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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
BAX icon
351
Baxter International
BAX
$13.9B
$873K ﹤0.01%
+20,417
New +$830K
VLTO icon
352
Veralto
VLTO
$23.6B
$754K ﹤0.01%
+8,506
New +$705K
APTV icon
353
Aptiv
APTV
$10.1B
$734K ﹤0.01%
9,217
-2,095
-19% -$169K
PLD icon
354
Prologis
PLD
$134B
$620K ﹤0.01%
4,762
-121,580
-96% -$15.9M
HASI icon
355
Hannon Armstrong Sustainable Infrastructure Capital
HASI
$5.37B
$541K ﹤0.01%
19,062
-592
-3% -$14.8K
INGR icon
356
Ingredion
INGR
$6.54B
$541K ﹤0.01%
4,628
+177
+4% +$19.9K
SNA icon
357
Snap-on
SNA
$21.1B
$524K ﹤0.01%
1,768
-49
-3% -$13.9K
TKR icon
358
Timken Company
TKR
$9.03B
$515K ﹤0.01%
5,896
+213
+4% +$17.6K
USFD icon
359
US Foods
USFD
$24B
$497K ﹤0.01%
+9,216
New +$454K
FLS icon
360
Flowserve
FLS
$10.3B
$494K ﹤0.01%
10,824
-1,266
-10% -$53.3K
ALK icon
361
Alaska Air
ALK
$5.29B
$493K ﹤0.01%
11,470
+436
+4% +$16.3K
MIDD icon
362
Middleby
MIDD
$5.38B
$489K ﹤0.01%
+3,042
New +$448K
HST icon
363
Host Hotels & Resorts
HST
$15.6B
$482K ﹤0.01%
23,302
-1,032
-4% -$20.7K
AXTA icon
364
Axalta
AXTA
$7.98B
$481K ﹤0.01%
13,975
-1,487
-10% -$48.6K
LKQ icon
365
LKQ Corp
LKQ
$6.25B
$477K ﹤0.01%
8,936
+342
+4% +$17K
TAP icon
366
Molson Coors Class B
TAP
$7.75B
$470K ﹤0.01%
6,989
+266
+4% +$16.9K
AGCO icon
367
AGCO
AGCO
$7.11B
$463K ﹤0.01%
3,766
+143
+4% +$16.7K
DAR icon
368
Darling Ingredients
DAR
$10B
$460K ﹤0.01%
9,881
-4,051
-29% -$178K
AYI icon
369
Acuity Brands
AYI
$10.8B
$452K ﹤0.01%
1,683
-772
-31% -$187K
DOX icon
370
Amdocs
DOX
$6.08B
$451K ﹤0.01%
4,993
+191
+4% +$17.4K
HUN icon
371
Huntsman Corp
HUN
$1.78B
$446K ﹤0.01%
17,131
+653
+4% +$16.2K
LH icon
372
Labcorp
LH
$26.2B
$441K ﹤0.01%
2,019
+78
+4% +$17.2K
GOOG icon
373
Alphabet (Google) Class C
GOOG
$4.19T
$440K ﹤0.01%
2,889
-55
-2% -$7.94K
RL icon
374
Ralph Lauren
RL
$23.6B
$436K ﹤0.01%
2,324
-1,554
-40% -$257K
REG icon
375
Regency Centers
REG
$13.9B
$433K ﹤0.01%
7,149
+836
+13% +$51.8K
13 14
15
16 17

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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.