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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
RELY icon
1376
Remitly
RELY
$5.14B
$182K ﹤0.01%
15,855
– –
OABI icon
1377
OmniAb
OABI
$518M
$180K ﹤0.01%
+50,129
New +$263K
TFI icon
1378
State Street SPDR Nuveen ICE Municipal Bond ETF
TFI
$3.18B
$180K ﹤0.01%
3,944
-2,763
-41% -$124K
BAB icon
1379
Invesco Taxable Municipal Bond ETF
BAB
$1.01B
$180K ﹤0.01%
6,986
– –
IPAY icon
1380
Amplify Mobile Payments ETF
IPAY
$185M
$178K ﹤0.01%
4,543
-219
-5% -$8.69K
XNTK icon
1381
State Street SPDR NYSE Technology ETF
XNTK
$2.28B
$178K ﹤0.01%
1,836
+100
+6% +$9.91K
OSBC icon
1382
Old Second Bancorp
OSBC
$1.32B
$178K ﹤0.01%
11,073
+2
+0% +$32
TIG
1383
DELISTED
Trean Insurance Group, Inc. Common Stock
TIG
$176K ﹤0.01%
29,355
-578,151
-95% -$2.01M
MDYV icon
1384
State Street SPDR S&P 400 Mid Cap Value ETF
MDYV
$2.89B
$175K ﹤0.01%
2,708
+64
+2% +$4.11K
TBF icon
1385
ProShares Short 20+ Year Treasury ETF
TBF
$105M
$175K ﹤0.01%
7,700
-41,250
-84% -$932K
FSLY icon
1386
Fastly Inc
FSLY
$4.5B
$174K ﹤0.01%
21,257
-480
-2% -$4.2K
VMD icon
1387
Viemed Healthcare
VMD
$360M
$174K ﹤0.01%
23,000
– –
XMMO icon
1388
Invesco S&P MidCap Momentum ETF
XMMO
$7.65B
$173K ﹤0.01%
2,300
-1,850
-45% -$142K
MYGN icon
1389
Myriad Genetics
MYGN
$309M
$172K ﹤0.01%
11,866
-3
-0% -$56
AEF
1390
abrdn Emerging Markets Equity Income Fund
AEF
$383M
$169K ﹤0.01%
32,825
-3,270
-9% -$15.9K
BKLN icon
1391
Invesco Senior Loan ETF
BKLN
$6.76B
$167K ﹤0.01%
8,140
+3,173
+64% +$65.8K
SNSR icon
1392
Global X Internet of Things ETF
SNSR
$225M
$167K ﹤0.01%
5,768
– –
CVNA icon
1393
Carvana
CVNA
$81.4B
$167K ﹤0.01%
175,665
-771,700
-81% -$1.63M
DXJ icon
1394
WisdomTree Japan Hedged Equity Fund
DXJ
$7.56B
$166K ﹤0.01%
2,588
-1,624
-39% -$107K
TFPM icon
1395
Triple Flag Precious Metals
TFPM
$6.53B
$165K ﹤0.01%
12,000
– –
GRID
1396
First Trust NASDAQ Clean Edge Smart Grid Infrastructure Index Fund
GRID
$12.3B
$164K ﹤0.01%
1,876
-57
-3% -$4.89K
KD icon
1397
Kyndryl
KD
$2.91B
$164K ﹤0.01%
14,717
-2,325
-14% -$23.4K
GAP
1398
The Gap Inc
GAP
$7.32B
$163K ﹤0.01%
14,451
+458
+3% +$5.48K
PAA icon
1399
Plains All American Pipeline
PAA
$16.5B
$163K ﹤0.01%
13,838
-5,739
-29% -$68K
ICVT icon
1400
iShares Convertible Bond ETF
ICVT
$7.69B
$163K ﹤0.01%
2,341
-2,320
-50% -$163K
54 55
56
57 58

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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.