Short Interest in FormFactor, Inc. (NASDAQ:FORM) Grows By 45.4%

FormFactor, Inc. (NASDAQ:FORM) saw a large increase in short interest during the month of December. As of December 31st, there was short interest totaling 3,281,396 shares, an increase of 45.4% from the December 15th total of 2,256,427 shares. Based on an average daily trading volume, of 1,008,820 shares, the short-interest ratio is presently 3.3 days. Approximately 4.3% of the shares of the company are short sold. Approximately 4.3% of the shares of the company are short sold. Based on an average daily trading volume, of 1,008,820 shares, the short-interest ratio is presently 3.3 days.

More FormFactor News

Here are the key news stories impacting FormFactor this week:

• Positive Sentiment: Zacks Research raised multiple near-term EPS estimates and the firm’s FY outlook for FORM, and upgraded the stock to a “Strong-Buy” — Zacks bumped FY2026 EPS to $0.95 (from $0.88) and raised Q1/Q2/Q3 and FY2027 quarter estimates, signaling improving analyst confidence in the company’s near-term profitability. Zacks Research Note
• Positive Sentiment: Other recent analyst actions (upgrades/raised targets from firms including Citi, B. Riley and Stifel) and a skew of buy/hold ratings have supported momentum and likely contributed to buying interest. MarketBeat Analyst Coverage
• Neutral Sentiment: FormFactor confirmed its fiscal Q4 2025 earnings release and webcast for Feb. 4, 2026 — an event that will be a near-term catalyst (could drive further moves depending on results and guidance). Earnings Date Notice
• Neutral Sentiment: Media coverage highlighting why FORM is “soaring” today is amplifying attention; that can attract momentum traders but may not reflect fundamentals until results or guidance confirm the upgrade-driven expectations. MSN Coverage
• Negative Sentiment: CEO Mike Slessor sold 13,088 shares on Jan. 15 (part of a series of recent insider sales), which investors may view as a mild negative signal on insider conviction despite his remaining large holding. SEC filing: SEC Form 4

Insider Activity

In related news, CEO Mike Slessor sold 13,088 shares of the firm’s stock in a transaction on Thursday, January 15th. The stock was sold at an average price of $76.81, for a total transaction of $1,005,289.28. Following the transaction, the chief executive officer directly owned 472,907 shares in the company, valued at $36,323,986.67. This trade represents a 2.69% decrease in their ownership of the stock. The sale was disclosed in a document filed with the SEC, which is available through this hyperlink. Also, Director Kelley Steven-Waiss sold 2,700 shares of the business’s stock in a transaction dated Tuesday, December 2nd. The shares were sold at an average price of $55.97, for a total transaction of $151,119.00. Following the sale, the director directly owned 32,779 shares of the company’s stock, valued at approximately $1,834,640.63. This represents a 7.61% decrease in their position. The SEC filing for this sale provides additional information. In the last ninety days, insiders sold 73,466 shares of company stock worth $4,683,377. 0.90% of the stock is currently owned by insiders.

Institutional Investors Weigh In On FormFactor

A number of institutional investors and hedge funds have recently modified their holdings of FORM. SG Americas Securities LLC raised its holdings in FormFactor by 1,158.7% during the 4th quarter. SG Americas Securities LLC now owns 175,432 shares of the semiconductor company’s stock worth $9,786,000 after buying an additional 161,494 shares during the period. Assenagon Asset Management S.A. raised its holdings in shares of FormFactor by 384.5% during the fourth quarter. Assenagon Asset Management S.A. now owns 562,769 shares of the semiconductor company’s stock valued at $31,391,000 after acquiring an additional 446,615 shares during the period. Wealth Enhancement Advisory Services LLC boosted its stake in FormFactor by 2.4% in the 4th quarter. Wealth Enhancement Advisory Services LLC now owns 16,073 shares of the semiconductor company’s stock worth $897,000 after purchasing an additional 370 shares during the period. GAMMA Investing LLC grew its position in FormFactor by 12.6% during the 4th quarter. GAMMA Investing LLC now owns 5,184 shares of the semiconductor company’s stock worth $289,000 after purchasing an additional 579 shares in the last quarter. Finally, CIBC Bancorp USA Inc. acquired a new stake in FormFactor during the 3rd quarter valued at $303,000. 98.76% of the stock is owned by institutional investors and hedge funds.

Analyst Upgrades and Downgrades

Several analysts recently commented on the company. Cantor Fitzgerald started coverage on FormFactor in a research report on Tuesday, November 18th. They issued an “overweight” rating and a $75.00 target price on the stock. Zacks Research raised shares of FormFactor from a “hold” rating to a “strong-buy” rating in a report on Tuesday. Stifel Nicolaus raised their target price on shares of FormFactor from $42.00 to $65.00 and gave the company a “hold” rating in a research note on Wednesday. B. Riley restated a “buy” rating on shares of FormFactor in a research report on Thursday. Finally, DA Davidson set a $55.00 price objective on shares of FormFactor in a report on Thursday, October 30th. One equities research analyst has rated the stock with a Strong Buy rating, four have assigned a Buy rating and six have assigned a Hold rating to the stock. Based on data from MarketBeat.com, FormFactor currently has a consensus rating of “Moderate Buy” and an average target price of $59.88.

FormFactor Stock Performance

Shares of FORM opened at $78.31 on Friday. The company has a debt-to-equity ratio of 0.01, a current ratio of 4.30 and a quick ratio of 3.46. The firm’s 50 day moving average is $57.83 and its 200-day moving average is $43.55. FormFactor has a 12-month low of $22.58 and a 12-month high of $78.56. The stock has a market capitalization of $6.07 billion, a P/E ratio of 150.60 and a beta of 1.12.

About FormFactor

FormFactor, Inc (NASDAQ:FORM) is a leading provider of advanced test and measurement solutions for the semiconductor industry. The company specializes in the design, development and manufacture of high-performance wafer-level and package-level test interfaces used in wafer sort, characterization, reliability and failure analysis applications. By leveraging precision microelectromechanical systems (MEMS) and photolithographic processes, FormFactor delivers probe cards, analytical probes and test sockets that enable device makers to validate next-generation integrated circuits across logic, memory, RF, analog and power applications.

FormFactor’s product portfolio includes custom probe cards for wafer probers, TEM-based analytical probes for material and device characterization, and socket solutions for burn-in and final test of packaged devices.