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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
+14.12%
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
$29.3B
AUM Growth
+$3.27B
Cap. Flow
-$91M
Cap. Flow %
-0.31%
Top 10 Hldgs %
24.41%
Holding
1,872
New
83
Increased
624
Reduced
816
Closed
87

Top Buys

Rank Stock Value
1
GWRE icon
Guidewire Software
GWRE
+$37.5M
2
SCHW
Charles Schwab
SCHW
+$37.1M
3
VLTO icon
Veralto
VLTO
+$17.1M
4
VRTX icon
Vertex Pharmaceuticals
VRTX
+$16.7M
5
CSGP icon
CoStar Group
CSGP
+$16.3M

Top Sells

Rank Stock Value
1
DHR icon
Danaher
DHR
+$37.6M
2
IRTC icon
iRhythm Holdings
IRTC
+$26.7M
3
DE icon
Deere & Co
DE
+$22.6M
4
TOST icon
Toast
TOST
+$21.2M
5
KO icon
Coca-Cola
KO
+$20.3M

Sector Composition

Rank Sector Weight
1 Technology 26.35%
2 Healthcare 17.08%
3 Financials 12.09%
4 Industrials 11.7%
5 Consumer Discretionary 8.53%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
EVTC icon
951
Evertec
EVTC
$1.91B
$743K ﹤0.01%
18,141
+3,236
+22% +$119K
HUBS icon
952
HubSpot
HUBS
$12B
$741K ﹤0.01%
1,276
-164
-11% -$78.9K
GTLS
953
DELISTED
Chart Industries
GTLS
$736K ﹤0.01%
5,397
-605
-10% -$81.8K
SHV icon
954
iShares 0-1 Year Treasury Bond ETF
SHV
$20.6B
$734K ﹤0.01%
6,669
+473
+8% +$52.1K
DKNG icon
955
DraftKings
DKNG
$12.6B
$734K ﹤0.01%
20,823
-6,770
-25% -$227K
KSS icon
956
Kohl's
KSS
$2.22B
$733K ﹤0.01%
25,566
+1,031
+4% +$24.2K
FANG icon
957
Diamondback Energy
FANG
$55.9B
$727K ﹤0.01%
4,690
-1,259
-21% -$197K
WBD icon
958
Warner Bros
WBD
$69.6B
$727K ﹤0.01%
63,888
-6,439
-9% -$69.5K
FSLR icon
959
First Solar
FSLR
$24B
$725K ﹤0.01%
4,211
+180
+4% +$27.5K
MGPI icon
960
MGP Ingredients
MGPI
$389M
$725K ﹤0.01%
7,356
+2,426
+49% +$233K
DAVA icon
961
Endava
DAVA
$167M
$719K ﹤0.01%
9,236
-42,245
-82% -$2.61M
LVS icon
962
Las Vegas Sands
LVS
$29.6B
$717K ﹤0.01%
14,578
+3,294
+29% +$156K
OGE icon
963
OGE Energy
OGE
$9.71B
$717K ﹤0.01%
20,529
+42
+0.2% +$1.45K
SUSL icon
964
iShares ESG MSCI USA Leaders ETF
SUSL
$1.22B
$715K ﹤0.01%
8,470
-860
-9% -$67.8K
BAM icon
965
Brookfield Asset Management
BAM
$89.2B
$713K ﹤0.01%
17,748
-3,716
-17% -$126K
TRU icon
966
TransUnion
TRU
$15.5B
$710K ﹤0.01%
10,328
-14,247
-58% -$868K
MIDD icon
967
Middleby
MIDD
$5.29B
$705K ﹤0.01%
4,791
– –
EYE icon
968
National Vision
EYE
$1.51B
$703K ﹤0.01%
33,591
-229
-0.7% -$4.06K
ECPG icon
969
Encore Capital Group
ECPG
$2.15B
$698K ﹤0.01%
13,762
-1,000
-7% -$45.4K
VCSH icon
970
Vanguard Short-Term Corporate Bond ETF
VCSH
$45.1B
$698K ﹤0.01%
9,022
-226
-2% -$17.1K
SMCI icon
971
Super Micro Computer
SMCI
$25.3B
$697K ﹤0.01%
24,520
-3,520
-13% -$97.6K
SPIB icon
972
State Street SPDR Portfolio Intermediate Term Corporate Bond ETF
SPIB
$11.6B
$697K ﹤0.01%
21,228
+8,000
+60% +$254K
EEFT icon
973
Euronet Worldwide
EEFT
$2.78B
$694K ﹤0.01%
6,834
-1,217
-15% -$104K
ITGR icon
974
Integer Holdings
ITGR
$4.25B
$694K ﹤0.01%
7,000
– –
TTD icon
975
Trade Desk
TTD
$6.84B
$693K ﹤0.01%
9,632
-1,400
-13% -$103K
37 38
39
40 41

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William Blair & Company's Q4 2023 Portfolio in Review

As of Q4 2023, William Blair & Company held 1,872 positions worth $29.3B, up 13% from $26.1B the previous quarter. Its ten largest holdings account for 24% of the portfolio.

William Blair & Company's Q4 2023 filing shows 83 new, 624 increased, 816 reduced and 87 closed positions. Its largest new stake was Veralto: 229,539 shares worth $18.9M. The largest sale was Danaher, an estimated $37.6M.

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

  • William Blair & Company's largest Q4 2023 buy was Veralto: 229,539 shares worth $18.9M.
  • William Blair & Company added most to Guidewire Software in Q4 2023, an estimated $37.5M increase.
  • William Blair & Company's biggest Q4 2023 reduction was Danaher, cutting an estimated $37.6M.
  • William Blair & Company fully exited Seagen Inc. Common Stock in Q4 2023, selling an estimated $13.8M.
  • William Blair & Company's ten largest holdings make up 24% of its $29.3B portfolio in Q4 2023.
  • William Blair & Company opened 83 new positions and closed 87 in Q4 2023.
  • William Blair & Company's portfolio value rose 13% quarter-over-quarter to $29.3B.

Based on William Blair & Company's 13F filing for Q4 2023, filed 12 Feb 2024.