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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
+7.98%
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
$31.9B
AUM Growth
+$988M
Cap. Flow
-$703M
Cap. Flow %
-2.21%
Top 10 Hldgs %
16.59%
Holding
479
New
112
Increased
100
Reduced
249
Closed
14

Top Sells

Rank Stock Value
1
LOPE icon
Grand Canyon Education
LOPE
+$206M
2
ETSY icon
Etsy
ETSY
+$195M
3
AAP icon
Advance Auto Parts
AAP
+$192M
4
BJ icon
BJs Wholesale Club
BJ
+$151M
5
RAMP icon
LiveRamp
RAMP
+$125M

Sector Composition

Rank Sector Weight
1 Technology 25.66%
2 Healthcare 20.52%
3 Industrials 14.68%
4 Consumer Discretionary 14.22%
5 Financials 6.61%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
MD icon
476
Pediatrix Medical
MD
$2.15B
-749,282
Closed -$19.1M
SCI icon
477
Service Corp International
SCI
$11.5B
-296,582
Closed -$15.1M
XLE icon
478
State Street Energy Select Sector SPDR ETF
XLE
$39.9B
-405,200
Closed -$9.94M
PFPT
479
DELISTED
Proofpoint, Inc.
PFPT
-934,928
Closed -$118M

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William Blair Investment Management's Q2 2021 Portfolio in Review

As of Q2 2021, William Blair Investment Management held 479 positions worth $31.9B, up 3.2% from $30.9B the previous quarter. Its ten largest holdings account for 17% of the portfolio.

William Blair Investment Management's Q2 2021 filing shows 112 new, 100 increased, 249 reduced and 14 closed positions. Its largest new stake was Fox Factory Holding Corp: 1,625,709 shares worth $253M. The largest sale was Grand Canyon Education, an estimated $206M.

By sector, the portfolio is most concentrated in Technology at 26% of assets, up from 25% a quarter earlier, followed by Healthcare and Industrials.

  • William Blair Investment Management's largest Q2 2021 buy was Fox Factory Holding Corp: 1,625,709 shares worth $253M.
  • William Blair Investment Management added most to Denbury Inc. in Q2 2021, an estimated $153M increase.
  • William Blair Investment Management's biggest Q2 2021 reduction was Grand Canyon Education, cutting an estimated $206M.
  • William Blair Investment Management fully exited Proofpoint, Inc. in Q2 2021, selling an estimated $118M.
  • William Blair Investment Management's ten largest holdings make up 17% of its $31.9B portfolio in Q2 2021.
  • William Blair Investment Management opened 112 new positions and closed 14 in Q2 2021.
  • William Blair Investment Management's portfolio value rose 3.2% quarter-over-quarter to $31.9B.

Based on William Blair Investment Management's 13F filing for Q2 2021, filed 12 Aug 2021.