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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 Buys

Rank Stock Value
1
WSO icon
Watsco Inc
WSO
+$31.3M
2
TYL icon
Tyler Technologies
TYL
+$24.6M
3
DHR icon
Danaher
DHR
+$22.7M
4
IRTC icon
iRhythm Holdings
IRTC
+$20.9M
5
USFR icon
WisdomTree Floating Rate Treasury Fund
USFR
+$20.8M

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
IHI icon
476
iShares US Medical Devices ETF
IHI
$3.48B
$3.72M 0.02%
78,789
+2,987
+4% +$155K
WEC icon
477
WEC Energy
WEC
$35.6B
$3.7M 0.02%
41,423
+1,121
+3% +$115K
AIG icon
478
American International
AIG
$39.8B
$3.7M 0.02%
77,926
-3,838
-5% -$202K
SWIR
479
DELISTED
Sierra Wireless
SWIR
$3.63M 0.02%
119,210
+58,855
+98% +$1.69M
SNOW icon
480
Snowflake
SNOW
$115B
$3.61M 0.02%
21,232
+3,149
+17% +$521K
PPG icon
481
PPG Industries
PPG
$25.5B
$3.6M 0.02%
32,554
-592
-2% -$73.2K
OSH
482
DELISTED
Oak Street Health, Inc.
OSH
$3.6M 0.02%
146,672
-39,674
-21% -$1.05M
VTIP icon
483
Vanguard Short-Term Inflation-Protected Securities Index Fund
VTIP
$19.8B
$3.59M 0.02%
74,538
-7,625
-9% -$378K
HAL icon
484
Halliburton
HAL
$27.7B
$3.57M 0.02%
144,969
+3,929
+3% +$112K
CRWD icon
485
CrowdStrike
CRWD
$226B
$3.56M 0.02%
86,392
+3,292
+4% +$151K
SOXX icon
486
iShares Semiconductor ETF
SOXX
$46.2B
$3.52M 0.02%
33,144
+471
+1% +$59.1K
ICLN icon
487
iShares Global Clean Energy ETF
ICLN
$2.12B
$3.51M 0.02%
183,751
-958
-0.5% -$20.4K
AEP icon
488
American Electric Power
AEP
$67.9B
$3.5M 0.02%
40,489
-2,051
-5% -$203K
RPAY icon
489
Repay Holdings
RPAY
$311M
$3.5M 0.02%
495,355
-151,289
-23% -$1.65M
CP icon
490
Canadian Pacific Kansas City
CP
$81.5B
$3.48M 0.02%
52,203
+6,958
+15% +$525K
BIDU icon
491
Baidu
BIDU
$35.6B
$3.48M 0.02%
29,592
+360
+1% +$49.2K
SU icon
492
Suncor Energy
SU
$74.7B
$3.48M 0.02%
123,533
+4,606
+4% +$146K
VYMI icon
493
Vanguard International High Dividend Yield ETF
VYMI
$21.3B
$3.43M 0.02%
65,855
-7,715
-10% -$445K
ENS icon
494
EnerSys
ENS
$6.81B
$3.42M 0.02%
58,822
-11,769
-17% -$749K
WTFC icon
495
Wintrust Financial
WTFC
$11B
$3.42M 0.02%
41,948
+13,097
+45% +$1.11M
BMRN icon
496
BioMarin Pharmaceuticals
BMRN
$13.6B
$3.42M 0.02%
40,298
-2,527
-6% -$225K
CNC icon
497
Centene
CNC
$33.1B
$3.41M 0.02%
43,865
+598
+1% +$53.4K
GM icon
498
General Motors
GM
$76.1B
$3.4M 0.02%
106,097
-49,338
-32% -$1.81M
XLI icon
499
State Street Industrial Select Sector SPDR ETF
XLI
$34.7B
$3.4M 0.02%
41,090
+259
+0.6% +$23.8K
IGSB icon
500
iShares 1-5 Year Investment Grade Corporate Bond ETF
IGSB
$23.3B
$3.4M 0.02%
69,000
+28,716
+71% +$1.45M
18 19
20
21 22

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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.