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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
CVET
1551
DELISTED
Covetrus, Inc. Common Stock
CVET
$206K ﹤0.01%
10,333
-20,694
-67% -$390K
DTM icon
1552
DT Midstream
DTM
$13.4B
$205K ﹤0.01%
4,265
-1,324
-24% -$63.4K
PIII icon
1553
P3 Health Partners
PIII
$38.5M
$204K ﹤0.01%
+580
New +$277K
SRLN icon
1554
State Street Blackstone Senior Loan ETF
SRLN
$5.34B
$204K ﹤0.01%
4,467
+545
+14% +$24.9K
TSN icon
1555
Tyson Foods
TSN
$20.4B
$204K ﹤0.01%
+2,335
New +$192K
UHS icon
1556
Universal Health Services
UHS
$10.5B
$204K ﹤0.01%
1,577
-66
-4% -$8.48K
IBRX icon
1557
ImmunityBio
IBRX
$8.1B
$201K ﹤0.01%
33,000
– –
WES icon
1558
Western Midstream Partners
WES
$19.3B
$201K ﹤0.01%
+9,022
New +$193K
APPS icon
1559
Digital Turbine
APPS
$1.74B
$200K ﹤0.01%
3,285
+55
+2% +$3.74K
LEA icon
1560
Lear
LEA
$8.18B
$200K ﹤0.01%
+1,095
New +$192K
PCY icon
1561
Invesco Emerging Markets Sovereign Debt ETF
PCY
$1.4B
$200K ﹤0.01%
7,587
+689
+10% +$18.2K
PKG icon
1562
Packaging Corp of America
PKG
$22.8B
$200K ﹤0.01%
1,471
-182
-11% -$24.5K
FNDA icon
1563
Schwab Fundamental US Small Company Index ETF
FNDA
$9.38B
$199K ﹤0.01%
7,162
+1,982
+38% +$54.6K
MTUM icon
1564
iShares MSCI USA Momentum Factor ETF
MTUM
$26.2B
$199K ﹤0.01%
1,094
+200
+22% +$36.9K
VRIG icon
1565
Invesco Variable Rate Investment Grade ETF
VRIG
$1.83B
$199K ﹤0.01%
7,935
– –
IEUS icon
1566
iShares MSCI Europe Small-Cap ETF
IEUS
$185M
$198K ﹤0.01%
2,840
+30
+1% +$2.09K
NFRA icon
1567
FlexShares STOXX Global Broad Infrastructure Index Fund
NFRA
$3.02B
$198K ﹤0.01%
3,450
+3,101
+889% +$177K
GNR icon
1568
State Street SPDR S&P Global Natural Resources ETF
GNR
$4.9B
$197K ﹤0.01%
3,649
-348
-9% -$18.6K
CNK icon
1569
Cinemark Holdings
CNK
$4.32B
$193K ﹤0.01%
12,000
-88
-0.7% -$1.65K
UA icon
1570
Under Armour Class C
UA
$2.53B
$192K ﹤0.01%
10,635
+575
+6% +$11.2K
VDE icon
1571
Vanguard Energy ETF
VDE
$9.74B
$192K ﹤0.01%
2,479
+1,013
+69% +$80.6K
UPLD icon
1572
Upland Software
UPLD
$15.4M
$191K ﹤0.01%
1,064
+117
+12% +$29.8K
FDD icon
1573
First Trust STOXX European Select Dividend Income Fund
FDD
$908M
$190K ﹤0.01%
13,160
-2,987
-18% -$42.3K
RITM icon
1574
Rithm Capital
RITM
$5.69B
$190K ﹤0.01%
17,772
-2,065
-10% -$23K
TGTX icon
1575
TG Therapeutics
TGTX
$7.62B
$190K ﹤0.01%
10,000
– –
61 62
63
64 65

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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.