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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
LGND icon
301
Ligand Pharmaceuticals
LGND
$5.72B
$20.6M 0.05%
205,689
+2,847
+1% +$287K
CIGI icon
302
Colliers International
CIGI
$5.17B
$20.2M 0.05%
133,309
+8,007
+6% +$1.09M
SLVM icon
303
Sylvamo
SLVM
$1.53B
$19.7M 0.05%
229,054
-402,419
-64% -$30M
INVX
304
Innovex International
INVX
$2.16B
$19.4M 0.05%
1,320,941
-39,350
-3% -$632K
SHC icon
305
Sotera Health
SHC
$5.44B
$18.8M 0.05%
1,128,447
-3,008
-0.3% -$43.9K
LOCO icon
306
El Pollo Loco
LOCO
$468M
$18.8M 0.05%
1,372,055
-42,346
-3% -$530K
CERT icon
307
Certara
CERT
$1.22B
$18.7M 0.05%
1,600,237
-3,616,651
-69% -$47.7M
MYE icon
308
Myers Industries
MYE
$1.27B
$18.4M 0.05%
1,330,511
+7,438
+0.6% +$105K
ADNT icon
309
Adient
ADNT
$1.48B
$18.3M 0.05%
808,857
-24,740
-3% -$566K
CGNT icon
310
Cognyte Software
CGNT
$670M
$18.2M 0.04%
2,675,819
-82,147
-3% -$599K
PRCT icon
311
Procept Biorobotics
PRCT
$1.26B
$17M 0.04%
+212,502
New +$15.1M
RYZ
312
Ryerson Holding Corp
RYZ
$1.49B
$16.7M 0.04%
838,171
-25,778
-3% -$521K
ANET icon
313
Arista Networks
ANET
$263B
$15.8M 0.04%
+164,252
New +$14.3M
ARHS icon
314
Arhaus
ARHS
$1.39B
$15.4M 0.04%
1,255,050
+13,378
+1% +$181K
BMA icon
315
Banco Macro
BMA
$5.02B
$15.3M 0.04%
+241,574
New +$13.9M
GOGO icon
316
Gogo Inc
GOGO
$375M
$15M 0.04%
2,093,417
+19,724
+1% +$161K
ASR icon
317
Grupo Aeroportuario del Sureste
ASR
$8.04B
$14.4M 0.04%
50,909
+16
+0% +$4.59K
ONT
318
Onterris Inc
ONT
$577M
$14.1M 0.03%
534,342
+15,997
+3% +$517K
TMCI icon
319
Treace Medical Concepts
TMCI
$302M
$13.9M 0.03%
2,392,061
-1,289,657
-35% -$8.28M
CBRL icon
320
Cracker Barrel
CBRL
$1.31B
$13.5M 0.03%
297,747
-11,256
-4% -$463K
GDS icon
321
GDS Holdings
GDS
$6.87B
$12.9M 0.03%
+633,833
New +$8.96M
TITN icon
322
Titan Machinery
TITN
$425M
$12.6M 0.03%
902,401
-27,600
-3% -$414K
ABT icon
323
Abbott
ABT
$192B
$12.4M 0.03%
108,643
-10,185
-9% -$1.12M
RXST icon
324
RxSight
RXST
$288M
$12.3M 0.03%
249,020
+692
+0.3% +$35.5K
IWO icon
325
iShares Russell 2000 Growth ETF
IWO
$15B
$12.2M 0.03%
42,814
+10,059
+31% +$2.76M
11 12
13
14 15

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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.