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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

Top Sells

Rank Stock Value
1
PYPL icon
PayPal
PYPL
+$73.8M
2
ATVI
Activision Blizzard
ATVI
+$46.9M
3
OSH
Oak Street Health, Inc.
OSH
+$43.6M
4
DIS icon
Walt Disney
DIS
+$34M
5
PGR icon
Progressive
PGR
+$32.6M

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
BXMT icon
1526
Blackstone Mortgage Trust
BXMT
$2.38B
$218K ﹤0.01%
7,126
– –
ANDE icon
1527
Andersons Inc
ANDE
$2.22B
$217K ﹤0.01%
+5,611
New +$197K
BDSX icon
1528
Biodesix
BDSX
$248M
$217K ﹤0.01%
2,053
-11
-0.5% -$1.44K
VMBS icon
1529
Vanguard Mortgage-Backed Securities ETF
VMBS
$15.5B
$215K ﹤0.01%
4,060
-246
-6% -$13K
WIX icon
1530
WIX.com
WIX
$2.52B
$215K ﹤0.01%
1,364
+280
+26% +$48.6K
NEPH icon
1531
Nephros
NEPH
$45.7M
$214K ﹤0.01%
36,249
– –
SQSP
1532
DELISTED
Squarespace, Inc.
SQSP
$214K ﹤0.01%
7,248
+1,268
+21% +$46K
LIVN icon
1533
LivaNova
LIVN
$4.2B
$212K ﹤0.01%
+2,426
New +$202K
QLTA icon
1534
iShares AAA-A Rated Corporate Bond ETF
QLTA
$1.23B
$212K ﹤0.01%
3,773
– –
LAD icon
1535
Lithia Motors
LAD
$8.26B
$211K ﹤0.01%
712
-25
-3% -$7.72K
RLI icon
1536
RLI Corp
RLI
$5.89B
$211K ﹤0.01%
3,766
-308
-8% -$16.7K
RVNC
1537
DELISTED
Revance Therapeutics, Inc.
RVNC
$211K ﹤0.01%
12,951
-93,280
-88% -$1.56M
DPZ icon
1538
Domino's
DPZ
$11.6B
$210K ﹤0.01%
+372
New +$189K
EMLP icon
1539
First Trust North American Energy Infrastructure Fund
EMLP
$4.08B
$210K ﹤0.01%
8,403
+15
+0.2% +$371
OGS icon
1540
ONE Gas
OGS
$5.04B
$210K ﹤0.01%
+2,705
New +$188K
TCS
1541
DELISTED
THE CONTAINER STORE GROUP, INC.
TCS
$210K ﹤0.01%
1,400
-40
-3% -$6.76K
AAL icon
1542
American Airlines Group
AAL
$10.6B
$209K ﹤0.01%
+11,649
New +$223K
PLUG icon
1543
Plug Power
PLUG
$3.04B
$209K ﹤0.01%
+7,394
New +$256K
BKR icon
1544
Baker Hughes
BKR
$61.1B
$208K ﹤0.01%
8,665
+366
+4% +$9.04K
JEF icon
1545
Jefferies Financial Group
JEF
$13.1B
$208K ﹤0.01%
+5,615
New +$216K
TFX icon
1546
Teleflex
TFX
$5.98B
$207K ﹤0.01%
+631
New +$215K
DECK icon
1547
Deckers Outdoor
DECK
$13.3B
$206K ﹤0.01%
3,378
– –
EPAC icon
1548
Enerpac Tool Group
EPAC
$1.93B
$206K ﹤0.01%
10,160
– –
HEDJ icon
1549
WisdomTree Europe Hedged Equity Fund
HEDJ
$1.87B
$206K ﹤0.01%
5,132
– –
MDYV icon
1550
State Street SPDR S&P 400 Mid Cap Value ETF
MDYV
$2.83B
$206K ﹤0.01%
2,898
-130
-4% -$9.09K
60 61
62
63 64

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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.