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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
SHW icon
276
Sherwin-Williams
SHW
$87.4B
$11.9M 0.05%
50,291
-666
-1% -$154K
EXEL icon
277
Exelixis
EXEL
$12.5B
$11.9M 0.05%
743,484
-50,726
-6% -$827K
BDX icon
278
Becton Dickinson
BDX
$50B
$11.6M 0.05%
45,485
-1,865
-4% -$440K
PAVE icon
279
Global X US Infrastructure Development ETF
PAVE
$14.3B
$11.5M 0.05%
435,335
-6,573
-1% -$172K
DUK icon
280
Duke Energy
DUK
$96.3B
$11.2M 0.05%
109,233
-17,928
-14% -$1.72M
FDX icon
281
FedEx
FDX
$77.3B
$11.1M 0.05%
64,277
-20,741
-24% -$3.45M
EFX icon
282
Equifax
EFX
$21.2B
$11M 0.05%
56,596
-385
-0.7% -$70.4K
KMI icon
283
Kinder Morgan
KMI
$70.7B
$10.9M 0.05%
600,489
-37,283
-6% -$671K
SMG icon
284
ScottsMiracle-Gro
SMG
$3.62B
$10.8M 0.05%
222,264
+5,458
+3% +$273K
DOV icon
285
Dover
DOV
$28B
$10.8M 0.05%
79,442
-383
-0.5% -$50.9K
MDT icon
286
Medtronic
MDT
$116B
$10.7M 0.05%
137,272
-79,093
-37% -$6.41M
IEMG icon
287
iShares Core MSCI Emerging Markets ETF
IEMG
$158B
$10.6M 0.05%
227,243
+29,984
+15% +$1.36M
SDY icon
288
State Street SPDR S&P Dividend ETF
SDY
$22.1B
$10.5M 0.05%
84,094
+10,498
+14% +$1.3M
VRRM icon
289
Verra Mobility
VRRM
$714M
$10.5M 0.05%
760,536
-54,063
-7% -$822K
CODI icon
290
Compass Diversified
CODI
$908M
$10.4M 0.05%
572,084
-33,780
-6% -$634K
GIS icon
291
General Mills
GIS
$20.4B
$10.3M 0.04%
122,345
+1,512
+1% +$123K
LMBS icon
292
First Trust Exchange-Traded Fund IV First Trust Low Duration Opportunities ETF
LMBS
$6.39B
$10.1M 0.04%
212,202
-328,090
-61% -$15.5M
VUSB icon
293
Vanguard Ultra-Short Bond ETF
VUSB
$9.33B
$10.1M 0.04%
205,163
+97,188
+90% +$4.75M
VGT icon
294
Vanguard Information Technology ETF
VGT
$149B
$10M 0.04%
250,416
-54,232
-18% -$2.21M
DLB icon
295
Dolby
DLB
$5.75B
$9.97M 0.04%
141,283
-137,682
-49% -$9.49M
GDYN icon
296
Grid Dynamics Holdings
GDYN
$632M
$9.94M 0.04%
885,726
-22,873
-3% -$297K
IAU icon
297
iShares Gold Trust
IAU
$65.4B
$9.85M 0.04%
284,791
+3,791
+1% +$124K
C icon
298
Citigroup
C
$231B
$9.82M 0.04%
217,020
-9,511
-4% -$432K
PLMR icon
299
Palomar
PLMR
$3.36B
$9.7M 0.04%
214,885
-7,789
-3% -$531K
KNSL icon
300
Kinsale Capital Group
KNSL
$8.51B
$9.69M 0.04%
37,059
-4,312
-10% -$1.24M
10 11
12
13 14

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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.