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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
+5.95%
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
$26.2B
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
BLBD icon
226
Blue Bird Corp
BLBD
$2.1B
$21.1M 0.08%
891,302
+205,948
+30% +$4.51M
CPE
227
DELISTED
Callon Petroleum Company
CPE
$20.9M 0.08%
157,811
+117,726
+294% +$13.8M
HR
228
DELISTED
Healthcare Realty Trust Incorporated
HR
$20.9M 0.08%
754,017
-20,047
-3% -$573K
AAT
229
American Assets Trust
AAT
$1.37B
$20.8M 0.08%
621,064
-22,024
-3% -$747K
EE
230
DELISTED
El Paso Electric Company
EE
$20.5M 0.08%
+401,156
New +$20.3M
DAN icon
231
Dana Inc
DAN
$3.27B
$20.4M 0.08%
793,652
-143,730
-15% -$4.25M
MMYT icon
232
MakeMyTrip
MMYT
$5.78B
$20.3M 0.08%
584,145
+4,873
+0.8% +$155K
SBCF icon
233
Seacoast Banking Corp of Florida
SBCF
$3.42B
$20.1M 0.08%
759,108
-25,610
-3% -$677K
FAF icon
234
First American
FAF
$7.32B
$19.9M 0.08%
339,133
-131,060
-28% -$7.68M
BANR icon
235
Banner Corp
BANR
$2.47B
$19.8M 0.08%
356,904
-12,133
-3% -$678K
ERF
236
DELISTED
Enerplus Corporation
ERF
$19.4M 0.07%
1,729,777
-11,076
-0.6% -$121K
BPFH
237
DELISTED
Boston Private Financial Holdings, Inc.
BPFH
$19.4M 0.07%
1,287,937
-43,784
-3% -$664K
WW
238
DELISTED
WW International
WW
$19.4M 0.07%
+303,808
New +$19.5M
BLD
239
DELISTED
TopBuild
BLD
$19.3M 0.07%
251,758
-47,190
-16% -$3.57M
CBPX
240
DELISTED
CONTINENTAL BUILDING PRODUCTS, INC.
CBPX
$19.2M 0.07%
673,604
-334,504
-33% -$9.36M
DAR icon
241
Darling Ingredients
DAR
$9.84B
$19M 0.07%
1,100,307
-37,388
-3% -$679K
CPK icon
242
Chesapeake Utilities
CPK
$3.22B
$18.8M 0.07%
267,337
-64,881
-20% -$4.62M
GLOB icon
243
Globant
GLOB
$1.68B
$18.8M 0.07%
364,003
+335,013
+1,156% +$16.4M
SHOO icon
244
Steven Madden
SHOO
$3.53B
$18.6M 0.07%
636,752
-60,138
-9% -$1.82M
RSPP
245
DELISTED
RSP Permian, Inc.
RSPP
$18.6M 0.07%
397,242
-109,880
-22% -$4.32M
AVNT icon
246
Avient
AVNT
$4.17B
$18.6M 0.07%
436,691
-15,876
-4% -$685K
CVCO icon
247
Cavco Industries
CVCO
$4.57B
$18.6M 0.07%
106,762
-26,491
-20% -$4.38M
SAIA icon
248
Saia
SAIA
$9.52B
$18.5M 0.07%
+246,675
New +$18.3M
PEB icon
249
Pebblebrook Hotel Trust
PEB
$2.01B
$18.3M 0.07%
533,356
-16,689
-3% -$606K
DESP
250
DELISTED
Despegar.com
DESP
$18.1M 0.07%
579,952
-118,325
-17% -$3.53M

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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.