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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
DUK icon
326
Duke Energy
DUK
$96.3B
$8.77M 0.03%
99,330
+2,062
+2% +$189K
OPCH icon
327
Option Care Health
OPCH
$3.57B
$8.73M 0.03%
269,860
+11,905
+5% +$401K
BABA icon
328
Alibaba
BABA
$300B
$8.65M 0.03%
99,742
+471
+0.5% +$43.1K
NSC icon
329
Norfolk Southern
NSC
$75.3B
$8.65M 0.03%
43,927
+76
+0.2% +$16.4K
PLMR icon
330
Palomar
PLMR
$3.36B
$8.64M 0.03%
170,303
-17,110
-9% -$936K
NVS icon
331
Novartis
NVS
$290B
$8.63M 0.03%
84,691
-2,292
-3% -$233K
MMM icon
332
3M
MMM
$94.8B
$8.61M 0.03%
109,942
-4,246
-4% -$365K
AMP icon
333
Ameriprise Financial
AMP
$49.9B
$8.56M 0.03%
25,966
-385
-1% -$131K
WM icon
334
Waste Management
WM
$90.5B
$8.5M 0.03%
55,771
+1,159
+2% +$188K
EEM icon
335
iShares MSCI Emerging Markets ETF
EEM
$30.4B
$8.47M 0.03%
223,100
-7,724
-3% -$306K
KHC icon
336
Kraft Heinz
KHC
$29.1B
$8.45M 0.03%
251,277
-158,888
-39% -$5.49M
FERG icon
337
Ferguson
FERG
$47.4B
$8.34M 0.03%
+50,717
New +$8.01M
GDX icon
338
VanEck Gold Miners ETF
GDX
$27.8B
$8.25M 0.03%
306,546
-2,902
-0.9% -$85.5K
TECH icon
339
Bio-Techne
TECH
$11.3B
$8.23M 0.03%
120,833
-762
-0.6% -$60.2K
MRSH
340
Marsh
MRSH
$90.1B
$8.22M 0.03%
43,210
+5,835
+16% +$1.12M
ASML icon
341
ASML
ASML
$695B
$8.11M 0.03%
13,776
+360
+3% +$239K
FSV icon
342
FirstService
FSV
$6.24B
$8.09M 0.03%
55,600
-2,111
-4% -$322K
VB icon
343
Vanguard Morningstar Small-Cap ETF
VB
$83B
$8.07M 0.03%
42,699
-2,005
-4% -$399K
SMH icon
344
VanEck Semiconductor ETF
SMH
$72B
$8.07M 0.03%
55,639
+19,151
+52% +$2.9M
QNST icon
345
QuinStreet
QNST
$1.19B
$7.98M 0.03%
889,859
+12,522
+1% +$116K
HUM icon
346
Humana
HUM
$46.7B
$7.9M 0.03%
16,241
+445
+3% +$209K
XBI icon
347
State Street SPDR S&P Biotech ETF
XBI
$10.5B
$7.86M 0.03%
107,668
-1,492
-1% -$119K
BKNG icon
348
Booking.com
BKNG
$159B
$7.83M 0.03%
63,450
+700
+1% +$84.8K
GPN icon
349
Global Payments
GPN
$23.4B
$7.83M 0.03%
67,831
+22,180
+49% +$2.64M
ODFL icon
350
Old Dominion Freight Line
ODFL
$44.1B
$7.75M 0.03%
37,860
+1,252
+3% +$253K
12 13
14
15 16

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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.