FormFactor stock gains as valuation debate intensifies after latest rally
Published on 09/19/2026 at 18:21 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWSFormFactor stock (ISIN US3463751087) closed at USD 118.38 on Nasdaq on September 18, 2026, marking a 6.2% gain in a single trading session that pushed its year-to-date performance above 100 percent. As GuruFocus reported on September 18, 2026, the stock is now trading more than double one widely cited intrinsic value estimate, fueling a sharp valuation debate.
Strong share price run-up and valuation gap
According to GuruFocus on September 18, 2026, FormFactor shares rose 6.2 percent in that session to close at USD 118.38, a level the service compares with a GF Value estimate of USD 58.76, implying the market price is 101.5 percent above that intrinsic value proxy.
In the same assessment, GuruFocus assigns FormFactor a GF Score of 70 out of 100, with sub-scores of 10 for financial strength, 7 for profitability, 8 for growth, 1 for valuation and 3 for momentum, underscoring that the stock screens as above-average quality but significantly overvalued relative to its GF Value benchmark.
Analyst targets frame upside expectations
Beyond pure valuation models, analyst price targets provide another lens on the recent FormFactor rally. A sector overview compiled by QuiverQuant on September 18, 2026 notes that six analysts have issued price targets on FormFactor over the last six months, with a median target of USD 160.00.
According to QuiverQuant, recent individual targets include USD 165.00 from B. Riley Securities on June 12, 2026, USD 155.00 from Evercore ISI Group on June 5, 2026, USD 175.00 from Craig-Hallum on May 12, 2026, USD 150.00 from TD Cowen on April 30, 2026, USD 165.00 from Citigroup also on April 30, 2026, and USD 125.00 from Cantor Fitzgerald on April 6, 2026, all of which sit above the USD 118.38 close reported on September 18, 2026.
Market performance and investor perspective
A governance and market overview on MarketScreener dated September 19, 2026 shows the FormFactor share price at USD 118.45, with a five-day change of plus 6.07 percent and a year-to-date change of plus 112.43 percent as of the market close on September 18, 2026, underlining how strongly the stock has performed over 2026 so far.
For investors, the key comparison is that the current share price around USD 118.38 to USD 118.45 stands well below the median analyst target of USD 160.00 cited by QuiverQuant yet significantly above the GF Value estimate of USD 58.76 highlighted by GuruFocus, illustrating the wide range of views on what constitutes fair value.
FormFactor stock at the latest close
FormFactor stock last closed at USD 118.38 on Nasdaq on September 18, 2026, with the move representing a 6.2 percent gain versus the prior session and leaving the shares more than 100 percent higher since the start of 2026, based on data from GuruFocus and MarketScreener.
FormFactor stock key data
- Company: FormFactor, Inc.
- ISIN: US3463751087
- Ticker: FORM
- Trading venue: Nasdaq
- Price (as of September 18, 2026): 118.38 USD
- Sector / Industry: Information Technology / Semiconductor Equipment & Testing
- Index membership: Not specified
