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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
CRDF icon
1276
Cardiff Oncology
CRDF
$79.4M
$261K ﹤0.01%
169,575
+37,000
+28% +$89K
MCY icon
1277
Mercury Insurance
MCY
$5.83B
$261K ﹤0.01%
9,173
-556
-6% -$20.2K
EGIO
1278
DELISTED
Edgio, Inc. Common Stock
EGIO
$261K ﹤0.01%
2,343
– –
SIX
1279
DELISTED
Six Flags Entertainment Corp.
SIX
$261K ﹤0.01%
14,767
-2,200
-13% -$49.7K
DXJ icon
1280
WisdomTree Japan Hedged Equity Fund
DXJ
$7.55B
$260K ﹤0.01%
4,212
-810
-16% -$52.1K
IDA icon
1281
Idacorp
IDA
$8.14B
$260K ﹤0.01%
2,631
– –
LBRDK icon
1282
Liberty Broadband Class C
LBRDK
$5.21B
$260K ﹤0.01%
3,528
-812
-19% -$86.4K
VIOO icon
1283
Vanguard S&P Small-Cap 600 ETF
VIOO
$4.34B
$260K ﹤0.01%
3,220
– –
CDXS icon
1284
Codexis
CDXS
$176M
$259K ﹤0.01%
42,668
-6,372
-13% -$51.3K
SUMO
1285
DELISTED
Sumo Logic, Inc. Common Stock
SUMO
$259K ﹤0.01%
34,499
-700
-2% -$5.59K
AXDX
1286
DELISTED
Accelerate Diagnostics
AXDX
$258K ﹤0.01%
16,954
+11,460
+209% +$190K
HRL icon
1287
Hormel Foods
HRL
$13.5B
$258K ﹤0.01%
5,681
-8
-0.1% -$386
W icon
1288
Wayfair
W
$14B
$258K ﹤0.01%
7,915
+587
+8% +$31K
S icon
1289
SentinelOne
S
$7.83B
$256K ﹤0.01%
10,023
– –
TWO
1290
Two Harbors Investment
TWO
$1.26B
$256K ﹤0.01%
19,261
– –
INSM icon
1291
Insmed
INSM
$27.7B
$254K ﹤0.01%
11,806
+377
+3% +$9.04K
RNTX
1292
Rein Therapeutics
RNTX
$68.9M
$254K ﹤0.01%
61,340
+3,911
+7% +$16.5K
DELL icon
1293
Dell
DELL
$322B
$253K ﹤0.01%
7,419
-20
-0.3% -$842
BEAM icon
1294
Beam Therapeutics
BEAM
$2.75B
$252K ﹤0.01%
5,292
-1,000
-16% -$57K
FXI icon
1295
iShares China Large-Cap ETF
FXI
$4.15B
$251K ﹤0.01%
9,704
– –
LDOS icon
1296
Leidos
LDOS
$17.8B
$250K ﹤0.01%
2,860
+630
+28% +$61.5K
CCC
1297
CCC Intelligent Solutions
CCC
$4B
$249K ﹤0.01%
27,400
+3,000
+12% +$28.4K
ERII icon
1298
Energy Recovery
ERII
$396M
$249K ﹤0.01%
+11,457
New +$258K
APTV icon
1299
Aptiv
APTV
$10.1B
$248K ﹤0.01%
3,169
+392
+14% +$37.6K
OBDC icon
1300
Blue Owl Capital
OBDC
$5.85B
$248K ﹤0.01%
23,961
+131
+0.5% +$1.67K
50 51
52
53 54

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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.