§ AEROSPACE & DEFENSE
USD · Aerospace & DefenseMRCY
MERCURY SYSTEMS INC
USDSector · Aerospace & DefenseBeta · 0.85
§ 01 · PRICE
Price action
1D5D1M6MYTD1YMAX
§ 03 · SIGNAL STACK · WHAT THE INPUTS SAY
13F FLOW
226 increased/new, 133 decreased/exited (13F)
AC 13F Analysis
§ 04 · FUNDAMENTALS · THE BOOKS
| P/B | 2.17 | EPS (TTM) | -0.52 |
§ 05 · WHO OWNS IT
Top institutional holders
| Fund | Shares | % port | Δ Q/Q |
|---|---|---|---|
| BlackRock, Inc. | 8.9M | 0.0% | +4% |
| State Street | 3.9M | 0.0% | +13% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 2.9M | n/a | n/a |
| VANGUARD CAPITAL MANAGEMENT LLC | 2.4M | n/a | n/a |
| Conestoga Capital Advisors, LLC | 1.9M | 2.8% | −12% |
| SEGALL BRYANT & HAMILL, LLC | 1.9M | n/a | +194% |
◇ AC INTELLIGENCE
Top institutional owners for MRCY as of the most recent 13F reporting period (Q1 2026 · Period ended Mar 31). Δ Q/Q reflects share-count change vs. the prior filing — positive green means adding, negative red means trimming. Cross-reference with the ownership-mix bars below to see which strategy cohort is driving the flow.
§ 06 · WHO OWNS IT · BY STRATEGY
OTHER45.2% · 246 holders
PASSIVE / INDEX26.4% · 12 holders
QUALITY / COMPOUNDER18.6% · 30 holders
DEALER / BANK14.7% · 33 holders
ACTIVIST6.9% · 2 holders
INCOME / DEFENSIVE1.9% · 23 holders
TACTICAL / MACRO0.6% · 2 holders
SYSTEMATIC / QUANT0.2% · 7 holders
GROWTH / MOMENTUM0.0% · 1 holder
DEEP VALUE0.0% · 1 holder
◇ AC INTELLIGENCE
Ownership mix by behavioral cohort. Top bars indicate which style of capital dominates the float — passive indexing, quality compounders, dealer/bank, systematic quant, etc. Big quality-compounder share means concentrated active conviction; heavy passive share means flows are dictated by index rebalances, not fundamentals.
§ 07 · INSIDER ACTIVITY · LAST 180 DAYS
NO INSIDER FILINGS
◇ AC INTELLIGENCE
No Form 4 filings on record for MRCY in the last 180 days.
§ 08 · COVERAGE · OUR RECENT NOTES
No notes mention MRCY yet.