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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
MAR icon
476
Marriott International
MAR
$92.5B
$4.57M 0.02%
20,280
-279
-1% -$56.6K
BN icon
477
Brookfield
BN
$110B
$4.55M 0.02%
170,160
-19,160
-10% -$435K
BROS icon
478
Dutch Bros
BROS
$8.91B
$4.54M 0.02%
143,337
+4,512
+3% +$123K
ENB icon
479
Enbridge
ENB
$112B
$4.53M 0.02%
125,720
+38
+0% +$1.28K
PJUN icon
480
Innovator US Equity Power Buffer ETF June
PJUN
$976M
$4.51M 0.02%
135,043
-500
-0.4% -$16.1K
MRCY icon
481
Mercury Systems
MRCY
$6.7B
$4.49M 0.02%
122,884
-7,723
-6% -$279K
HHS icon
482
Harte-Hanks
HHS
$18.6M
$4.49M 0.02%
660,845
– –
FNF icon
483
Fidelity National Financial
FNF
$12.8B
$4.45M 0.02%
87,172
-5,019
-5% -$218K
RCKT icon
484
Rocket Pharmaceuticals
RCKT
$374M
$4.4M 0.02%
146,879
-2,910
-2% -$64.2K
CGDV icon
485
Capital Group Dividend Value ETF
CGDV
$38.9B
$4.37M 0.01%
146,348
+107,314
+275% +$2.96M
COR icon
486
Cencora
COR
$60B
$4.35M 0.01%
21,178
-264
-1% -$51.5K
JAMF
487
DELISTED
Jamf
JAMF
$4.34M 0.01%
240,226
-32,057
-12% -$541K
SHEL icon
488
Shell
SHEL
$249B
$4.31M 0.01%
65,517
+3,308
+5% +$217K
RH icon
489
RH
RH
$3.41B
$4.31M 0.01%
14,787
-1,096
-7% -$283K
SRPT icon
490
Sarepta Therapeutics
SRPT
$1.94B
$4.28M 0.01%
44,367
-11,998
-21% -$1.15M
TCMD icon
491
Tactile Systems Technology
TCMD
$555M
$4.27M 0.01%
298,545
-34,675
-10% -$435K
TPL icon
492
Texas Pacific Land
TPL
$23.6B
$4.21M 0.01%
24,075
+378
+2% +$71.8K
PRAA icon
493
PRA Group
PRAA
$737M
$4.2M 0.01%
160,180
+11,415
+8% +$214K
PHYS icon
494
Sprott Physical Gold
PHYS
$16B
$4.19M 0.01%
262,971
-154,175
-37% -$2.37M
AZO icon
495
AutoZone
AZO
$49.7B
$4.19M 0.01%
1,620
-4
-0.2% -$10.4K
HDV
496
iShares Core High Dividend ETF
HDV
$15B
$4.18M 0.01%
204,870
-1,865
-0.9% -$36.7K
PBH icon
497
Prestige Consumer Healthcare
PBH
$2.48B
$4.17M 0.01%
68,196
+14,038
+26% +$834K
SCHG icon
498
Schwab US Large-Cap Growth ETF
SCHG
$62.6B
$4.15M 0.01%
200,212
-1,592
-0.8% -$30.8K
WOLF icon
499
Wolfspeed
WOLF
$1.65B
$4.15M 0.01%
95,370
-57,780
-38% -$2.1M
TT icon
500
Trane Technologies
TT
$105B
$4.15M 0.01%
16,996
+695
+4% +$152K
18 19
20
21 22

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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.