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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
+9.7%
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
$27.3B
AUM Growth
+$2.26B
Cap. Flow
+$202M
Cap. Flow %
0.74%
Top 10 Hldgs %
24.36%
Holding
1,897
New
97
Increased
682
Reduced
737
Closed
88

Top Buys

Rank Stock Value
1
COST icon
Costco
COST
+$28.3M
2
ALL icon
Allstate
ALL
+$25.8M
3
ISRG icon
Intuitive Surgical
ISRG
+$19.6M
4
NEOG icon
Neogen
NEOG
+$17.4M
5
DV icon
DoubleVerify
DV
+$17.3M

Top Sells

Rank Stock Value
1
NBIX icon
Neurocrine Biosciences
NBIX
+$29.1M
2
PLNT icon
Planet Fitness
PLNT
+$20.4M
3
ABNB icon
Airbnb
ABNB
+$17.1M
4
IBM icon
IBM
IBM
+$14.8M
5
XMTR icon
Xometry
XMTR
+$10.8M

Sector Composition

Rank Sector Weight
1 Technology 25.59%
2 Healthcare 18.44%
3 Industrials 11.64%
4 Financials 11.51%
5 Consumer Discretionary 8.51%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
WFC icon
301
Wells Fargo
WFC
$266B
$10.9M 0.04%
256,214
-11,555
-4% -$465K
PLMR icon
302
Palomar
PLMR
$3.37B
$10.9M 0.04%
187,413
-13,537
-7% -$724K
SHW icon
303
Sherwin-Williams
SHW
$87.8B
$10.8M 0.04%
40,673
-4,044
-9% -$952K
WCN
304
Waste Connections
WCN
$41.6B
$10.8M 0.04%
75,426
+2,263
+3% +$316K
GIS icon
305
General Mills
GIS
$20.8B
$10.5M 0.04%
137,338
+2,398
+2% +$205K
SITE icon
306
SiteOne Landscape Supply
SITE
$4.27B
$10.5M 0.04%
62,717
-974
-2% -$144K
U icon
307
Unity
U
$20.2B
$10.4M 0.04%
239,019
+8,640
+4% +$277K
MCO icon
308
Moody's
MCO
$84.6B
$10.2M 0.04%
29,257
-30
-0.1% -$9.51K
FIS icon
309
Fidelity National Information Services
FIS
$22.8B
$10.1M 0.04%
184,833
+21,423
+13% +$1.18M
BLBD icon
310
Blue Bird Corp
BLBD
$2.05B
$10M 0.04%
446,759
+85
+0% +$1.82K
NSC icon
311
Norfolk Southern
NSC
$75.9B
$9.94M 0.04%
43,851
-3,957
-8% -$841K
TECH icon
312
Bio-Techne
TECH
$11.2B
$9.93M 0.04%
121,595
+6,934
+6% +$557K
DLB icon
313
Dolby
DLB
$5.84B
$9.85M 0.04%
117,671
+9,170
+8% +$766K
VXF icon
314
Vanguard Extended Market ETF
VXF
$32.3B
$9.84M 0.04%
66,129
-2,723
-4% -$382K
ASML icon
315
ASML
ASML
$710B
$9.72M 0.04%
13,416
-157
-1% -$107K
DFS
316
DELISTED
Discover Financial Services
DFS
$9.68M 0.04%
82,799
+4,937
+6% +$517K
FVD icon
317
First Trust Value Line Dividend Fund
FVD
$8.4B
$9.65M 0.04%
240,824
+211,163
+712% +$8.45M
AMK
318
DELISTED
AssetMark Financial Holdings, Inc.
AMK
$9.62M 0.04%
324,390
-23,335
-7% -$685K
MMM icon
319
3M
MMM
$94.2B
$9.56M 0.04%
114,188
-24,695
-18% -$2.1M
ZM icon
320
Zoom
ZM
$32.2B
$9.48M 0.03%
139,624
+10,734
+8% +$718K
WM icon
321
Waste Management
WM
$89.6B
$9.47M 0.03%
54,612
+2,738
+5% +$453K
GDX icon
322
VanEck Gold Miners ETF
GDX
$26.9B
$9.32M 0.03%
309,448
-11,074
-3% -$361K
IWR icon
323
iShares Russell Mid-Cap ETF
IWR
$58.3B
$9.32M 0.03%
127,581
+31,689
+33% +$2.2M
GOGO icon
324
Gogo Inc
GOGO
$377M
$9.24M 0.03%
543,014
+201,913
+59% +$2.99M
MDT icon
325
Medtronic
MDT
$116B
$9.19M 0.03%
104,264
-5,722
-5% -$493K
11 12
13
14 15

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William Blair & Company's Q2 2023 Portfolio in Review

As of Q2 2023, William Blair & Company held 1,897 positions worth $27.3B, up 9% from $25B the previous quarter. Its ten largest holdings account for 24% of the portfolio.

William Blair & Company's Q2 2023 filing shows 97 new, 682 increased, 737 reduced and 88 closed positions. Its largest new stake was Innovator US Equity Power Buffer ETF April: 112,249 shares worth $3.47M. The largest sale was Neurocrine Biosciences, an estimated $29.1M.

By sector, the portfolio is most concentrated in Technology at 26% of assets, up from 25% a quarter earlier, followed by Healthcare and Industrials.

  • William Blair & Company's largest Q2 2023 buy was Innovator US Equity Power Buffer ETF April: 112,249 shares worth $3.47M.
  • William Blair & Company added most to Costco in Q2 2023, an estimated $28.3M increase.
  • William Blair & Company's biggest Q2 2023 reduction was Neurocrine Biosciences, cutting an estimated $29.1M.
  • William Blair & Company fully exited ABB Ltd in Q2 2023, selling an estimated $7.21M.
  • William Blair & Company's ten largest holdings make up 24% of its $27.3B portfolio in Q2 2023.
  • William Blair & Company opened 97 new positions and closed 88 in Q2 2023.
  • William Blair & Company's portfolio value rose 9% quarter-over-quarter to $27.3B.

Based on William Blair & Company's 13F filing for Q2 2023, filed 11 Aug 2023.