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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
-3.85%
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
$26.1B
AUM Growth
-$1.22B
Cap. Flow
+$114M
Cap. Flow %
0.44%
Top 10 Hldgs %
23.71%
Holding
1,877
New
67
Increased
674
Reduced
719
Closed
85

Top Buys

Rank Stock Value
1
KVUE icon
Kenvue
KVUE
+$32.2M
2
LZ icon
LegalZoom.com
LZ
+$26.6M
3
CRWD icon
CrowdStrike
CRWD
+$24M
4
CSGP icon
CoStar Group
CSGP
+$20.8M
5
GNRC icon
Generac Holdings
GNRC
+$18.3M

Top Sells

Rank Stock Value
1
AAPL icon
Apple
AAPL
+$37.6M
2
PODD icon
Insulet
PODD
+$37.3M
3
NVDA icon
NVIDIA
NVDA
+$24.8M
4
ATVI
Activision Blizzard
ATVI
+$20.6M
5
SBUX icon
Starbucks
SBUX
+$17.8M

Sector Composition

Rank Sector Weight
1 Technology 25.36%
2 Healthcare 17.61%
3 Financials 12.07%
4 Industrials 11.66%
5 Consumer Discretionary 8.39%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
SCHC icon
1576
Schwab International Small-Cap Equity ETF
SCHC
$5.67B
$49.1K ﹤0.01%
1,523
-287
-16% -$9.72K
RESE
1577
DELISTED
WisdomTree Emerging Markets ESG Fund
RESE
$48.4K ﹤0.01%
1,791
+9
+0.5% +$255
TDUP icon
1578
ThredUp
TDUP
$405M
$48.1K ﹤0.01%
+12,000
New +$40.7K
PSQ icon
1579
ProShares Short QQQ
PSQ
$642M
$47.7K ﹤0.01%
875
+1
+0.1% +$53
HEWG
1580
DELISTED
iShares Currency Hedged MSCI Germany ETF
HEWG
$47.6K ﹤0.01%
1,610
– –
LLYVK icon
1581
Liberty Live Group Series C
LLYVK
$9.8B
$47K ﹤0.01%
+1,463
New +$48.5K
UA icon
1582
Under Armour Class C
UA
$2.2B
$46K ﹤0.01%
7,209
-100
-1% -$689
XJR icon
1583
iShares ESG Screened S&P Small-Cap ETF
XJR
$190M
$45K ﹤0.01%
1,361
+709
+109% +$24.9K
EDIV icon
1584
State Street SPDR S&P Emerging Markets Dividend ETF
EDIV
$1.22B
$44.7K ﹤0.01%
1,502
– –
SMOG icon
1585
VanEck Low Carbon Energy ETF
SMOG
$136M
$44.4K ﹤0.01%
424
+100
+31% +$11.8K
RNTX
1586
Rein Therapeutics
RNTX
$68.9M
$44.1K ﹤0.01%
28,997
-670
-2% -$1.14K
NEAR icon
1587
iShares Short Maturity Bond ETF
NEAR
$4.88B
$43.5K ﹤0.01%
871
+298
+52% +$14.8K
SQQQ icon
1588
ProShares UltraPro Short QQQ
SQQQ
$1.73B
$43.2K ﹤0.01%
85
+1
+1% +$469
SPIP icon
1589
State Street SPDR Portfolio TIPS ETF
SPIP
$1.01B
$42.8K ﹤0.01%
1,722
-102
-6% -$2.59K
IDEV icon
1590
iShares Core MSCI International Developed Markets ETF
IDEV
$32.7B
$42.5K ﹤0.01%
+730
New +$44.2K
BRF icon
1591
VanEck Brazil Small-Cap ETF
BRF
$20.4M
$42.1K ﹤0.01%
2,572
– –
ITEQ icon
1592
Amplify BlueStar Israel Technology ETF
ITEQ
$118M
$41.2K ﹤0.01%
1,000
+63
+7% +$2.81K
BITO icon
1593
ProShares Bitcoin Strategy ETF
BITO
$1.43B
$40.5K ﹤0.01%
2,935
+72
+3% +$1.05K
VISN
1594
Vistance Networks Inc
VISN
$2.67B
$40.3K ﹤0.01%
+11,990
New +$49.1K
GWH.WS
1595
DELISTED
ESS Tech Inc Warrant
GWH.WS
$39.6K ﹤0.01%
202,842
-41,481
-17% -$7.06K
SLQD icon
1596
iShares 0-5 Year Investment Grade Corporate Bond ETF
SLQD
$2.38B
$39.3K ﹤0.01%
818
+520
+174% +$25K
SPYX icon
1597
State Street SPDR S&P 500 Fossil Fuel Reserves Free ETF
SPYX
$2.87B
$39.2K ﹤0.01%
1,128
– –
EQAL icon
1598
Invesco Russell 1000 Equal Weight ETF
EQAL
$844M
$39.2K ﹤0.01%
982
-1,507
-61% -$63.3K
IHF icon
1599
iShares US Healthcare Providers ETF
IHF
$1.27B
$38.9K ﹤0.01%
790
– –
EZM icon
1600
WisdomTree US MidCap Fund
EZM
$957M
$38.8K ﹤0.01%
765
– –
62 63
64
65 66

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William Blair & Company's Q3 2023 Portfolio in Review

As of Q3 2023, William Blair & Company held 1,877 positions worth $26.1B, down 4.5% from $27.3B the previous quarter. Its ten largest holdings account for 24% of the portfolio.

William Blair & Company's Q3 2023 filing shows 67 new, 674 increased, 719 reduced and 85 closed positions. Its largest new stake was Kenvue: 1,391,743 shares worth $27.9M. The largest sale was Apple, an estimated $37.6M.

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 Q3 2023 buy was Kenvue: 1,391,743 shares worth $27.9M.
  • William Blair & Company added most to LegalZoom.com in Q3 2023, an estimated $26.6M increase.
  • William Blair & Company's biggest Q3 2023 reduction was Apple, cutting an estimated $37.6M.
  • William Blair & Company fully exited Activision Blizzard in Q3 2023, selling an estimated $20.6M.
  • William Blair & Company's ten largest holdings make up 24% of its $26.1B portfolio in Q3 2023.
  • William Blair & Company opened 67 new positions and closed 85 in Q3 2023.
  • William Blair & Company's portfolio value fell 4.5% quarter-over-quarter to $26.1B.

Based on William Blair & Company's 13F filing for Q3 2023, filed 9 Nov 2023.