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Last update: Sep 15, 2026, 5:10 PM ET
Mercury Systems, Inc.
$87.01 7.38% today
Pre-market

Why Mercury Systems, Inc. (MRCY) stock moved

Updated Sep 16, 2026

Mercury Systems, Inc. (MRCY) shares climbed 7.4% to $87.01 as of September 16, 2026, a significant gain from the prior close of $81.03. BestStocks flagged the session as a major change for MRCY. No single company-specific catalyst was confirmed during the move window. 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 7.4% to $87.01

MRCY climbed 7.4% in its latest session, moving from $81.03 to $87.01.

ActivityMedium confidence
Rel. volume
1.5×
Normal
Vs peers
No comparable peers
Market cap
$5.2B
NASDAQ Global Select
Analyst target
$116
+33.2% vs price
Price chart
Sep 16
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: Strong 7.4% price move; Mercury Systems, Inc. (MRCY) moved +6.12% from $81.99 to $87.01 on 2026-09-15. 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 -4.63% from $95.80 to $91.36 on 2026-08-21. Wall Street's consensus price target sits at $115.88, implying +33.2% upside from $87.01. BestStocks rates the overall signal quality medium (62/100). With earnings roughly 48 days out, the next report is the most likely near-term test of the move.

MRCY price reaction

MRCY last traded at $87.01, up $5.98 (+7.38%) from the previous close of $81.03. The session traded on 1.5× average volume (normal), 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 $115.88, 33.2% above the recent $87.01. 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 $115.88 implies +33.2% upside from $87.01.
  • The Street's most bullish target is $131.00 (+50.6%).
  • Strong 7.4% 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 (-21.8%).
  • 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 -4.63% from $95.80 to $91.36 on 2026-08-21.
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 Sep 16, 2026; other aggregators may differ. High and low targets show the range of estimates, not forecasts.

Analyst expectations
Consensus target: $116+33.2%
= 6 maintains
Canaccord Genuity maintained Buy · 2026-08-20
SEC filings watch
No recent filings
Peer context
MRCY+7.4%

Previous notable changes for MRCY

Activity2026-09-14
Mercury Systems, Inc. (MRCY) moved +3.26% from $78.47 to $81.03 on 2026-09-14. We checked news, earnings, analyst updates, SEC filings, and corporate actions — no company-specific catalyst was found. Volume remained near its 5-day average.
Risk2026-09-09via Yahoo Finance
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). Insider selling activity has added mild sentiment pressure.
Valuation2026-09-04via Yahoo Finance
Mercury Systems declined 2.73% to $82.40 following its fiscal 2026 Q4 earnings release and subsequent insider selling, per Yahoo Finance reporting. Despite record revenues and a backlog exceeding $1.9 billion, investors engaged in profit-taking amid valuation concerns, with CEO William Ballhaus and other insiders offloading tens of thousands of shares. Volume stood at 192,505 shares (0.79x average for this time of session).
Activity2026-09-01
Mercury Systems, Inc. (MRCY) moved -4.31% from $86.53 to $82.80 on 2026-09-01. We checked news, earnings, analyst updates, SEC filings, and corporate actions — no company-specific catalyst was found. The move appears to be technical, with MRCY reaching a new 30-day low on volume near its 5-day average.
Upcoming catalysts & outlook
Next earnings
2026-11-03 (est.)
in 48 days
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 7.4% to $87.01. No single company-specific catalyst was confirmed during the move window, and it looks technical.

How much did MRCY stock rise?

MRCY gained 7.38% ($5.98) versus the prior close of $81.03, last trading at $87.01 on 1.5× average volume.

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

MRCY's next earnings report is estimated for 2026-11-03 — about 48 days away.

What is the analyst price target for MRCY?

The consensus analyst price target for MRCY is $115.88, about 33.2% above the current $87.01. 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 its price and volume cleared MRCY-specific materiality thresholds, triggering an evidence check. 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 September 16, 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 dataFMP earnings & estimatesSEC EDGAR filingsAnalyst ratings & price targets (FMP)Earnings calendar (FMP)
Educational research tool — not personalized investment advice. Data may be delayed.