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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
+13.19%
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
$38.7B
AUM Growth
+$4.32B
Cap. Flow
+$897M
Cap. Flow %
2.32%
Top 10 Hldgs %
24.36%
Holding
434
New
28
Increased
188
Reduced
193
Closed
24

Top Buys

Rank Stock Value
1
ACN icon
Accenture
ACN
+$171M
2
MSFT icon
Microsoft
MSFT
+$164M
3
DOCS icon
Doximity
DOCS
+$158M
4
SHOP icon
Shopify
SHOP
+$150M
5
ITUB icon
Itaú Unibanco
ITUB
+$148M

Top Sells

Rank Stock Value
1
SMCI icon
Super Micro Computer
SMCI
+$223M
2
TSM icon
TSMC
TSM
+$214M
3
TD icon
Toronto Dominion Bank
TD
+$175M
4
ELF icon
e.l.f. Beauty
ELF
+$93.6M
5
FTI icon
TechnipFMC
FTI
+$86.4M

Sector Composition

Rank Sector Weight
1 Technology 29.65%
2 Consumer Discretionary 14.83%
3 Healthcare 14.07%
4 Industrials 13.15%
5 Financials 9.08%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
AVT icon
201
Avnet
AVT
$7.98B
$36.6M 0.09%
+738,217
New +$34.6M
HUBG icon
202
HUB Group
HUBG
$2.46B
$36.4M 0.09%
841,980
-2,234
-0.3% -$97.7K
ONB icon
203
Old National Bancorp
ONB
$10.4B
$36.3M 0.09%
2,084,957
-2,305
-0.1% -$38.1K
KN icon
204
Knowles
KN
$3.33B
$36.1M 0.09%
2,243,215
-1,457
-0.1% -$23.9K
KLIC icon
205
Kulicke & Soffa
KLIC
$4.98B
$36M 0.09%
715,946
-750
-0.1% -$37.5K
IDA icon
206
Idacorp
IDA
$8.21B
$35.8M 0.09%
384,925
-37,357
-9% -$3.42M
BAH icon
207
Booz Allen Hamilton
BAH
$9.43B
$35.7M 0.09%
240,370
-63,675
-21% -$8.97M
THS
208
DELISTED
Treehouse Foods
THS
$35.6M 0.09%
913,087
+129,323
+17% +$5.12M
COLD icon
209
Americold
COLD
$4.17B
$35.5M 0.09%
1,426,365
-115,975
-8% -$3.17M
SPB icon
210
Spectrum Brands
SPB
$2.03B
$35.1M 0.09%
394,889
+274
+0.1% +$22.4K
VMC icon
211
Vulcan Materials
VMC
$36.3B
$35M 0.09%
128,216
+1,462
+1% +$360K
TSEM icon
212
Tower Semiconductor
TSEM
$29.4B
$34.9M 0.09%
+1,043,690
New +$32.5M
LNTH icon
213
Lantheus
LNTH
$6.57B
$34.8M 0.09%
559,834
+3,124
+0.6% +$184K
CHX
214
DELISTED
ChampionX
CHX
$34.8M 0.09%
970,561
+7,541
+0.8% +$226K
EBC icon
215
Eastern Bankshares
EBC
$5.34B
$34.8M 0.09%
2,523,839
+4,722
+0.2% +$64.1K
COLB icon
216
Columbia Banking Systems
COLB
$9.12B
$34.7M 0.09%
1,792,571
+215,220
+14% +$4.43M
FCPT icon
217
Four Corners Property Trust
FCPT
$2.74B
$34.5M 0.09%
1,410,376
+297,300
+27% +$7.16M
STAG icon
218
STAG Industrial
STAG
$7.12B
$34.4M 0.09%
894,103
-55,589
-6% -$2.11M
AWI icon
219
Armstrong World Industries
AWI
$7.75B
$34.3M 0.09%
276,121
-171,009
-38% -$18.9M
ITGR icon
220
Integer Holdings
ITGR
$4.25B
$34.2M 0.09%
293,267
-174,936
-37% -$18.6M
P
221
Everpure Inc
P
$37B
$34.1M 0.09%
656,501
-3,699
-0.6% -$165K
TEX icon
222
Terex
TEX
$7.8B
$34M 0.09%
527,198
-350
-0.1% -$20.5K
ANIP icon
223
ANI Pharmaceuticals
ANIP
$1.73B
$33.9M 0.09%
490,265
-292
-0.1% -$17.6K
DIOD icon
224
Diodes
DIOD
$4.93B
$33.8M 0.09%
479,614
+76,447
+19% +$5.31M
BCPC
225
Balchem Corp
BCPC
$5.73B
$33.4M 0.09%
215,727
+1,273
+0.6% +$189K
7 8
9
10 11

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William Blair Investment Management's Q1 2024 Portfolio in Review

As of Q1 2024, William Blair Investment Management held 434 positions worth $38.7B, up 13% from $34.4B the previous quarter. Its ten largest holdings account for 24% of the portfolio.

William Blair Investment Management's Q1 2024 filing shows 28 new, 188 increased, 193 reduced and 24 closed positions. Its largest new stake was Doximity: 5,530,386 shares worth $149M. The largest sale was Super Micro Computer, an estimated $223M.

By sector, the portfolio is most concentrated in Technology at 30% of assets, up from 27% a quarter earlier, followed by Consumer Discretionary and Healthcare.

  • William Blair Investment Management's largest Q1 2024 buy was Doximity: 5,530,386 shares worth $149M.
  • William Blair Investment Management added most to Accenture in Q1 2024, an estimated $171M increase.
  • William Blair Investment Management's biggest Q1 2024 reduction was Super Micro Computer, cutting an estimated $223M.
  • William Blair Investment Management fully exited Toronto Dominion Bank in Q1 2024, selling an estimated $175M.
  • William Blair Investment Management's ten largest holdings make up 24% of its $38.7B portfolio in Q1 2024.
  • William Blair Investment Management opened 28 new positions and closed 24 in Q1 2024.
  • William Blair Investment Management's portfolio value rose 13% quarter-over-quarter to $38.7B.

Based on William Blair Investment Management's 13F filing for Q1 2024, filed 8 May 2024.