{
  "@context": "https://frontierpicks.com/schemas/dossier.v1.json",
  "ticker": "MRCY",
  "name": "Mercury Systems Inc",
  "url": "https://frontierpicks.com/dossiers/MRCY/",
  "json_url": "https://frontierpicks.com/dossiers/MRCY.json",
  "status": "HELD",
  "current_conviction": "MEDIUM",
  "graded_conviction": "MEDIUM",
  "archetype": {
    "code": "a4",
    "n": 4
  },
  "current_thesis": "Defense-electronics turnaround still re-rating on record bookings and a promised FCF turn, but the stock has given back ~20% from its $128.45 ATH and now chops near the analyst median (~$103) into a binary ~Aug 10-18 Q4/full-year print. Consolidation, not acceleration — the move is maturing into the report.",
  "invalidation_trigger": "A weekly close below $94 loses the breakout base and rising 50-day shelf underpinning the advance. Secondary: a Q4 FY26 print (~2026-08-10 to 08-18) with free cash flow failing to turn positive or book-to-bill under 1.0, or defense-electronics flipping to saturated as KTOS/AVAV break their July lows.",
  "catalyst_date": "2026-08-26",
  "outcome": "PLAYED_OUT",
  "outcome_date": "2026-07-23",
  "invalidation_fired": false,
  "themes": [
    "defense-aerospace",
    "cyclical-industrials"
  ],
  "tags": [],
  "sources": [],
  "notes": [
    "Fiscal year ends in early July (FY26 ended 2026-07-03); the August report covered the June quarter and the full year together.",
    "FY26 GAAP net loss $29.7M, -$0.50 per diluted share, against adjusted EPS $1.06 — trailing-earnings screens read as undefined.",
    "Consensus target is panel-dependent: $114.33 across 10 analysts (stockanalysis.com, 2026-08-24) versus lower medians on wider aggregator panels. Name the panel when citing.",
    "Customer concentration per the FY26 10-K: RTX 15%, Lockheed Martin 11%, Northrop Grumman 10% of FY26 revenue; ~97% of revenue is US and allied defense.",
    "Mercury settled a securities class action for $32.5M covering purchases 2021-02-03 to 2024-02-06; the Q3 FY26 10-Q flagged possible further claims from a large shareholder.",
    "JANA Partners is the largest disclosed holder; 13F holdings describe a quarter-end date up to 45 days before the filing appears."
  ],
  "body_markdown": "\n_All prices and levels below are market observations, stated as analysis._\n\n## MRCY — Mercury Systems, Inc.\n\n## Current Thesis\n\nThe break condition carried in the prior note resolved to the downside and then extended. After the weekly close of **$91.36 on 2026-08-21**, price fell again to **$89.59 on 2026-08-24** — a fourth consecutive decline from the post-print **$111.12** close of 2026-08-14, and a close beneath the **$90.17** of 2026-07-29 that had marked the summer floor. RSI(14) reads **20.3**, a three-month price change of -9.8%, and **29.0% below the 52-week high of $126.21**.\n\nThe leg still available to buy is contractual, not directional: **$996.0M of the $1.9B+ backlog** converts inside twelve months (FY26 10-K, filed 2026-08-18) against an FY27 revenue outline **approaching $1.1B**. Every published post-print target sits far above spot — the consensus is **$114.33** across 10 analysts (stockanalysis.com, 2026-08-24), the lowest published post-print number Jefferies' **$115** Hold. Six raises landed between 2026-08-19 and 2026-08-20 and price closed lower through all of them; Baird maintained Buy at **$130** on 2026-08-24 into a lower close still.\n\nThe gap between an untouched target panel and a tape making lower closes is the whole question here. Nothing dated resolves it before the Q1 FY27 report, estimated ~2026-11-03 and not company-confirmed as of 2026-08-24.\n\n**The narrative is saturated.** Dating it: the 2026-08-18 print and 10-K removed the binary; the coverage cluster ran 2026-08-19 (two Benzinga analyst-forecast roundups) through 2026-08-22 (Bulls and Bears) to a backward-looking \"$1,000 invested 20 years ago\" retrospective on 2026-08-24 — the shape of coverage that arrives after a move, not before one. Counter-evidence stays on the record: record bookings, a 38.4% backlog build, and a target panel entirely above the last close. A weekly close back above **$111.12** would re-date the label to maturing.