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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
+1.57%
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
$23.4B
AUM Growth
-$452M
Cap. Flow
-$478M
Cap. Flow %
-2.05%
Top 10 Hldgs %
20.73%
Holding
398
New
26
Increased
153
Reduced
172
Closed
41

Top Buys

Rank Stock Value
1
IAA
IAA, Inc. Common Stock
IAA
+$134M
2
SPY icon
State Street SPDR S&P 500 ETF Trust
SPY
+$128M
3
WWE
World Wrestling Entertainment
WWE
+$112M
4
PFPT
Proofpoint, Inc.
PFPT
+$102M
5
PRSP
Perspecta Inc. Common Stock
PRSP
+$97.8M

Top Sells

Rank Stock Value
1
RCI icon
Rogers Communications
RCI
+$201M
2
CSGP icon
CoStar Group
CSGP
+$173M
3
CPRT icon
Copart
CPRT
+$156M
4
GWR
Genesee & Wyoming Inc.
GWR
+$147M
5
DPZ icon
Domino's
DPZ
+$137M

Sector Composition

Rank Sector Weight
1 Technology 20.24%
2 Healthcare 13.8%
3 Consumer Discretionary 13.77%
4 Industrials 13.46%
5 Financials 13.14%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
LII icon
351
Lennox International
LII
$14.9B
$869K ﹤0.01%
+3,575
New +$922K
SMIN icon
352
iShares MSCI India Small-Cap ETF
SMIN
$773M
$844K ﹤0.01%
24,004
-30,945
-56% -$1.08M
EOG icon
353
EOG Resources
EOG
$75.2B
$780K ﹤0.01%
10,509
– –
CXO
354
DELISTED
CONCHO RESOURCES INC.
CXO
$395K ﹤0.01%
5,823
– –
IWP icon
355
iShares Russell Mid-Cap Growth ETF
IWP
$20.8B
$263K ﹤0.01%
3,720
-1,350
-27% -$97K
ELD icon
356
WisdomTree Emerging Markets Local Debt Fund
ELD
$143M
$91K ﹤0.01%
2,650
+600
+29% +$21.1K
EMB icon
357
iShares JPMorgan USD Emerging Markets Bond ETF
EMB
$14.9B
$91K ﹤0.01%
800
+180
+29% +$20.5K
AMG icon
358
Affiliated Managers Group
AMG
$9.48B
– –
-7,425
Closed -$684K
AYI icon
359
Acuity Brands
AYI
$10.7B
– –
-137,554
Closed -$19M
BLD
360
DELISTED
TopBuild
BLD
– –
-155,916
Closed -$12.9M
BSAC icon
361
Banco Santander Chile
BSAC
$16.5B
– –
-465,226
Closed -$13.9M
CARS icon
362
Cars.com
CARS
$635M
– –
-547,324
Closed -$10.8M
CE icon
363
Celanese
CE
$4.92B
– –
-105,233
Closed -$11.3M
CPK icon
364
Chesapeake Utilities
CPK
$3.22B
– –
-110,080
Closed -$10.5M
CVBF icon
365
CVB Financial
CVBF
$4.02B
– –
-531,543
Closed -$11.2M
DXCM icon
366
DexCom
DXCM
$33.8B
– –
-1,862,512
Closed -$69.8M
EXAS
367
DELISTED
Exact Sciences
EXAS
– –
-984,426
Closed -$116M
FITB
368
Fifth Third Bancorp
FITB
$52.2B
– –
-1,100,512
Closed -$30.7M
FMX icon
369
Fomento Económico Mexicano
FMX
$40.3B
– –
-11,449
Closed -$1.11M
GS icon
370
Goldman Sachs
GS
$301B
– –
-163,662
Closed -$33.5M
HGV icon
371
Hilton Grand Vacations
HGV
$3.34B
– –
-162,514
Closed -$5.17M
INDA icon
372
iShares MSCI India ETF
INDA
$6.6B
– –
-511,600
Closed -$18.1M
ITUB icon
373
Itaú Unibanco
ITUB
$82.7B
– –
-261,746
Closed -$1.79M
IVE icon
374
iShares S&P 500 Value ETF
IVE
$50B
– –
-1
Closed –
IWD icon
375
iShares Russell 1000 Value ETF
IWD
$84B
– –
-528,880
Closed -$67.3M
12 13 14
15
16

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William Blair Investment Management's Q3 2019 Portfolio in Review

As of Q3 2019, William Blair Investment Management held 398 positions worth $23.4B, down 1.9% from $23.8B the previous quarter. Its ten largest holdings account for 21% of the portfolio.

William Blair Investment Management's Q3 2019 filing shows 26 new, 153 increased, 172 reduced and 41 closed positions. Its largest new stake was IAA, Inc. Common Stock: 2,969,390 shares worth $124M. The largest sale was Rogers Communications, an estimated $201M.

By sector, the portfolio is most concentrated in Technology at 20% of assets, up from 18% a quarter earlier, followed by Healthcare and Consumer Discretionary.

  • William Blair Investment Management's largest Q3 2019 buy was IAA, Inc. Common Stock: 2,969,390 shares worth $124M.
  • William Blair Investment Management added most to State Street SPDR S&P 500 ETF Trust in Q3 2019, an estimated $128M increase.
  • William Blair Investment Management's biggest Q3 2019 reduction was CoStar Group, cutting an estimated $173M.
  • William Blair Investment Management fully exited Rogers Communications in Q3 2019, selling an estimated $201M.
  • William Blair Investment Management's ten largest holdings make up 21% of its $23.4B portfolio in Q3 2019.
  • William Blair Investment Management opened 26 new positions and closed 41 in Q3 2019.
  • William Blair Investment Management's portfolio value fell 1.9% quarter-over-quarter to $23.4B.

Based on William Blair Investment Management's 13F filing for Q3 2019, filed 12 Nov 2019.