Thermo Fisher slips as investors weigh fresh growth skepticism and reputational overhang

Thermo Fisher Scientific (TMO) is down 3.1% today. Here is some analysis on what might have caused this price movement.

Analysis: No single, company-specific headline clearly explains today’s drop, but the move fits with a recent reset in expectations around Thermo Fisher’s near-term organic growth trajectory. This could also reflect lingering investor sensitivity to negative attention around the company’s antibody catalog practices, alongside a broader risk-off tone in life-sciences tools.

Details:

HSBC recently downgraded Thermo Fisher to Hold and cut its price target, citing a lack of near-term organic growth momentum and wanting more support for the company’s longer-term growth narrative.

Thermo Fisher’s Investor Day in May highlighted a long-term target of 7% organic revenue CAGR, which may have raised the bar for proof points in the next few quarters.

Researchers and a scientific publication raised concerns about apparent manipulation of certain antibody validation images in Thermo Fisher’s online catalog; the company said images may have been adjusted for presentation and indicated steps to provide more transparency.

Thermo Fisher signed an agreement to sell its microbiology business for about $1.075 billion, continuing a portfolio reshaping that can create near-term uncertainty around mix and earnings power.

Sources:

TipRanks (The Fly), Chemical & Engineering News, Thermo Fisher Scientific Investor Relations

Disclaimer: This price movement analysis was generated with the help of AI. Please double-check the information provided for mistakes.

$TMO Insider Trading Activity

$TMO insiders have traded $TMO stock on the open market 36 times in the past 6 months. Of those trades, 0 have been purchases and 36 have been sales.

Here’s a breakdown of recent trading of $TMO stock by insiders over the last 6 months:

MARC N CASPER (Chairman & CEO) has made 0 purchases and 33 sales selling 14,000 shares for an estimated $7,136,750.
MICHAEL D SHAFER (Executive Vice President) sold 1,607 shares for an estimated $802,535
GIANLUCA PETTITI (President & COO) has made 0 purchases and 2 sales selling 800 shares for an estimated $401,544.

To track insider transactions, check out Quiver Quantitative's insider trading dashboard. You can access data on insider stock transactions through the Quiver Quantitative API insider transaction endpoint.

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$TMO Hedge Fund Activity

We have seen 1,122 institutional investors add shares of $TMO stock to their portfolio, and 1,405 decrease their positions in their most recent quarter.

Here are some of the largest recent moves:

J. STERN & CO. LLP removed 31,454,483 shares (-99.8%) from their portfolio in Q1 2026, for an estimated $15,176,001,685
CAPITAL WORLD INVESTORS removed 4,357,498 shares (-39.6%) from their portfolio in Q1 2026, for an estimated $2,102,383,847
CAPITAL INTERNATIONAL INVESTORS added 2,968,583 shares (+322.6%) to their portfolio in Q1 2026, for an estimated $1,432,267,082
AUTO-OWNERS INSURANCE CO removed 2,423,706 shares (-99.8%) from their portfolio in Q1 2026, for an estimated $1,169,377,552
ROCKEFELLER CAPITAL MANAGEMENT L.P. removed 2,058,664 shares (-82.8%) from their portfolio in Q1 2026, for an estimated $993,253,913
WELLINGTON MANAGEMENT GROUP LLP removed 1,989,989 shares (-57.4%) from their portfolio in Q1 2026, for an estimated $960,119,942
CAPITAL RESEARCH GLOBAL INVESTORS added 1,499,720 shares (+51.5%) to their portfolio in Q1 2026, for an estimated $723,577,407

To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard. You can access data on hedge funds moves and 13F filings through the Quiver Quantitative API 13F endpoint.

$TMO Government Contracts

We have seen $90,850,485 of award payments to $TMO over the last year.

Here are some of the awards which we have have seen pay out the most over the last year:

FUNDING DOCUMENT FOR OY3. CONSUMABLES AND REAGENTS.: $21,465,980
MAINTENANCE OF THERMO FISHER SCIENTIFIC MASS SPECTROMETERS: $1,830,683
PLASMA-FOCUSED ION BEAM SCANNING ELECTRON MICROSCOPE (FIB-SEM): $1,800,000
LAB EQUIPMENT MAINTENANCE AGREEMENT: $1,675,697
DELIVERY ORDER - ORDERING PERIOD 1 FOR ONE LAMBDA INC. REAGENTS.: $1,258,129

To track government contracts to publicy traded companies, check out Quiver Quantitative's government contracts dashboard. You can access data on government contracts through the Quiver Quantitative API government contracts endpoint.

$TMO Congressional Stock Trading

Members of Congress have traded $TMO stock 1 times in the past 6 months. Of those trades, 0 have been purchases and 1 have been sales.

Here’s a breakdown of recent trading of $TMO stock by members of Congress over the last 6 months:

REPRESENTATIVE DWIGHT EVANS sold up to $15,000 on 05/07.

To track congressional stock trading, check out Quiver Quantitative's congressional trading dashboard. You can access data on congressional stock trades through the Quiver Quantitative API Congress trades endpoint.

$TMO Analyst Ratings

Wall Street analysts have issued reports on $TMO in the last several months. We have seen 1 firms issue buy ratings on the stock, and 0 firms issue sell ratings.

Here are some recent analyst ratings:

Barclays issued a "Overweight" rating on 01/30/2026

To track analyst ratings and price targets for $TMO, check out Quiver Quantitative's $TMO forecast page.

$TMO Price Targets

Multiple analysts have issued price targets for $TMO recently. We have seen 10 analysts offer price targets for $TMO in the last 6 months, with a median target of $607.5.

Here are some recent targets:

David Westenberg from Piper Sandler set a target price of $510.0 on 06/11/2026
Sidharth Sahoo from HSBC set a target price of $540.0 on 06/03/2026
Mike Polark from Wolfe Research set a target price of $535.0 on 06/02/2026
Brandon Couillard from Wells Fargo set a target price of $615.0 on 05/08/2026
Catherine Schulte from Baird set a target price of $639.0 on 04/24/2026
Daniel Arias from Stifel set a target price of $600.0 on 04/24/2026
Luke Sergott from Barclays set a target price of $625.0 on 04/14/2026

This article is not financial advice. See Quiver Quantitative's disclaimers for more information. Note that there may be inaccuracies due to mistakes in ticker-mapping, and other anomalies.