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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
TSEM icon
151
Tower Semiconductor
TSEM
$29.4B
$44.8M 0.11%
1,012,541
-28,443
-3% -$1.17M
TCBI icon
152
Texas Capital Bancshares
TCBI
$4.38B
$43.8M 0.11%
612,570
-18,791
-3% -$1.23M
FTI icon
153
TechnipFMC
FTI
$29.5B
$43.6M 0.11%
1,661,112
-355,401
-18% -$9.42M
AMBA icon
154
Ambarella
AMBA
$3.66B
$42.9M 0.11%
761,008
+28,881
+4% +$1.54M
ZIP icon
155
ZipRecruiter
ZIP
$405M
$42.8M 0.11%
4,509,877
+6,816
+0.2% +$61K
ZETA icon
156
Zeta Global
ZETA
$7.17B
$42.8M 0.11%
1,434,340
-191,630
-12% -$4.51M
ABM icon
157
ABM Industries
ABM
$2.84B
$42.2M 0.1%
799,027
-25,664
-3% -$1.36M
PNFP icon
158
Pinnacle Financial Partners Inc
PNFP
$16.1B
$41.9M 0.1%
427,937
-13,543
-3% -$1.25M
LZB icon
159
La-Z-Boy
LZB
$1.64B
$41.9M 0.1%
975,398
-29,012
-3% -$1.19M
BCPC
160
Balchem Corp
BCPC
$5.73B
$41.5M 0.1%
235,739
+1,908
+0.8% +$325K
DBD icon
161
Diebold Nixdorf
DBD
$2.44B
$41.2M 0.1%
921,955
+588,045
+176% +$24.3M
ELS icon
162
Equity Lifestyle Properties
ELS
$12.4B
$41M 0.1%
574,349
-589
-0.1% -$41.3K
LNTH icon
163
Lantheus
LNTH
$6.57B
$40.7M 0.1%
371,079
-134,502
-27% -$14M
RUSHA icon
164
Rush Enterprises Class A
RUSHA
$9.41B
$40.7M 0.1%
769,609
-23,339
-3% -$1.16M
CODI icon
165
Compass Diversified
CODI
$908M
$40.3M 0.1%
1,820,808
-55,501
-3% -$1.21M
ESRT icon
166
Empire State Realty Trust
ESRT
$817M
$40.2M 0.1%
3,629,557
-111,553
-3% -$1.16M
EBC icon
167
Eastern Bankshares
EBC
$5.34B
$40.1M 0.1%
2,444,793
-74,278
-3% -$1.17M
FCPT icon
168
Four Corners Property Trust
FCPT
$2.74B
$40M 0.1%
1,365,996
-41,637
-3% -$1.15M
MMS icon
169
Maximus
MMS
$2.85B
$39.5M 0.1%
424,402
-15,721
-4% -$1.41M
AR icon
170
Antero Resources
AR
$11.5B
$39.4M 0.1%
1,374,708
+48,843
+4% +$1.38M
LXP icon
171
LXP Industrial Trust
LXP
$3.58B
$39.3M 0.1%
782,557
-21,900
-3% -$1.09M
IDA icon
172
Idacorp
IDA
$8.21B
$39.2M 0.1%
380,665
-2,260
-0.6% -$226K
KN icon
173
Knowles
KN
$3.33B
$39.2M 0.1%
2,172,357
-66,686
-3% -$1.18M
SM icon
174
SM Energy
SM
$7.71B
$39.1M 0.1%
977,220
-29,644
-3% -$1.29M
AVT icon
175
Avnet
AVT
$7.98B
$38.9M 0.1%
715,881
-21,045
-3% -$1.11M
5 6
7
8 9

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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.