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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
+19.2%
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
+$3.63B
Cap. Flow
+$288M
Cap. Flow %
1.21%
Top 10 Hldgs %
20.04%
Holding
441
New
37
Increased
142
Reduced
223
Closed
35

Sector Composition

Rank Sector Weight
1 Technology 17.21%
2 Consumer Discretionary 14.5%
3 Healthcare 14.2%
4 Industrials 13.82%
5 Financials 13.22%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
HNGR
201
DELISTED
Hanger Inc.
HNGR
$20.7M 0.09%
1,085,753
+111,578
+11% +$2.21M
CWST icon
202
Casella Waste Systems
CWST
$5.89B
$20.7M 0.09%
581,344
+28,882
+5% +$943K
MDP
203
DELISTED
Meredith Corporation
MDP
$20.5M 0.09%
371,052
+41,315
+13% +$2.29M
AVT icon
204
Avnet
AVT
$7.87B
$20.2M 0.08%
464,809
+13,859
+3% +$585K
JBTM
205
JBT Marel
JBTM
$6.32B
$20.1M 0.08%
219,184
+155,863
+246% +$13.2M
VMC icon
206
Vulcan Materials
VMC
$37.3B
$20.1M 0.08%
169,687
-6,284
-4% -$679K
PDCE
207
DELISTED
PDC Energy, Inc.
PDCE
$20M 0.08%
491,199
+129,717
+36% +$4.73M
PLD icon
208
Prologis
PLD
$133B
$19.9M 0.08%
277,149
+1,741
+0.6% +$119K
SIVB
209
DELISTED
SVB Financial Group
SIVB
$19.9M 0.08%
89,303
-3,332
-4% -$776K
XLE icon
210
State Street Energy Select Sector SPDR ETF
XLE
$39.8B
$19.5M 0.08%
589,440
-238,860
-29% -$7.67M
AGX icon
211
Argan
AGX
$8.11B
$19.5M 0.08%
+389,546
New +$17.5M
WUBA
212
DELISTED
58.com Inc
WUBA
$19.4M 0.08%
295,631
+3,346
+1% +$211K
JNK icon
213
State Street SPDR Bloomberg High Yield Bond ETF
JNK
$7.3B
$19.3M 0.08%
179,013
-70,287
-28% -$7.44M
LHCG
214
DELISTED
LHC Group LLC
LHCG
$19.3M 0.08%
173,696
+6,015
+4% +$642K
PLOW icon
215
Douglas Dynamics
PLOW
$979M
$19.2M 0.08%
504,273
-4,144
-0.8% -$154K
IBN icon
216
ICICI Bank
IBN
$107B
$19.1M 0.08%
1,671,209
-1,235
-0.1% -$12.8K
VIAV icon
217
Viavi Solutions
VIAV
$9.47B
$19M 0.08%
1,531,217
-491,532
-24% -$5.76M
TXNM
218
TXNM Energy Inc
TXNM
$5.91B
$18.9M 0.08%
399,870
-16,560
-4% -$724K
WWW icon
219
Wolverine World Wide
WWW
$1.49B
$18.9M 0.08%
528,921
-23,734
-4% -$829K
NBHC icon
220
National Bank Holdings
NBHC
$1.92B
$18.7M 0.08%
563,640
-24,907
-4% -$834K
BDC icon
221
Belden
BDC
$5.26B
$18.6M 0.08%
346,594
-54,469
-14% -$2.98M
CW icon
222
Curtiss-Wright
CW
$26.1B
$18.6M 0.08%
+164,144
New +$18.7M
RAMP icon
223
LiveRamp
RAMP
$2.3B
$18.6M 0.08%
340,055
-136,958
-29% -$6.79M
CRI icon
224
Carter's
CRI
$1.46B
$18.5M 0.08%
+183,148
New +$16.3M
DKS icon
225
Dick's Sporting Goods
DKS
$18.4B
$18.4M 0.08%
+499,206
New +$17.8M

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William Blair Investment Management's Q1 2019 Portfolio in Review

As of Q1 2019, William Blair Investment Management held 441 positions worth $23.8B, up 18% from $20.1B the previous quarter. Its ten largest holdings account for 20% of the portfolio.

William Blair Investment Management's Q1 2019 filing shows 37 new, 142 increased, 223 reduced and 35 closed positions. Its largest new stake was Steris: 803,400 shares worth $103M. The largest sale was Six Flags Entertainment Corp., an estimated $151M.

By sector, the portfolio is most concentrated in Technology at 17% of assets, up from 16% a quarter earlier, followed by Consumer Discretionary and Healthcare.

  • William Blair Investment Management's largest Q1 2019 buy was Steris: 803,400 shares worth $103M.
  • William Blair Investment Management added most to Check Point Software Technologies in Q1 2019, an estimated $181M increase.
  • William Blair Investment Management's biggest Q1 2019 reduction was WW International, cutting an estimated $59M.
  • William Blair Investment Management fully exited Six Flags Entertainment Corp. in Q1 2019, selling an estimated $151M.
  • William Blair Investment Management's ten largest holdings make up 20% of its $23.8B portfolio in Q1 2019.
  • William Blair Investment Management opened 37 new positions and closed 35 in Q1 2019.
  • William Blair Investment Management's portfolio value rose 18% quarter-over-quarter to $23.8B.

Based on William Blair Investment Management's 13F filing for Q1 2019, filed 10 May 2019.