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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
GTLS
51
DELISTED
Chart Industries
GTLS
$216M 0.56%
1,312,372
-31,643
-2% -$4.25M
APO icon
52
Apollo Global Management
APO
$81.9B
$214M 0.55%
1,904,212
+147,710
+8% +$15.6M
ZTS icon
53
Zoetis
ZTS
$30.4B
$214M 0.55%
1,263,921
+105,234
+9% +$19.7M
TXN icon
54
Texas Instruments
TXN
$253B
$212M 0.55%
1,215,024
+257,370
+27% +$42.9M
LULU icon
55
lululemon athletica
LULU
$13.7B
$210M 0.54%
537,000
+566
+0.1% +$262K
DT icon
56
Dynatrace
DT
$14.3B
$206M 0.53%
4,437,497
-68,085
-2% -$3.55M
EYE icon
57
National Vision
EYE
$1.54B
$197M 0.51%
8,886,190
-953,154
-10% -$20.1M
TYL icon
58
Tyler Technologies
TYL
$13B
$196M 0.51%
461,477
+41,432
+10% +$17.7M
TREX icon
59
Trex
TREX
$5.05B
$195M 0.5%
1,957,167
-56,188
-3% -$5M
LSCC icon
60
Lattice Semiconductor
LSCC
$18.4B
$195M 0.5%
2,494,932
+1,098,962
+79% +$78.6M
TW icon
61
Tradeweb Markets
TW
$21.9B
$190M 0.49%
1,822,551
-123,027
-6% -$12.4M
MRCY icon
62
Mercury Systems
MRCY
$6.7B
$188M 0.49%
6,379,526
-177,246
-3% -$5.34M
PEN icon
63
Penumbra
PEN
$12.9B
$186M 0.48%
833,703
+90,444
+12% +$22.4M
CWAN
64
DELISTED
Clearwater Analytics
CWAN
$183M 0.47%
10,364,266
+3,090,352
+42% +$57.4M
GWRE icon
65
Guidewire Software
GWRE
$14.4B
$183M 0.47%
1,567,653
-748,316
-32% -$85.5M
FIVE icon
66
Five Below
FIVE
$13.2B
$180M 0.46%
990,012
-9,740
-1% -$1.88M
WAL icon
67
Western Alliance Bancorporation
WAL
$9.01B
$179M 0.46%
2,792,947
-156,587
-5% -$9.61M
CF icon
68
CF Industries
CF
$18.2B
$178M 0.46%
2,144,807
-40,981
-2% -$3.27M
EG icon
69
Everest Group
EG
$13.9B
$177M 0.46%
445,654
+26,408
+6% +$9.9M
TENB icon
70
Tenable Holdings
TENB
$4.08B
$173M 0.45%
3,491,301
+585,559
+20% +$27.8M
CCJ icon
71
Cameco
CCJ
$43.1B
$169M 0.44%
3,894,813
-179,277
-4% -$7.86M
NOVT icon
72
Novanta
NOVT
$6.32B
$167M 0.43%
956,073
-10,615
-1% -$1.74M
PODD icon
73
Insulet
PODD
$10.1B
$163M 0.42%
952,268
+33,579
+4% +$6.26M
INSP icon
74
Inspire Medical Systems
INSP
$1.68B
$163M 0.42%
756,811
-50,136
-6% -$9.83M
BPMC
75
DELISTED
Blueprint Medicines
BPMC
$162M 0.42%
1,708,048
-19,797
-1% -$1.7M
1 2
3
4 5

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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.