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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
+5.95%
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
$26.2B
AUM Growth
+$458M
Cap. Flow
-$585M
Cap. Flow %
-2.23%
Top 10 Hldgs %
18.81%
Holding
469
New
42
Increased
160
Reduced
224
Closed
36

Sector Composition

Rank Sector Weight
1 Technology 14.91%
2 Financials 14.73%
3 Consumer Discretionary 14.13%
4 Industrials 13.07%
5 Healthcare 12.8%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
EME icon
251
Emcor
EME
$36B
$18.1M 0.07%
232,543
-35,361
-13% -$2.8M
RRC icon
252
Range Resources
RRC
$9.5B
$18.1M 0.07%
1,243,039
-26,467
-2% -$396K
SIMO icon
253
Silicon Motion
SIMO
$7.6B
$18M 0.07%
374,294
-108,313
-22% -$5.2M
MTX icon
254
Minerals Technologies
MTX
$2.3B
$17.7M 0.07%
264,461
-9,445
-3% -$677K
CNO icon
255
CNO Financial Group
CNO
$5.05B
$17.6M 0.07%
810,287
-157,766
-16% -$3.72M
GNBC
256
DELISTED
Green Bancorp, Inc
GNBC
$17.5M 0.07%
787,555
-26,482
-3% -$599K
SXT icon
257
Sensient Technologies
SXT
$5.61B
$17.5M 0.07%
248,224
-8,859
-3% -$638K
OCFC icon
258
OceanFirst Financial
OCFC
$1.84B
$17.3M 0.07%
647,697
-21,950
-3% -$592K
TEX icon
259
Terex
TEX
$7.74B
$17.3M 0.07%
462,218
-127,291
-22% -$5.52M
NOAH
260
Noah Holdings
NOAH
$591M
$17.1M 0.07%
362,193
+117,513
+48% +$5.65M
PLD icon
261
Prologis
PLD
$133B
$17.1M 0.07%
270,850
-4,232
-2% -$263K
SASR
262
DELISTED
Sandy Spring Bancorp Inc
SASR
$16.9M 0.06%
436,335
-29,886
-6% -$1.17M
CDXS icon
263
Codexis
CDXS
$159M
$16.6M 0.06%
1,508,531
+90,468
+6% +$866K
EQC
264
DELISTED
Equity Commonwealth
EQC
$16.5M 0.06%
538,722
-188,062
-26% -$5.59M
WGO icon
265
Winnebago Industries
WGO
$927M
$16.5M 0.06%
+439,311
New +$20.2M
VRNS icon
266
Varonis Systems
VRNS
$4.84B
$16.3M 0.06%
810,495
-13,554
-2% -$251K
IPHI
267
DELISTED
INPHI CORPORATION
IPHI
$16.3M 0.06%
542,751
-224,041
-29% -$6.96M
PDCE
268
DELISTED
PDC Energy, Inc.
PDCE
$16.3M 0.06%
333,152
-28,641
-8% -$1.51M
EPI icon
269
WisdomTree India Earnings Fund ETF
EPI
$2.05B
$16.2M 0.06%
618,161
+28,936
+5% +$796K
NBHC icon
270
National Bank Holdings
NBHC
$1.92B
$16.2M 0.06%
486,165
-16,533
-3% -$549K
PXD
271
DELISTED
Pioneer Natural Resource Co.
PXD
$16M 0.06%
93,342
-1,901
-2% -$335K
MDP
272
DELISTED
Meredith Corporation
MDP
$15.9M 0.06%
296,134
-22,133
-7% -$1.31M
ADC icon
273
Agree Realty
ADC
$9.13B
$15.9M 0.06%
330,085
-110,876
-25% -$5.32M
COST icon
274
Costco
COST
$419B
$15.8M 0.06%
83,991
-11,118
-12% -$2.1M
SMTC icon
275
Semtech
SMTC
$12.2B
$15.7M 0.06%
+400,965
New +$14.4M

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William Blair Investment Management's Q1 2018 Portfolio in Review

As of Q1 2018, William Blair Investment Management held 469 positions worth $26.2B, up 1.8% from $25.7B the previous quarter. Its ten largest holdings account for 19% of the portfolio.

William Blair Investment Management's Q1 2018 filing shows 42 new, 160 increased, 224 reduced and 36 closed positions. Its largest new stake was Healthcare Services Group: 3,458,904 shares worth $150M. The largest sale was Maximus, an estimated $224M.

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

  • William Blair Investment Management's largest Q1 2018 buy was Healthcare Services Group: 3,458,904 shares worth $150M.
  • William Blair Investment Management added most to PARSLEY ENERGY INC in Q1 2018, an estimated $136M increase.
  • William Blair Investment Management's biggest Q1 2018 reduction was Canadian National Railway, cutting an estimated $212M.
  • William Blair Investment Management fully exited Maximus in Q1 2018, selling an estimated $224M.
  • William Blair Investment Management's ten largest holdings make up 19% of its $26.2B portfolio in Q1 2018.
  • William Blair Investment Management opened 42 new positions and closed 36 in Q1 2018.
  • William Blair Investment Management's portfolio value rose 1.8% quarter-over-quarter to $26.2B.

Based on William Blair Investment Management's 13F filing for Q1 2018, filed 14 May 2018.