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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
PRAA icon
376
PRA Group
PRAA
$755M
$8.43M 0.03%
167,920
+5,270
+3% +$234K
NTNX icon
377
Nutanix
NTNX
$16.9B
$8.4M 0.03%
263,639
+12,277
+5% +$421K
TWOU
378
DELISTED
2U Inc
TWOU
$8.39M 0.03%
13,939
-4,517
-24% -$3.6M
GM icon
379
General Motors
GM
$76.8B
$8.35M 0.03%
142,403
+20,167
+16% +$1.18M
NEAR icon
380
iShares Short Maturity Bond ETF
NEAR
$4.85B
$8.31M 0.03%
166,422
+165,704
+23,079% +$8.29M
CBOE icon
381
Cboe Global Markets
CBOE
$29.9B
$8.3M 0.03%
63,636
-3,028
-5% -$391K
IVOL icon
382
Quadratic Interest Rate Volatility and Inflation Hedge ETF
IVOL
$272M
$8.26M 0.03%
307,717
-19,944
-6% -$545K
EOG icon
383
EOG Resources
EOG
$70.7B
$8.23M 0.03%
92,686
-101
-0.1% -$9.07K
VSAT icon
384
Viasat
VSAT
$11.1B
$8.04M 0.03%
180,422
-11,505
-6% -$596K
PHO icon
385
Invesco Water Resources ETF
PHO
$2.09B
$8.03M 0.03%
131,985
+3,825
+3% +$222K
CACC icon
386
Credit Acceptance
CACC
$6.08B
$7.97M 0.03%
11,586
– –
XYL icon
387
Xylem
XYL
$28.1B
$7.91M 0.02%
65,944
-18,909
-22% -$2.35M
RH icon
388
RH
RH
$3.71B
$7.9M 0.02%
14,741
-572
-4% -$352K
GWH icon
389
ESS Tech
GWH
$18.9M
$7.82M 0.02%
+45,592
New +$10.1M
AVGOP
390
DELISTED
Broadcom Inc. 8.00% Mandatory Convertible Preferred Stock, Series A
AVGOP
$7.81M 0.02%
+3,762
New +$6.59M
TEL icon
391
TE Connectivity
TEL
$62.6B
$7.76M 0.02%
48,082
-1,499
-3% -$232K
TDOC icon
392
Teladoc Health
TDOC
$1.3B
$7.74M 0.02%
84,312
-149,417
-64% -$17.9M
AOS icon
393
A.O. Smith
AOS
$8.7B
$7.7M 0.02%
89,715
+3,306
+4% +$252K
IWP icon
394
iShares Russell Mid-Cap Growth ETF
IWP
$20.7B
$7.65M 0.02%
66,390
-592
-0.9% -$69K
WMG icon
395
Warner Music
WMG
$13.8B
$7.64M 0.02%
176,864
-1,383
-0.8% -$62.2K
JBHT icon
396
JB Hunt Transport Services
JBHT
$25.2B
$7.62M 0.02%
37,277
-1
-0% -$192
USMV icon
397
iShares MSCI USA Min Vol Factor ETF
USMV
$24.2B
$7.61M 0.02%
94,000
+2,134
+2% +$165K
DD icon
398
DuPont de Nemours
DD
$19.2B
$7.58M 0.02%
74,713
-819
-1% -$77.9K
IFF icon
399
International Flavors & Fragrances
IFF
$21.9B
$7.57M 0.02%
50,240
-729
-1% -$106K
VB icon
400
Vanguard Morningstar Small-Cap ETF
VB
$82.4B
$7.54M 0.02%
33,348
+4,412
+15% +$1M
14 15
16
17 18

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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.