X SuperDividend ETF
SDIV
$1.2B
$16K ﹤0.01%
305
– –
TDTT icon
1498
FlexShares iBoxx 3-Year Target Duration TIPS Index Fund
TDTT
$2.52B
$16K ﹤0.01%
+667
New +$15.9K
VNM icon
1499
VanEck Vietnam ETF
VNM
$503M
$16K ﹤0.01%
1,083
+700
+183% +$10.8K
BLV icon
1500
Vanguard Long-Term Bond ETF
BLV
$5.73B
$15K ﹤0.01%
171
+86
+101% +$7.33K
58 59
60
61 62

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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.