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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
TBT icon
1776
ProShares Trust UltraShort Lehman 20+ Year Treasury
TBT
$312M
$4.47K ﹤0.01%
150
– –
SPLB icon
1777
State Street SPDR Portfolio Long Term Corporate Bond ETF
SPLB
$1.17B
$4.2K ﹤0.01%
+174
New +$4.09K
DFNM icon
1778
Dimensional National Municipal Bond ETF
DFNM
$2.24B
$3.98K ﹤0.01%
82
+6
+8% +$289
SJB icon
1779
ProShares Short High Yield
SJB
$47.7M
$3.81K ﹤0.01%
+235
New +$3.92K
PAWZ icon
1780
ProShares Pet Care ETF
PAWZ
$33.6M
$3.7K ﹤0.01%
+62
New +$3.48K
IHE icon
1781
iShares US Pharmaceuticals ETF
IHE
$1.64B
$3.67K ﹤0.01%
52
– –
EINC icon
1782
VanEck Energy Income ETF
EINC
$80.3M
$3.22K ﹤0.01%
38
– –
EWP icon
1783
iShares MSCI Spain ETF
EWP
$2.17B
$3.18K ﹤0.01%
+90
New +$2.97K
XSW icon
1784
State Street SPDR S&P Software & Services ETF
XSW
$484M
$3.05K ﹤0.01%
+19
New +$2.92K
XRLV
1785
DELISTED
Invesco S&P 500 ex-Rate Sensitive Low Volatility ETF
XRLV
$2.98K ﹤0.01%
55
– –
IAK icon
1786
iShares US Insurance ETF
IAK
$540M
$2.84K ﹤0.01%
22
– –
FALN icon
1787
iShares Fallen Angels USD Bond ETF
FALN
$1.62B
$2.71K ﹤0.01%
99
+63
+175% +$1.69K
HLLY icon
1788
Holley
HLLY
$384M
$2.65K ﹤0.01%
+900
New +$3.02K
PBP icon
1789
Invesco S&P 500 BuyWrite ETF
PBP
$362M
$2.47K ﹤0.01%
108
– –
SILJ icon
1790
Amplify Junior Silver Miners ETF
SILJ
$3.85B
$2.45K ﹤0.01%
190
– –
PGF icon
1791
Invesco Financial Preferred ETF
PGF
$674M
$2.35K ﹤0.01%
150
– –
NORW icon
1792
Global X MSCI Norway ETF
NORW
$88.2M
$2.24K ﹤0.01%
87
– –
IYT icon
1793
iShares US Transportation ETF
IYT
$2.29B
$2.21K ﹤0.01%
32
– –
XSLV icon
1794
Invesco S&P SmallCap Low Volatility ETF
XSLV
$247M
$2.02K ﹤0.01%
42
– –
HYLS icon
1795
First Trust Exchange-Traded Fund IV First Trust Tactical High Yield ETF
HYLS
$1.63B
$1.93K ﹤0.01%
46
– –
PXH icon
1796
Invesco FTSE RAFI Emerging Markets ETF
PXH
$1.96B
$1.8K ﹤0.01%
82
-345
-81% -$7.07K
SEATW icon
1797
Vivid Seats Inc Warrant
SEATW
$544K
$1.61K ﹤0.01%
+7,000
New +$3.44K
PFFD icon
1798
Global X US Preferred ETF
PFFD
$2.17B
$1.55K ﹤0.01%
75
+1
+1% +$20
HLLY.WS
1799
DELISTED
Holley Inc Warrants
HLLY.WS
$1.49K ﹤0.01%
+27,000
New +$2.13K
IMCB icon
1800
iShares Morningstar Mid-Cap ETF
IMCB
$1.7B
$1.44K ﹤0.01%
+19
New +$1.38K
70 71
72
73 74

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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.