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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
+6.55%
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
$25.7B
AUM Growth
-$2.19B
Cap. Flow
-$3.7B
Cap. Flow %
-14.37%
Top 10 Hldgs %
17.87%
Holding
463
New
30
Increased
148
Reduced
245
Closed
36

Top Sells

Rank Stock Value
1
WP
Worldpay, Inc.
WP
+$346M
2
SBAC icon
SBA Communications
SBAC
+$258M
3
CNC icon
Centene
CNC
+$212M
4
ALGN icon
Align Technology
ALGN
+$207M
5
BABA icon
Alibaba
BABA
+$194M

Sector Composition

Rank Sector Weight
1 Financials 14.64%
2 Consumer Discretionary 14.51%
3 Technology 13.93%
4 Industrials 13.62%
5 Healthcare 11.44%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
BOOT icon
301
Boot Barn
BOOT
$5.11B
$10M 0.04%
603,255
-96,643
-14% -$1.16M
HLX icon
302
Helix Energy Solutions
HLX
$1.47B
$9.62M 0.04%
1,275,811
-7,829
-0.6% -$55.4K
CARS icon
303
Cars.com
CARS
$653M
$9.55M 0.04%
331,152
+126,239
+62% +$3.27M
BMY icon
304
Bristol-Myers Squibb
BMY
$132B
$9.06M 0.04%
147,819
-171,061
-54% -$10.7M
ARGT icon
305
Global X MSCI Argentina ETF
ARGT
$830M
$8.98M 0.03%
254,200
-38,000
-13% -$1.25M
ARCO icon
306
Arcos Dorados Holdings
ARCO
$1.7B
$8.9M 0.03%
883,496
+619,599
+235% +$6.06M
AGN
307
DELISTED
Allergan plc
AGN
$8.73M 0.03%
53,341
-63,037
-54% -$11.3M
MRCY icon
308
Mercury Systems
MRCY
$6.52B
$8.65M 0.03%
168,442
-26,948
-14% -$1.38M
THRM icon
309
Gentherm
THRM
$1.27B
$8.64M 0.03%
272,001
-113,888
-30% -$3.94M
IBN icon
310
ICICI Bank
IBN
$108B
$8.4M 0.03%
863,103
-2,369,655
-73% -$21.8M
IMAX icon
311
IMAX
IMAX
$2.81B
$8.33M 0.03%
359,815
-30,781
-8% -$725K
VEDL
312
DELISTED
Vedanta Limited American Depostary Shares (Each representing four equity shares)
VEDL
$8.13M 0.03%
+390,418
New +$7.64M
HOME
313
DELISTED
At Home Group Inc.
HOME
$8.09M 0.03%
266,196
-176,413
-40% -$4.29M
LFUS icon
314
Littelfuse
LFUS
$11.6B
$8.08M 0.03%
40,840
-6,459
-14% -$1.3M
CVGW
315
DELISTED
Calavo Growers
CVGW
$7.89M 0.03%
93,521
-14,778
-14% -$1.09M
ORBC
316
DELISTED
ORBCOMM, Inc.
ORBC
$7.65M 0.03%
751,116
+182,368
+32% +$1.93M
CTLP
317
DELISTED
Cantaloupe
CTLP
$7.61M 0.03%
780,461
-728,900
-48% -$5.59M
WNS
318
DELISTED
WNS Holdings
WNS
$7.56M 0.03%
188,417
-30,066
-14% -$1.18M
SMIN icon
319
iShares MSCI India Small-Cap ETF
SMIN
$772M
$7.5M 0.03%
142,767
+21,467
+18% +$1.06M
NTRI
320
DELISTED
NutriSystem, Inc.
NTRI
$7.3M 0.03%
138,740
-22,268
-14% -$1.17M
DEO icon
321
Diageo
DEO
$54B
$7.21M 0.03%
49,362
+105
+0.2% +$14.5K
USPH icon
322
US Physical Therapy
USPH
$1.24B
$7.2M 0.03%
+99,725
New +$6.8M
AORT icon
323
Artivion
AORT
$1.28B
$7M 0.03%
365,346
-58,541
-14% -$1.17M
IX icon
324
ORIX
IX
$43.3B
$6.81M 0.03%
401,700
+86,720
+28% +$1.47M
RELX icon
325
RELX
RELX
$62.1B
$6.79M 0.03%
286,645
+36,374
+15% +$844K

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William Blair Investment Management's Q4 2017 Portfolio in Review

As of Q4 2017, William Blair Investment Management held 463 positions worth $25.7B, down 7.9% from $27.9B the previous quarter. Its ten largest holdings account for 18% of the portfolio.

William Blair Investment Management withdrew a net $3.7B in Q4 2017, closing 36 positions and reducing 245 holdings. Its most notable exit was Worldpay, Inc., an estimated $346M position sold in full.

By sector, the portfolio is most concentrated in Financials at 15% of assets, up from 13% a quarter earlier, followed by Consumer Discretionary and Technology.

Against the trend, William Blair Investment Management opened a new position in Teledyne Technologies worth $121M.

  • William Blair Investment Management's largest Q4 2017 buy was Teledyne Technologies: 669,495 shares worth $121M.
  • William Blair Investment Management added most to State Street SPDR S&P 500 ETF Trust in Q4 2017, an estimated $206M increase.
  • William Blair Investment Management's biggest Q4 2017 reduction was SBA Communications, cutting an estimated $258M.
  • William Blair Investment Management fully exited Worldpay, Inc. in Q4 2017, selling an estimated $346M.
  • William Blair Investment Management's ten largest holdings make up 18% of its $25.7B portfolio in Q4 2017.
  • William Blair Investment Management opened 30 new positions and closed 36 in Q4 2017.
  • William Blair Investment Management's portfolio value fell 7.9% quarter-over-quarter to $25.7B.

Based on William Blair Investment Management's 13F filing for Q4 2017, filed 14 Feb 2018.