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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
DVYE icon
1526
iShares Emerging Markets Dividend ETF
DVYE
$1.21B
$76.7K ﹤0.01%
2,896
-427
-13% -$10.6K
IKT icon
1527
Inhibikase Therapeutics
IKT
$377M
$76.5K ﹤0.01%
60,268
+893
+2% +$924
DBEU icon
1528
Xtrackers MSCI Europe Hedged Equity ETF
DBEU
$798M
$75.5K ﹤0.01%
2,000
– –
SLQT icon
1529
SelectQuote
SLQT
$124M
$75.3K ﹤0.01%
55,000
– –
GVI icon
1530
iShares Intermediate Government/Credit Bond ETF
GVI
$3.79B
$73.9K ﹤0.01%
705
-973
-58% -$99.4K
SHYG icon
1531
iShares 0-5 Year High Yield Corporate Bond ETF
SHYG
$7.61B
$72.7K ﹤0.01%
1,723
+1,032
+149% +$42.6K
FSMB icon
1532
First Trust Short Duration Managed Municipal ETF
FSMB
$627M
$72.1K ﹤0.01%
3,614
– –
VTWG icon
1533
Vanguard Russell 2000 Growth ETF
VTWG
$1.56B
$72K ﹤0.01%
392
-255
-39% -$41.8K
ADPT icon
1534
Adaptive Biotechnologies
ADPT
$4.02B
$71.8K ﹤0.01%
14,649
-49,015
-77% -$224K
FCOM icon
1535
Fidelity MSCI Communication Services Index ETF
FCOM
$1.76B
$71.6K ﹤0.01%
1,608
– –
IAT icon
1536
iShares US Regional Banks ETF
IAT
$687M
$71.3K ﹤0.01%
1,704
– –
JHML icon
1537
John Hancock Multifactor Large Cap ETF
JHML
$1.2B
$71K ﹤0.01%
1,207
– –
SWN
1538
DELISTED
Southwestern Energy Company
SWN
$71K ﹤0.01%
10,833
– –
BBH icon
1539
VanEck Biotech ETF
BBH
$429M
$70.3K ﹤0.01%
425
– –
OVID icon
1540
Ovid Therapeutics
OVID
$489M
$69.8K ﹤0.01%
21,676
-401
-2% -$1.37K
DGRS icon
1541
WisdomTree Trust WisdomTree US SmallCap Quality Dividend Growth Fund
DGRS
$414M
$69.7K ﹤0.01%
1,470
-350
-19% -$14.8K
TCS
1542
DELISTED
THE CONTAINER STORE GROUP, INC.
TCS
$69.5K ﹤0.01%
2,033
– –
CTXR icon
1543
Citius Pharmaceuticals
CTXR
$21M
$69K ﹤0.01%
3,648
+2,040
+127% +$38.7K
EWX icon
1544
State Street SPDR S&P Emerging Markets Small Cap ETF
EWX
$702M
$68.9K ﹤0.01%
1,220
– –
PWV icon
1545
Invesco Large Cap Value ETF
PWV
$1.78B
$68.5K ﹤0.01%
1,350
– –
SGMO
1546
DELISTED
SANGAMO THERAPEUTICS INC
SGMO
$67.9K ﹤0.01%
124,902
-150,000
-55% -$69.2K
LMBS icon
1547
First Trust Exchange-Traded Fund IV First Trust Low Duration Opportunities ETF
LMBS
$6.39B
$67.7K ﹤0.01%
1,401
-9,702
-87% -$460K
EWZ icon
1548
iShares MSCI Brazil ETF
EWZ
$8.57B
$67.5K ﹤0.01%
1,932
-1,318
-41% -$42.7K
PCT icon
1549
PureCycle Technologies
PCT
$1.44B
$66.7K ﹤0.01%
16,471
– –
KBE icon
1550
State Street SPDR S&P Bank ETF
KBE
$1.74B
$66.6K ﹤0.01%
1,447
– –
60 61
62
63 64

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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.