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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
-2.96%
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
$21.8B
AUM Growth
-$767M
Cap. Flow
+$148M
Cap. Flow %
0.68%
Top 10 Hldgs %
23.44%
Holding
1,924
New
62
Increased
766
Reduced
660
Closed
101

Top Sells

Rank Stock Value
1
TEAM icon
Atlassian
TEAM
+$77.8M
2
TREX icon
Trex
TREX
+$39.7M
3
DOCU
DocuSign
DOCU
+$17.2M
4
AKAM icon
Akamai
AKAM
+$16.6M
5
GLD icon
SPDR Gold Trust
GLD
+$13.1M

Sector Composition

Rank Sector Weight
1 Technology 23.15%
2 Healthcare 19.33%
3 Financials 11.9%
4 Industrials 11.25%
5 Consumer Discretionary 9.33%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
SITE icon
351
SiteOne Landscape Supply
SITE
$4.22B
$6.86M 0.03%
65,851
+269
+0.4% +$33.7K
JMST icon
352
JPMorgan Ultra-Short Municipal Income ETF
JMST
$7.15B
$6.83M 0.03%
135,837
-99,564
-42% -$5.03M
AKAM icon
353
Akamai
AKAM
$17.6B
$6.8M 0.03%
84,670
-182,708
-68% -$16.6M
VBR icon
354
Vanguard Morningstar Small-Cap Value ETF
VBR
$38.1B
$6.78M 0.03%
47,298
+268
+0.6% +$42.6K
WCN
355
Waste Connections
WCN
$41.6B
$6.74M 0.03%
49,886
+7,214
+17% +$984K
CMCSA icon
356
Comcast
CMCSA
$90.4B
$6.73M 0.03%
229,513
-18,952
-8% -$709K
TAN icon
357
Invesco Solar ETF
TAN
$1.37B
$6.72M 0.03%
91,293
+29,216
+47% +$2.36M
IWO icon
358
iShares Russell 2000 Growth ETF
IWO
$15B
$6.67M 0.03%
32,280
-630
-2% -$142K
PH icon
359
Parker-Hannifin
PH
$135B
$6.64M 0.03%
27,425
+1,469
+6% +$398K
GSHD icon
360
Goosehead Insurance
GSHD
$2.33B
$6.63M 0.03%
185,885
-29,785
-14% -$1.55M
LAZR
361
DELISTED
Luminar Technologies
LAZR
$6.61M 0.03%
60,506
+2,200
+4% +$263K
TEL icon
362
TE Connectivity
TEL
$62B
$6.57M 0.03%
59,498
+7,146
+14% +$889K
SO icon
363
Southern Company
SO
$106B
$6.52M 0.03%
95,820
+19
+0% +$1.44K
ROKU icon
364
Roku
ROKU
$22.5B
$6.48M 0.03%
114,898
-10,515
-8% -$800K
MET icon
365
MetLife
MET
$61.4B
$6.46M 0.03%
106,254
-423
-0.4% -$27K
USMV icon
366
iShares MSCI USA Min Vol Factor ETF
USMV
$24.4B
$6.44M 0.03%
97,430
-2,716
-3% -$196K
ICLR icon
367
Icon
ICLR
$12.9B
$6.32M 0.03%
34,362
-206
-0.6% -$44.8K
ETN icon
368
Eaton
ETN
$179B
$6.29M 0.03%
47,197
-2,098
-4% -$294K
GDX icon
369
VanEck Gold Miners ETF
GDX
$27.8B
$6.29M 0.03%
260,717
+2,350
+0.9% +$59.4K
BP icon
370
BP
BP
$111B
$6.25M 0.03%
218,971
-7,037
-3% -$209K
UL icon
371
Unilever
UL
$133B
$6.15M 0.03%
124,750
-9,663
-7% -$505K
PHO icon
372
Invesco Water Resources ETF
PHO
$2.06B
$6.05M 0.03%
132,257
+501
+0.4% +$25K
VB icon
373
Vanguard Morningstar Small-Cap ETF
VB
$83B
$5.92M 0.03%
34,655
-2,558
-7% -$483K
ADI icon
374
Analog Devices
ADI
$187B
$5.87M 0.03%
42,146
+1,873
+5% +$296K
JBHT icon
375
JB Hunt Transport Services
JBHT
$25.9B
$5.81M 0.03%
37,126
-1,085
-3% -$189K

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William Blair & Company's Q3 2022 Portfolio in Review

As of Q3 2022, William Blair & Company held 1,924 positions worth $21.8B, down 3.4% from $22.5B the previous quarter. Its ten largest holdings account for 23% of the portfolio.

William Blair & Company's Q3 2022 filing shows 62 new, 766 increased, 660 reduced and 101 closed positions. Its largest new stake was GSK: 37,792 shares worth $1.11M. The largest sale was Atlassian, an estimated $77.8M.

By sector, the portfolio is most concentrated in Technology at 23% of assets, down from 24% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q3 2022 buy was GSK: 37,792 shares worth $1.11M.
  • William Blair & Company added most to Watsco Inc in Q3 2022, an estimated $31.3M increase.
  • William Blair & Company's biggest Q3 2022 reduction was Trex, cutting an estimated $39.7M.
  • William Blair & Company fully exited Atlassian in Q3 2022, selling an estimated $77.8M.
  • William Blair & Company's ten largest holdings make up 23% of its $21.8B portfolio in Q3 2022.
  • William Blair & Company opened 62 new positions and closed 101 in Q3 2022.
  • William Blair & Company's portfolio value fell 3.4% quarter-over-quarter to $21.8B.

Based on William Blair & Company's 13F filing for Q3 2022, filed 9 Nov 2022.