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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
CB icon
301
Chubb
CB
$132B
$9.65M 0.04%
43,758
+1,140
+3% +$237K
OKTA icon
302
Okta
OKTA
$25.6B
$9.49M 0.04%
138,901
-44,928
-24% -$2.57M
TECH icon
303
Bio-Techne
TECH
$11.3B
$9.47M 0.04%
114,308
+848
+0.7% +$67.3K
MMP
304
DELISTED
Magellan Midstream Partners, L.P.
MMP
$9.43M 0.04%
187,852
-11,332
-6% -$575K
STKL
305
DELISTED
SunOpta
STKL
$9.29M 0.04%
1,100,745
-25,407
-2% -$240K
RF icon
306
Regions Financial
RF
$26.9B
$9.22M 0.04%
427,764
-13,927
-3% -$302K
FIS icon
307
Fidelity National Information Services
FIS
$21.6B
$9.17M 0.04%
135,138
-27,426
-17% -$1.95M
WCN
308
Waste Connections
WCN
$41.6B
$9.09M 0.04%
68,595
+18,709
+38% +$2.54M
BJ icon
309
BJs Wholesale Club
BJ
$11.8B
$9.07M 0.04%
137,120
+35,688
+35% +$2.59M
KLAC icon
310
KLA
KLAC
$272B
$9.05M 0.04%
240,130
+4,990
+2% +$174K
VBR icon
311
Vanguard Morningstar Small-Cap Value ETF
VBR
$38.1B
$9.02M 0.04%
56,798
+9,500
+20% +$1.51M
XBI icon
312
State Street SPDR S&P Biotech ETF
XBI
$10.5B
$8.92M 0.04%
107,514
+4,570
+4% +$370K
NBIX icon
313
Neurocrine Biosciences
NBIX
$15.9B
$8.9M 0.04%
74,486
+63,184
+559% +$7.4M
DVN icon
314
Devon Energy
DVN
$49.3B
$8.85M 0.04%
143,934
+16,095
+13% +$1.1M
COO icon
315
Cooper Companies
COO
$15B
$8.79M 0.04%
106,344
-7,968
-7% -$588K
VXF icon
316
Vanguard Extended Market ETF
VXF
$32.1B
$8.78M 0.04%
66,105
-292
-0.4% -$39.6K
WBA
317
DELISTED
Walgreens Boots Alliance
WBA
$8.77M 0.04%
234,613
-16,159
-6% -$608K
AMP icon
318
Ameriprise Financial
AMP
$49.9B
$8.76M 0.04%
28,149
+10,335
+58% +$3.15M
AMAT icon
319
Applied Materials
AMAT
$435B
$8.73M 0.04%
89,626
-7,130
-7% -$684K
SGEN
320
DELISTED
Seagen Inc. Common Stock
SGEN
$8.69M 0.04%
67,657
+1,132
+2% +$146K
MCO icon
321
Moody's
MCO
$82.8B
$8.67M 0.04%
31,111
-353
-1% -$96.6K
USB icon
322
US Bancorp
USB
$101B
$8.62M 0.04%
197,702
-3,459
-2% -$148K
HAL icon
323
Halliburton
HAL
$27.7B
$8.43M 0.04%
214,343
+69,374
+48% +$2.46M
GDX icon
324
VanEck Gold Miners ETF
GDX
$27.8B
$8.34M 0.04%
290,968
+30,251
+12% +$809K
JLL icon
325
Jones Lang LaSalle
JLL
$16.7B
$8.3M 0.04%
52,057
-6,369
-11% -$1.02M
11 12
13
14 15

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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.