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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
+7.98%
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
$31.9B
AUM Growth
+$988M
Cap. Flow
-$703M
Cap. Flow %
-2.21%
Top 10 Hldgs %
16.59%
Holding
479
New
112
Increased
100
Reduced
249
Closed
14

Top Sells

Rank Stock Value
1
LOPE icon
Grand Canyon Education
LOPE
+$206M
2
ETSY icon
Etsy
ETSY
+$195M
3
AAP icon
Advance Auto Parts
AAP
+$192M
4
BJ icon
BJs Wholesale Club
BJ
+$151M
5
RAMP icon
LiveRamp
RAMP
+$125M

Sector Composition

Rank Sector Weight
1 Technology 25.66%
2 Healthcare 20.52%
3 Industrials 14.68%
4 Consumer Discretionary 14.22%
5 Financials 6.61%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
CW icon
301
Curtiss-Wright
CW
$25.4B
$1.35M ﹤0.01%
11,383
-87,392
-88% -$10.9M
GTLS
302
DELISTED
Chart Industries
GTLS
$1.32M ﹤0.01%
9,019
-69,216
-88% -$10.2M
RDN icon
303
Radian Group
RDN
$4.91B
$1.31M ﹤0.01%
58,922
-452,115
-88% -$10.6M
SBCF icon
304
Seacoast Banking Corp of Florida
SBCF
$3.47B
$1.29M ﹤0.01%
37,667
-266,947
-88% -$9.74M
UNF icon
305
Unifirst Corp
UNF
$5.23B
$1.25M ﹤0.01%
5,304
-40,718
-88% -$9.14M
MTX icon
306
Minerals Technologies
MTX
$2.26B
$1.21M ﹤0.01%
15,425
-107,731
-87% -$8.71M
MCRI icon
307
Monarch Casino & Resort
MCRI
$2.19B
$1.16M ﹤0.01%
17,501
-134,273
-88% -$9.27M
SASR
308
DELISTED
Sandy Spring Bancorp Inc
SASR
$1.16M ﹤0.01%
26,248
-186,614
-88% -$8.46M
LSI
309
DELISTED
Life Storage, Inc.
LSI
$1.16M ﹤0.01%
10,777
-82,747
-88% -$8.14M
THG icon
310
Hanover Insurance
THG
$7.73B
$1.15M ﹤0.01%
8,457
-65,043
-88% -$8.92M
FCN icon
311
FTI Consulting
FCN
$4.23B
$1.13M ﹤0.01%
8,299
-63,659
-88% -$8.96M
VIAV icon
312
Viavi Solutions
VIAV
$10.5B
$1.13M ﹤0.01%
64,028
-490,788
-88% -$8.28M
AVNT icon
313
Avient
AVNT
$4.21B
$1.12M ﹤0.01%
22,838
-175,444
-88% -$8.87M
CNO icon
314
CNO Financial Group
CNO
$5.06B
$1.12M ﹤0.01%
47,401
-363,958
-88% -$9.3M
UMPQ
315
DELISTED
Umpqua Holdings Corp
UMPQ
$1.09M ﹤0.01%
59,226
-455,023
-88% -$8.47M
MUSA icon
316
Murphy USA
MUSA
$10.3B
$1.05M ﹤0.01%
7,901
-57,394
-88% -$7.93M
FNB icon
317
FNB Corp
FNB
$6.89B
$1.04M ﹤0.01%
84,590
-649,347
-88% -$8.44M
SLGN icon
318
Silgan Holdings
SLGN
$4.45B
$1.03M ﹤0.01%
24,946
-191,469
-88% -$8.12M
CRI icon
319
Carter's
CRI
$1.43B
$1.02M ﹤0.01%
9,912
-75,888
-88% -$7.73M
CADE
320
DELISTED
Cadence Bancorporation
CADE
$1.01M ﹤0.01%
48,331
-370,519
-88% -$8.12M
BDC icon
321
Belden
BDC
$5.39B
$1.01M ﹤0.01%
19,925
-133,315
-87% -$6.52M
OGS icon
322
ONE Gas
OGS
$5.09B
$997K ﹤0.01%
13,448
-103,026
-88% -$7.93M
AAT
323
American Assets Trust
AAT
$1.4B
$992K ﹤0.01%
26,591
-204,215
-88% -$7.27M
JJSF icon
324
J&J Snack Foods
JJSF
$1.71B
$989K ﹤0.01%
5,669
-43,540
-88% -$7.35M
HIW icon
325
Highwoods Properties
HIW
$3.5B
$982K ﹤0.01%
21,736
-166,851
-88% -$7.51M

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William Blair Investment Management's Q2 2021 Portfolio in Review

As of Q2 2021, William Blair Investment Management held 479 positions worth $31.9B, up 3.2% from $30.9B the previous quarter. Its ten largest holdings account for 17% of the portfolio.

William Blair Investment Management's Q2 2021 filing shows 112 new, 100 increased, 249 reduced and 14 closed positions. Its largest new stake was Fox Factory Holding Corp: 1,625,709 shares worth $253M. The largest sale was Grand Canyon Education, an estimated $206M.

By sector, the portfolio is most concentrated in Technology at 26% of assets, up from 25% a quarter earlier, followed by Healthcare and Industrials.

  • William Blair Investment Management's largest Q2 2021 buy was Fox Factory Holding Corp: 1,625,709 shares worth $253M.
  • William Blair Investment Management added most to Denbury Inc. in Q2 2021, an estimated $153M increase.
  • William Blair Investment Management's biggest Q2 2021 reduction was Grand Canyon Education, cutting an estimated $206M.
  • William Blair Investment Management fully exited Proofpoint, Inc. in Q2 2021, selling an estimated $118M.
  • William Blair Investment Management's ten largest holdings make up 17% of its $31.9B portfolio in Q2 2021.
  • William Blair Investment Management opened 112 new positions and closed 14 in Q2 2021.
  • William Blair Investment Management's portfolio value rose 3.2% quarter-over-quarter to $31.9B.

Based on William Blair Investment Management's 13F filing for Q2 2021, filed 12 Aug 2021.