Why Coherent (COHR) Stock Is Down Today

Coherent Corp. (COHR) is down 6.4% today. Here is some analysis on what might have caused this price movement.

Analysis: The most likely driver appears to be a broader selloff in optical and photonics stocks rather than a new company-specific negative announcement. This could be because investors are reassessing valuation and competitive risk across the AI networking and optical components group, even though Coherent recently posted strong results and upbeat near-term guidance.

Details:

Coherent’s latest quarterly report showed fourth-quarter fiscal 2026 revenue of $2.05 billion, up 34% year over year, with non-GAAP EPS of $1.74.

Management guided first-quarter fiscal 2027 revenue to $2.2 billion to $2.4 billion and non-GAAP EPS to $1.85 to $2.05, while highlighting strong customer demand and expanding production capacity.

No new press release appears on Coherent’s investor relations page after the August 12, 2026 earnings update, which suggests today’s drop may not be tied to a fresh company disclosure.

Optical peers were also under pressure today, with market commentary pointing to concerns around sector dilution, competitive intensity, and the longer-term impact of co-packaged optics on traditional component suppliers.

Sources:

Coherent Investor Relations, SEC, Investing.com

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

$COHR Insider Trading Activity

$COHR insiders have traded $COHR stock on the open market 16 times in the past 6 months. Of those trades, 0 have been purchases and 16 have been sales.

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

SHERRI R LUTHER (Chief Financial Officer) has made 0 purchases and 4 sales selling 8,000 shares for an estimated $2,726,600.
HOWARD H. XIA has made 0 purchases and 8 sales selling 6,240 shares for an estimated $1,749,942.
JULIE SHERIDAN ENG (Chief Technology Officer) has made 0 purchases and 2 sales selling 4,246 shares for an estimated $1,189,039.
ENRICO DIGIROLOMO sold 3,911 shares for an estimated $944,506
STEPHEN A SKAGGS sold 3,523 shares for an estimated $856,550

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.

$COHR Hedge Fund Activity

We have seen 825 institutional investors add shares of $COHR stock to their portfolio, and 555 decrease their positions in their most recent quarter.

Here are some of the largest recent moves:

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM added 110,575,283 shares (+61009.7%) to their portfolio in Q2 2026, for an estimated $43,618,631,885
FMR LLC removed 11,648,157 shares (-51.4%) from their portfolio in Q2 2026, for an estimated $4,594,848,491
BAIN CAPITAL INVESTORS LLC removed 9,775,846 shares (-100.0%) from their portfolio in Q1 2026, for an estimated $2,328,704,275
CAPITAL INTERNATIONAL INVESTORS added 3,600,561 shares (+inf%) to their portfolio in Q2 2026, for an estimated $1,420,313,297
WT ASSET MANAGEMENT LTD removed 2,676,129 shares (-100.0%) from their portfolio in Q2 2026, for an estimated $1,055,652,606
SIXTH STREET PARTNERS MANAGEMENT COMPANY, L.P. added 2,178,959 shares (+inf%) to their portfolio in Q2 2026, for an estimated $859,533,956
JPMORGAN CHASE & CO added 1,691,694 shares (+inf%) to their portfolio in Q2 2026, for an estimated $667,322,532

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.

$COHR Congressional Stock Trading

Members of Congress have traded $COHR stock 2 times in the past 6 months. Of those trades, 2 have been purchases and 0 have been sales.

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

SENATOR SHELDON WHITEHOUSE purchased up to $50,000 on 06/25.
REPRESENTATIVE GILBERT RAY CISNEROS, JR. purchased up to $15,000 on 03/25.

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.

$COHR Analyst Ratings

Wall Street analysts have issued reports on $COHR in the last several months. We have seen 2 firms issue buy ratings on the stock, and 0 firms issue sell ratings.

Here are some recent analyst ratings:

TD Cowen issued a "Buy" rating on 05/07/2026
Rothschild & Co issued a "Buy" rating on 05/01/2026

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

$COHR Price Targets

Multiple analysts have issued price targets for $COHR recently. We have seen 10 analysts offer price targets for $COHR in the last 6 months, with a median target of $403.5.

Here are some recent targets:

Simon Leopold from Raymond James set a target price of $435.0 on 07/02/2026
Mike Genovese from Rosenblatt set a target price of $425.0 on 06/25/2026
Sean O'Loughlin from TD Cowen set a target price of $395.0 on 05/07/2026
Ruben Roy from Stifel set a target price of $412.0 on 05/05/2026
Mike Harrison from Rothschild & Co set a target price of $455.0 on 05/01/2026
Papa Sylla from Citigroup set a target price of $420.0 on 04/21/2026
Meta Marshall from Morgan Stanley set a target price of $290.0 on 04/20/2026

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.