Ownership history in 13D Management LLC · 15 quarters on record
This page tracks every 13F SEC filing in which 13D Management LLC reported a position in MERCURY SYS INC (MRCY). 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 | REDUCED | 103,762 | -33,250 | -24.3% | 9.01% | $7.6M | $73.01 |
| 2025 Q3 | UNCHANGED | 137,012 | — | 0% | 10.17% | $10.6M | $77.40 |
| 2025 Q2 | REDUCED | 137,012 | -65,689 | -32.4% | 6.73% | $7.4M | $53.86 |
| 2025 Q1 | REDUCED | 202,701 | -18,314 | -8.3% | 7.70% | $8.7M | $43.09 |
| 2024 Q4 | ADDED | 221,015 | +89,507 | +68.1% | 6.88% | $9.3M | $42.00 |
| 2024 Q3 | ADDED | 131,508 | +222 | +0.2% | 3.57% | $4.9M | $37.00 |
| 2024 Q2 | REDUCED | 131,286 | -29,880 | -18.5% | 2.59% | $3.5M | $26.99 |
| 2024 Q1 | ADDED | 161,166 | +180 | +0.1% | 2.90% | $4.8M | $29.50 |
| 2023 Q4 | REDUCED | 160,986 | -38,283 | -19.2% | 3.46% | $5.9M | $36.57 |
| 2023 Q3 | ADDED | 199,269 | +75,069 | +60.4% | 4.60% | $7.4M | $37.09 |
As of 2025 Q4 — sorted by position size