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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
+7.98%
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
$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 Buys

Rank Stock Value
1
FOXF icon
Fox Factory Holding Corp
FOXF
+$242M
2
WH icon
Wyndham Hotels & Resorts
WH
+$228M
3
DEN
Denbury Inc.
DEN
+$153M
4
BLDR icon
Builders FirstSource
BLDR
+$134M
5
RVLV icon
Revolve Group
RVLV
+$99.3M

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
LPRO
201
DELISTED
Open Lending Corp
LPRO
$25.1M 0.08%
581,342
-23,486
-4% -$902K
ELS icon
202
Equity Lifestyle Properties
ELS
$12.4B
$25M 0.08%
336,171
+17,757
+6% +$1.26M
GBCI icon
203
Glacier Bancorp
GBCI
$6.39B
$24.9M 0.08%
451,889
-146,594
-24% -$8.58M
GOGO icon
204
Gogo Inc
GOGO
$392M
$24.6M 0.08%
+2,157,591
New +$25M
PFGC icon
205
Performance Food Group
PFGC
$17.9B
$24.4M 0.08%
503,200
+176,173
+54% +$9.3M
UPLD icon
206
Upland Software
UPLD
$14.2M
$24.2M 0.08%
58,797
-2,375
-4% -$1.04M
INNV icon
207
InnovAge Holding
INNV
$1.39B
$23.9M 0.08%
+1,123,417
New +$25.7M
CIGI icon
208
Colliers International
CIGI
$5.3B
$23.7M 0.07%
211,961
-9,232
-4% -$1.02M
PRCH icon
209
Porch Group
PRCH
$1.79B
$23.5M 0.07%
1,212,803
-450,143
-27% -$7.42M
FORR icon
210
Forrester Research
FORR
$225M
$22.7M 0.07%
495,481
-20,012
-4% -$863K
EXAS
211
DELISTED
Exact Sciences
EXAS
$22.4M 0.07%
180,333
+28,923
+19% +$3.45M
AKR icon
212
Acadia Realty Trust
AKR
$2.83B
$22.1M 0.07%
1,007,667
+606,587
+151% +$12.9M
EXP icon
213
Eagle Materials
EXP
$6.57B
$21.8M 0.07%
153,523
+8,019
+6% +$1.15M
CLVT icon
214
Clarivate
CLVT
$1.22B
$20.9M 0.07%
760,598
+164,896
+28% +$4.53M
PAX icon
215
Patria Investments
PAX
$1.81B
$20.9M 0.07%
1,188,056
+107,533
+10% +$1.72M
USPH icon
216
US Physical Therapy
USPH
$1.22B
$20.8M 0.07%
179,458
-7,245
-4% -$832K
SBAC icon
217
SBA Communications
SBAC
$19.3B
$20.7M 0.06%
64,807
-11,756
-15% -$3.52M
ASR icon
218
Grupo Aeroportuario del Sureste
ASR
$8.15B
$20.5M 0.06%
111,044
-6,780
-6% -$1.23M
IDA icon
219
Idacorp
IDA
$8.11B
$20.4M 0.06%
209,071
-54,999
-21% -$5.51M
LGTY
220
DELISTED
Logility Supply Chain Solutions, Inc. Common Stock
LGTY
$20.1M 0.06%
915,063
-36,957
-4% -$779K
MMYT icon
221
MakeMyTrip
MMYT
$5.78B
$20.1M 0.06%
668,281
+50,012
+8% +$1.39M
MCHP icon
222
Microchip Technology
MCHP
$44B
$19.9M 0.06%
266,366
-44,910
-14% -$3.42M
FMC icon
223
FMC
FMC
$1.3B
$19.9M 0.06%
183,910
-881
-0.5% -$102K
VINP icon
224
Vinci Compass Investments Ltd
VINP
$649M
$19.4M 0.06%
1,339,629
-423,823
-24% -$5.56M
KO icon
225
Coca-Cola
KO
$372B
$19M 0.06%
351,815
+1,599
+0.5% +$87K
7 8
9
10 11

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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.