William Blair & Company

William Blair & Company Portfolio holdings

AUM $36B
1-Year Return 22.14%
This Quarter Return
+8.28%
1 Year Return
+22.14%
3 Year Return
+91.53%
5 Year Return
+136.53%
10 Year Return
+482.99%
AUM
$31.9B
AUM Growth
+$2.51B
Cap. Flow
+$879M
Cap. Flow %
2.76%
Top 10 Hldgs %
23.75%
Holding
2,054
New
174
Increased
889
Reduced
606
Closed
88

Top Buys

1
AMZN icon
Amazon
AMZN
+$65.1M
2
SPY icon
SPDR S&P 500 ETF Trust
SPY
+$45.2M
3
XMTR icon
Xometry
XMTR
+$43.9M
4
PODD icon
Insulet
PODD
+$43.1M
5
AAPL icon
Apple
AAPL
+$40.4M

Sector Composition

1 Technology 26.21%
2 Healthcare 19.2%
3 Financials 10.69%
4 Consumer Discretionary 10.6%
5 Industrials 10.38%
Name Market Value Portfolio Weight Shares or Principal Shares
Change %
Capital Flow
ZG icon
2001
Zillow
ZG
$20.3B
-253
Closed -$22K
ZIP icon
2002
ZipRecruiter
ZIP
$410M
-10,950
Closed -$302K
PMD
2003
DELISTED
Psychemedics Corporation
PMD
-13,500
Closed -$113K
TRVN
2004
DELISTED
Trevena, Inc.
TRVN
-40
Closed -$31K
BFX
2005
DELISTED
BowFlex Inc.
BFX
-34,050
Closed -$317K
ARAV
2006
DELISTED
Aravive, Inc. Common Stock
ARAV
-43,000
Closed -$160K
TDW.WS.A
2007
DELISTED
Tidewater Inc. Series A Warrants to purchase shares of common stock (expiring July 31, 2023)
TDW.WS.A
-43
Closed
TDW.WS.B
2008
DELISTED
Tidewater Inc. Series B Warrants to purchase shares of common stock (expiring July 31, 2023)
TDW.WS.B
-46
Closed
AERI
2009
DELISTED
Aerie Pharmaceuticals, Inc.
AERI
-13,623
Closed -$155K
MANT
2010
DELISTED
Mantech International Corp
MANT
-8,204
Closed -$623K
AGT
2011
DELISTED
iShares MSCI Argentina and Global Exposure ETF
AGT
-40
Closed -$1K
DISCK
2012
DELISTED
Discovery, Inc. Series C Common Stock
DISCK
-5,432
Closed -$132K
ASTRW
2013
DELISTED
Astra Space, Inc. Warrant
ASTRW
-131,447
Closed -$312K
LMRK
2014
DELISTED
Landmark Infrastructure Partners LP Common Units
LMRK
-20,900
Closed -$342K
KSU
2015
DELISTED
Kansas City Southern
KSU
-4,564
Closed -$1.24M
MDP
2016
DELISTED
Meredith Corporation
MDP
-6,000
Closed -$334K
DDMX
2017
DELISTED
DD3 Acquisition Corp. II Class A Common Stock
DDMX
-153,768
Closed -$1.52M
XLRN
2018
DELISTED
Acceleron Pharma Inc.
XLRN
-1,323
Closed -$228K
FLXN
2019
DELISTED
Flexion Therapeutics, Inc.
FLXN
-160,399
Closed -$978K
TRIL
2020
DELISTED
Trillium Therapeutics Inc.
TRIL
-25,150
Closed -$442K
MDLA
2021
DELISTED
Medallia, Inc.
MDLA
-157,491
Closed -$5.33M
DISCA
2022
DELISTED
Discovery, Inc. Series A Common Stock
DISCA
-3,436
Closed -$87K
IBDM
2023
DELISTED
iShares iBonds Dec 2021 Term Corporate ETF
IBDM
-50,825
Closed -$1.26M
IBMJ
2024
DELISTED
iShares iBonds Dec 2021 Term Muni Bond ETF
IBMJ
-7,950
Closed -$203K
CIT
2025
DELISTED
CIT Group Inc.
CIT
-28,044
Closed -$1.46M