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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
+8.67%
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
$23B
AUM Growth
+$1.22B
Cap. Flow
-$156M
Cap. Flow %
-0.68%
Top 10 Hldgs %
22.7%
Holding
1,905
New
81
Increased
568
Reduced
855
Closed
91

Top Buys

Rank Stock Value
1
POOL icon
Pool Corp
POOL
+$43.2M
2
TEAM icon
Atlassian
TEAM
+$36.6M
3
NOVT icon
Novanta
NOVT
+$28.8M
4
PANW icon
Palo Alto Networks
PANW
+$23.2M
5
MSI icon
Motorola Solutions
MSI
+$20.1M

Top Sells

Rank Stock Value
1
ABMD
Abiomed Inc
ABMD
+$103M
2
PYPL icon
PayPal
PYPL
+$28.4M
3
DIS icon
Walt Disney
DIS
+$26.7M
4
KMX icon
CarMax
KMX
+$25.2M
5
CRM icon
Salesforce
CRM
+$24.3M

Sector Composition

Rank Sector Weight
1 Technology 22.31%
2 Healthcare 19.82%
3 Financials 12.49%
4 Industrials 11.58%
5 Consumer Discretionary 8.46%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
OSW icon
1351
OneSpaWorld
OSW
$2.73B
$205K ﹤0.01%
21,930
+1,000
+5% +$9.46K
MAX icon
1352
MediaAlpha
MAX
$794M
$205K ﹤0.01%
20,561
-2,818
-12% -$31.1K
RIVN icon
1353
Rivian
RIVN
$23.1B
$204K ﹤0.01%
11,057
-2,744
-20% -$80.8K
WBS icon
1354
Webster Financial
WBS
$12.8B
$203K ﹤0.01%
+4,298
New +$215K
AZPN
1355
DELISTED
Aspen Technology Inc
AZPN
$203K ﹤0.01%
987
-334
-25% -$77.6K
GPRE icon
1356
Green Plains
GPRE
$1.09B
$202K ﹤0.01%
+6,626
New +$204K
RSPH icon
1357
Invesco S&P 500 Equal Weight Health Care ETF
RSPH
$797M
$202K ﹤0.01%
7,000
-1,000
-13% -$27.9K
IDCC icon
1358
InterDigital
IDCC
$8.84B
$202K ﹤0.01%
+4,080
New +$199K
CDXS icon
1359
Codexis
CDXS
$177M
$199K ﹤0.01%
42,668
– –
VRIG icon
1360
Invesco Variable Rate Investment Grade ETF
VRIG
$1.85B
$196K ﹤0.01%
7,935
– –
XLRE icon
1361
State Street Real Estate Select Sector SPDR ETF
XLRE
$8.65B
$195K ﹤0.01%
5,285
+695
+15% +$25.7K
SNAP icon
1362
Snap
SNAP
$8.78B
$195K ﹤0.01%
21,745
+2,343
+12% +$23.1K
INFY icon
1363
Infosys
INFY
$49.3B
$192K ﹤0.01%
10,687
-7,948
-43% -$148K
EES icon
1364
WisdomTree US SmallCap Earnings Fund
EES
$736M
$191K ﹤0.01%
4,486
-13,100
-74% -$566K
WCLD
1365
WisdomTree Cloud Computing Fund
WCLD
$302M
$191K ﹤0.01%
7,599
– –
EWO icon
1366
iShares MSCI Austria ETF
EWO
$187M
$190K ﹤0.01%
10,000
– –
BV icon
1367
BrightView Holdings
BV
$1.08B
$190K ﹤0.01%
27,550
-8,900
-24% -$68.7K
ETHO icon
1368
Amplify Etho Climate Leadership US ETF
ETHO
$197M
$189K ﹤0.01%
3,824
+423
+12% +$21K
PIE icon
1369
Invesco Dorsey Wright Emerging Markets Momentum ETF
PIE
$250M
$188K ﹤0.01%
10,580
-1,450
-12% -$24.8K
SPYD icon
1370
State Street SPDR Portfolio S&P 500 High Dividend ETF
SPYD
$7.74B
$188K ﹤0.01%
4,744
-245
-5% -$9.58K
KELYA icon
1371
Kelly Services Class A
KELYA
$546M
$186K ﹤0.01%
11,000
– –
NWL icon
1372
Newell Brands
NWL
$2.66B
$184K ﹤0.01%
14,058
-2,480
-15% -$33.9K
TAK icon
1373
Takeda Pharmaceutical
TAK
$55.6B
$184K ﹤0.01%
11,779
+3
+0% +$42
KIE icon
1374
State Street SPDR S&P Insurance ETF
KIE
$676M
$183K ﹤0.01%
4,475
– –
AGL icon
1375
Agilon Health
AGL
$1.47B
$182K ﹤0.01%
+450
New +$211K
53 54
55
56 57

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William Blair & Company's Q4 2022 Portfolio in Review

As of Q4 2022, William Blair & Company held 1,905 positions worth $23B, up 5.6% from $21.8B the previous quarter. Its ten largest holdings account for 23% of the portfolio.

William Blair & Company's Q4 2022 filing shows 81 new, 568 increased, 855 reduced and 91 closed positions. Its largest new stake was Atlassian: 230,078 shares worth $29.6M. The largest sale was Abiomed Inc, an estimated $103M.

By sector, the portfolio is most concentrated in Technology at 22% of assets, down from 23% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q4 2022 buy was Atlassian: 230,078 shares worth $29.6M.
  • William Blair & Company added most to Pool Corp in Q4 2022, an estimated $43.2M increase.
  • William Blair & Company's biggest Q4 2022 reduction was PayPal, cutting an estimated $28.4M.
  • William Blair & Company fully exited Abiomed Inc in Q4 2022, selling an estimated $103M.
  • William Blair & Company's ten largest holdings make up 23% of its $23B portfolio in Q4 2022.
  • William Blair & Company opened 81 new positions and closed 91 in Q4 2022.
  • William Blair & Company's portfolio value rose 5.6% quarter-over-quarter to $23B.

Based on William Blair & Company's 13F filing for Q4 2022, filed 10 Feb 2023.