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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
KAI icon
426
Kadant
KAI
$3.94B
$5.27M 0.02%
23,382
-4,091
-15% -$886K
WBA
427
DELISTED
Walgreens Boots Alliance
WBA
$5.26M 0.02%
236,398
-21,196
-8% -$564K
TSM icon
428
TSMC
TSM
$2.23T
$5.21M 0.02%
59,961
-1,090
-2% -$103K
THR
429
DELISTED
Thermon Group Holdings
THR
$5.16M 0.02%
187,976
-5,324
-3% -$143K
LFUS icon
430
Littelfuse
LFUS
$11.7B
$5.16M 0.02%
20,855
-357
-2% -$96.7K
QDEL icon
431
QuidelOrtho
QDEL
$1.02B
$5.13M 0.02%
70,282
-4,037
-5% -$322K
SUB icon
432
iShares Short-Term National Muni Bond ETF
SUB
$11.4B
$5.08M 0.02%
49,433
+2,765
+6% +$287K
NUE icon
433
Nucor
NUE
$61.7B
$5.06M 0.02%
32,392
-1,262
-4% -$209K
APP icon
434
Applovin
APP
$102B
$5.05M 0.02%
+126,413
New +$4.48M
ITA icon
435
iShares US Aerospace & Defense ETF
ITA
$15B
$5.01M 0.02%
47,319
-662
-1% -$75.5K
VIGI icon
436
Vanguard International Dividend Appreciation ETF
VIGI
$9.28B
$4.96M 0.02%
69,566
+2,463
+4% +$183K
TTWO icon
437
Take-Two Interactive
TTWO
$45.4B
$4.96M 0.02%
35,329
-162
-0.5% -$23.3K
ENS icon
438
EnerSys
ENS
$6.81B
$4.93M 0.02%
52,074
-5
-0% -$513
WMG icon
439
Warner Music
WMG
$13B
$4.92M 0.02%
156,836
-2,418
-2% -$75.8K
INDA icon
440
iShares MSCI India ETF
INDA
$6.58B
$4.92M 0.02%
111,362
-100
-0.1% -$4.42K
XYL icon
441
Xylem
XYL
$28.5B
$4.87M 0.02%
53,503
-626
-1% -$64.6K
HEFA icon
442
iShares Currency Hedged MSCI EAFE ETF
HEFA
$7.79B
$4.86M 0.02%
161,463
-965
-0.6% -$29.2K
MRCY icon
443
Mercury Systems
MRCY
$6.7B
$4.84M 0.02%
130,607
-16,784
-11% -$619K
FND icon
444
Floor & Decor
FND
$6.32B
$4.83M 0.02%
53,417
-1,312
-2% -$134K
JAMF
445
DELISTED
Jamf
JAMF
$4.81M 0.02%
272,283
+14,332
+6% +$266K
TPL icon
446
Texas Pacific Land
TPL
$23.6B
$4.8M 0.02%
23,697
-45
-0.2% -$8.49K
NOBL icon
447
ProShares S&P 500 Dividend Aristocrats ETF
NOBL
$11.9B
$4.78M 0.02%
107,892
-1,866
-2% -$87.6K
BOTZ icon
448
Global X Robotics & Artificial Intelligence ETF
BOTZ
$3.59B
$4.75M 0.02%
191,990
-2,368
-1% -$63.9K
RSG icon
449
Republic Services
RSG
$65.6B
$4.72M 0.02%
33,097
-1,396
-4% -$207K
HACK icon
450
Amplify Cybersecurity ETF
HACK
$3B
$4.71M 0.02%
91,348
+263
+0.3% +$13.5K
16 17
18
19 20

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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.