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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
+7.16%
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
$34.1B
AUM Growth
+$1.63B
Cap. Flow
-$169M
Cap. Flow %
-0.5%
Top 10 Hldgs %
23.77%
Holding
1,892
New
86
Increased
671
Reduced
778
Closed
71

Top Buys

Rank Stock Value
1
NVDA icon
NVIDIA
NVDA
+$92.1M
2
AAON icon
Aaon
AAON
+$55.5M
3
P
Everpure Inc
P
+$43.5M
4
BAH icon
Booz Allen Hamilton
BAH
+$29M
5
RBC icon
RBC Bearings
RBC
+$26.8M

Top Sells

Rank Stock Value
1
DXCM icon
DexCom
DXCM
+$128M
2
CRWD icon
CrowdStrike
CRWD
+$42.9M
3
BLK icon
Blackrock
BLK
+$42M
4
CSGP icon
CoStar Group
CSGP
+$41.5M
5
SBUX icon
Starbucks
SBUX
+$38.8M

Sector Composition

Rank Sector Weight
1 Technology 27.11%
2 Healthcare 14.76%
3 Financials 12.67%
4 Industrials 11.93%
5 Consumer Discretionary 7.9%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
SCHH icon
1576
Schwab US REIT ETF
SCHH
$11.4B
$71.2K ﹤0.01%
3,074
-59
-2% -$1.29K
EWA icon
1577
iShares MSCI Australia ETF
EWA
$1.45B
$69.9K ﹤0.01%
2,580
– –
LRGF icon
1578
iShares US Equity Factor ETF
LRGF
$3.71B
$69.6K ﹤0.01%
1,185
– –
IYM icon
1579
iShares US Basic Materials ETF
IYM
$1.25B
$69.5K ﹤0.01%
463
-169
-27% -$24.1K
IGE icon
1580
iShares North American Natural Resources ETF
IGE
$758M
$68.6K ﹤0.01%
1,556
+4
+0.3% +$176
IEO icon
1581
iShares US Oil & Gas Exploration & Production ETF
IEO
$543M
$68.2K ﹤0.01%
745
-1,166
-61% -$111K
FDIS icon
1582
Fidelity MSCI Consumer Discretionary Index ETF
FDIS
$1.74B
$67.9K ﹤0.01%
768
+160
+26% +$13.3K
BFLY icon
1583
Butterfly Network
BFLY
$2.35B
$67.8K ﹤0.01%
+38,300
New +$47.9K
AOA icon
1584
iShares Core 80/20 Aggressive Allocation ETF
AOA
$3.28B
$67.3K ﹤0.01%
853
-587
-41% -$44.6K
RSPE icon
1585
Invesco ESG S&P 500 Equal Weight ETF
RSPE
$69.7M
$66.4K ﹤0.01%
2,416
– –
GGT
1586
Gabelli Multimedia Trust
GGT
$174M
$66K ﹤0.01%
13,392
– –
NAUG
1587
Innovator Growth-100 Power Buffer ETF - August
NAUG
$39.2M
$65.6K ﹤0.01%
+2,625
New +$64K
VTHR icon
1588
Vanguard Russell 3000 ETF
VTHR
$4.85B
$65.4K ﹤0.01%
258
+6
+2% +$1.47K
TDOC icon
1589
Teladoc Health
TDOC
$1.3B
$65.3K ﹤0.01%
7,108
+1,399
+25% +$11.6K
IAI icon
1590
iShares US Broker-Dealers & Securities Exchanges ETF
IAI
$1.36B
$64.3K ﹤0.01%
500
– –
SH icon
1591
ProShares Short S&P500
SH
$897M
$64K ﹤0.01%
1,476
-994
-40% -$45K
SLQD icon
1592
iShares 0-5 Year Investment Grade Corporate Bond ETF
SLQD
$2.38B
$64K ﹤0.01%
1,269
– –
MPT
1593
Medical Properties Trust
MPT
$2.81B
$63.9K ﹤0.01%
10,917
-209
-2% -$1.03K
EDIV icon
1594
State Street SPDR S&P Emerging Markets Dividend ETF
EDIV
$1.23B
$63.5K ﹤0.01%
1,686
+184
+12% +$6.64K
IDU icon
1595
iShares US Utilities ETF
IDU
$1.4B
$63.3K ﹤0.01%
620
– –
DFTX
1596
Definium Therapeutics
DFTX
$6.12B
$62.6K ﹤0.01%
11,000
-268
-2% -$1.86K
NEPH icon
1597
Nephros
NEPH
$45.7M
$62K ﹤0.01%
36,249
– –
FBT icon
1598
First Trust NYSE Arca Biotechnology Index Fund
FBT
$2.83B
$60.2K ﹤0.01%
350
-50
-13% -$8.28K
DFEB icon
1599
FT Vest US Equity Deep Buffer ETF February
DFEB
$466M
$59.5K ﹤0.01%
1,426
– –
IZRL icon
1600
ARK Israel Innovative Technology ETF
IZRL
$141M
$59.2K ﹤0.01%
2,990
– –
62 63
64
65 66

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William Blair & Company's Q3 2024 Portfolio in Review

As of Q3 2024, William Blair & Company held 1,892 positions worth $34.1B, up 5% from $32.4B the previous quarter. Its ten largest holdings account for 24% of the portfolio.

William Blair & Company's Q3 2024 filing shows 86 new, 671 increased, 778 reduced and 71 closed positions. Its largest new stake was PAR Technology: 73,733 shares worth $3.84M. The largest sale was DexCom, an estimated $128M.

By sector, the portfolio is most concentrated in Technology at 27% of assets, down from 27% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q3 2024 buy was PAR Technology: 73,733 shares worth $3.84M.
  • William Blair & Company added most to NVIDIA in Q3 2024, an estimated $92.1M increase.
  • William Blair & Company's biggest Q3 2024 reduction was DexCom, cutting an estimated $128M.
  • William Blair & Company fully exited Blackrock in Q3 2024, selling an estimated $42M.
  • William Blair & Company's ten largest holdings make up 24% of its $34.1B portfolio in Q3 2024.
  • William Blair & Company opened 86 new positions and closed 71 in Q3 2024.
  • William Blair & Company's portfolio value rose 5% quarter-over-quarter to $34.1B.

Based on William Blair & Company's 13F filing for Q3 2024, filed 12 Nov 2024.