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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
GPOR icon
226
Gulfport Energy Corp
GPOR
$3B
$33.1M 0.09%
+207,015
New +$28.4M
MYE icon
227
Myers Industries
MYE
$1.23B
$32.9M 0.09%
1,419,865
-199,271
-12% -$3.94M
IPAR icon
228
Interparfums
IPAR
$3.78B
$32.8M 0.08%
233,137
-21,772
-9% -$3.08M
SHOO icon
229
Steven Madden
SHOO
$3.49B
$32.7M 0.08%
773,327
-129,386
-14% -$5.45M
UMH
230
UMH Properties
UMH
$1.39B
$32.6M 0.08%
2,007,864
+10
+0% +$153
BLFS icon
231
BioLife Solutions
BLFS
$1.71B
$32M 0.08%
1,726,712
+13,785
+0.8% +$241K
PPBI
232
DELISTED
Pacific Premier Bancorp
PPBI
$31.9M 0.08%
1,328,776
+477,167
+56% +$12M
MNRO icon
233
Monro
MNRO
$359M
$31.8M 0.08%
1,008,786
+195,955
+24% +$6.06M
ROP icon
234
Roper Technologies
ROP
$39.1B
$31.8M 0.08%
56,613
+655
+1% +$357K
GEF icon
235
Greif
GEF
$5B
$31.7M 0.08%
459,576
-544
-0.1% -$34.7K
CSGS
236
DELISTED
CSG Systems International
CSGS
$31.6M 0.08%
613,541
-487
-0.1% -$25.3K
KFY icon
237
Korn Ferry
KFY
$4.28B
$31.6M 0.08%
479,897
+294
+0.1% +$17.7K
SMP icon
238
Standard Motor Products
SMP
$877M
$31.6M 0.08%
940,411
-946
-0.1% -$34.6K
PRFT
239
DELISTED
Perficient Inc
PRFT
$31.2M 0.08%
554,067
-250
-0% -$16.4K
CALX icon
240
Calix
CALX
$2.51B
$30.6M 0.08%
923,288
-43,343
-4% -$1.62M
TMCI icon
241
Treace Medical Concepts
TMCI
$309M
$30.4M 0.08%
2,329,511
-538,523
-19% -$7.18M
IBN icon
242
ICICI Bank
IBN
$107B
$30M 0.08%
1,136,042
+233,714
+26% +$5.83M
CNM icon
243
Core & Main
CNM
$8.62B
$29.7M 0.08%
+519,315
New +$23.8M
SBCF icon
244
Seacoast Banking Corp of Florida
SBCF
$3.44B
$29.7M 0.08%
1,170,146
+226,132
+24% +$5.7M
WK icon
245
Workiva
WK
$3.7B
$29.6M 0.08%
348,827
+19,940
+6% +$1.8M
THR
246
DELISTED
Thermon Group Holdings
THR
$29.5M 0.08%
901,244
+163,640
+22% +$4.81M
WERN icon
247
Werner Enterprises
WERN
$2.27B
$29.1M 0.08%
743,548
-969
-0.1% -$38.6K
RYZ
248
Ryerson Holding Corp
RYZ
$1.5B
$29M 0.07%
865,464
+6,883
+0.8% +$226K
WSO icon
249
Watsco Inc
WSO
$12.8B
$28.9M 0.07%
66,966
+3,881
+6% +$1.56M
FRME icon
250
First Merchants
FRME
$2.72B
$28.9M 0.07%
826,919
+535
+0.1% +$18.4K
8 9
10
11 12

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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.