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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
VSAT icon
526
Viasat
VSAT
$11.7B
$3.22M 0.01%
101,778
-53,532
-34% -$1.87M
MAR icon
527
Marriott International
MAR
$92.6B
$3.22M 0.01%
21,623
+239
+1% +$36.8K
AMLP icon
528
Alerian MLP ETF
AMLP
$13.1B
$3.22M 0.01%
84,548
+15,372
+22% +$604K
COLD icon
529
Americold
COLD
$4.3B
$3.22M 0.01%
113,608
+1,053
+0.9% +$28.3K
RGLD icon
530
Royal Gold
RGLD
$19.4B
$3.17M 0.01%
28,142
+42
+0.1% +$4.33K
III icon
531
Information Services Group
III
$248M
$3.17M 0.01%
688,983
+8,225
+1% +$41.6K
BND icon
532
Vanguard Total Bond Market
BND
$162B
$3.14M 0.01%
43,778
-11,681
-21% -$837K
RPD icon
533
Rapid7
RPD
$874M
$3.13M 0.01%
92,140
-5,699
-6% -$204K
XME icon
534
State Street SPDR S&P Metals & Mining ETF
XME
$4.48B
$3.11M 0.01%
62,519
-9,867
-14% -$489K
PLD icon
535
Prologis
PLD
$135B
$3.07M 0.01%
27,269
+228
+0.8% +$25.3K
IGSB icon
536
iShares 1-5 Year Investment Grade Corporate Bond ETF
IGSB
$23.4B
$3.03M 0.01%
60,831
-8,169
-12% -$404K
CHTR icon
537
Charter Communications
CHTR
$18.3B
$3.02M 0.01%
8,910
+5,110
+134% +$1.8M
CMI icon
538
Cummins
CMI
$87.3B
$3.01M 0.01%
12,404
-45
-0.4% -$10.7K
SPHQ icon
539
Invesco S&P 500 Quality ETF
SPHQ
$19.9B
$3M 0.01%
68,124
+7,943
+13% +$347K
PGX icon
540
Invesco Preferred ETF
PGX
$3.77B
$2.96M 0.01%
264,595
+44,059
+20% +$510K
ELS icon
541
Equity Lifestyle Properties
ELS
$12.6B
$2.93M 0.01%
45,422
+8
+0% +$507
SRE icon
542
Sempra
SRE
$56.4B
$2.93M 0.01%
37,936
-472
-1% -$36.5K
DAL icon
543
Delta Air Lines
DAL
$60.3B
$2.93M 0.01%
89,115
-15,376
-15% -$510K
DSI icon
544
iShares MSCI KLD 400 Social ETF
DSI
$5.58B
$2.93M 0.01%
40,788
-384
-0.9% -$27.6K
EVBG
545
DELISTED
Everbridge, Inc. Common Stock
EVBG
$2.92M 0.01%
98,840
-8,044
-8% -$247K
BIIB icon
546
Biogen
BIIB
$31B
$2.86M 0.01%
10,332
-2,156
-17% -$609K
DHI icon
547
D.R. Horton
DHI
$41.6B
$2.85M 0.01%
32,008
-1,093
-3% -$87.6K
DGRO icon
548
iShares Core Dividend Growth ETF
DGRO
$44B
$2.85M 0.01%
56,939
+30,325
+114% +$1.49M
HUM icon
549
Humana
HUM
$46.3B
$2.84M 0.01%
5,547
-395
-7% -$208K
PEN icon
550
Penumbra
PEN
$12.9B
$2.83M 0.01%
12,743
+512
+4% +$100K
20 21
22
23 24

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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.