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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
+8.82%
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
$40.5B
AUM Growth
+$2.41B
Cap. Flow
+$166M
Cap. Flow %
0.41%
Top 10 Hldgs %
26.88%
Holding
451
New
40
Increased
141
Reduced
231
Closed
39

Top Buys

Rank Stock Value
1
META icon
Meta Platforms (Facebook)
META
+$732M
2
AAPL icon
Apple
AAPL
+$390M
3
TRU icon
TransUnion
TRU
+$198M
4
NVT icon
nVent Electric
NVT
+$164M
5
MANH icon
Manhattan Associates
MANH
+$159M

Top Sells

Rank Stock Value
1
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$1.17B
2
AXON
Axon Enterprise
AXON
+$211M
3
MMSI icon
Merit Medical Systems
MMSI
+$148M
4
BLDR icon
Builders FirstSource
BLDR
+$146M
5
TREX icon
Trex
TREX
+$144M

Sector Composition

Rank Sector Weight
1 Technology 34.33%
2 Consumer Discretionary 14.81%
3 Healthcare 14.4%
4 Financials 10.44%
5 Industrials 9.94%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
WFRD icon
176
Weatherford International
WFRD
$6.65B
$38.8M 0.1%
456,823
+37,979
+9% +$4.09M
TFII icon
177
TFI International
TFII
$12B
$38.8M 0.1%
283,220
-5,026
-2% -$742K
UMH
178
UMH Properties
UMH
$1.39B
$38.2M 0.09%
1,943,940
-59,809
-3% -$1.11M
ESE icon
179
ESCO Technologies
ESE
$7.78B
$38M 0.09%
+294,646
New +$34.7M
BAH icon
180
Booz Allen Hamilton
BAH
$9.43B
$37.8M 0.09%
232,173
-2,083
-0.9% -$319K
GPOR icon
181
Gulfport Energy Corp
GPOR
$3B
$37.7M 0.09%
249,037
+42,031
+20% +$6.17M
ONB icon
182
Old National Bancorp
ONB
$10.4B
$37.7M 0.09%
2,018,912
-61,991
-3% -$1.16M
GLOB icon
183
Globant
GLOB
$1.67B
$37.6M 0.09%
189,934
-82,072
-30% -$15.9M
VMC icon
184
Vulcan Materials
VMC
$36.3B
$37.2M 0.09%
148,511
+2,711
+2% +$673K
HUBG icon
185
HUB Group
HUBG
$2.46B
$37.1M 0.09%
815,700
-24,717
-3% -$1.1M
WMT icon
186
Walmart Inc
WMT
$923B
$37M 0.09%
458,496
+255,990
+126% +$18.8M
THS
187
DELISTED
Treehouse Foods
THS
$37M 0.09%
881,311
-27,228
-3% -$1.08M
AVGO icon
188
Broadcom
AVGO
$1.98T
$36.9M 0.09%
213,828
+41,628
+24% +$6.67M
INFY icon
189
Infosys
INFY
$49.7B
$36.8M 0.09%
1,654,329
-2,703
-0.2% -$59.1K
BANC icon
190
Banc of California
BANC
$3.1B
$36.7M 0.09%
2,494,345
-76,839
-3% -$1.07M
CMC icon
191
Commercial Metals
CMC
$8B
$36.7M 0.09%
668,327
-19,749
-3% -$1.07M
SHOO icon
192
Steven Madden
SHOO
$3.49B
$36.7M 0.09%
748,879
-22,983
-3% -$1.02M
WSO icon
193
Watsco Inc
WSO
$12.8B
$36.7M 0.09%
74,547
+9,480
+15% +$4.56M
VRTX icon
194
Vertex Pharmaceuticals
VRTX
$133B
$35.6M 0.09%
+76,549
New +$36.8M
VIST icon
195
Vista Energy
VIST
$7.32B
$35.3M 0.09%
800,007
+553,373
+224% +$26M
PGR icon
196
Progressive
PGR
$121B
$35.3M 0.09%
139,079
+26,360
+23% +$6.13M
XPRO icon
197
Expro Ltd
XPRO
$2.07B
$35.2M 0.09%
2,051,233
-62,747
-3% -$1.28M
AWI icon
198
Armstrong World Industries
AWI
$7.75B
$35.1M 0.09%
267,022
-7,961
-3% -$984K
KFY icon
199
Korn Ferry
KFY
$4.28B
$35M 0.09%
464,990
-14,045
-3% -$986K
BRC icon
200
Brady Corp
BRC
$4.48B
$35M 0.09%
456,248
-163,543
-26% -$11.6M
6 7
8
9 10

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William Blair Investment Management's Q3 2024 Portfolio in Review

As of Q3 2024, William Blair Investment Management held 451 positions worth $40.5B, up 6.3% from $38.1B the previous quarter. Its ten largest holdings account for 27% of the portfolio.

William Blair Investment Management's Q3 2024 filing shows 40 new, 141 increased, 231 reduced and 39 closed positions. Its largest new stake was nVent Electric: 2,380,715 shares worth $167M. The largest sale was Alphabet (Google) Class A, an estimated $1.17B.

By sector, the portfolio is most concentrated in Technology at 34% of assets, up from 34% a quarter earlier, followed by Consumer Discretionary and Healthcare.

  • William Blair Investment Management's largest Q3 2024 buy was nVent Electric: 2,380,715 shares worth $167M.
  • William Blair Investment Management added most to Meta Platforms (Facebook) in Q3 2024, an estimated $732M increase.
  • William Blair Investment Management's biggest Q3 2024 reduction was Alphabet (Google) Class A, cutting an estimated $1.17B.
  • William Blair Investment Management fully exited Axon Enterprise in Q3 2024, selling an estimated $211M.
  • William Blair Investment Management's ten largest holdings make up 27% of its $40.5B portfolio in Q3 2024.
  • William Blair Investment Management opened 40 new positions and closed 39 in Q3 2024.
  • William Blair Investment Management's portfolio value rose 6.3% quarter-over-quarter to $40.5B.

Based on William Blair Investment Management's 13F filing for Q3 2024, filed 8 Nov 2024.