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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
USIG icon
1401
iShares Broad USD Investment Grade Corporate Bond ETF
USIG
$17.4B
$162K ﹤0.01%
3,299
-11,679
-78% -$569K
PFFD icon
1402
Global X US Preferred ETF
PFFD
$2.18B
$162K ﹤0.01%
8,352
+1
+0% +$20
EMLP icon
1403
First Trust North American Energy Infrastructure Fund
EMLP
$4.17B
$161K ﹤0.01%
6,037
-717
-11% -$19K
RNTX
1404
Rein Therapeutics
RNTX
$70.4M
$161K ﹤0.01%
67,867
+6,527
+11% +$21.9K
MKC.V icon
1405
McCormick & Company Voting
MKC.V
$14.6B
$160K ﹤0.01%
1,943
– –
TILT icon
1406
FlexShares Morningstar US Market Factors Tilt Index Fund
TILT
$2.26B
$158K ﹤0.01%
1,063
– –
IXN icon
1407
iShares Global Tech ETF
IXN
$9.49B
$157K ﹤0.01%
3,502
-3,483
-50% -$159K
SURG icon
1408
SurgePays
SURG
$6.96M
$156K ﹤0.01%
23,827
+6,078
+34% +$36.7K
CCL icon
1409
Carnival Corporation Ltd
CCL
$38.9B
$156K ﹤0.01%
19,385
-2,313
-11% -$19.9K
FIP icon
1410
FTAI Infrastructure
FIP
$546M
$156K ﹤0.01%
+52,948
New +$146K
GVI icon
1411
iShares Intermediate Government/Credit Bond ETF
GVI
$3.8B
$156K ﹤0.01%
1,519
-100
-6% -$10.2K
EMB icon
1412
iShares JPMorgan USD Emerging Markets Bond ETF
EMB
$15B
$153K ﹤0.01%
1,809
-389
-18% -$32.2K
EWH icon
1413
iShares MSCI Hong Kong ETF
EWH
$1.21B
$152K ﹤0.01%
7,220
-2,171
-23% -$41.5K
RGT
1414
Royce Global Value Trust
RGT
$101M
$150K ﹤0.01%
17,395
-125
-0.7% -$1.1K
TIPX icon
1415
State Street SPDR Bloomberg 1-10 Year TIPS ETF
TIPX
$2.04B
$145K ﹤0.01%
7,882
+7,482
+1,871% +$138K
EWT icon
1416
iShares MSCI Taiwan ETF
EWT
$11.6B
$145K ﹤0.01%
3,610
-300
-8% -$13.4K
RWX icon
1417
State Street SPDR Dow Jones International Real Estate ETF
RWX
$268M
$144K ﹤0.01%
5,386
-13,223
-71% -$338K
PMT
1418
PennyMac Mortgage Investment
PMT
$835M
$144K ﹤0.01%
+11,591
New +$158K
SHE icon
1419
State Street SPDR MSCI USA Gender Diversity ETF
SHE
$337M
$142K ﹤0.01%
1,806
+114
+7% +$9K
PCY icon
1420
Invesco Emerging Markets Sovereign Debt ETF
PCY
$1.4B
$142K ﹤0.01%
7,585
-25
-0.3% -$452
DXYN
1421
DELISTED
Dixie Group Inc
DXYN
$141K ﹤0.01%
179,608
– –
HTZ icon
1422
Hertz
HTZ
$1.04B
$140K ﹤0.01%
9,093
+1,235
+16% +$20.8K
IEV icon
1423
iShares Europe ETF
IEV
$1.7B
$140K ﹤0.01%
3,087
-4,861
-61% -$209K
IDU icon
1424
iShares US Utilities ETF
IDU
$1.38B
$139K ﹤0.01%
1,601
– –
CNYA icon
1425
iShares MSCI China A ETF
CNYA
$207M
$138K ﹤0.01%
4,433
-2,043
-32% -$62.8K
55 56
57
58 59

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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.