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William Blair Investment Management

William Blair Investment Management Portfolio holdings

AUM $30.3B
1-Year Est. Return 33.75%
This Fund
S&P 500
This Quarter Est. Return
+5.57%
1 Year Est. Return
+33.75%
3 Year Est. Return
+108.55%
5 Year Est. Return
+126.9%
10 Year Est. Return
+788.31%
AUM
$23.8B
AUM Growth
+$71.3M
Cap. Flow
-$999M
Cap. Flow %
-4.19%
Top 10 Hldgs %
19.3%
Holding
434
New
28
Increased
138
Reduced
201
Closed
62

Top Sells

Rank Stock Value
1
BALL icon
Ball Corp
BALL
+$267M
2
VEEV icon
Veeva Systems
VEEV
+$257M
3
CSGP icon
CoStar Group
CSGP
+$209M
4
BAH icon
Booz Allen Hamilton
BAH
+$146M
5
CE icon
Celanese
CE
+$141M

Sector Composition

Rank Sector Weight
1 Technology 18.31%
2 Healthcare 14.87%
3 Industrials 14.19%
4 Financials 13.92%
5 Consumer Discretionary 13.16%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
XENT
426
DELISTED
Intersect ENT, Inc
XENT
-528,404
Closed -$17M
KSU
427
DELISTED
Kansas City Southern
KSU
-8,831
Closed -$1.02M
HOME
428
DELISTED
At Home Group Inc.
HOME
-519,816
Closed -$9.28M
WPX
429
DELISTED
WPX Energy, Inc.
WPX
-73,674
Closed -$966K
ETFC
430
DELISTED
E*Trade Financial Corporation
ETFC
-14,161
Closed -$657K
WUBA
431
DELISTED
58.com Inc
WUBA
-295,631
Closed -$19.4M
CBLK
432
DELISTED
Carbon Black, Inc. Common Stock
CBLK
-860,306
Closed -$12M
WLL
433
DELISTED
Whiting Petroleum Corporation
WLL
-375
Closed -$736K
RHT
434
DELISTED
Red Hat Inc
RHT
-3,569
Closed -$652K

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William Blair Investment Management's Q2 2019 Portfolio in Review

As of Q2 2019, William Blair Investment Management held 434 positions worth $23.8B, up 0.3% from $23.8B the previous quarter. Its ten largest holdings account for 19% of the portfolio.

William Blair Investment Management withdrew a net $999M in Q2 2019, closing 62 positions and reducing 201 holdings. Its most notable exit was Inogen, an estimated $100M position sold in full.

By sector, the portfolio is most concentrated in Technology at 18% of assets, up from 17% a quarter earlier, followed by Healthcare and Industrials.

Against the trend, William Blair Investment Management opened a new position in BJs Wholesale Club worth $144M.

  • William Blair Investment Management's largest Q2 2019 buy was BJs Wholesale Club: 5,465,561 shares worth $144M.
  • William Blair Investment Management added most to Abiomed Inc in Q2 2019, an estimated $167M increase.
  • William Blair Investment Management's biggest Q2 2019 reduction was Ball Corp, cutting an estimated $267M.
  • William Blair Investment Management fully exited Inogen in Q2 2019, selling an estimated $100M.
  • William Blair Investment Management's ten largest holdings make up 19% of its $23.8B portfolio in Q2 2019.
  • William Blair Investment Management opened 28 new positions and closed 62 in Q2 2019.
  • William Blair Investment Management's portfolio value rose 0.3% quarter-over-quarter to $23.8B.

Based on William Blair Investment Management's 13F filing for Q2 2019, filed 9 Aug 2019.