We are live on ! Find out more
William Blair & Company

William Blair & Company Portfolio holdings

AUM $34.9B
1-Year Est. Return 18.88%
This Fund
S&P 500
This Quarter Est. Return
+8.27%
1 Year Est. Return
+18.88%
3 Year Est. Return
+73.84%
5 Year Est. Return
+90.13%
10 Year Est. Return
+563.35%
AUM
$31.9B
AUM Growth
+$2.51B
Cap. Flow
+$830M
Cap. Flow %
2.6%
Top 10 Hldgs %
23.75%
Holding
2,051
New
174
Increased
889
Reduced
606
Closed
88

Top Buys

Rank Stock Value
1
AMZN icon
Amazon
AMZN
+$66.8M
2
PODD icon
Insulet
PODD
+$47M
3
XMTR icon
Xometry
XMTR
+$44.1M
4
SPY icon
State Street SPDR S&P 500 ETF Trust
SPY
+$43.7M
5
AON icon
Aon
AON
+$36.1M

Sector Composition

Rank Sector Weight
1 Technology 26.2%
2 Healthcare 19.21%
3 Financials 10.7%
4 Consumer Discretionary 10.6%
5 Industrials 10.38%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
FCN icon
1276
FTI Consulting
FCN
$4.18B
$418K ﹤0.01%
2,726
+1,117
+69% +$163K
SR icon
1277
Spire
SR
$4.85B
$418K ﹤0.01%
6,410
THFF icon
1278
First Financial Corp
THFF
$969M
$418K ﹤0.01%
9,238
-721
-7% -$31.7K
DELL icon
1279
Dell
DELL
$293B
$417K ﹤0.01%
7,422
-7,326
-50% -$408K
CMS icon
1280
CMS Energy
CMS
$22.3B
$416K ﹤0.01%
6,393
+2,058
+47% +$126K
BBCA icon
1281
JPMorgan BetaBuilders Canada ETF
BBCA
$11.2B
$415K ﹤0.01%
6,171
+369
+6% +$24.7K
IYZ icon
1282
iShares US Telecommunications ETF
IYZ
$1.26B
$414K ﹤0.01%
12,589
+191
+2% +$6.15K
BNDX icon
1283
Vanguard Total International Bond ETF
BNDX
$82.2B
$413K ﹤0.01%
7,493
-1,284
-15% -$73K
BWA icon
1284
BorgWarner
BWA
$13.9B
$413K ﹤0.01%
10,411
-147
-1% -$5.9K
PRVA icon
1285
Privia Health
PRVA
$2.87B
$413K ﹤0.01%
+15,949
New +$398K
INSM icon
1286
Insmed
INSM
$28.6B
$412K ﹤0.01%
15,116
+230
+2% +$6.58K
NXRT
1287
NexPoint Residential Trust
NXRT
$652M
$410K ﹤0.01%
4,890
SPH icon
1288
Suburban Propane Partners
SPH
$1.18B
$410K ﹤0.01%
28,008
-615
-2% -$9.31K
CRNC icon
1289
Cerence
CRNC
$414M
$409K ﹤0.01%
5,339
-431
-7% -$38K
UUP icon
1290
Invesco DB US Dollar Index Bullish Fund
UUP
$422M
$409K ﹤0.01%
15,975
-500
-3% -$12.8K
FPE icon
1291
First Trust Preferred Securities and Income ETF
FPE
$6.36B
$407K ﹤0.01%
20,048
+43
+0.2% +$876
LBTYK icon
1292
Liberty Global Class C
LBTYK
$3.49B
$407K ﹤0.01%
14,497
+1,351
+10% +$38.6K
VRM icon
1293
Vroom Inc
VRM
$48.2M
$407K ﹤0.01%
471
-220
-32% -$296K
ATAXZ
1294
DELISTED
AMERICA FIRST TAX EXEMT INV LP
ATAXZ
$406K ﹤0.01%
63,090
INSG icon
1295
Inseego
INSG
$90.5M
$405K ﹤0.01%
6,940
SOVO
1296
DELISTED
Sovos Brands, Inc. Common Stock
SOVO
$402K ﹤0.01%
+26,712
New +$398K
VGIT icon
1297
Vanguard Intermediate-Term Treasury ETF
VGIT
$41.7B
$400K ﹤0.01%
6,023
+21
+0.3% +$1.41K
HAIN icon
1298
Hain Celestial
HAIN
$53.7M
$399K ﹤0.01%
9,369
+1,309
+16% +$55.8K
NIO icon
1299
NIO
NIO
$11.9B
$398K ﹤0.01%
12,572
-799
-6% -$29.4K
GBDC icon
1300
Golub Capital BDC
GBDC
$3.42B
$395K ﹤0.01%
25,615
-4,000
-14% -$61.9K

Similar funds

William Blair & Company's Q4 2021 Portfolio in Review

As of Q4 2021, William Blair & Company held 2,051 positions worth $31.9B, up 8.5% from $29.4B the previous quarter. Its ten largest holdings account for 24% of the portfolio.

William Blair & Company's Q4 2021 filing shows 174 new, 889 increased, 606 reduced and 88 closed positions. Its largest new stake was Portillo's: 759,814 shares worth $28.5M. The largest sale was PayPal, an estimated $73.8M.

By sector, the portfolio is most concentrated in Technology at 26% of assets, up from 26% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q4 2021 buy was Portillo's: 759,814 shares worth $28.5M.
  • William Blair & Company added most to Amazon in Q4 2021, an estimated $66.8M increase.
  • William Blair & Company's biggest Q4 2021 reduction was PayPal, cutting an estimated $73.8M.
  • William Blair & Company fully exited Asana in Q4 2021, selling an estimated $6.06M.
  • William Blair & Company's ten largest holdings make up 24% of its $31.9B portfolio in Q4 2021.
  • William Blair & Company opened 174 new positions and closed 88 in Q4 2021.
  • William Blair & Company's portfolio value rose 8.5% quarter-over-quarter to $31.9B.

Based on William Blair & Company's 13F filing for Q4 2021, filed 14 Feb 2022.