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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
SUB icon
576
iShares Short-Term National Muni Bond ETF
SUB
$11.4B
$2.33M 0.01%
22,718
-23,644
-51% -$2.47M
PEN icon
577
Penumbra
PEN
$12.9B
$2.32M 0.01%
12,231
+1,451
+13% +$233K
CLF icon
578
Cleveland-Cliffs
CLF
$6.95B
$2.31M 0.01%
171,636
+2,500
+1% +$41.6K
TT icon
579
Trane Technologies
TT
$106B
$2.31M 0.01%
15,947
-1,744
-10% -$261K
ACWX icon
580
iShares MSCI ACWI ex US ETF
ACWX
$12B
$2.31M 0.01%
57,598
-5,422
-9% -$241K
VDC icon
581
Vanguard Consumer Staples ETF
VDC
$8.02B
$2.27M 0.01%
13,224
-3,169
-19% -$598K
VICI icon
582
VICI Properties
VICI
$29B
$2.27M 0.01%
75,973
-4,706
-6% -$155K
DDOG icon
583
Datadog
DDOG
$89.3B
$2.27M 0.01%
25,536
+13,180
+107% +$1.33M
RY icon
584
Royal Bank of Canada
RY
$298B
$2.27M 0.01%
25,180
+1,574
+7% +$151K
RNG icon
585
RingCentral
RNG
$5.32B
$2.25M 0.01%
56,411
-9,750
-15% -$468K
CHKP icon
586
Check Point Software Technologies
CHKP
$13.3B
$2.25M 0.01%
20,055
-438
-2% -$53K
VOOV icon
587
Vanguard S&P 500 Value ETF
VOOV
$6.8B
$2.25M 0.01%
18,083
-3,556
-16% -$487K
ED icon
588
Consolidated Edison
ED
$40B
$2.24M 0.01%
26,115
+91
+0.3% +$8.78K
DHI icon
589
D.R. Horton
DHI
$41.6B
$2.23M 0.01%
33,101
-1,904
-5% -$140K
ELV icon
590
Elevance Health
ELV
$87B
$2.22M 0.01%
4,693
+295
+7% +$141K
CTLT
591
DELISTED
CATALENT, INC.
CTLT
$2.21M 0.01%
30,602
-434
-1% -$43.1K
LESL icon
592
Leslie's
LESL
$7.02M
$2.21M 0.01%
7,516
-2,142
-22% -$643K
MUB icon
593
iShares National Muni Bond ETF
MUB
$45.9B
$2.21M 0.01%
21,535
-55,392
-72% -$5.89M
PRI icon
594
Primerica
PRI
$9.56B
$2.21M 0.01%
17,869
+9,288
+108% +$1.18M
HCP
595
DELISTED
HashiCorp, Inc. Class A Common Stock
HCP
$2.2M 0.01%
68,429
+21,901
+47% +$756K
IP icon
596
International Paper
IP
$21.8B
$2.2M 0.01%
69,462
-103,302
-60% -$4.22M
CSGS
597
DELISTED
CSG Systems International
CSGS
$2.2M 0.01%
41,612
+1,693
+4% +$98.7K
CERT icon
598
Certara
CERT
$1.21B
$2.19M 0.01%
164,939
-18,743
-10% -$346K
VOT icon
599
Vanguard Morningstar Mid-Cap Growth ETF
VOT
$20.2B
$2.19M 0.01%
12,819
-194
-1% -$36.7K
SMWB icon
600
Similarweb
SMWB
$774M
$2.17M 0.01%
369,466
+55,919
+18% +$463K
22 23
24
25 26

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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.