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

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
VFC icon
551
VF Corp
VFC
$5.89B
$3.85M 0.01%
52,514
+1,617
+3% +$118K
ICLN icon
552
iShares Global Clean Energy ETF
ICLN
$2.4B
$3.84M 0.01%
181,554
+40,622
+29% +$934K
HACK icon
553
Amplify Cybersecurity ETF
HACK
$2.9B
$3.83M 0.01%
62,354
+4,995
+9% +$315K
AVB icon
554
AvalonBay Communities
AVB
$26.8B
$3.81M 0.01%
15,098
+3,408
+29% +$813K
CWB icon
555
State Street SPDR Bloomberg Convertible Securities ETF
CWB
$5.69B
$3.81M 0.01%
45,963
+1,278
+3% +$109K
SCHD icon
556
Schwab US Dividend Equity ETF
SCHD
$105B
$3.8M 0.01%
141,072
+108,828
+338% +$2.83M
HIW icon
557
Highwoods Properties
HIW
$3.47B
$3.79M 0.01%
85,031
+17,508
+26% +$791K
TASK icon
558
TaskUs
TASK
$669M
$3.77M 0.01%
69,835
+20,235
+41% +$1.1M
COF icon
559
Capital One
COF
$134B
$3.74M 0.01%
25,785
+2,661
+12% +$411K
JJSF icon
560
J&J Snack Foods
JJSF
$1.71B
$3.74M 0.01%
23,664
+1,103
+5% +$166K
DSI icon
561
iShares MSCI KLD 400 Social ETF
DSI
$5.55B
$3.73M 0.01%
40,088
+120
+0.3% +$10.8K
ALL icon
562
Allstate
ALL
$67.5B
$3.72M 0.01%
31,645
+16,626
+111% +$1.97M
EQR icon
563
Equity Residential
EQR
$25.1B
$3.71M 0.01%
40,965
+764
+2% +$65.7K
MPC icon
564
Marathon Petroleum
MPC
$83.7B
$3.71M 0.01%
57,897
+41,124
+245% +$2.64M
KNX icon
565
Knight Transportation
KNX
$11.4B
$3.67M 0.01%
+60,246
New +$3.41M
VOOV icon
566
Vanguard S&P 500 Value ETF
VOOV
$6.71B
$3.59M 0.01%
23,734
-334
-1% -$49.1K
COLD icon
567
Americold
COLD
$4.27B
$3.59M 0.01%
109,535
-689,401
-86% -$21.3M
BMRN icon
568
BioMarin Pharmaceuticals
BMRN
$12.4B
$3.59M 0.01%
40,611
-3,029
-7% -$250K
DRVN icon
569
Driven Brands
DRVN
$2.2B
$3.58M 0.01%
106,500
-55,800
-34% -$1.75M
MGTX icon
570
MeiraGTx Holdings
MGTX
$1.21B
$3.56M 0.01%
+150,000
New +$2.87M
TTE icon
571
TotalEnergies
TTE
$190B
$3.53M 0.01%
71,459
+2,758
+4% +$137K
MRNA icon
572
Moderna
MRNA
$23.6B
$3.53M 0.01%
13,887
+590
+4% +$173K
MELI icon
573
Mercado Libre
MELI
$92.3B
$3.52M 0.01%
2,614
+13
+0.5% +$18.3K
SP
574
DELISTED
SP Plus Corporation
SP
$3.52M 0.01%
124,848
+11,709
+10% +$351K
AXDX
575
DELISTED
Accelerate Diagnostics
AXDX
$3.52M 0.01%
67,430
-20,289
-23% -$1.13M
21 22
23
24 25

Similar funds

SAM
Storebrand Asset Management Lysaker, Norway $34.8B AUM 25.49% 1-Year Est. Return
Chevy Chase Trust
Chevy Chase Trust Bethesda, Maryland $34.7B AUM 29.45% 1-Year Est. Return
VIA
Vanguard Investments Australia Victoria, Australia $34.6B AUM
Alyeska Investment Group
Alyeska Investment Group Chicago, Illinois $35.4B AUM 33.54% 1-Year Est. Return
Pacer Advisors
Pacer Advisors Malvern, Pennsylvania $35.6B AUM 18.19% 1-Year Est. Return
Kayne Anderson Rudnick Investment Management
Kayne Anderson Rudnick Investment Management Los Angeles, California $34B AUM 6.31% 1-Year Est. Return
Viking Global Investors
Viking Global Investors Stamford, Connecticut $35.7B AUM 21.3% 1-Year Est. Return
First Manhattan
First Manhattan New York $36.1B AUM 11.5% 1-Year Est. Return

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.