\n\n## Bull Case\n\n- **Q4 FY26 bookings $660M, +93.1% YoY, book-to-bill 2.28** (release, 2026-08-18), closing an FY26 sequence of 1.23 / 1.48 / 2.28 and an FY26 book-to-bill of **1.57** on $1.5B of orders.\n- **Backlog over $1.9B, +38.4% YoY; $996.0M scheduled to convert within twelve months** (FY26 10-K, 2026-08-18). Most of an approaching-$1.1B FY27 frame is contracted before the year starts.\n- **Q4 revenue $289.782M against $266.403M consensus** (Benzinga, 2026-08-18); FY26 revenue $983.6M vs $912.0M, adjusted EBITDA $150.2M vs $119.4M, adjusted EPS $1.06 vs $0.64.\n- **The cash turn printed**: Q4 operating cash flow $42M and free cash flow $29M, after Q3 free cash flow of -$2M; FY26 $102M and $68M.\n- **Palantir strategic agreement, 2026-08-03**, sponsored under the US government's Tradewind Prototype Agreement, applying Foundry to material planning and factory operations — a dated response to the production-capacity and single-source-supplier risk factors named in the FY26 10-K.\n- **The sell-side panel did not blink after the miss**: RBC $105→$120, Baird $120→$130, Truist $109→$120, Piper Sandler $131, Jefferies $115 Hold (all 2026-08-19), Canaccord $106→$128 (2026-08-20), Baird reiterated $130 (2026-08-24). Rating split at 2026-08-24: 5 Strong Buy, 2 Buy, 2 Hold, 1 Strong Sell (stockanalysis.com).\n\n## Bear Case\n\n- **Adjusted EPS $0.37 missed the $0.38 consensus** (2026-08-18); the shares were marked **down 10.6% in the 2026-08-19 pre-market** (Benzinga).\n- **Gross margin fell in the record quarter**: 30.5% in Q4 FY26 versus 31.0% a year earlier, attributed to program mix and net EAC changes.\n- **FY26 closed with a GAAP net loss of $29.7M, -$0.50 per diluted share**, leaving no trailing-earnings anchor beneath the multiple.\n- **The management frame is below the company's own long-term targets**: adjusted EBITDA approaching **$200M** (high-teens margin) against a stated low-to-mid-20s goal, and free-cash-flow conversion approaching **35%** against 50%.\n- **Insider flow ran one way into the decline.** A Form 4 records CEO William L. the filing describes tax withholding on vested equity awards. Aggregate executive sales in the window total roughly **$4.7M**, with **no insider purchases reported** (MarketBeat compilation of SEC filings, 2026-08-21).\n- **The compensation plan's own metrics did not pay**: a Form 4 dated 2026-08-14 records EVP Steven Ratner returning **2,695 performance shares to the issuer at $0.00**, forfeited for below-target performance.\n\n## Setup & Price Structure\n\nThe closing sequence since the print is unambiguous: **$111.12** (08-14) → $101.25 (08-19) → $94.23 (08-20) → $91.36 (08-21) → **$89.59** (08-24). Four consecutive lower closes; no inside day, no reclaim attempt on the record so far.\n\nThe **$89–90 area** is the third dated touch of the same zone: a director's open-market sale printed at **$89.361 on 2026-05-12**, the post-FOMC session of **2026-07-29 closed $90.17** after a 9.27% single-day fall, and 2026-08-24 closed **$89.59**. This is the first of the three that sits below the prior two on a closing.\n\nRSI(14) at **20.3** is the most stretched reading in the covered window (it was 33.7 on 2026-08-21). An oversold oscillator describes momentum exhaustion; it is not evidence of a floor. A base requires closes that stop making lows, and none exist yet.\n\nPositioning observables, stated as observables:\n\n- Last published short interest: **8.65% of float, 6.12 days to cover**. The publication estimated for ~2026-08-26 is the first reading spanning the run to $111.12 and the reversal.\n- Sell-side target dispersion is wide and panel-dependent: **$114.33** across 10 analysts (stockanalysis.com, 2026-08-24) versus lower medians on wider aggregator panels. Any citation needs its panel named.