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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
+5.14%
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
$14.1B
AUM Growth
-$591M
Cap. Flow
-$1.14B
Cap. Flow %
-8.06%
Top 10 Hldgs %
20.02%
Holding
1,654
New
292
Increased
437
Reduced
658
Closed
147

Top Buys

Rank Stock Value
1
P
Everpure Inc
P
+$31.8M
2
BABA icon
Alibaba
BABA
+$24.9M
3
TYL icon
Tyler Technologies
TYL
+$24.4M
4
NTNX icon
Nutanix
NTNX
+$15.6M
5
UNH icon
UnitedHealth
UNH
+$15.2M

Top Sells

Rank Stock Value
1
META icon
Meta Platforms (Facebook)
META
+$70.7M
2
AMZN icon
Amazon
AMZN
+$47.1M
3
AAPL icon
Apple
AAPL
+$43.1M
4
EXEL icon
Exelixis
EXEL
+$33M
5
V icon
Visa
V
+$31.2M

Sector Composition

Rank Sector Weight
1 Technology 18.97%
2 Healthcare 17.83%
3 Financials 14.24%
4 Industrials 10.29%
5 Consumer Discretionary 9.36%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
SLP icon
1576
Simulations Plus
SLP
$371M
– –
-13,597
Closed -$219K
SON icon
1577
Sonoco
SON
$5.64B
– –
-5,671
Closed -$301K
SONY icon
1578
Sony
SONY
$136B
– –
-28,570
Closed -$257K
SSYS icon
1579
Stratasys
SSYS
$760M
– –
-46,411
Closed -$926K
SUB icon
1580
iShares Short-Term National Muni Bond ETF
SUB
$11.4B
– –
-15,000
Closed -$1.57M
SUI icon
1581
Sun Communities
SUI
$14.7B
– –
-12,555
Closed -$1.17M
SUPN icon
1582
Supernus Pharmaceuticals
SUPN
$2.72B
– –
-11,171
Closed -$445K
TAN icon
1583
Invesco Solar ETF
TAN
$1.45B
– –
-38,200
Closed -$960K
THR
1584
DELISTED
Thermon Group Holdings
THR
– –
-8,550
Closed -$202K
TISI icon
1585
Team
TISI
$77.8M
– –
-1,706
Closed -$254K
TKR icon
1586
Timken Company
TKR
$8.92B
– –
-122,505
Closed -$6.02M
TM icon
1587
Toyota
TM
$222B
– –
-1,889
Closed -$240K
TTWO icon
1588
Take-Two Interactive
TTWO
$43.5B
– –
-2,350
Closed -$258K
TWO
1589
Two Harbors Investment
TWO
$1.26B
– –
-27,956
Closed -$1.82M
USPH icon
1590
US Physical Therapy
USPH
$1.16B
– –
-4,655
Closed -$336K
VMI icon
1591
Valmont Industries
VMI
$9.5B
– –
-1,846
Closed -$306K
VRNS icon
1592
Varonis Systems
VRNS
$4.87B
– –
-35,430
Closed -$573K
WES icon
1593
Western Midstream Partners
WES
$19.4B
– –
-6,590
Closed -$245K
WGO icon
1594
Winnebago Industries
WGO
$885M
– –
-3,619
Closed -$201K
WHR icon
1595
Whirlpool
WHR
$2.8B
– –
-2,645
Closed -$446K
WNS
1596
DELISTED
WNS Holdings
WNS
– –
-8,938
Closed -$359K
RPT
1597
Rithm Property Trust
RPT
$94.2M
– –
-1,930
Closed -$155K
QVCGA
1598
DELISTED
QVC Group Inc Series A
QVCGA
– –
-201
Closed -$238K
PDCO
1599
DELISTED
Patterson Companies, Inc.
PDCO
– –
-7,591
Closed -$274K
SRCL
1600
CALL
DELISTED
Stericycle Inc
SRCL
– –
-700
Closed -$48K
62 63
64
65 66

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William Blair & Company's Q1 2018 Portfolio in Review

As of Q1 2018, William Blair & Company held 1,654 positions worth $14.1B, down 4% from $14.7B the previous quarter. Its ten largest holdings account for 20% of the portfolio.

William Blair & Company withdrew a net $1.14B in Q1 2018, closing 147 positions and reducing 658 holdings. Its most notable exit was Invesco S&P 500 Equal Weight ETF, an estimated $6.64M position sold in full.

By sector, the portfolio is most concentrated in Technology at 19% of assets, up from 18% a quarter earlier, followed by Healthcare and Financials.

Against the trend, William Blair & Company opened a new position in Worldpay, Inc. worth $6.54M.

  • William Blair & Company's largest Q1 2018 buy was Worldpay, Inc.: 79,468 shares worth $6.54M.
  • William Blair & Company added most to Everpure Inc in Q1 2018, an estimated $31.8M increase.
  • William Blair & Company's biggest Q1 2018 reduction was Meta Platforms (Facebook), cutting an estimated $70.7M.
  • William Blair & Company fully exited Invesco S&P 500 Equal Weight ETF in Q1 2018, selling an estimated $6.64M.
  • William Blair & Company's ten largest holdings make up 20% of its $14.1B portfolio in Q1 2018.
  • William Blair & Company opened 292 new positions and closed 147 in Q1 2018.
  • William Blair & Company's portfolio value fell 4% quarter-over-quarter to $14.1B.

Based on William Blair & Company's 13F filing for Q1 2018, filed 15 May 2018.