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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
POWI icon
301
Power Integrations
POWI
$3.57B
$21.2M 0.05%
295,981
+9,796
+3% +$731K
ADT icon
302
ADT
ADT
$5.34B
$20.7M 0.05%
3,078,936
-298,933
-9% -$1.99M
PLOW icon
303
Douglas Dynamics
PLOW
$981M
$20.5M 0.05%
848,403
+6,634
+0.8% +$168K
OSW icon
304
OneSpaWorld
OSW
$2.7B
$19.5M 0.05%
1,470,911
+8,389
+0.6% +$113K
AUDC icon
305
AudioCodes
AUDC
$257M
$18.3M 0.05%
1,399,558
+2,396
+0.2% +$30.6K
OABI icon
306
OmniAb
OABI
$497M
$18.2M 0.05%
3,364,346
+27,105
+0.8% +$156K
COCO icon
307
Vita Coco
COCO
$3.85B
$17.2M 0.04%
704,899
+4,895
+0.7% +$114K
KRNT icon
308
Kornit Digital
KRNT
$817M
$16.9M 0.04%
931,706
+35,930
+4% +$629K
GOGO icon
309
Gogo Inc
GOGO
$383M
$16.9M 0.04%
1,921,355
+15,559
+0.8% +$140K
VCYT icon
310
Veracyte
VCYT
$3.59B
$16.4M 0.04%
741,651
+6,574
+0.9% +$160K
FMC icon
311
FMC
FMC
$1.28B
$16.3M 0.04%
255,851
-25,402
-9% -$1.48M
ASR icon
312
Grupo Aeroportuario del Sureste
ASR
$8.24B
$16.3M 0.04%
51,073
+17
+0% +$5.01K
WNS
313
DELISTED
WNS Holdings
WNS
$16.2M 0.04%
320,863
+44,627
+16% +$2.69M
MIRM icon
314
Mirum Pharmaceuticals
MIRM
$6.04B
$15.8M 0.04%
627,272
+5,494
+0.9% +$151K
CIGI icon
315
Colliers International
CIGI
$5.15B
$14.1M 0.04%
115,699
+563
+0.5% +$66.8K
LGND icon
316
Ligand Pharmaceuticals
LGND
$5.85B
$13.8M 0.04%
189,247
+1,905
+1% +$140K
LOCO icon
317
El Pollo Loco
LOCO
$463M
$13.8M 0.04%
1,416,754
-260
-0% -$2.34K
SHC icon
318
Sotera Health
SHC
$5.39B
$13.5M 0.03%
1,124,748
-987,249
-47% -$14.7M
ABT icon
319
Abbott
ABT
$192B
$13M 0.03%
114,662
+18,711
+20% +$2.14M
KO icon
320
Coca-Cola
KO
$373B
$12.7M 0.03%
207,956
+31,397
+18% +$1.89M
IWO icon
321
iShares Russell 2000 Growth ETF
IWO
$15B
$12.2M 0.03%
44,939
+2,194
+5% +$561K
SITM icon
322
SiTime
SITM
$20.5B
$12M 0.03%
128,450
+19,461
+18% +$2.05M
VIST icon
323
Vista Energy
VIST
$7.32B
$11.1M 0.03%
+268,698
New +$9.34M
VTMX icon
324
Vesta Real Estate
VTMX
$3.21B
$11M 0.03%
281,570
-4,230
-1% -$158K
ARCO icon
325
Arcos Dorados Holdings
ARCO
$1.66B
$10.6M 0.03%
953,822
-408,130
-30% -$4.85M
11 12
13
14 15

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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.