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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
SILC icon
1351
Silicom
SILC
$242M
$353K ﹤0.01%
+6,840
New +$303K
IEA
1352
DELISTED
Infrastructure and Energy Alternatives, Inc. Common Stock
IEA
$351K ﹤0.01%
38,135
SKYY icon
1353
First Trust Cloud Computing ETF
SKYY
$3.12B
$350K ﹤0.01%
3,353
+422
+14% +$46.5K
SYF icon
1354
Synchrony
SYF
$25.6B
$350K ﹤0.01%
7,541
-413
-5% -$19.9K
ARHS icon
1355
Arhaus
ARHS
$1.36B
$349K ﹤0.01%
+26,353
New +$291K
PACB icon
1356
Pacific Biosciences
PACB
$370M
$349K ﹤0.01%
17,079
+3,970
+30% +$95.8K
DES icon
1357
WisdomTree US SmallCap Dividend Fund
DES
$2.22B
$348K ﹤0.01%
10,587
+6
+0.1% +$194
PVH icon
1358
PVH
PVH
$4.04B
$346K ﹤0.01%
3,240
-304
-9% -$33.2K
EQNR icon
1359
Equinor
EQNR
$92.4B
$345K ﹤0.01%
13,107
-6,268
-32% -$165K
TXT icon
1360
Textron
TXT
$15.4B
$345K ﹤0.01%
4,465
+7
+0.2% +$520
KBH icon
1361
KB Home
KBH
$3.59B
$342K ﹤0.01%
7,650
BTRS
1362
DELISTED
BTRS Holdings Inc. Class 1 Common Stock
BTRS
$340K ﹤0.01%
43,495
-70,765
-62% -$613K
BV icon
1363
BrightView Holdings
BV
$1.07B
$338K ﹤0.01%
24,000
-400
-2% -$6.02K
LW icon
1364
Lamb Weston
LW
$7.19B
$338K ﹤0.01%
5,333
-396
-7% -$22.8K
VIOO icon
1365
Vanguard S&P Small-Cap 600 ETF
VIOO
$4.25B
$338K ﹤0.01%
3,220
CINF icon
1366
Cincinnati Financial
CINF
$27.1B
$337K ﹤0.01%
2,962
+75
+3% +$8.87K
QTWO icon
1367
Q2 Holdings
QTWO
$3.92B
$335K ﹤0.01%
4,215
-1,360
-24% -$110K
VRP icon
1368
Invesco Variable Rate Preferred ETF
VRP
$3.01B
$335K ﹤0.01%
12,941
+1,024
+9% +$26.6K
CPRI icon
1369
Capri Holdings
CPRI
$1.74B
$334K ﹤0.01%
5,145
-110
-2% -$6.51K
MYGN icon
1370
Myriad Genetics
MYGN
$312M
$334K ﹤0.01%
12,119
-50,000
-80% -$1.45M
PSTX
1371
DELISTED
Poseida Therapeutics, Inc. Common Stock
PSTX
$333K ﹤0.01%
+48,963
New +$334K
BEPC icon
1372
Brookfield Renewable
BEPC
$6.26B
$332K ﹤0.01%
9,010
-586
-6% -$22.4K
BXP icon
1373
Boston Properties
BXP
$11.1B
$331K ﹤0.01%
+2,871
New +$331K
EMB icon
1374
iShares JPMorgan USD Emerging Markets Bond ETF
EMB
$14.7B
$331K ﹤0.01%
3,039
-587
-16% -$64K
UGI icon
1375
UGI
UGI
$7.33B
$331K ﹤0.01%
7,199
+399
+6% +$17.7K

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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.