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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
FWONA icon
1776
Liberty Media Series A
FWONA
$23.7B
$473 ﹤0.01%
7
+4
+133% +$241
EBND icon
1777
State Street SPDR Bloomberg Emerging Markets Local Bond ETF
EBND
$2.27B
$467 ﹤0.01%
22
– –
BLV icon
1778
Vanguard Long-Term Bond ETF
BLV
$5.7B
$383 ﹤0.01%
+5
New +$378
PSR icon
1779
Invesco Active US Real Estate Fund
PSR
$59.2M
$350 ﹤0.01%
4
– –
BUZZ icon
1780
VanEck Social Sentiment ETF
BUZZ
$101M
$328 ﹤0.01%
22
– –
SRS icon
1781
ProShares UltraShort Real Estate
SRS
$16.1M
$87 ﹤0.01%
1
– –
AB icon
1782
AllianceBernstein
AB
$3.4B
– –
-6,689
Closed -$230K
ACVA icon
1783
ACV Auctions
ACVA
$1.35B
– –
-13,190
Closed -$108K
AGZ icon
1784
iShares Agency Bond ETF
AGZ
$564M
– –
-75
Closed -$8.01K
ALTG icon
1785
Alta Equipment Group
ALTG
$254M
– –
-138,289
Closed -$1.82M
APAM icon
1786
Artisan Partners
APAM
$2.97B
– –
-26,538
Closed -$788K
AQN icon
1787
Algonquin Power & Utilities
AQN
$4.44B
– –
-10,626
Closed -$69.3K
ARHS icon
1788
Arhaus
ARHS
$1.37B
– –
-10,700
Closed -$104K
ASB icon
1789
Associated Banc-Corp
ASB
$6.07B
– –
-9,459
Closed -$218K
ATNM icon
1790
Actinium Pharmaceuticals
ATNM
$25.8M
– –
-89,400
Closed -$952K
AZTA icon
1791
Azenta
AZTA
$1.47B
– –
-6,015
Closed -$350K
BF.A icon
1792
Brown-Forman Class A
BF.A
$13B
– –
-6
Closed -$395
BNDX icon
1793
Vanguard Total International Bond ETF
BNDX
$82.9B
– –
-6,171
Closed -$293K
CHPT icon
1794
ChargePoint
CHPT
$166M
– –
-617
Closed -$118K
COCO icon
1795
Vita Coco
COCO
$3.85B
– –
-57,500
Closed -$795K
CRD.B icon
1796
Crawford & Co Class B
CRD.B
$589M
– –
-14,434
Closed -$76.6K
CXT icon
1797
Crane NXT
CXT
$2.99B
– –
-6,961
Closed -$243K
DDM icon
1798
ProShares Ultra Dow30
DDM
$543M
– –
-2,700
Closed -$86.2K
EUM icon
1799
ProShares Trust Short MSCI Emerging Markets
EUM
$9.3M
– –
-98
Closed -$2.98K
EWZS icon
1800
iShares MSCI Brazil Small-Cap ETF
EWZS
$209M
– –
-200
Closed -$2.33K
70 71
72
73 74

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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.