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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
+6.15%
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
$26.9B
AUM Growth
+$687M
Cap. Flow
-$320M
Cap. Flow %
-1.19%
Top 10 Hldgs %
18.65%
Holding
522
New
90
Increased
140
Reduced
241
Closed
46

Top Sells

Rank Stock Value
1
ABMD
Abiomed Inc
ABMD
+$154M
2
DPZ icon
Domino's
DPZ
+$129M
3
NBIS
Nebius Group N.V.
NBIS
+$115M
4
ZTS icon
Zoetis
ZTS
+$104M
5
YELP icon
Yelp
YELP
+$103M

Sector Composition

Rank Sector Weight
1 Consumer Discretionary 15.39%
2 Technology 15.25%
3 Healthcare 14.14%
4 Financials 12.82%
5 Industrials 12.81%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
EQC
276
DELISTED
Equity Commonwealth
EQC
$16.4M 0.06%
521,194
-17,528
-3% -$542K
UNF icon
277
Unifirst Corp
UNF
$5.28B
$16.2M 0.06%
+91,338
New +$15.6M
SSD icon
278
Simpson Manufacturing
SSD
$8.16B
$15.6M 0.06%
+250,738
New +$15.2M
DAN icon
279
Dana Inc
DAN
$3.23B
$15.6M 0.06%
770,616
-23,036
-3% -$547K
IMAX icon
280
IMAX
IMAX
$2.8B
$15.3M 0.06%
689,960
+329,376
+91% +$7.34M
VRNS icon
281
Varonis Systems
VRNS
$4.85B
$15.2M 0.06%
612,732
-197,763
-24% -$4.74M
CBPX
282
DELISTED
CONTINENTAL BUILDING PRODUCTS, INC.
CBPX
$15.1M 0.06%
479,842
-193,762
-29% -$5.75M
NPKI
283
NPK International
NPKI
$1.18B
$15.1M 0.06%
1,391,807
-41,929
-3% -$426K
AWI icon
284
Armstrong World Industries
AWI
$7.86B
$15.1M 0.06%
238,492
+17,406
+8% +$1.04M
FET icon
285
Forum Energy Technologies
FET
$914M
$15M 0.06%
60,713
-2,053
-3% -$533K
CBLK
286
DELISTED
Carbon Black, Inc. Common Stock
CBLK
$14.9M 0.06%
+574,979
New +$14.8M
CNO icon
287
CNO Financial Group
CNO
$5.09B
$14.9M 0.06%
784,586
-25,701
-3% -$532K
MATX icon
288
Matsons
MATX
$6.12B
$14.9M 0.06%
+387,419
New +$12.9M
CIEN icon
289
Ciena
CIEN
$54.7B
$14.7M 0.05%
+554,046
New +$14.1M
MDP
290
DELISTED
Meredith Corporation
MDP
$14.7M 0.05%
287,467
-8,667
-3% -$444K
AYI icon
291
Acuity Brands
AYI
$10.8B
$14.6M 0.05%
+126,192
New +$15.4M
CVBF icon
292
CVB Financial
CVBF
$4.01B
$14.6M 0.05%
651,527
-19,639
-3% -$452K
JBTM
293
JBT Marel
JBTM
$6.36B
$14.6M 0.05%
164,270
+104,859
+176% +$10.2M
ALE
294
DELISTED
Allete
ALE
$14.5M 0.05%
+187,722
New +$14.1M
SAIA icon
295
Saia
SAIA
$9.54B
$14.3M 0.05%
177,100
-69,575
-28% -$5.37M
SPTN
296
DELISTED
SpartanNash
SPTN
$14.2M 0.05%
555,977
-16,751
-3% -$346K
SHO icon
297
Sunstone Hotel Investors
SHO
$1.99B
$14.1M 0.05%
+848,501
New +$13.8M
ALLE icon
298
Allegion
ALLE
$14.3B
$14.1M 0.05%
182,223
-776
-0.4% -$62.1K
THRM icon
299
Gentherm
THRM
$1.28B
$14.1M 0.05%
358,506
+84,885
+31% +$3.04M
EME icon
300
Emcor
EME
$36B
$14M 0.05%
183,187
-49,356
-21% -$3.83M

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William Blair Investment Management's Q2 2018 Portfolio in Review

As of Q2 2018, William Blair Investment Management held 522 positions worth $26.9B, up 2.6% from $26.2B the previous quarter. Its ten largest holdings account for 19% of the portfolio.

William Blair Investment Management's Q2 2018 filing shows 90 new, 140 increased, 241 reduced and 46 closed positions. Its largest new stake was GoDaddy: 2,731,356 shares worth $193M. The largest sale was Abiomed Inc, an estimated $154M.

By sector, the portfolio is most concentrated in Consumer Discretionary at 15% of assets, up from 14% a quarter earlier, followed by Technology and Healthcare.

  • William Blair Investment Management's largest Q2 2018 buy was GoDaddy: 2,731,356 shares worth $193M.
  • William Blair Investment Management added most to State Street SPDR S&P 500 ETF Trust in Q2 2018, an estimated $99.1M increase.
  • William Blair Investment Management's biggest Q2 2018 reduction was Abiomed Inc, cutting an estimated $154M.
  • William Blair Investment Management fully exited Yelp in Q2 2018, selling an estimated $103M.
  • William Blair Investment Management's ten largest holdings make up 19% of its $26.9B portfolio in Q2 2018.
  • William Blair Investment Management opened 90 new positions and closed 46 in Q2 2018.
  • William Blair Investment Management's portfolio value rose 2.6% quarter-over-quarter to $26.9B.

Based on William Blair Investment Management's 13F filing for Q2 2018, filed 14 Aug 2018.