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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
+7.86%
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
$28.9B
AUM Growth
+$2.01B
Cap. Flow
+$420M
Cap. Flow %
1.46%
Top 10 Hldgs %
17.78%
Holding
509
New
33
Increased
212
Reduced
167
Closed
90

Top Buys

Rank Stock Value
1
RCI icon
Rogers Communications
RCI
+$228M
2
BN icon
Brookfield
BN
+$96.9M
3
EEFT icon
Euronet Worldwide
EEFT
+$92.3M
4
TFX icon
Teleflex
TFX
+$84.9M
5
P
Everpure Inc
P
+$79.7M

Top Sells

Rank Stock Value
1
YUMC icon
Yum China
YUMC
+$188M
2
CRL icon
Charles River Laboratories
CRL
+$188M
3
FND icon
Floor & Decor
FND
+$129M
4
TWOU
2U Inc
TWOU
+$87.5M
5
MTN icon
Vail Resorts
MTN
+$71.8M

Sector Composition

Rank Sector Weight
1 Technology 16.83%
2 Healthcare 15.47%
3 Industrials 13.49%
4 Consumer Discretionary 13%
5 Financials 12.64%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
PINC
476
DELISTED
Premier
PINC
– –
-9,350
Closed -$340K
POWI icon
477
Power Integrations
POWI
$3.57B
– –
-7,020
Closed -$256K
PPG icon
478
PPG Industries
PPG
$25.5B
– –
-233,129
Closed -$24.2M
PTC icon
479
PTC
PTC
$16.1B
– –
-3,590
Closed -$337K
STRA icon
480
Strategic Education
STRA
$1.8B
– –
-2,870
Closed -$324K
SUPN icon
481
Supernus Pharmaceuticals
SUPN
$2.74B
– –
-184,848
Closed -$11.1M
SUPV
482
Grupo Supervielle
SUPV
$729M
– –
-1,133,810
Closed -$12M
TEO icon
483
Telecom Argentina
TEO
$5.81B
– –
-31,022
Closed -$550K
TSEM icon
484
Tower Semiconductor
TSEM
$29.7B
– –
-9,600
Closed -$211K
TTEK icon
485
Tetra Tech
TTEK
$9.07B
– –
-33,150
Closed -$388K
UMBF icon
486
UMB Financial
UMBF
$11.3B
– –
-3,790
Closed -$289K
USFD icon
487
US Foods
USFD
$23.9B
– –
-91,305
Closed -$3.45M
VST icon
488
Vistra
VST
$49.3B
– –
-31,140
Closed -$737K
WPM icon
489
Wheaton Precious Metals
WPM
$61.5B
– –
-128,818
Closed -$2.84M
XLF icon
490
State Street Financial Select Sector SPDR ETF
XLF
$59.1B
– –
-805,400
Closed -$21.4M
YUMC icon
491
Yum China
YUMC
$16.3B
– –
-4,885,799
Closed -$188M
ZION icon
492
Zions Bancorporation
ZION
$10.5B
– –
-9,239
Closed -$487K
ATSG
493
DELISTED
Air Transport Services Group
ATSG
– –
-16,090
Closed -$363K
TWOU
494
DELISTED
2U Inc
TWOU
– –
-34,922
Closed -$87.5M
SLCA
495
DELISTED
U.S. SILICA HOLDINGS, INC.
SLCA
– –
-8,960
Closed -$230K
NUVA
496
DELISTED
NuVasive, Inc.
NUVA
– –
-5,760
Closed -$300K
PRTY
497
DELISTED
Party City Holdco Inc.
PRTY
– –
-20,790
Closed -$317K
FLOW
498
DELISTED
SPX FLOW, Inc.
FLOW
– –
-6,710
Closed -$294K
GWB
499
DELISTED
Great Western Bancorp, Inc.
GWB
– –
-8,108
Closed -$340K
HOME
500
DELISTED
At Home Group Inc.
HOME
– –
-293,165
Closed -$11.5M
17 18 19
20
21

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William Blair Investment Management's Q3 2018 Portfolio in Review

As of Q3 2018, William Blair Investment Management held 509 positions worth $28.9B, up 7.5% from $26.9B the previous quarter. Its ten largest holdings account for 18% of the portfolio.

William Blair Investment Management's Q3 2018 filing shows 33 new, 212 increased, 167 reduced and 90 closed positions. Its largest new stake was Rogers Communications: 4,461,925 shares worth $229M. The largest sale was Yum China, an estimated $188M.

By sector, the portfolio is most concentrated in Technology at 17% of assets, up from 15% a quarter earlier, followed by Healthcare and Industrials.

  • William Blair Investment Management's largest Q3 2018 buy was Rogers Communications: 4,461,925 shares worth $229M.
  • William Blair Investment Management added most to Brookfield in Q3 2018, an estimated $96.9M increase.
  • William Blair Investment Management's biggest Q3 2018 reduction was Vail Resorts, cutting an estimated $71.8M.
  • William Blair Investment Management fully exited Yum China in Q3 2018, selling an estimated $188M.
  • William Blair Investment Management's ten largest holdings make up 18% of its $28.9B portfolio in Q3 2018.
  • William Blair Investment Management opened 33 new positions and closed 90 in Q3 2018.
  • William Blair Investment Management's portfolio value rose 7.5% quarter-over-quarter to $28.9B.

Based on William Blair Investment Management's 13F filing for Q3 2018, filed 13 Nov 2018.