\n- 13F-sourced ownership headlines (a BlackRock position addition reported 2026-08-22) describe a quarter-end date up to 45 days before the filing appears and say nothing about current holdings.\n- Market capitalisation stood at **$5.39B on 2026-08-24** (stockanalysis.com).\n\n## Catalyst Calendar (next 30 days)\n\n- **~2026-08-26 (est.)** — FINRA short-interest publication for the 2026-08-14 settlement date. First reading covering the advance to $111.12 and the reversal that followed.\n- **~2026-09-10 (est.)** — FINRA short-interest publication for the end-August settlement date. Shows whether shorts pressed into the four-session decline or covered it.\n- **2026-09-30** (just beyond the 30-day window) — end of the US federal fiscal year; FY2027 appropriations or continuing-resolution deadline. With roughly 97% of FY26 revenue tied to US and allied defense, funding continuity governs award and delivery timing for the $996.0M of twelve-month backlog.\n- **~2026-11-03 (est.)** — Q1 FY27 results, seasonally the lowest revenue quarter of the FY27 frame. No company-confirmed date published as of 2026-08-24.\n\nBetween 2026-08-25 and the November report there is no dated company event on the calendar. Anything that moves the shares inside that gap is flow, sector beta or an unscheduled award.\n\n## What Would Change Our Mind\n\nThe cleanest upside re-dating would be a weekly close back above **$111.12**, the last pre-reversal close of 2026-08-14; that would put the saturated label back to maturing and show the six raises finally recruiting a bid. Short of that, a first higher weekly close that holds the $89–90 zone would at least mark the start of a base, which does not exist today.\n\nOn the downside, **a weekly close below $86** breaks the $89–90 zone that has absorbed selling since mid-May and removes the last dated closing reference beneath the July shelf.\n\nFundamentally, three observables would end the FY27 conversion argument: a Q1 FY27 book-to-bill under 1.0 after 2.28, closing backlog below the **$1.9B** reported 2026-08-18, or gross margin printing below **30.5%** with management again citing net EAC changes and program mix. On positioning, Form 4 sales coded as discretionary open-market disposals — rather than the sell-to-cover coding on the 2026-08-20 CEO sale — filed between 2026-08-25 and 2026-09-30 with no offsetting purchases would say insiders are distributing rather than settling tax.\n\nThe reverse also holds: an unscheduled award announcement large enough to move the $996.0M twelve-month conversion figure, or a target cut from any of the six raisers, would each be a genuine change to the record rather than tape noise.\n\n## Correlation Notes\n\n- **Customer concentration is the dominant single-name risk factor**: RTX 15%, Lockheed Martin 11%, Northrop Grumman 10% of FY26 revenue per the FY26 10-K — 36% across three primes. Their program-spend commentary transmits directly.\n- **Rate and risk-off sensitivity is measured, not assumed**: the shares fell 9.27% to close $90.17 on 2026-07-29, the session the FOMC held at 3.50%–3.75%. With an FY26 GAAP net loss, there is no trailing-earnings support under a multiple compression.\n- **Defense-electronics complex**: KTOS and AVAV trade the same narrative flow; their July lows are the reference for whether this is a single-name break or a sector one.\n- **Appropriations beta**: ~97% of FY26 revenue is US and allied defense, so a continuing resolution around 2026-09-30 affects award timing across the group rather than Mercury alone.\n- **Palantir/Foundry adjacency**: the 2026-08-03 agreement ties part of the operational-improvement story to a separate narrative complex with its own flow dynamics.",
  "first_seen": "2026-07-06",
  "last_analyzed": "2026-08-25T03:32:52+00:00",
  "last_synthesized": "2026-08-25",
  "last_update_source": "watchlist_research",
  "license": "Content © FrontierPicks. Cite the canonical URL."
}