BLAIR WILLIAM & CO/ILBLAIR WILLIAM & CO/IL

Institutional investor · Portfolio as of Q3 2023

SEC EDGAR SourceSEC Filings

Top Holdings1,791 positions

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Activity:
Stock
Shares
Value
Weight
Avg Buy
Est. P&L
Held
Conviction

MICROSOFT CORP

3.6M$1.2B4.4%$107.93+187.67%
20 qtrssince 2018-Q4
Decreased
0

APPLE INC

6.2M$1.1B4.1%$97.85+72.64%
20 qtrssince 2018-Q4
Decreased
0

AMAZON.COM INC

5.8M$732.7M2.8%$108.36+17.31%
20 qtrssince 2018-Q4
Increased
55

IDEXX LABORATORIES INC

1.2M$524.7M2.0%$189.24+131.07%
20 qtrssince 2018-Q4
Increased
54

VISA INC-CLASS A SHARES

2.2M$507.2M1.9%$129.57+73.52%
20 qtrssince 2018-Q4
Decreased
0

MASTERCARD INC - A

1.2M$475.9M1.8%$200.66+94.48%
20 qtrssince 2018-Q4
Increased
49

ALPHABET INC-CL C

3.5M$460.9M1.8%$95.36+37.24%
20 qtrssince 2018-Q4
Decreased
0

ZOETIS INC

2.4M$422.5M1.6%$90.29+84.95%
20 qtrssince 2018-Q4
Increased
50

DEXCOM INC

4.5M$420.5M1.6%$68.06+37.09%
20 qtrssince 2018-Q4
Increased
50

DANAHER CORP

1.7M$418.2M1.6%$104.32+108.16%
20 qtrssince 2018-Q4
Increased
50

ADOBE INC

682,209$347.9M1.3%$248.36+105.31%
20 qtrssince 2018-Q4
Increased
50

WORKDAY INC-CLASS A

1.6M$339.2M1.3%$173.86+23.58%
20 qtrssince 2018-Q4
Increased
49

ALPHABET INC-CL A

2.5M$325.5M1.2%$95.56+35.92%
20 qtrssince 2018-Q4
Increased
49

COSTAR GROUP INC

4.2M$322.2M1.2%$76.53+0.48%
20 qtrssince 2018-Q4
Increased
52

COSTCO WHOLESALE CORP

562,827$318M1.2%$283.17+91.74%
20 qtrssince 2018-Q4
Increased
49

JPMORGAN CHASE & CO

2.2M$315.2M1.2%$95.54+43.47%
20 qtrssince 2018-Q4
Increased
50
SPYSPY
Unit

STATE STREET SPDR S&P 500 ETF TRUST CL USD INC

704,929$301.3M1.2%$278.44+49.22%
20 qtrssince 2018-Q4
Decreased
0

VEEVA SYSTEMS INC-CLASS A

1.5M$298.3M1.1%$88.87+128.94%
20 qtrssince 2018-Q4
Increased
49

WATSCO INC

770,476$291M1.1%$151.58+129.93%
20 qtrssince 2018-Q4
Increased
49

POOL CORP

777,707$276.9M1.1%$263.79+28.11%
20 qtrssince 2018-Q4
Increased
49
$26.1B
AUM
1,791
Positions
Q3 2023
Filing
Rating · 4.5
Quarterly Portfolio Change
-21%Q2'22$22.5B-3%Q3'22$21.8B+6%Q4'22$23B+9%Q1'23$25B+9%Q2'23$27.3B-4%Q3'23$26.1B
Activity profile
$ moved · Q3'23
New3%Increased44%Decreased52%Exited2%
Composition
Equity vs derivatives
Equity100%Puts0%Calls0%
Holding period
Avg 3.9 years
<1Q2%1-4Q5%1-2Y8%2Y+85%

BLAIR WILLIAM & CO/IL manages $26.1B across 1791 positions as of Q3 2023. Top holdings: MSFT (4.4%), AAPL (4.1%), AMZN (2.8%). Fund DNA: Balanced Allocator. HoldingsIntel Rating: 4.5/5.0.

Q3 2023 Summary

Active quarter - 68 new positions, 87 exits, 686 increased. Top move: AMZN (INCREASED, conviction 55). Portfolio: $26.1B across 1791 positions.

Top holdings by portfolio weight

Total AUM$26B
MSFT4.41%
AAPL4.10%
AMZN2.81%
IDXX2.01%
V1.95%
MA1.83%
GOOG1.77%
ZTS1.62%
DXCM1.61%
DHR1.60%
Other1.33%

Portfolio allocation by GICS sector

Sectors11
Technology23.87%
Healthcare17.49%
Unknown12.32%
Financial Services12.02%
Industrials11.61%
Consumer Cyclical8.40%
Communication Services4.57%
Consumer Defensive4.32%
Real Estate2.18%
Basic Materials1.53%
Other1.68%

Behavioral investing profile

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Balanced Allocator- primarily Technology, Healthcare, Unknown
Compare DNA across all funds
7-dimension quality assessment
Elite(4.5 / 5.0)
Track Record67
Conviction39
Concentration40
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Position Outcomes

Best and worst performing positions by estimated return

Cost basis estimates based on full filing history using quarter-end prices. Actual transaction prices are not disclosed in 13F filings.

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Accumulation Streaks

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Data sourced from SEC EDGAR 13F filings. Not financial advice. Full disclaimer

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