Market closed · After hours · 5:51 PM ET
Last update: Sep 18, 2026, 5:10 PM ET
Madrigal Pharmaceuticals, Inc.
$531.52 0.54% today
After Hours

Why Madrigal Pharmaceuticals, Inc. (MDGL) stock moved

Updated Sep 18, 2026

Madrigal Pharmaceuticals, Inc. (MDGL) shares fell 0.5% to $531.52 as of September 18, 2026, a slight decline from the prior close of $534.40. BestStocks flagged the session as a major change for MDGL. Below, we break down what changed for MDGL, why it matters for investors, how the stock reacted, and the catalysts on the calendar.

What happened

MDGL fell 0.5% to $531.52

Madrigal Pharmaceuticals is trading up 2.76% to $548.91, driven by anticipation ahead of the company's presentation at the 2026 Cantor Global Healthcare Conference tomorrow (September 10), according to the web catalyst and corroborated by investor relations announcements cited by Google's AI Overview. The gain reflects typical pre-conference accumulation by institutional investors ahead of updates on Rezdiffra commercialization and pipeline developments. Volume of 191,812 shares at 370 minutes into the session is 0.85x time-adjusted normal, indicating steady participation without spike. Madrigal's presentation at Cantor Global Healthcare Conference on September 10, 2026, followed by Q3 earnings scheduled for November 3, 2026 (consensus EPS estimate: −$0.91).

This summary describes the catalyst and move as first detected on Sep 9, 2026, 3:42 PM EDT; the stock has continued trading since, so the current price and percentage move (shown above) may be larger or smaller than the figures here.
ValuationWeak confidence
Rel. volume
1.0×
Normal
Vs peers
No comparable peers
Market cap
$12.3B
NASDAQ Global Select
Analyst target
$677
+27.4% vs price
Price chart
Aug 18 – Sep 18
VVEE$511$529$548Aug 18Aug 26Sep 2Sep 11Sep 18
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 Madrigal Pharmaceuticals, Inc. investors

For Madrigal Pharmaceuticals, Inc. investors, the recent signals add up to a bearish shift. Weighing against that: Material negative event; Negative session, down 0.5%. Wall Street's consensus price target sits at $677.00, implying +27.4% upside from $531.52. Over the past 90 days analysts logged 1 upgrade and 0 downgrades. BestStocks rates the overall signal quality weak (36/100). With earnings roughly 46 days out, the next report is the most likely near-term test of the move.

MDGL price reaction

MDGL last traded at $531.52, down $2.88 (-0.54%) from the previous close of $534.40. The session traded on 1.0× average volume (normal), so participation was unremarkable. Over the past month the stock has ranged between $511.97 and $546.93, and it currently sits about 56% of the way up that band.

Bullish and bearish analyst opinions on Madrigal Pharmaceuticals, Inc. (MDGL)

The consensus analyst price target on Madrigal Pharmaceuticals, Inc. (MDGL) is $677.00, 27.4% above the recent $531.52. Over the past 90 days analysts logged 1 upgrade, 2 maintains, and 0 downgrades. Here is how the bullish and bearish cases on MDGL line up.

The bullish case

  • Wall Street's consensus price target of $677.00 implies +27.4% upside from $531.52.
  • The Street's most bullish target is $962.00 (+81.0%).
  • 1 analyst upgrade in the past 90 days, most recently Wolfe Research to Outperform (2026-08-04).

The bearish case

  • Material negative event.
  • Negative session, down 0.5%.
  • Madrigal Pharmaceuticals filed an 8-K material event report today (SEC mdgl-20260730.htm) coinciding with an earnings report, triggering a 14.28% intraday decline to $468.76.
Bull vs bear balanceBearish Shift
BearishNeutralBullish

Weighing both sides, BestStocks' composite read of recent signals is bearish, 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 18, 2026; other aggregators may differ. High and low targets show the range of estimates, not forecasts.

Analyst expectations
Consensus target: $677+27.4%
1 upgrades= 2 maintains
Wolfe Research upgraded to Outperform · 2026-08-04
SEC filings watch
8-K2026-08-12
Material event — review for impact
high
8-K2026-07-30
Material event — review for impact
high
10-Q2026-07-30
Quarterly financial results
medium
8-K2026-06-17
Material event — review for impact
high
Peer context
MDGL-0.5%

Previous notable changes for MDGL

Material / Earnings2026-09-15-3.1%
Madrigal Pharmaceuticals, Inc. (MDGL) moved -2.97% from $539.25 to $523.26 on 2026-09-15. We checked news, earnings announcements, analyst updates, SEC filings, and corporate actions — no company-specific catalyst was found. Volume remained near its 5-day average at 1.2x, indicating no unusual trading activity.
Valuation2026-08-26+5.2%via Yahoo Finance
Madrigal Pharmaceuticals rose 6.18% to $543.81 following major institutional investor disclosures in SEC 13F filings released August 26. Paulson & Co. disclosed a new position of over 1.34 million shares (~$719.5 million), making MDGL its largest portfolio holding, while Bank of New York Mellon Corp and J. Goldman & Co. also took fresh positions. Volume was below average at 0.59x expected for this time of session.
Material / Earnings2026-08-20-3.9%
Madrigal Pharmaceuticals, Inc. (MDGL) moved −2.92% from $534.69 to $519.09 on 2026-08-20. We checked news, earnings announcements, analyst updates, SEC filings, and corporate actions — no company-specific catalyst was found. Volume was near its 5-day average, indicating routine trading.
Material / Earnings2026-08-17+3.4%
Madrigal Pharmaceuticals, Inc. (MDGL) moved +3.36% from $507.83 to $524.87 on 2026-08-17. We checked news, earnings announcements, analyst updates, SEC filings, and corporate actions — no company-specific catalyst was found. Volume remained near its 5-day average.

In-depth MDGL event analyses

Permanent, dated analyses of MDGL's most significant sessions.
Upcoming catalysts & outlook
Next earnings
2026-11-03 (est.)
in 46 days
Earnings Release
2026-11-03
High impact
Thesis shift
Bearish Shift
bearish signal
Risk level
High
from change events

Frequently asked questions about MDGL

Why did Madrigal Pharmaceuticals, Inc. (MDGL) stock move?

MDGL fell 0.5% to $531.52. The move coincided with the context summarized above, though no single company-specific catalyst was independently confirmed.

How much did MDGL stock fall?

MDGL lost 0.54% ($2.88) versus the prior close of $534.40, last trading at $531.52 on 1.0× average volume.

When is Madrigal Pharmaceuticals, Inc.'s next earnings date?

MDGL's next earnings report is estimated for 2026-11-03 — about 46 days away.

What is the analyst price target for MDGL?

The consensus analyst price target for MDGL is $677.00, about 27.4% above the current $531.52. Over the past 90 days, analysts recorded 1 upgrade, 2 maintains, and 0 downgrades.

How BestStocks tracks MDGL

This page is generated automatically by BestStocks' change-detection system after its price and volume cleared MDGL-specific materiality thresholds, triggering an evidence check. It draws on 20 tracked change events for MDGL, cross-checked against the data sources listed below. Price, volume, and market-capitalization figures are the live intraday quote as of September 18, 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 dataSEC EDGAR filingsFMP earnings & estimatesAnalyst ratings & price targets (FMP)Earnings calendar (FMP)
Educational research tool — not personalized investment advice. Data may be delayed.