Ownership history in CASTLEARK MANAGEMENT LLC · 105 quarters on record
This page tracks every 13F SEC filing in which CASTLEARK MANAGEMENT LLC reported a position in MICROSOFT CORP COM (MSFT). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.
| Quarter | Action | Shares | Change | Chg % | % of Fund | Mkt Value | Price (EOQ) |
|---|---|---|---|---|---|---|---|
| 2025 Q4 | ADDED | 369,460 | +7,856 | +2.2% | 5.25% | $178.7M | $482.52 |
| 2025 Q3 | REDUCED | 361,604 | -10,390 | -2.8% | 5.25% | $187.3M | $515.81 |
| 2025 Q2 | ADDED | 371,994 | +96,392 | +35.0% | 5.56% | $185.0M | $494.54 |
| 2025 Q1 | REDUCED | 275,602 | -64,322 | -18.9% | 3.59% | $103.5M | $372.54 |
| 2024 Q4 | REDUCED | 339,924 | -47,680 | -12.3% | 5.00% | $143.3M | $417.46 |
| 2024 Q3 | REDUCED | 387,604 | -10,591 | -2.7% | 6.80% | $166.8M | $425.32 |
| 2024 Q2 | ADDED | 398,195 | +14,600 | +3.8% | 7.27% | $178.0M | $440.99 |
| 2024 Q1 | REDUCED | 383,595 | -27,929 | -6.8% | 6.71% | $161.4M | $414.36 |
| 2023 Q4 | ADDED | 411,524 | +39,584 | +10.6% | 6.86% | $154.7M | $369.67 |
| 2023 Q3 | REDUCED | 371,940 | -37,340 | -9.1% | 5.98% | $117.4M | $309.77 |
As of 2025 Q4 — sorted by position size