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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
+8.82%
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
$27.9B
AUM Growth
+$434M
Cap. Flow
-$1.39B
Cap. Flow %
-4.97%
Top 10 Hldgs %
16.81%
Holding
485
New
38
Increased
170
Reduced
217
Closed
52

Top Buys

Rank Stock Value
1
RCI icon
Rogers Communications
RCI
+$124M
2
WEX icon
WEX
WEX
+$108M
3
DXCM icon
DexCom
DXCM
+$100M
4
TSM icon
TSMC
TSM
+$99.8M
5
YELP icon
Yelp
YELP
+$93.8M

Sector Composition

Rank Sector Weight
1 Consumer Discretionary 15.32%
2 Industrials 13.97%
3 Financials 13.47%
4 Technology 12.68%
5 Healthcare 12.14%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
CVGW
326
DELISTED
Calavo Growers
CVGW
$7.93M 0.03%
108,299
+6,705
+7% +$475K
SUPN icon
327
Supernus Pharmaceuticals
SUPN
$2.74B
$7.67M 0.03%
+191,736
New +$8.3M
ICFI icon
328
ICF International
ICFI
$1.66B
$7.42M 0.03%
137,526
+6,232
+5% +$295K
PRTS icon
329
CarParts.com
PRTS
$51.2M
$7.17M 0.03%
248,103
+11,328
+5% +$324K
AIN icon
330
Albany International
AIN
$1.73B
$7.12M 0.03%
123,946
+5,696
+5% +$305K
JBTM
331
JBT Marel
JBTM
$6.35B
$7.11M 0.03%
70,273
+3,193
+5% +$294K
BVN icon
332
Compañía de Minas Buenaventura
BVN
$8.78B
$6.75M 0.02%
+527,649
New +$6.66M
DEO icon
333
Diageo
DEO
$54B
$6.51M 0.02%
49,257
-692
-1% -$89.4K
PUK icon
334
Prudential
PUK
$35.1B
$6.38M 0.02%
137,229
-1,916
-1% -$87.5K
TGS icon
335
Transportadora de Gas del Sur
TGS
$4.41B
$6.31M 0.02%
322,595
+2,120
+0.7% +$34.9K
WLDN icon
336
Willdan Group
WLDN
$1.24B
$6.29M 0.02%
193,792
+70,595
+57% +$2.26M
BOOT icon
337
Boot Barn
BOOT
$5.11B
$6.23M 0.02%
+699,898
New +$5.56M
UN
338
DELISTED
Unilever NV New York Registry Shares
UN
$6.22M 0.02%
105,328
+20,832
+25% +$1.22M
EPAM icon
339
EPAM Systems
EPAM
$5.02B
$6.18M 0.02%
+70,271
New +$5.86M
ORBC
340
DELISTED
ORBCOMM, Inc.
ORBC
$5.96M 0.02%
568,748
-667,316
-54% -$7.38M
NVO
341
Novo Nordisk
NVO
$211B
$5.8M 0.02%
240,796
+95,556
+66% +$2.16M
TISI icon
342
Team
TISI
$75.7M
$5.66M 0.02%
42,397
+12,980
+44% +$1.98M
RELX icon
343
RELX
RELX
$62.1B
$5.59M 0.02%
250,271
-3,502
-1% -$76.9K
SMIN icon
344
iShares MSCI India Small-Cap ETF
SMIN
$772M
$5.54M 0.02%
121,300
+8,500
+8% +$390K
CARS icon
345
Cars.com
CARS
$653M
$5.45M 0.02%
+204,913
New +$5.2M
ABB
346
DELISTED
ABB Ltd
ABB
$5.3M 0.02%
214,069
+51,325
+32% +$1.23M
CVNA icon
347
Carvana
CVNA
$81.5B
$5.25M 0.02%
+1,786,350
New +$6.51M
SLP icon
348
Simulations Plus
SLP
$371M
$5.24M 0.02%
338,106
+15,492
+5% +$225K
CPE
349
DELISTED
Callon Petroleum Company
CPE
$5.23M 0.02%
46,511
+2,112
+5% +$225K
MGA icon
350
Magna International
MGA
$18.7B
$5.19M 0.02%
97,268
-1,360
-1% -$65.9K

Similar funds

William Blair Investment Management's Q3 2017 Portfolio in Review

As of Q3 2017, William Blair Investment Management held 485 positions worth $27.9B, up 1.6% from $27.5B the previous quarter. Its ten largest holdings account for 17% of the portfolio.

William Blair Investment Management withdrew a net $1.39B in Q3 2017, closing 52 positions and reducing 217 holdings. Its most notable exit was Amedisys, an estimated $91.9M position sold in full.

By sector, the portfolio is most concentrated in Consumer Discretionary at 15% of assets, down from 16% a quarter earlier, followed by Industrials and Financials.

Against the trend, William Blair Investment Management opened a new position in Rogers Communications worth $125M.

  • William Blair Investment Management's largest Q3 2017 buy was Rogers Communications: 2,429,600 shares worth $125M.
  • William Blair Investment Management added most to TSMC in Q3 2017, an estimated $99.8M increase.
  • William Blair Investment Management's biggest Q3 2017 reduction was O'Reilly Automotive, cutting an estimated $155M.
  • William Blair Investment Management fully exited Amedisys in Q3 2017, selling an estimated $91.9M.
  • William Blair Investment Management's ten largest holdings make up 17% of its $27.9B portfolio in Q3 2017.
  • William Blair Investment Management opened 38 new positions and closed 52 in Q3 2017.
  • William Blair Investment Management's portfolio value rose 1.6% quarter-over-quarter to $27.9B.

Based on William Blair Investment Management's 13F filing for Q3 2017, filed 13 Nov 2017.