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Pre-market · Regular session opens 9:30 AM ET
Last update: Oct 26, 2026, 6:19 PM ET
Mercury Systems, Inc.
$79.71▲ 6.46% today
Pre-market

Why Mercury Systems, Inc. (MRCY) stock moved

Updated Oct 27, 2026

Mercury Systems, Inc. (MRCY) shares climbed 6.5% to $79.71 as of October 27, 2026, a significant gain from the prior close of $74.87. BestStocks flagged the session as a major change for MRCY. The move is tied to price move up. Below, we break down what changed for MRCY, why it matters for investors, how the stock reacted, and the catalysts on the calendar.

What happened

MRCY climbed 6.5% to $79.71

MRCY climbed 6.5% in its latest session, moving from $74.87 to $79.71.

Material / EarningsLow confidence
Rel. volume
0.9×
Below Avg
Vs peers
—
No comparable peers
Market cap
$4.9B
NASDAQ Global Select
Analyst target
$113
+41.6% vs price
Price chart
Oct 27
Not enough price data.
E earnings
F filing
A analyst
V/N other
click a marker to highlight
Change events — click to jump to details

What it means for Mercury Systems, Inc. investors

For Mercury Systems, Inc. investors, the recent signals are mixed, leaving the near-term picture neutral / mixed. On the constructive side: Material positive event; Strong 6.5% price move. Weighing against that: Mercury Systems declined 3.19% to $80.80 following post-earnings disappointment: despite record backlog of $1.9 billion and adjusted EPS of $0.37, the company missed consensus expectations on margins and earnings per share, with operating margins and cash flow falling short despite strong booking activity of $660 million (per Yahoo Finance); Mercury Systems, Inc. (MRCY) moved -6.00% from $111.70 to $105.00 on 2026-08-18. Wall Street's consensus price target sits at $112.88, implying +41.6% upside from $79.71. BestStocks rates the overall signal quality low (57/100). With earnings roughly 14 days out, the next report is the most likely near-term test of the move.

MRCY price reaction

MRCY last traded at $79.71, up $4.84 (+6.46%) from the previous close of $74.87. The session traded on 0.9× average volume (below avg), so participation was unremarkable.

Bullish and bearish analyst opinions on Mercury Systems, Inc. (MRCY)

The consensus analyst price target on Mercury Systems, Inc. (MRCY) is $112.88, 41.6% above the recent $79.71. Over the past 90 days analysts logged 0 upgrades, 6 maintains, and 0 downgrades. Here is how the bullish and bearish cases on MRCY line up.

The bullish case

  • Wall Street's consensus price target of $112.88 implies +41.6% upside from $79.71.
  • The Street's most bullish target is $130.00 (+63.1%).
  • Material positive event.
  • Strong 6.5% price move.
  • Mercury Systems, Inc. (MRCY) moved +6.12% from $81.99 to $87.01 on 2026-09-15.

The bearish case

  • The most bearish analyst target is $68.00 (-14.7%).
  • Mercury Systems declined 3.19% to $80.80 following post-earnings disappointment: despite record backlog of $1.9 billion and adjusted EPS of $0.37, the company missed consensus expectations on margins and earnings per share, with operating margins and cash flow falling short despite strong booking activity of $660 million (per Yahoo Finance).
  • Mercury Systems, Inc. (MRCY) moved -6.00% from $111.70 to $105.00 on 2026-08-18.
Bull vs bear balanceNeutral / Mixed
BearishNeutralBullish

Weighing both sides, BestStocks' composite read of recent signals is roughly balanced, as the bull-versus-bear meter above shows. This is an educational summary of the bull and bear case, not investment advice.

Analyst price targets and ratings are FMP consensus figures as of Oct 27, 2026; other aggregators may differ. High and low targets show the range of estimates, not forecasts.

Analyst expectations
Consensus target: $113+41.6%
= 6 maintains
Piper Sandler maintained Overweight · 2026-10-23
SEC filings watch
8-K2026-09-18
Material event — review for impact
high
DEF 14A2026-09-17
Annual proxy — exec compensation & governance
low
8-K2026-09-16
Material event — review for impact
high
8-K2026-08-18
Material event — review for impact
high
Peer context
MRCY+6.5%

Previous notable changes for MRCY

News2026-10-13
Mercury Systems scheduled Q1 FY2027 earnings release for November 10, 2026 after market close.
News2026-10-08
Mercury Systems expands Phoenix production facility by 50,000 sq. ft. to increase manufacturing capacity.
News2026-10-06
Mercury Systems launched RES One, a rugged edge server platform with enhanced modularity for rapid deployment.
Valuation2026-09-28via ca.finance.yahoo.com ↗
Mercury Systems, Inc. moved -2.49% intraday from $82.18 to $80.14. Mercury Systems Inc (MRCY) is experiencing downward movement today as investors continue to digest recent post-earnings profit-taking, ongoing insider selling, and broader valuation debates following its late August fiscal Q4 report.Here are the key factors influencing the stock: - Post-Earnings and Valuation Digest: Although Mercury Systems reported a solid Q4/FY2026 earnings beat and a record backlog, the stock faced a steep sell-off in late August as investors weighed persistent net losses, margin pressure from legacy low-margin contracts, and a rich valuation after multi-period gains. - Governance and Legal Developments: Investors are still processing the preliminary court approval secured around September 18 for a shareholder derivative lawsuit settlement, which mandates specific board governance reforms and legal fee payouts. - Routine Insider Activity: Recent routine Form 144 filings regarding small officer and executive share sales have added minor near-term headwinds to the sentiment. If you would like, I can provide: - The current analyst price targets and consensus ratings for MRCY - Details on their recent partnership with Palantir

In-depth MRCY event analyses

Permanent, dated analyses of MRCY's most significant sessions.
Upcoming catalysts & outlook
Next earnings
2026-11-10 (est.)
in 14 days
10-K Annual Report (est.)
2027-08-18
Medium impact
Thesis shift
Neutral / Mixed
bullish signal
Risk level
High
from change events

Frequently asked questions about MRCY

Why did Mercury Systems, Inc. (MRCY) stock move?

MRCY climbed 6.5% to $79.71. No single company-specific catalyst was confirmed during the move window, and it looks technical.

How much did MRCY stock rise?

MRCY gained 6.46% ($4.84) versus the prior close of $74.87, last trading at $79.71 on 0.9× average volume.

When is Mercury Systems, Inc.'s next earnings date?

MRCY's next earnings report is estimated for 2026-11-10 — about 14 days away.

What is the analyst price target for MRCY?

The consensus analyst price target for MRCY is $112.88, about 41.6% above the current $79.71. Over the past 90 days, analysts recorded 0 upgrades, 6 maintains, and 0 downgrades.

How BestStocks tracks MRCY

This page is generated automatically by BestStocks' change-detection system after price move up was detected and verified against independent data sources. It draws on 20 tracked change events for MRCY, cross-checked against the data sources listed below. Price, volume, and market-capitalization figures are the live intraday quote as of October 27, 2026 and refresh as new information is detected; for companies with multiple share classes, market-cap figures can differ by data source. Analyst price targets and ratings are FMP consensus. This is an educational summary of what changed and why — not personalized investment advice.

Data sources
FMP real-time & historical price dataCompany news feedsSEC EDGAR filingsFMP earnings & estimatesAnalyst ratings & price targets (FMP)Earnings calendar (FMP)
Educational research tool — not personalized investment advice. Data may be delayed.