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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
TER icon
626
Teradyne
TER
$59.3B
$1.29M 0.01%
39,267
+9,572
+32% +$325K
FFIV icon
627
F5
FFIV
$22.7B
$1.26M 0.01%
7,768
-1,348
-15% -$231K
AVGO icon
628
Broadcom
AVGO
$2.04T
$1.25M 0.01%
+49,050
New +$1.16M
SWK icon
629
Stanley Black & Decker
SWK
$15.7B
$1.24M 0.01%
10,378
+3,065
+42% +$383K
MNDT
630
DELISTED
Mandiant, Inc. Common Stock
MNDT
$1.24M 0.01%
76,545
+9,185
+14% +$165K
VKTX icon
631
Viking Therapeutics
VKTX
$4B
$1.24M 0.01%
161,830
+156,330
+2,842% +$1.87M
F icon
632
Ford
F
$55.7B
$1.23M 0.01%
160,752
+10,735
+7% +$95.7K
BSX icon
633
Boston Scientific
BSX
$71.5B
$1.23M 0.01%
34,781
+5,950
+21% +$216K
VFH icon
634
Vanguard Financials ETF
VFH
$13.6B
$1.23M 0.01%
20,694
+6,945
+51% +$451K
DBX icon
635
Dropbox
DBX
$8.12B
$1.23M 0.01%
+60,065
New +$1.38M
SSTI icon
636
SoundThinking
SSTI
$103M
$1.22M 0.01%
+39,150
New +$1.46M
DOC icon
637
Healthpeak Properties
DOC
$14.8B
$1.22M 0.01%
43,505
+2,809
+7% +$77.8K
UAA icon
638
Under Armour
UAA
$2.6B
$1.21M 0.01%
68,704
-8,920
-11% -$183K
DOMO icon
639
Domo
DOMO
$184M
$1.21M 0.01%
61,797
+9,806
+19% +$173K
DTE icon
640
DTE Energy
DTE
$29.1B
$1.21M 0.01%
12,898
+887
+7% +$86.6K
FBIN icon
641
Fortune Brands Innovations
FBIN
$6.06B
$1.21M 0.01%
37,190
-2,495
-6% -$94.3K
CDW icon
642
CDW
CDW
$17B
$1.2M 0.01%
14,856
-1,497
-9% -$129K
CINF icon
643
Cincinnati Financial
CINF
$27.1B
$1.2M 0.01%
15,523
+801
+5% +$62.3K
IJJ icon
644
iShares S&P Mid-Cap 400 Value ETF
IJJ
$8.97B
$1.2M 0.01%
17,370
+24
+0.1% +$1.83K
IEV icon
645
iShares Europe ETF
IEV
$1.7B
$1.19M 0.01%
30,484
-11,520
-27% -$477K
MAT icon
646
Mattel
MAT
$4.3B
$1.19M 0.01%
+119,428
New +$1.58M
PFPT
647
DELISTED
Proofpoint, Inc.
PFPT
$1.19M 0.01%
14,158
+8,602
+155% +$796K
PGX icon
648
Invesco Preferred ETF
PGX
$3.79B
$1.18M 0.01%
+87,874
New +$1.21M
BECN
649
DELISTED
Beacon Roofing Supply, Inc.
BECN
$1.18M 0.01%
37,085
-27,279
-42% -$842K
CMI icon
650
Cummins
CMI
$88.7B
$1.17M 0.01%
8,768
-839
-9% -$118K
24 25
26
27 28

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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.