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William Blair & Company

William Blair & Company Portfolio holdings

AUM $38.4B
1-Year Est. Return 25.71%
This Fund
S&P 500
This Quarter Est. Return
-3.85%
1 Year Est. Return
+25.71%
3 Year Est. Return
+88.7%
5 Year Est. Return
+104.53%
10 Year Est. Return
+665.86%
AUM
$26.1B
AUM Growth
-$1.22B
Cap. Flow
+$114M
Cap. Flow %
0.44%
Top 10 Hldgs %
23.71%
Holding
1,877
New
67
Increased
674
Reduced
719
Closed
85

Top Buys

Rank Stock Value
1
KVUE icon
Kenvue
KVUE
+$32.2M
2
LZ icon
LegalZoom.com
LZ
+$26.6M
3
CRWD icon
CrowdStrike
CRWD
+$24M
4
CSGP icon
CoStar Group
CSGP
+$20.8M
5
GNRC icon
Generac Holdings
GNRC
+$18.3M

Top Sells

Rank Stock Value
1
AAPL icon
Apple
AAPL
+$37.6M
2
PODD icon
Insulet
PODD
+$37.3M
3
NVDA icon
NVIDIA
NVDA
+$24.8M
4
ATVI
Activision Blizzard
ATVI
+$20.6M
5
SBUX icon
Starbucks
SBUX
+$17.8M

Sector Composition

Rank Sector Weight
1 Technology 25.36%
2 Healthcare 17.61%
3 Financials 12.07%
4 Industrials 11.66%
5 Consumer Discretionary 8.39%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
ADI icon
351
Analog Devices
ADI
$187B
$7.71M 0.03%
44,021
+25
+0.1% +$4.61K
GXO icon
352
GXO Logistics
GXO
$5.52B
$7.69M 0.03%
131,068
+2,396
+2% +$150K
VUSB icon
353
Vanguard Ultra-Short Bond ETF
VUSB
$9.33B
$7.67M 0.03%
155,976
-8,377
-5% -$412K
MPC icon
354
Marathon Petroleum
MPC
$97.8B
$7.62M 0.03%
50,380
-783
-2% -$109K
U icon
355
Unity
U
$19.6B
$7.59M 0.03%
241,842
+2,823
+1% +$109K
COP icon
356
ConocoPhillips
COP
$153B
$7.52M 0.03%
62,797
+122
+0.2% +$14.2K
CNI icon
357
Canadian National Railway
CNI
$76.4B
$7.48M 0.03%
69,050
-974
-1% -$112K
IWO icon
358
iShares Russell 2000 Growth ETF
IWO
$15B
$7.35M 0.03%
32,793
+1,670
+5% +$400K
ADM icon
359
Archer Daniels Midland
ADM
$38.4B
$7.29M 0.03%
96,643
-13,334
-12% -$1.08M
CB icon
360
Chubb
CB
$132B
$7.29M 0.03%
34,995
-3,243
-8% -$656K
PHO icon
361
Invesco Water Resources ETF
PHO
$2.06B
$7.26M 0.03%
136,499
+4,068
+3% +$228K
LNG icon
362
Cheniere Energy
LNG
$55.4B
$7.23M 0.03%
43,575
+332
+0.8% +$53.6K
IWN icon
363
iShares Russell 2000 Value ETF
IWN
$14.6B
$7.16M 0.03%
52,798
+5,993
+13% +$859K
CP icon
364
Canadian Pacific Kansas City
CP
$81.5B
$7.04M 0.03%
94,632
-1,543
-2% -$122K
AMN icon
365
AMN Healthcare
AMN
$1.26B
$7.03M 0.03%
82,496
+128
+0.2% +$12.1K
STZ icon
366
Constellation Brands
STZ
$22.9B
$6.97M 0.03%
27,746
-3,335
-11% -$871K
JBHT icon
367
JB Hunt Transport Services
JBHT
$25.9B
$6.92M 0.03%
36,707
-78
-0.2% -$15K
AMK
368
DELISTED
AssetMark Financial Holdings, Inc.
AMK
$6.88M 0.03%
274,157
-50,233
-15% -$1.43M
UL icon
369
Unilever
UL
$133B
$6.87M 0.03%
123,574
-398
-0.3% -$23K
HUBB icon
370
Hubbell
HUBB
$27.1B
$6.86M 0.03%
21,901
-663
-3% -$211K
CHWY icon
371
Chewy
CHWY
$9.15B
$6.86M 0.03%
375,429
-25,877
-6% -$740K
SRPT icon
372
Sarepta Therapeutics
SRPT
$1.94B
$6.83M 0.03%
56,365
+9,370
+20% +$1.06M
DVN icon
373
Devon Energy
DVN
$49.3B
$6.8M 0.03%
142,617
-20,478
-13% -$1.03M
USMV icon
374
iShares MSCI USA Min Vol Factor ETF
USMV
$24.4B
$6.8M 0.03%
93,902
-415
-0.4% -$30.9K
CHD icon
375
Church & Dwight Co
CHD
$24B
$6.78M 0.03%
73,979
+590
+0.8% +$56.5K
13 14
15
16 17

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William Blair & Company's Q3 2023 Portfolio in Review

As of Q3 2023, William Blair & Company held 1,877 positions worth $26.1B, down 4.5% from $27.3B the previous quarter. Its ten largest holdings account for 24% of the portfolio.

William Blair & Company's Q3 2023 filing shows 67 new, 674 increased, 719 reduced and 85 closed positions. Its largest new stake was Kenvue: 1,391,743 shares worth $27.9M. The largest sale was Apple, an estimated $37.6M.

By sector, the portfolio is most concentrated in Technology at 25% of assets, down from 26% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q3 2023 buy was Kenvue: 1,391,743 shares worth $27.9M.
  • William Blair & Company added most to LegalZoom.com in Q3 2023, an estimated $26.6M increase.
  • William Blair & Company's biggest Q3 2023 reduction was Apple, cutting an estimated $37.6M.
  • William Blair & Company fully exited Activision Blizzard in Q3 2023, selling an estimated $20.6M.
  • William Blair & Company's ten largest holdings make up 24% of its $26.1B portfolio in Q3 2023.
  • William Blair & Company opened 67 new positions and closed 85 in Q3 2023.
  • William Blair & Company's portfolio value fell 4.5% quarter-over-quarter to $26.1B.

Based on William Blair & Company's 13F filing for Q3 2023, filed 9 Nov 2023.