MICROSOFT CORP · CUSIP 594918104 · CIK 902367
As of 2026-06-30, BLAIR WILLIAM & CO/IL reported 3.44M MSFT (shares), valued at $1.28B, or 3.35% of its reported non-derivative portfolio. Filed 2026-08-11.
Verify history & sources →Shares decreased 1.59%; reported value decreased 0.83%, and weight changed -0.36 pp. Weight depends on both the security valuation and total portfolio value, not trade proceeds.
Left: % · Right: Shares · Independently scaled axes
Exact data and methodology
Axes scale independently; a crossing does not mean equal values. Weight uses each quarter's total reported non-derivative value. Same CUSIP; missing quarters are gaps, not zero. Revised history may include later disclosures.
| Quarter | Weight | Quantity | Source |
|---|---|---|---|
| Q2 2026 | 3.35% | 3,442,574 | SEC filing ↗Filed Aug 11, 2026 |
| Q1 2026 | 3.71% | 3,498,110 | SEC filing ↗Filed May 8, 2026 |
| Q4 2025 | 4.64% | 3,574,568 | SEC filing ↗Filed Feb 17, 2026 |
| Q3 2025 | 4.97% | 3,607,106 | SEC filing ↗Filed Nov 12, 2025 |
| Q2 2025 | 5.11% | 3,696,704 | SEC filing ↗Filed Jul 24, 2025 |
| Q1 2025 | 4.26% | 3,766,202 | SEC filing ↗Filed May 9, 2025 |
| Q4 2024 | 4.67% | 3,811,770 | SEC filing ↗Filed Feb 12, 2025 |
| Q3 2024 | 4.76% | 3,768,737 | SEC filing ↗Filed Nov 12, 2024 |
| Q2 2024 | 5.22% | 3,788,765 | SEC filing ↗Filed Aug 12, 2024 |
| Q1 2024 | 4.84% | 3,664,660 | SEC filing ↗Filed May 9, 2024 |
| Q4 2023 | 4.70% | 3,664,426 | SEC filing ↗Filed Feb 12, 2024 |
| Q3 2023 | 4.41% | 3,644,707 | SEC filing ↗Filed Nov 9, 2023 |
History & evidence by quarter
| Quarter | Weight | Quantity | Value | Change explained | Source |
|---|---|---|---|---|---|
| Q3 2023 | 4.41% | 3,644,707 | $1.15B | The prior quarter is outside the free window. Sign in for the comparison. | SEC filing ↗ Filed Nov 9, 2023 |
| Q4 2023 | 4.70% | 3,664,426 | $1.38B | Shares increased 0.54%; reported value increased 19.74%, and weight changed +0.29 pp. Weight depends on both the security valuation and total portfolio value, not trade proceeds. | SEC filing ↗ Filed Feb 12, 2024 |
| Q1 2024 | 4.84% | 3,664,660 | $1.54B | Shares increased 0.01%; reported value increased 11.89%, and weight changed +0.14 pp. Weight depends on both the security valuation and total portfolio value, not trade proceeds. | SEC filing ↗ Filed May 9, 2024 |
| Q2 2024 | 5.22% | 3,788,765 | $1.69B | Shares increased 3.39%; reported value increased 9.83%, and weight changed +0.38 pp. Weight depends on both the security valuation and total portfolio value, not trade proceeds. | SEC filing ↗ Filed Aug 12, 2024 |
| Q3 2024 | 4.76% | 3,768,737 | $1.62B | Shares decreased 0.53%; reported value decreased 4.23%, and weight changed -0.46 pp. Weight depends on both the security valuation and total portfolio value, not trade proceeds. | SEC filing ↗ Filed Nov 12, 2024 |
| Q4 2024 | 4.67% | 3,811,770 | $1.61B | Shares increased 1.14%; reported value decreased 0.93%, and weight changed -0.09 pp. Weight depends on both the security valuation and total portfolio value, not trade proceeds. | SEC filing ↗ Filed Feb 12, 2025 |
| Q1 2025 | 4.26% | 3,766,202 | $1.41B | Shares decreased 1.20%; reported value decreased 12.00%, and weight changed -0.41 pp. Weight depends on both the security valuation and total portfolio value, not trade proceeds. | SEC filing ↗ Filed May 9, 2025 |
| Q2 2025 | 5.11% | 3,696,704 | $1.84B | Shares decreased 1.85%; reported value increased 30.06%, and weight changed +0.85 pp. Weight depends on both the security valuation and total portfolio value, not trade proceeds. | SEC filing ↗ Filed Jul 24, 2025 |
| Q3 2025 | 4.97% | 3,607,106 | $1.87B | Shares decreased 2.42%; reported value increased 1.61%, and weight changed -0.14 pp. Weight depends on both the security valuation and total portfolio value, not trade proceeds. | SEC filing ↗ Filed Nov 12, 2025 |
| Q4 2025 | 4.64% | 3,574,568 | $1.73B | Shares decreased 0.90%; reported value decreased 7.47%, and weight changed -0.33 pp. Weight depends on both the security valuation and total portfolio value, not trade proceeds. | SEC filing ↗ Filed Feb 17, 2026 |
| Q1 2026 | 3.71% | 3,498,110 | $1.29B | Shares decreased 2.14%; reported value decreased 25.10%, and weight changed -0.93 pp. Weight depends on both the security valuation and total portfolio value, not trade proceeds. | SEC filing ↗ Filed May 8, 2026 |
| Q2 2026 | 3.35% | 3,442,574 | $1.28B | Shares decreased 1.59%; reported value decreased 0.83%, and weight changed -0.36 pp. Weight depends on both the security valuation and total portfolio value, not trade proceeds. | SEC filing ↗ Filed Aug 11, 2026 |
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