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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
RSG icon
476
Republic Services
RSG
$65.6B
$4.28M 0.02%
31,647
+656
+2% +$83.7K
PPG icon
477
PPG Industries
PPG
$25.5B
$4.27M 0.02%
31,976
+3,827
+14% +$494K
CACC icon
478
Credit Acceptance
CACC
$5.99B
$4.24M 0.02%
9,726
– –
FCN icon
479
FTI Consulting
FCN
$4.22B
$4.23M 0.02%
21,426
-1,072
-5% -$186K
DBX icon
480
Dropbox
DBX
$7.31B
$4.15M 0.02%
192,176
-861
-0.4% -$18.9K
VIS icon
481
Vanguard Industrials ETF
VIS
$8.5B
$4.11M 0.02%
21,579
+181
+0.8% +$34.4K
INCY icon
482
Incyte
INCY
$24.5B
$4.02M 0.02%
55,560
-536
-1% -$41.9K
VYMI icon
483
Vanguard International High Dividend Yield ETF
VYMI
$21.3B
$4M 0.02%
64,614
-1,257
-2% -$78.4K
IWS icon
484
iShares Russell Mid-Cap Value ETF
IWS
$16B
$3.99M 0.02%
37,558
-3,286
-8% -$359K
YUM icon
485
Yum! Brands
YUM
$41B
$3.97M 0.02%
30,046
-1,204
-4% -$155K
XME icon
486
State Street SPDR S&P Metals & Mining ETF
XME
$4.52B
$3.91M 0.02%
73,473
+10,954
+18% +$596K
TTE icon
487
TotalEnergies
TTE
$194B
$3.91M 0.02%
66,143
+8,827
+15% +$543K
PHYS icon
488
Sprott Physical Gold
PHYS
$16B
$3.9M 0.02%
252,526
+11,744
+5% +$172K
ICLN icon
489
iShares Global Clean Energy ETF
ICLN
$2.12B
$3.87M 0.02%
195,696
+1,040
+0.5% +$20.6K
SNOW icon
490
Snowflake
SNOW
$115B
$3.85M 0.02%
24,979
+2,481
+11% +$364K
CERT icon
491
Certara
CERT
$1.22B
$3.85M 0.02%
159,763
-1,517
-0.9% -$30K
FSLR icon
492
First Solar
FSLR
$24.4B
$3.85M 0.02%
17,695
-25,761
-59% -$4.7M
SU icon
493
Suncor Energy
SU
$74.7B
$3.85M 0.02%
123,874
-980
-0.8% -$31.9K
LMBS icon
494
First Trust Exchange-Traded Fund IV First Trust Low Duration Opportunities ETF
LMBS
$6.39B
$3.84M 0.02%
80,129
-132,073
-62% -$6.32M
VOT icon
495
Vanguard Morningstar Mid-Cap Growth ETF
VOT
$20B
$3.82M 0.02%
19,605
-548
-3% -$105K
DOCS icon
496
Doximity
DOCS
$4.45B
$3.8M 0.02%
117,465
+3,549
+3% +$118K
BBY icon
497
Best Buy
BBY
$17.5B
$3.79M 0.02%
48,462
-8,849
-15% -$729K
BND icon
498
Vanguard Total Bond Market
BND
$161B
$3.79M 0.02%
51,344
+7,566
+17% +$554K
SPSB icon
499
State Street SPDR Portfolio Short Term Corporate Bond ETF
SPSB
$10.8B
$3.79M 0.02%
127,777
-13,518
-10% -$399K
TDY icon
500
Teledyne Technologies
TDY
$31.8B
$3.78M 0.02%
8,451
+6,776
+405% +$2.87M
18 19
20
21 22

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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.