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William Blair & Company

William Blair & Company Portfolio holdings

AUM $38.4B
1-Year Est. Return 25.71%
This Fund
S&P 500
This Quarter Est. Return
-7.4%
1 Year Est. Return
+25.71%
3 Year Est. Return
+88.7%
5 Year Est. Return
+104.53%
10 Year Est. Return
+665.86%
AUM
$28.5B
AUM Growth
-$3.35B
Cap. Flow
-$163M
Cap. Flow %
-0.57%
Top 10 Hldgs %
24.38%
Holding
2,057
New
95
Increased
667
Reduced
873
Closed
147

Top Buys

Rank Stock Value
1
ABNB icon
Airbnb
ABNB
+$71.5M
2
SPGI icon
S&P Global
SPGI
+$64.1M
3
DE icon
Deere & Co
DE
+$60.2M
4
SWCH
Switch, Inc. Class A Common Stock
SWCH
+$42.2M
5
FISV
Fiserv Inc
FISV
+$38.2M

Top Sells

Rank Stock Value
1
INFO
IHS Markit Ltd. Common Shares
INFO
+$77.7M
2
KMX icon
CarMax
KMX
+$61.4M
3
DOCU
DocuSign
DOCU
+$58.4M
4
OKTA icon
Okta
OKTA
+$53.3M
5
META icon
Meta Platforms (Facebook)
META
+$39.8M

Sector Composition

Rank Sector Weight
1 Technology 25.22%
2 Healthcare 19.05%
3 Financials 11.51%
4 Industrials 10.68%
5 Consumer Discretionary 10.04%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
SQSP
2001
DELISTED
Squarespace, Inc.
SQSP
– –
-7,248
Closed -$214K
SEEL
2002
DELISTED
Seelos Therapeutics, Inc. Common Stock
SEEL
– –
-7
Closed -$46K
SDC
2003
DELISTED
SmileDirectClub, Inc. Class A Common Stock
SDC
– –
-12,126
Closed -$28K
KDNY
2004
DELISTED
Chinook Therapeutics, Inc. Common Stock
KDNY
– –
-10,728
Closed -$175K
ACOR
2005
DELISTED
Acorda Therapeutics
ACOR
– –
-1,192
Closed -$57K
IAA
2006
DELISTED
IAA, Inc. Common Stock
IAA
– –
-5,898
Closed -$299K
LOGC
2007
DELISTED
LogicBio Therapeutics, Inc. Common Stock
LOGC
– –
-21,950
Closed -$51K
RJA
2008
DELISTED
AB Svensk Ekportkredit ELEMENTS Linked to the Rogers International Commodity Index-Agriculture Total Return
RJA
– –
-11,497
Closed -$99K
CVET
2009
DELISTED
Covetrus, Inc. Common Stock
CVET
– –
-10,333
Closed -$206K
EPAY
2010
DELISTED
Bottomline Technologies Inc
EPAY
– –
-23,833
Closed -$1.35M
SUNS
2011
DELISTED
SLR Senior Investment Corp. Common Stock
SUNS
– –
-48,631
Closed -$680K
CONE
2012
DELISTED
CyrusOne Inc Common Stock
CONE
– –
-254,372
Closed -$22.8M
ARNA
2013
DELISTED
Arena Pharmaceuticals Inc
ARNA
– –
-80,664
Closed -$7.5M
PVG
2014
DELISTED
PRETIUM RESOURCES INC.
PVG
– –
-8,525
Closed -$120K
NUAN
2015
DELISTED
Nuance Communications, Inc.
NUAN
– –
-17,854
Closed -$988K
INFO
2016
DELISTED
IHS Markit Ltd. Common Shares
INFO
– –
-584,295
Closed -$77.7M
DSKEW
2017
DELISTED
Daseke, Inc. Warrant
DSKEW
– –
-10,000
Closed -$1K
FMBI
2018
DELISTED
First Midwest Bancorp Inc/IL
FMBI
– –
-13,835
Closed -$283K
XLNX
2019
DELISTED
Xilinx Inc
XLNX
– –
-60,769
Closed -$12.9M
KL
2020
DELISTED
Kirkland Lake Gold Ltd Ordinary
KL
– –
-6,777
Closed -$284K
RKLBW
2021
DELISTED
Rocket Lab USA, Inc. Warrant
RKLBW
– –
-103,772
Closed -$372K
RDS.A
2022
DELISTED
Royal Dutch Shell PLC ADS Class A
RDS.A
– –
-30,063
Closed -$1.3M
RDS.B
2023
DELISTED
Royal Dutch Shell PLC ADS Class B
RDS.B
– –
-14,680
Closed -$636K
GRUB
2024
DELISTED
Just Eat Takeaway.com N.V. American Depositary Shares
GRUB
– –
-110,563
Closed -$1.19M
TACO
2025
DELISTED
Del Taco Restaurants, Inc. Common Stock
TACO
– –
-12,300
Closed -$153K
78 79 80
81
82

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William Blair & Company's Q1 2022 Portfolio in Review

As of Q1 2022, William Blair & Company held 2,057 positions worth $28.5B, down 11% from $31.9B the previous quarter. Its ten largest holdings account for 24% of the portfolio.

William Blair & Company's Q1 2022 filing shows 95 new, 667 increased, 873 reduced and 147 closed positions. Its largest new stake was Apollo Global Management: 145,513 shares worth $9.02M. The largest sale was IHS Markit Ltd. Common Shares, an estimated $77.7M.

By sector, the portfolio is most concentrated in Technology at 25% of assets, down from 26% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q1 2022 buy was Apollo Global Management: 145,513 shares worth $9.02M.
  • William Blair & Company added most to Airbnb in Q1 2022, an estimated $71.5M increase.
  • William Blair & Company's biggest Q1 2022 reduction was CarMax, cutting an estimated $61.4M.
  • William Blair & Company fully exited IHS Markit Ltd. Common Shares in Q1 2022, selling an estimated $77.7M.
  • William Blair & Company's ten largest holdings make up 24% of its $28.5B portfolio in Q1 2022.
  • William Blair & Company opened 95 new positions and closed 147 in Q1 2022.
  • William Blair & Company's portfolio value fell 11% quarter-over-quarter to $28.5B.

Based on William Blair & Company's 13F filing for Q1 2022, filed 13 May 2022.