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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
+5.57%
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
$23.8B
AUM Growth
+$71.3M
Cap. Flow
-$999M
Cap. Flow %
-4.19%
Top 10 Hldgs %
19.3%
Holding
434
New
28
Increased
138
Reduced
201
Closed
62

Top Sells

Rank Stock Value
1
BALL icon
Ball Corp
BALL
+$267M
2
VEEV icon
Veeva Systems
VEEV
+$257M
3
CSGP icon
CoStar Group
CSGP
+$209M
4
BAH icon
Booz Allen Hamilton
BAH
+$146M
5
CE icon
Celanese
CE
+$141M

Sector Composition

Rank Sector Weight
1 Technology 18.31%
2 Healthcare 14.87%
3 Industrials 14.19%
4 Financials 13.92%
5 Consumer Discretionary 13.16%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
CNO icon
276
CNO Financial Group
CNO
$5.08B
$13.8M 0.06%
829,848
-123,077
-13% -$2.04M
CNK icon
277
Cinemark Holdings
CNK
$4.25B
$13.6M 0.06%
376,645
-65,190
-15% -$2.57M
SLP icon
278
Simulations Plus
SLP
$370M
$13.6M 0.06%
475,892
-9,148
-2% -$222K
CIB icon
279
Grupo Cibest SA
CIB
$23B
$13.6M 0.06%
+265,620
New +$13.3M
IPHI
280
DELISTED
INPHI CORPORATION
IPHI
$13.5M 0.06%
268,905
-29,446
-10% -$1.37M
UMPQ
281
DELISTED
Umpqua Holdings Corp
UMPQ
$13.4M 0.06%
810,037
+36,673
+5% +$620K
SMTC icon
282
Semtech
SMTC
$12.2B
$13.2M 0.06%
274,748
-30,077
-10% -$1.46M
BKH icon
283
Black Hills Corp
BKH
$5.62B
$13.1M 0.06%
167,927
+21,608
+15% +$1.63M
EPAM icon
284
EPAM Systems
EPAM
$5.16B
$13.1M 0.05%
+75,489
New +$13M
MGLN
285
DELISTED
Magellan Health Services, Inc.
MGLN
$13.1M 0.05%
175,953
-19,352
-10% -$1.3M
TWOU
286
DELISTED
2U Inc
TWOU
$13M 0.05%
11,500
-42,033
-79% -$61.9M
BLD
287
DELISTED
TopBuild
BLD
$12.9M 0.05%
155,916
-65,579
-30% -$5.02M
SLGN icon
288
Silgan Holdings
SLGN
$4.37B
$12.7M 0.05%
416,391
-45,963
-10% -$1.37M
ANF icon
289
Abercrombie & Fitch
ANF
$5.25B
$12.7M 0.05%
791,277
+192,967
+32% +$4.46M
ORBC
290
DELISTED
ORBCOMM, Inc.
ORBC
$12.6M 0.05%
1,738,915
-33,401
-2% -$238K
HLX icon
291
Helix Energy Solutions
HLX
$1.49B
$12.5M 0.05%
+1,445,743
New +$11.2M
XYL icon
292
Xylem
XYL
$28.7B
$12.5M 0.05%
149,055
-3,767
-2% -$300K
WWW icon
293
Wolverine World Wide
WWW
$1.52B
$12.5M 0.05%
452,666
-76,255
-14% -$2.43M
BPFH
294
DELISTED
Boston Private Financial Holdings, Inc.
BPFH
$12.3M 0.05%
1,019,921
-112,376
-10% -$1.26M
LFUS icon
295
Littelfuse
LFUS
$11.6B
$12.2M 0.05%
68,878
-1,329
-2% -$241K
G icon
296
Genpact
G
$5.75B
$11.7M 0.05%
306,031
-5,333
-2% -$194K
SEI
297
Solaris Energy Infrastructure
SEI
$3.88B
$11.6M 0.05%
775,318
-85,613
-10% -$1.42M
HMN icon
298
Horace Mann Educators
HMN
$2.13B
$11.5M 0.05%
+285,661
New +$11.2M
AVNT icon
299
Avient
AVNT
$4.18B
$11.3M 0.05%
361,466
-60,707
-14% -$1.7M
CE icon
300
Celanese
CE
$4.93B
$11.3M 0.05%
105,233
-1,364,243
-93% -$141M

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William Blair Investment Management's Q2 2019 Portfolio in Review

As of Q2 2019, William Blair Investment Management held 434 positions worth $23.8B, up 0.3% from $23.8B the previous quarter. Its ten largest holdings account for 19% of the portfolio.

William Blair Investment Management withdrew a net $999M in Q2 2019, closing 62 positions and reducing 201 holdings. Its most notable exit was Inogen, an estimated $100M position sold in full.

By sector, the portfolio is most concentrated in Technology at 18% of assets, up from 17% a quarter earlier, followed by Healthcare and Industrials.

Against the trend, William Blair Investment Management opened a new position in BJs Wholesale Club worth $144M.

  • William Blair Investment Management's largest Q2 2019 buy was BJs Wholesale Club: 5,465,561 shares worth $144M.
  • William Blair Investment Management added most to Abiomed Inc in Q2 2019, an estimated $167M increase.
  • William Blair Investment Management's biggest Q2 2019 reduction was Ball Corp, cutting an estimated $267M.
  • William Blair Investment Management fully exited Inogen in Q2 2019, selling an estimated $100M.
  • William Blair Investment Management's ten largest holdings make up 19% of its $23.8B portfolio in Q2 2019.
  • William Blair Investment Management opened 28 new positions and closed 62 in Q2 2019.
  • William Blair Investment Management's portfolio value rose 0.3% quarter-over-quarter to $23.8B.

Based on William Blair Investment Management's 13F filing for Q2 2019, filed 9 Aug 2019.