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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
+3.6%
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
$38.1B
AUM Growth
-$567M
Cap. Flow
-$555M
Cap. Flow %
-1.46%
Top 10 Hldgs %
28.43%
Holding
458
New
48
Increased
125
Reduced
209
Closed
47

Top Buys

Rank Stock Value
1
AAPL icon
Apple
AAPL
+$739M
2
EXAS
Exact Sciences
EXAS
+$213M
3
CFLT
Confluent
CFLT
+$188M
4
SN icon
SharkNinja
SN
+$179M
5
PLNT icon
Planet Fitness
PLNT
+$147M

Sector Composition

Rank Sector Weight
1 Technology 34.09%
2 Consumer Discretionary 14.21%
3 Healthcare 13.5%
4 Industrials 11.25%
5 Financials 8.95%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
SLGN icon
401
Silgan Holdings
SLGN
$4.3B
$221K ﹤0.01%
5,229
FANG icon
402
Diamondback Energy
FANG
$56.2B
$221K ﹤0.01%
1,105
ETR icon
403
Entergy
ETR
$50.3B
$217K ﹤0.01%
4,048
ACGL icon
404
Arch Capital
ACGL
$33.2B
$214K ﹤0.01%
+2,117
New +$206K
HIG icon
405
Hartford Financial Services
HIG
$37.7B
$212K ﹤0.01%
2,107
VTRS icon
406
Viatris
VTRS
$18.5B
$212K ﹤0.01%
19,922
HPE icon
407
Hewlett Packard
HPE
$77.9B
$209K ﹤0.01%
9,868
-2,112
-18% -$38.9K
PPL
408
PPL Corp
PPL
$26.7B
$208K ﹤0.01%
7,531
PSX icon
409
Phillips 66
PSX
$90B
$202K ﹤0.01%
1,428
HBAN icon
410
Huntington Bancshares
HBAN
$36.1B
$166K ﹤0.01%
12,606
EFA icon
411
iShares MSCI EAFE ETF
EFA
$80.2B
$68.4K ﹤0.01%
873
+675
+341% +$53.5K
AFG icon
412
American Financial Group
AFG
$12B
-1,470
Closed -$201K
ARCO icon
413
Arcos Dorados Holdings
ARCO
$1.66B
-953,822
Closed -$10.6M
AYI icon
414
Acuity Brands
AYI
$10.8B
-1,683
Closed -$452K
BLD
415
DELISTED
TopBuild
BLD
-357,008
Closed -$157M
BWA icon
416
BorgWarner
BWA
$14B
-12,321
Closed -$428K
CALX icon
417
Calix
CALX
$2.51B
-923,288
Closed -$30.6M
CART icon
418
Maplebear
CART
$11.2B
-23,752
Closed -$886K
CBZ icon
419
CBIZ
CBZ
$2.96B
-329,557
Closed -$25.9M
CHX
420
DELISTED
ChampionX
CHX
-970,561
Closed -$34.8M
CNC icon
421
Centene
CNC
$33.1B
-2,692
Closed -$211K
CNYA icon
422
iShares MSCI China A ETF
CNYA
$208M
-34,577
Closed -$897K
COR icon
423
Cencora
COR
$59.9B
-930
Closed -$226K
CRL icon
424
Charles River Laboratories
CRL
$13.6B
-364,614
Closed -$98.8M
CTSH icon
425
Cognizant
CTSH
$26.2B
-2,936
Closed -$215K

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William Blair Investment Management's Q2 2024 Portfolio in Review

As of Q2 2024, William Blair Investment Management held 458 positions worth $38.1B, down 1.5% from $38.7B the previous quarter. Its ten largest holdings account for 28% of the portfolio.

William Blair Investment Management's Q2 2024 filing shows 48 new, 125 increased, 209 reduced and 47 closed positions. Its largest new stake was Apple: 3,961,485 shares worth $834M. The largest sale was Super Micro Computer, an estimated $228M.

By sector, the portfolio is most concentrated in Technology at 34% of assets, up from 30% a quarter earlier, followed by Consumer Discretionary and Healthcare.

  • William Blair Investment Management's largest Q2 2024 buy was Apple: 3,961,485 shares worth $834M.
  • William Blair Investment Management added most to Uber in Q2 2024, an estimated $124M increase.
  • William Blair Investment Management's biggest Q2 2024 reduction was CRH, cutting an estimated $217M.
  • William Blair Investment Management fully exited Super Micro Computer in Q2 2024, selling an estimated $228M.
  • William Blair Investment Management's ten largest holdings make up 28% of its $38.1B portfolio in Q2 2024.
  • William Blair Investment Management opened 48 new positions and closed 47 in Q2 2024.
  • William Blair Investment Management's portfolio value fell 1.5% quarter-over-quarter to $38.1B.

Based on William Blair Investment Management's 13F filing for Q2 2024, filed 8 Aug 2024.