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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
+10.3%
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
$25B
AUM Growth
+$2.04B
Cap. Flow
+$116M
Cap. Flow %
0.46%
Top 10 Hldgs %
23.68%
Holding
1,879
New
69
Increased
680
Reduced
748
Closed
78

Top Buys

Rank Stock Value
1
NEOG icon
Neogen
NEOG
+$45.2M
2
PGR icon
Progressive
PGR
+$34.8M
3
TOST icon
Toast
TOST
+$33.8M
4
PWSC
PowerSchool Holdings, Inc.
PWSC
+$33.4M
5
UBER icon
Uber
UBER
+$30.4M

Top Sells

Rank Stock Value
1
GOOG icon
Alphabet (Google) Class C
GOOG
+$54.2M
2
LULU icon
lululemon athletica
LULU
+$53.4M
3
PYPL icon
PayPal
PYPL
+$45.8M
4
BAH icon
Booz Allen Hamilton
BAH
+$20.2M
5
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$17.8M

Sector Composition

Rank Sector Weight
1 Technology 24.61%
2 Healthcare 19.42%
3 Financials 11.75%
4 Industrials 11.37%
5 Consumer Discretionary 8.4%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
GDYN icon
301
Grid Dynamics Holdings
GDYN
$632M
$10.2M 0.04%
886,147
+421
+0% +$4.94K
NSC icon
302
Norfolk Southern
NSC
$75.3B
$10.1M 0.04%
47,808
-4,892
-9% -$1.13M
KLAC icon
303
KLA
KLAC
$272B
$10.1M 0.04%
253,720
+13,590
+6% +$536K
SHW icon
304
Sherwin-Williams
SHW
$87.4B
$10.1M 0.04%
44,717
-5,574
-11% -$1.28M
WFC icon
305
Wells Fargo
WFC
$269B
$10M 0.04%
267,769
-48,478
-15% -$2.11M
BABA icon
306
Alibaba
BABA
$300B
$9.92M 0.04%
97,048
+3,713
+4% +$372K
RVNC
307
DELISTED
Revance Therapeutics, Inc.
RVNC
$9.88M 0.04%
306,877
+181,372
+145% +$5.65M
XLK icon
308
State Street Technology Select Sector SPDR ETF
XLK
$124B
$9.8M 0.04%
129,804
-72
-0.1% -$4.96K
PH icon
309
Parker-Hannifin
PH
$135B
$9.79M 0.04%
29,119
+817
+3% +$271K
VXF icon
310
Vanguard Extended Market ETF
VXF
$32.1B
$9.65M 0.04%
68,852
+2,747
+4% +$390K
VUSB icon
311
Vanguard Ultra-Short Bond ETF
VUSB
$9.33B
$9.58M 0.04%
194,619
-10,544
-5% -$518K
ZM icon
312
Zoom
ZM
$30.8B
$9.52M 0.04%
128,890
+20,701
+19% +$1.49M
DUK icon
313
Duke Energy
DUK
$96.3B
$9.44M 0.04%
97,835
-11,398
-10% -$1.13M
DLB icon
314
Dolby
DLB
$5.75B
$9.27M 0.04%
108,501
-32,782
-23% -$2.65M
COO icon
315
Cooper Companies
COO
$15B
$9.26M 0.04%
99,256
-7,088
-7% -$609K
NEO icon
316
NeoGenomics
NEO
$2.11B
$9.26M 0.04%
531,671
-43,800
-8% -$624K
ASML icon
317
ASML
ASML
$695B
$9.24M 0.04%
13,573
+5,508
+68% +$3.54M
VBR icon
318
Vanguard Morningstar Small-Cap Value ETF
VBR
$38.1B
$9.14M 0.04%
57,550
+752
+1% +$124K
BLBD icon
319
Blue Bird Corp
BLBD
$2.04B
$9.13M 0.04%
446,674
– –
WBA
320
DELISTED
Walgreens Boots Alliance
WBA
$9.03M 0.04%
261,127
+26,514
+11% +$941K
MCO icon
321
Moody's
MCO
$82.8B
$8.96M 0.04%
29,287
-1,824
-6% -$551K
IAU icon
322
iShares Gold Trust
IAU
$65.4B
$8.91M 0.04%
238,462
-46,329
-16% -$1.66M
FIS icon
323
Fidelity National Information Services
FIS
$21.6B
$8.88M 0.04%
163,410
+28,272
+21% +$1.84M
MDT icon
324
Medtronic
MDT
$116B
$8.87M 0.04%
109,986
-27,286
-20% -$2.22M
BKI
325
DELISTED
Black Knight, Inc. Common Stock
BKI
$8.82M 0.04%
153,289
+33,600
+28% +$2.01M
11 12
13
14 15

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William Blair & Company's Q1 2023 Portfolio in Review

As of Q1 2023, William Blair & Company held 1,879 positions worth $25B, up 8.9% from $23B the previous quarter. Its ten largest holdings account for 24% of the portfolio.

William Blair & Company's Q1 2023 filing shows 69 new, 680 increased, 748 reduced and 78 closed positions. Its largest new stake was Neogen: 2,404,277 shares worth $44.5M. The largest sale was Alphabet (Google) Class C, an estimated $54.2M.

By sector, the portfolio is most concentrated in Technology at 25% of assets, up from 22% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q1 2023 buy was Neogen: 2,404,277 shares worth $44.5M.
  • William Blair & Company added most to Progressive in Q1 2023, an estimated $34.8M increase.
  • William Blair & Company's biggest Q1 2023 reduction was Alphabet (Google) Class C, cutting an estimated $54.2M.
  • William Blair & Company fully exited Coupa Software Incorporated in Q1 2023, selling an estimated $2.65M.
  • William Blair & Company's ten largest holdings make up 24% of its $25B portfolio in Q1 2023.
  • William Blair & Company opened 69 new positions and closed 78 in Q1 2023.
  • William Blair & Company's portfolio value rose 8.9% quarter-over-quarter to $25B.

Based on William Blair & Company's 13F filing for Q1 2023, filed 12 May 2023.