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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
BLMN icon
176
Bloomin' Brands
BLMN
$975M
$41.5M 0.11%
1,445,290
-144,249
-9% -$3.92M
BOOT icon
177
Boot Barn
BOOT
$4.87B
$41.2M 0.11%
432,902
-15,840
-4% -$1.31M
AMAT icon
178
Applied Materials
AMAT
$435B
$41.1M 0.11%
199,426
+67,398
+51% +$12.4M
ECVT icon
179
Ecovyst
ECVT
$1.09B
$40.7M 0.11%
3,650,404
+334,004
+10% +$3.16M
BRC icon
180
Brady Corp
BRC
$4.48B
$40.6M 0.1%
684,305
-916
-0.1% -$54.6K
CMC icon
181
Commercial Metals
CMC
$8B
$40.5M 0.1%
689,218
+462
+0.1% +$24.5K
WLY icon
182
John Wiley & Sons Class A
WLY
$2.53B
$40.4M 0.1%
1,060,573
+188,211
+22% +$6.44M
CENTA icon
183
Central Garden & Pet Co Class A
CENTA
$2.43B
$40.2M 0.1%
1,090,060
-1,258
-0.1% -$44.6K
HI
184
DELISTED
Hillenbrand
HI
$39.9M 0.1%
793,150
+631
+0.1% +$29.6K
CALM icon
185
Cal-Maine
CALM
$3.86B
$39.6M 0.1%
672,959
-680
-0.1% -$38.7K
BANC icon
186
Banc of California
BANC
$3.1B
$39.2M 0.1%
2,575,930
+762,959
+42% +$10.6M
BDC icon
187
Belden
BDC
$5.39B
$39.1M 0.1%
422,203
+441
+0.1% +$35.9K
TCBI icon
188
Texas Capital Bancshares
TCBI
$4.38B
$38.9M 0.1%
632,506
-3,044
-0.5% -$184K
ABCB icon
189
Ameris Bancorp
ABCB
$5.94B
$38.5M 0.1%
795,869
-533
-0.1% -$25.8K
CTRE icon
190
CareTrust REIT
CTRE
$9.25B
$38.5M 0.1%
1,579,267
-1,713
-0.1% -$38.7K
BERY
191
DELISTED
Berry Global Group, Inc.
BERY
$38.2M 0.1%
687,441
-66,752
-9% -$3.8M
PNFP icon
192
Pinnacle Financial Partners Inc
PNFP
$16.1B
$38M 0.1%
442,340
-327
-0.1% -$27.5K
ESRT icon
193
Empire State Realty Trust
ESRT
$817M
$38M 0.1%
3,749,723
-28,089
-0.7% -$277K
MTG icon
194
MGIC Investment
MTG
$6.29B
$37.9M 0.1%
1,693,320
-144,645
-8% -$2.89M
IDXX icon
195
Idexx Laboratories
IDXX
$45B
$37.3M 0.1%
69,028
+699
+1% +$382K
MTDR icon
196
Matador Resources
MTDR
$6.5B
$37.2M 0.1%
557,222
-947
-0.2% -$56.3K
MMS icon
197
Maximus
MMS
$2.85B
$37.1M 0.1%
441,739
-624
-0.1% -$51.3K
WGO icon
198
Winnebago Industries
WGO
$915M
$37M 0.1%
499,900
-500
-0.1% -$34K
ABM icon
199
ABM Industries
ABM
$2.84B
$36.9M 0.1%
826,513
-570
-0.1% -$23.9K
ELS icon
200
Equity Lifestyle Properties
ELS
$12.4B
$36.8M 0.1%
571,437
-55,806
-9% -$3.74M
6 7
8
9 10

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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.