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William Blair Investment Management

William Blair Investment Management Portfolio holdings

AUM $33.3B
1-Year Est. Return 44.76%
This Fund
S&P 500
This Quarter Est. Return
-14.67%
1 Year Est. Return
+44.76%
3 Year Est. Return
+140.8%
5 Year Est. Return
+166.51%
10 Year Est. Return
+978.6%
AUM
$20.5B
AUM Growth
-$4.55B
Cap. Flow
-$12.9M
Cap. Flow %
-0.06%
Top 10 Hldgs %
22.75%
Holding
396
New
40
Increased
177
Reduced
118
Closed
57

Top Buys

Rank Stock Value
1
TAL icon
TAL Education Group
TAL
+$224M
2
SEDG icon
SolarEdge
SEDG
+$152M
3
MRCY icon
Mercury Systems
MRCY
+$143M
4
MASI
Masimo
MASI
+$138M
5
BCO icon
Brink's
BCO
+$124M

Top Sells

Rank Stock Value
1
MTN icon
Vail Resorts
MTN
+$240M
2
TD icon
Toronto Dominion Bank
TD
+$237M
3
SABR icon
Sabre
SABR
+$207M
4
CHKP icon
Check Point Software Technologies
CHKP
+$173M
5
GWRE icon
Guidewire Software
GWRE
+$141M

Sector Composition

Rank Sector Weight
1 Technology 22.09%
2 Healthcare 16.18%
3 Consumer Discretionary 14.43%
4 Industrials 13.27%
5 Financials 9.12%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
SITE icon
376
SiteOne Landscape Supply
SITE
$4.22B
– –
-1,402,542
Closed -$127M
TD icon
377
Toronto Dominion Bank
TD
$204B
– –
-4,224,733
Closed -$237M
VICI icon
378
VICI Properties
VICI
$28.7B
– –
-254,774
Closed -$6.51M
VRSK icon
379
Verisk Analytics
VRSK
$23.5B
– –
-49,495
Closed -$7.39M
WSFS icon
380
WSFS Financial
WSFS
$4.15B
– –
-257,651
Closed -$11.3M
WWW icon
381
Wolverine World Wide
WWW
$1.48B
– –
-339,811
Closed -$11.5M
XLP icon
382
State Street Consumer Staples Select Sector SPDR ETF
XLP
$14.7B
– –
-376,800
Closed -$23.7M
YUMC icon
383
Yum China
YUMC
$16.4B
– –
-56,384
Closed -$2.71M
SEI
384
Solaris Energy Infrastructure
SEI
$4.07B
– –
-514,739
Closed -$7.21M
NPKI
385
NPK International
NPKI
$1.19B
– –
-1,018,926
Closed -$6.39M
CPE
386
DELISTED
Callon Petroleum Company
CPE
– –
-207,866
Closed -$10M
WWE
387
DELISTED
World Wrestling Entertainment
WWE
– –
-1,968,038
Closed -$128M
PDCE
388
DELISTED
PDC Energy, Inc.
PDCE
– –
-351,032
Closed -$9.19M
SJI
389
DELISTED
South Jersey Industries, Inc.
SJI
– –
-364,777
Closed -$12M
PLAN
390
DELISTED
Anaplan, Inc.
PLAN
– –
-1,558,856
Closed -$81.7M
IBKC
391
DELISTED
IBERIABANK Corp
IBKC
– –
-182,192
Closed -$13.6M
RTN
392
DELISTED
Raytheon Company
RTN
– –
-172,503
Closed -$37.9M
HABT
393
DELISTED
The Habit Restaurants, Inc. - Class A
HABT
– –
-1,028,377
Closed -$10.7M
MOBL
394
DELISTED
MobileIron, Inc.
MOBL
– –
-1,598,788
Closed -$7.77M
ORBC
395
DELISTED
ORBCOMM, Inc.
ORBC
– –
-2,357,738
Closed -$9.93M
PRMW
396
DELISTED
Primo Water Corporation
PRMW
– –
-737,056
Closed -$8.27M
12 13 14 15
16

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William Blair Investment Management's Q1 2020 Portfolio in Review

As of Q1 2020, William Blair Investment Management held 396 positions worth $20.5B, down 18% from $25.1B the previous quarter. Its ten largest holdings account for 23% of the portfolio.

William Blair Investment Management's Q1 2020 filing shows 40 new, 177 increased, 118 reduced and 57 closed positions. Its largest new stake was SolarEdge: 1,432,686 shares worth $117M. The largest sale was Vail Resorts, an estimated $240M.

By sector, the portfolio is most concentrated in Technology at 22% of assets, down from 23% a quarter earlier, followed by Healthcare and Consumer Discretionary.

  • William Blair Investment Management's largest Q1 2020 buy was SolarEdge: 1,432,686 shares worth $117M.
  • William Blair Investment Management added most to TAL Education Group in Q1 2020, an estimated $224M increase.
  • William Blair Investment Management's biggest Q1 2020 reduction was Check Point Software Technologies, cutting an estimated $173M.
  • William Blair Investment Management fully exited Vail Resorts in Q1 2020, selling an estimated $240M.
  • William Blair Investment Management's ten largest holdings make up 23% of its $20.5B portfolio in Q1 2020.
  • William Blair Investment Management opened 40 new positions and closed 57 in Q1 2020.
  • William Blair Investment Management's portfolio value fell 18% quarter-over-quarter to $20.5B.

Based on William Blair Investment Management's 13F filing for Q1 2020, filed 8 May 2020.