BLAIR WILLIAM & CO/IL
Institutional investor · Portfolio as of Q4 2023
Top Holdings1,785 positions
Stock | Shares | Value | Weight | Avg Buy | Est. P&L | Held | Conviction |
|---|---|---|---|---|---|---|---|
MICROSOFT CORP | 3.7M | $1.4B | 4.7% | $109.34 | +238.86% | 21 qtrssince 2018-Q4 | Increased 59 |
APPLE INC | 6.2M | $1.2B | 4.1% | $97.85 | +94.40% | 21 qtrssince 2018-Q4 | Decreased 0 |
AMAZON.COM INC | 5.8M | $885.8M | 3.0% | $108.86 | +39.58% | 21 qtrssince 2018-Q4 | Increased 59 |
IDEXX LABORATORIES INC | 1.2M | $666.8M | 2.3% | $189.63 | +192.70% | 21 qtrssince 2018-Q4 | Increased 54 |
VISA INC-CLASS A SHARES | 2.2M | $570.8M | 1.9% | $129.57 | +96.83% | 21 qtrssince 2018-Q4 | Decreased 0 |
DEXCOM INC | 4.5M | $554.4M | 1.9% | $68.06 | +82.33% | 21 qtrssince 2018-Q4 | Decreased 0 |
MASTERCARD INC - A | 1.2M | $507.4M | 1.7% | $200.66 | +109.81% | 21 qtrssince 2018-Q4 | Decreased 0 |
ALPHABET INC-CL C | 3.5M | $491.8M | 1.7% | $95.36 | +46.69% | 21 qtrssince 2018-Q4 | Decreased 0 |
ZOETIS INC | 2.5M | $486.2M | 1.7% | $91.70 | +107.09% | 21 qtrssince 2018-Q4 | Increased 50 |
WORKDAY INC-CLASS A | 1.6M | $429.1M | 1.5% | $173.86 | +58.78% | 21 qtrssince 2018-Q4 | Decreased 0 |
ADOBE INC | 680,445 | $406M | 1.4% | $248.36 | +140.22% | 21 qtrssince 2018-Q4 | Decreased 0 |
DANAHER CORP | 1.7M | $399M | 1.4% | $107.15 | +113.63% | 21 qtrssince 2018-Q4 | Increased 50 |
COSTAR GROUP INC | 4.4M | $383.9M | 1.3% | $76.69 | +13.96% | 21 qtrssince 2018-Q4 | Increased 51 |
COSTCO WHOLESALE CORP | 573,586 | $378.6M | 1.3% | $290.05 | +124.09% | 21 qtrssince 2018-Q4 | Increased 50 |
JPMORGAN CHASE & CO | 2.2M | $376.8M | 1.3% | $96.80 | +67.32% | 21 qtrssince 2018-Q4 | Increased 50 |
ALPHABET INC-CL A | 2.6M | $356.9M | 1.2% | $96.71 | +43.36% | 21 qtrssince 2018-Q4 | Increased 50 |
STATE STREET SPDR S&P 500 ETF TRUST CL USD INC | 731,206 | $347.5M | 1.2% | $285.10 | +62.69% | 21 qtrssince 2018-Q4 | Increased 51 |
WATSCO INC | 775,524 | $332.3M | 1.1% | $153.19 | +159.75% | 21 qtrssince 2018-Q4 | Increased 49 |
POOL CORP | 796,010 | $317.4M | 1.1% | $266.46 | +42.48% | 21 qtrssince 2018-Q4 | Increased 50 |
VEEVA SYSTEMS INC-CLASS A | 1.5M | $281.2M | 1.0% | $88.87 | +116.64% | 21 qtrssince 2018-Q4 | Decreased 0 |
BLAIR WILLIAM & CO/IL manages $29.3B across 1785 positions as of Q4 2023. Top holdings: MSFT (4.7%), AAPL (4.1%), AMZN (3.0%). Fund DNA: Balanced Allocator. HoldingsIntel Rating: 4.5/5.0.
Active quarter - 86 new positions, 92 exits, 625 increased. Top move: MSFT (INCREASED, conviction 59). Portfolio: $29.3B across 1785 positions.
Top holdings by portfolio weight
Portfolio allocation by GICS sector
Behavioral investing profile
Position Outcomes
Best and worst performing positions by estimated return
Top Winners
Top Losers
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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Data sourced from SEC EDGAR 13F filings. Not financial advice. Full disclaimer