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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
ARGT icon
426
Global X MSCI Argentina ETF
ARGT
$810M
-302,000
Closed -$8.14M
EFOR
427
Everforth Inc
EFOR
$1.34B
-4,450
Closed -$348K
AXGN icon
428
Axogen
AXGN
$2.67B
-205,280
Closed -$10.3M
BBAR icon
429
BBVA Argentina
BBAR
$3.25B
-23,194
Closed -$287K
BMA icon
430
Banco Macro
BMA
$5.1B
-12,434
Closed -$731K
BMO icon
431
Bank of Montreal
BMO
$129B
-3,193
Closed -$247K
BVN icon
432
Compañía de Minas Buenaventura
BVN
$8.79B
-626,103
Closed -$8.53M
CAT icon
433
Caterpillar
CAT
$393B
-23,258
Closed -$3.15M
CM icon
434
Canadian Imperial Bank of Commerce
CM
$110B
-5,574
Closed -$242K
CMCO icon
435
Columbus McKinnon
CMCO
$557M
-6,865
Closed -$298K
CNDT icon
436
Conduent
CNDT
$241M
-16,990
Closed -$309K
CPK icon
437
Chesapeake Utilities
CPK
$3.25B
-163,083
Closed -$13M
CRESY
438
Cresud
CRESY
$759M
-27,933
Closed -$371K
CRL icon
439
Charles River Laboratories
CRL
$13.6B
-1,671,909
Closed -$188M
CTLP
440
DELISTED
Cantaloupe
CTLP
-880,026
Closed -$12.3M
CVNA icon
441
Carvana
CVNA
$79.7B
-768,855
Closed -$6.4M
DHR icon
442
Danaher
DHR
$145B
-283,585
Closed -$24.8M
DNOW icon
443
DNOW Inc
DNOW
$3.04B
-19,660
Closed -$262K
DY icon
444
Dycom Industries
DY
$12.3B
-2,960
Closed -$280K
EBS icon
445
Emergent Biosolutions
EBS
$233M
-5,910
Closed -$298K
EDN
446
Edenor
EDN
$994M
-9,591
Closed -$312K
EDU icon
447
New Oriental
EDU
$8.49B
-336,756
Closed -$31.9M
EME icon
448
Emcor
EME
$36.8B
-183,187
Closed -$14M
ENSG icon
449
The Ensign Group
ENSG
$10.6B
-7,152
Closed -$240K
EWJ icon
450
iShares MSCI Japan ETF
EWJ
$23.1B
-479,000
Closed -$27.7M

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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.