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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
LFUS icon
426
Littelfuse
LFUS
$11.7B
$4.98M 0.02%
22,612
– –
FCX icon
427
Freeport-McMoran
FCX
$96.9B
$4.97M 0.02%
130,769
+17,149
+15% +$599K
MANH icon
428
Manhattan Associates
MANH
$11.2B
$4.93M 0.02%
40,620
+38,160
+1,551% +$4.69M
EFV icon
429
iShares MSCI EAFE Value ETF
EFV
$30.1B
$4.93M 0.02%
107,482
+61,602
+134% +$2.67M
JCI icon
430
Johnson Controls International
JCI
$92.6B
$4.87M 0.02%
76,053
+64,064
+534% +$3.92M
HEFA icon
431
iShares Currency Hedged MSCI EAFE ETF
HEFA
$7.79B
$4.84M 0.02%
179,267
+4,550
+3% +$139K
MXL icon
432
MaxLinear
MXL
$6.74B
$4.84M 0.02%
142,475
-1,751
-1% -$59.3K
BLBD icon
433
Blue Bird Corp
BLBD
$2.04B
$4.78M 0.02%
446,674
+1,250
+0.3% +$12.6K
ALL icon
434
Allstate
ALL
$64.7B
$4.77M 0.02%
35,196
+770
+2% +$101K
KAI icon
435
Kadant
KAI
$3.94B
$4.76M 0.02%
26,803
+19,005
+244% +$3.38M
UNF icon
436
Unifirst Corp
UNF
$5.24B
$4.74M 0.02%
24,537
-3,733
-13% -$683K
GSHD icon
437
Goosehead Insurance
GSHD
$2.33B
$4.71M 0.02%
137,188
-48,697
-26% -$1.82M
BKNG icon
438
Booking.com
BKNG
$159B
$4.66M 0.02%
57,800
+575
+1% +$43.7K
RHI icon
439
Robert Half
RHI
$4.25B
$4.65M 0.02%
63,039
-3,968
-6% -$303K
FLOT icon
440
iShares Floating Rate Bond ETF
FLOT
$10.5B
$4.62M 0.02%
91,756
– –
CACC icon
441
Credit Acceptance
CACC
$5.99B
$4.61M 0.02%
9,726
– –
BBY icon
442
Best Buy
BBY
$17.5B
$4.6M 0.02%
57,311
-2,827
-5% -$208K
DFS
443
DELISTED
Discover Financial Services
DFS
$4.57M 0.02%
46,751
-582
-1% -$58.6K
INCY icon
444
Incyte
INCY
$24.5B
$4.51M 0.02%
56,096
+39,162
+231% +$3M
VLO icon
445
Valero Energy
VLO
$95.1B
$4.48M 0.02%
35,328
+4,013
+13% +$504K
BN icon
446
Brookfield
BN
$110B
$4.45M 0.02%
212,163
-58,039
-21% -$1.3M
RH icon
447
RH
RH
$3.41B
$4.44M 0.02%
16,621
+32
+0.2% +$8.34K
ET icon
448
Energy Transfer Partners
ET
$72.1B
$4.42M 0.02%
372,000
+5,090
+1% +$61.1K
ASML icon
449
ASML
ASML
$695B
$4.41M 0.02%
8,065
+622
+8% +$326K
VIGI icon
450
Vanguard International Dividend Appreciation ETF
VIGI
$9.28B
$4.41M 0.02%
63,280
-851
-1% -$57.4K
16 17
18
19 20

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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.