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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
+8.82%
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
$40.5B
AUM Growth
+$2.41B
Cap. Flow
+$166M
Cap. Flow %
0.41%
Top 10 Hldgs %
26.88%
Holding
451
New
40
Increased
141
Reduced
231
Closed
39

Sector Composition

Rank Sector Weight
1 Technology 34.33%
2 Consumer Discretionary 14.81%
3 Healthcare 14.4%
4 Financials 10.44%
5 Industrials 9.94%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
WTW icon
401
Willis Towers Watson
WTW
$31.6B
$235K ﹤0.01%
799
-144
-15% -$40.3K
PPL
402
PPL Corp
PPL
$26.7B
$235K ﹤0.01%
7,098
-433
-6% -$13.2K
HIG icon
403
Hartford Financial Services
HIG
$37.7B
$234K ﹤0.01%
1,986
-121
-6% -$13.3K
VICI icon
404
VICI Properties
VICI
$28.7B
$217K ﹤0.01%
+6,512
New +$206K
CNC icon
405
Centene
CNC
$33.1B
$214K ﹤0.01%
+2,840
New +$208K
CTSH icon
406
Cognizant
CTSH
$26.2B
$214K ﹤0.01%
+2,767
New +$206K
ETR icon
407
Entergy
ETR
$50.3B
$211K ﹤0.01%
3,200
-848
-21% -$50K
JCI icon
408
Johnson Controls International
JCI
$92.6B
$211K ﹤0.01%
+2,713
New +$190K
AFG icon
409
American Financial Group
AFG
$12B
$203K ﹤0.01%
+1,507
New +$195K
EYE icon
410
National Vision
EYE
$1.56B
$191K ﹤0.01%
17,521
-6,377,860
-100% -$74.4M
HBAN icon
411
Huntington Bancshares
HBAN
$36.1B
$175K ﹤0.01%
11,882
-724
-6% -$10.3K
EFA icon
412
iShares MSCI EAFE ETF
EFA
$80.2B
$30.2K ﹤0.01%
361
-512
-59% -$41.2K
AAP icon
413
Advance Auto Parts
AAP
$3.23B
-4,506
Closed -$285K
ADSK icon
414
Autodesk
ADSK
$52.7B
-106,611
Closed -$26.4M
APTV icon
415
Aptiv
APTV
$10.1B
-5,935
Closed -$418K
ATKR icon
416
Atkore
ATKR
$3.17B
-395,388
Closed -$53.3M
AXON
417
Axon Enterprise
AXON
$48.7B
-716,967
Closed -$211M
BLDR icon
418
Builders FirstSource
BLDR
$7.79B
-1,051,461
Closed -$146M
CALM icon
419
Cal-Maine
CALM
$3.86B
-671,686
Closed -$41M
CNI icon
420
Canadian National Railway
CNI
$76.4B
-543,070
Closed -$64.2M
CNM icon
421
Core & Main
CNM
$8.62B
-522,412
Closed -$25.6M
ENTG icon
422
Entegris
ENTG
$24.6B
-726,745
Closed -$98.4M
FANG icon
423
Diamondback Energy
FANG
$56.2B
-1,105
Closed -$221K
FIVE icon
424
Five Below
FIVE
$13.2B
-33,798
Closed -$3.68M
GLDD
425
DELISTED
Great Lakes Dredge & Dock
GLDD
-2,444,361
Closed -$21.5M

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William Blair Investment Management's Q3 2024 Portfolio in Review

As of Q3 2024, William Blair Investment Management held 451 positions worth $40.5B, up 6.3% from $38.1B the previous quarter. Its ten largest holdings account for 27% of the portfolio.

William Blair Investment Management's Q3 2024 filing shows 40 new, 141 increased, 231 reduced and 39 closed positions. Its largest new stake was nVent Electric: 2,380,715 shares worth $167M. The largest sale was Alphabet (Google) Class A, an estimated $1.17B.

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

  • William Blair Investment Management's largest Q3 2024 buy was nVent Electric: 2,380,715 shares worth $167M.
  • William Blair Investment Management added most to Meta Platforms (Facebook) in Q3 2024, an estimated $732M increase.
  • William Blair Investment Management's biggest Q3 2024 reduction was Alphabet (Google) Class A, cutting an estimated $1.17B.
  • William Blair Investment Management fully exited Axon Enterprise in Q3 2024, selling an estimated $211M.
  • William Blair Investment Management's ten largest holdings make up 27% of its $40.5B portfolio in Q3 2024.
  • William Blair Investment Management opened 40 new positions and closed 39 in Q3 2024.
  • William Blair Investment Management's portfolio value rose 6.3% quarter-over-quarter to $40.5B.

Based on William Blair Investment Management's 13F filing for Q3 2024, filed 8 Nov 2024.