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William Blair & Company

William Blair & Company Portfolio holdings

AUM $34.9B
1-Year Est. Return 18.88%
This Fund
S&P 500
This Quarter Est. Return
+7.16%
1 Year Est. Return
+18.88%
3 Year Est. Return
+73.84%
5 Year Est. Return
+90.13%
10 Year Est. Return
+563.35%
AUM
$34.1B
AUM Growth
+$1.63B
Cap. Flow
-$169M
Cap. Flow %
-0.5%
Top 10 Hldgs %
23.77%
Holding
1,892
New
86
Increased
671
Reduced
778
Closed
71

Top Buys

Rank Stock Value
1
NVDA icon
NVIDIA
NVDA
+$92.1M
2
AAON icon
Aaon
AAON
+$55.5M
3
P
Everpure Inc
P
+$43.5M
4
BAH icon
Booz Allen Hamilton
BAH
+$29M
5
RBC icon
RBC Bearings
RBC
+$26.8M

Top Sells

Rank Stock Value
1
DXCM icon
DexCom
DXCM
+$128M
2
CRWD icon
CrowdStrike
CRWD
+$42.9M
3
BLK icon
Blackrock
BLK
+$42M
4
CSGP icon
CoStar Group
CSGP
+$41.5M
5
SBUX icon
Starbucks
SBUX
+$38.8M

Sector Composition

Rank Sector Weight
1 Technology 27.11%
2 Healthcare 14.76%
3 Financials 12.67%
4 Industrials 11.93%
5 Consumer Discretionary 7.9%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
MDY icon
151
State Street SPDR S&P MIDCAP 400 ETF Trust
MDY
$27.3B
$39.6M 0.12%
69,479
+1,050
+2% +$578K
CME icon
152
CME Group
CME
$94.8B
$38.1M 0.11%
172,551
-15,596
-8% -$3.23M
IOT icon
153
Samsara
IOT
$23.8B
$37M 0.11%
768,155
+25,300
+3% +$1.03M
SHOP icon
154
Shopify
SHOP
$195B
$36.6M 0.11%
457,206
+84,397
+23% +$5.83M
NEE icon
155
NextEra Energy
NEE
$177B
$36.1M 0.11%
427,550
+6,924
+2% +$540K
ALGN icon
156
Align Technology
ALGN
$12.3B
$35.9M 0.11%
141,050
-93,517
-40% -$22.1M
ULS icon
157
UL Solutions
ULS
$15.8B
$35.7M 0.1%
723,184
+422,818
+141% +$20.6M
KNSL icon
158
Kinsale Capital Group
KNSL
$8.51B
$35.5M 0.1%
76,266
+35,827
+89% +$15.8M
ICLR icon
159
Icon
ICLR
$12.7B
$35.5M 0.1%
123,516
+48,198
+64% +$15.2M
GILD icon
160
Gilead Sciences
GILD
$165B
$35.3M 0.1%
421,470
-4,089
-1% -$312K
IJR icon
161
iShares Core S&P Small-Cap ETF
IJR
$112B
$35.3M 0.1%
301,640
+28,347
+10% +$3.2M
GE icon
162
GE Aerospace
GE
$384B
$34.4M 0.1%
182,519
+548
+0.3% +$92.8K
PCOR icon
163
Procore
PCOR
$8.67B
$34.4M 0.1%
556,658
-52,617
-9% -$3.23M
PRCT icon
164
Procept Biorobotics
PRCT
$1.17B
$34.1M 0.1%
425,913
+5,608
+1% +$398K
CRWD icon
165
CrowdStrike
CRWD
$218B
$33.6M 0.1%
479,756
-604,272
-56% -$42.9M
SCHD icon
166
Schwab US Dividend Equity ETF
SCHD
$105B
$33.3M 0.1%
1,181,349
+104,796
+10% +$2.85M
ZBRA icon
167
Zebra Technologies
ZBRA
$17.8B
$33.2M 0.1%
89,742
-1,138
-1% -$382K
FIS icon
168
Fidelity National Information Services
FIS
$22.1B
$33.2M 0.1%
396,648
+38,327
+11% +$3.03M
XYZ
169
Block Inc
XYZ
$47.5B
$33M 0.1%
491,982
+285,520
+138% +$18.4M
DT icon
170
Dynatrace
DT
$14.2B
$32.9M 0.1%
615,420
+79,503
+15% +$3.79M
MZTI
171
The Marzetti Company
MZTI
$3.11B
$32.9M 0.1%
186,135
+14,060
+8% +$2.59M
LMT icon
172
Lockheed Martin
LMT
$136B
$32.5M 0.1%
55,680
+12,727
+30% +$6.83M
DSGX icon
173
Descartes Systems
DSGX
$6.82B
$32.4M 0.1%
314,398
-39,551
-11% -$3.93M
IUSG icon
174
iShares Core S&P US Growth ETF
IUSG
$33.7B
$32.1M 0.09%
243,573
+37,330
+18% +$4.75M
BSV icon
175
Vanguard Short-Term Bond ETF
BSV
$44.6B
$31.7M 0.09%
402,423
-1,617
-0.4% -$126K
5 6
7
8 9

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William Blair & Company's Q3 2024 Portfolio in Review

As of Q3 2024, William Blair & Company held 1,892 positions worth $34.1B, up 5% from $32.4B the previous quarter. Its ten largest holdings account for 24% of the portfolio.

William Blair & Company's Q3 2024 filing shows 86 new, 671 increased, 778 reduced and 71 closed positions. Its largest new stake was PAR Technology: 73,733 shares worth $3.84M. The largest sale was DexCom, an estimated $128M.

By sector, the portfolio is most concentrated in Technology at 27% of assets, down from 27% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q3 2024 buy was PAR Technology: 73,733 shares worth $3.84M.
  • William Blair & Company added most to NVIDIA in Q3 2024, an estimated $92.1M increase.
  • William Blair & Company's biggest Q3 2024 reduction was DexCom, cutting an estimated $128M.
  • William Blair & Company fully exited Blackrock in Q3 2024, selling an estimated $42M.
  • William Blair & Company's ten largest holdings make up 24% of its $34.1B portfolio in Q3 2024.
  • William Blair & Company opened 86 new positions and closed 71 in Q3 2024.
  • William Blair & Company's portfolio value rose 5% quarter-over-quarter to $34.1B.

Based on William Blair & Company's 13F filing for Q3 2024, filed 12 Nov 2024.