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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
EL icon
276
Estee Lauder
EL
$31.7B
$12.4M 0.05%
85,451
-13,536
-14% -$2.26M
MO icon
277
Altria Group
MO
$107B
$12.2M 0.05%
290,901
+8,992
+3% +$397K
KNSL icon
278
Kinsale Capital Group
KNSL
$8.51B
$12.2M 0.05%
29,402
-672
-2% -$261K
KLAC icon
279
KLA
KLAC
$272B
$11.9M 0.05%
260,480
+16,080
+7% +$771K
APPF icon
280
AppFolio
APPF
$6.97B
$11.9M 0.05%
65,238
-918
-1% -$166K
SHAK icon
281
Shake Shack
SHAK
$2.94B
$11.8M 0.05%
204,005
-985
-0.5% -$70K
AGG icon
282
iShares Core US Aggregate Bond ETF
AGG
$138B
$11.8M 0.05%
125,614
-1,226
-1% -$118K
XLK icon
283
State Street Technology Select Sector SPDR ETF
XLK
$124B
$11.2M 0.04%
136,770
+5,154
+4% +$442K
HAL icon
284
Halliburton
HAL
$27.7B
$11.1M 0.04%
273,834
-220
-0.1% -$8.62K
AMAT icon
285
Applied Materials
AMAT
$435B
$11.1M 0.04%
79,864
-11,972
-13% -$1.72M
GDYN icon
286
Grid Dynamics Holdings
GDYN
$632M
$11M 0.04%
904,544
-31,398
-3% -$348K
EFX icon
287
Equifax
EFX
$21.2B
$11M 0.04%
60,071
+1,475
+3% +$301K
PH icon
288
Parker-Hannifin
PH
$135B
$10.9M 0.04%
28,043
-553
-2% -$222K
DOV icon
289
Dover
DOV
$28B
$10.8M 0.04%
77,411
-326
-0.4% -$47.1K
SDY icon
290
State Street SPDR S&P Dividend ETF
SDY
$22.1B
$10.5M 0.04%
91,398
+1,371
+2% +$167K
WCN
291
Waste Connections
WCN
$41.6B
$10.5M 0.04%
78,128
+2,702
+4% +$378K
VRRM icon
292
Verra Mobility
VRRM
$714M
$10.5M 0.04%
560,520
+210,664
+60% +$4.09M
MDT icon
293
Medtronic
MDT
$116B
$10.5M 0.04%
133,623
+29,359
+28% +$2.46M
SLB icon
294
SLB Ltd
SLB
$78.1B
$10.4M 0.04%
178,146
+12,400
+7% +$719K
WFC icon
295
Wells Fargo
WFC
$269B
$10.3M 0.04%
252,949
-3,265
-1% -$141K
SEE
296
DELISTED
Sealed Air
SEE
$10.3M 0.04%
313,879
-19,245
-6% -$744K
KMI icon
297
Kinder Morgan
KMI
$70.7B
$10.3M 0.04%
621,903
-20,312
-3% -$350K
RIVN icon
298
Rivian
RIVN
$23.1B
$10.3M 0.04%
424,144
+346,441
+446% +$8.09M
SHW icon
299
Sherwin-Williams
SHW
$87.4B
$10.3M 0.04%
40,200
-473
-1% -$127K
NOC icon
300
Northrop Grumman
NOC
$82B
$10.2M 0.04%
23,139
-1,056
-4% -$464K
10 11
12
13 14

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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.