After two consecutive years in which the annual number of federal court securities class action lawsuit filings increased, the number of federal court securities class action lawsuit filings decreased slightly in 2025 compared to 2024, to the lowest level since 2022. The number of federal court securities class action suit filings during past year reflected the impact of several ongoing securities lawsuit filings trends, such as the new lawsuit filings relating to artificial intelligence (AI) and cryptocurrencies. The slight decline in the annual number of filings reflects the diminishing impact of certain long-term trends that waned during the year, as discussed below. Continue Reading Federal Court Securities Suit Filings Declined Slightly in 2025
The torrid pace of securities class action lawsuit filings continued in the first half of 2018, coming in at a rate only very slightly below last year’s record-setting pace. While a significant number of the first half filings are attributable to merger objection lawsuit lawsuits, the number of traditional filing alone during the first half of the year were well above historical levels. If the first half’s pace continues in the second half of the year, the projected number of year-end filings would approach last year’s elevated total.
Securities class action lawsuit filings have been going crazy. Securities suit filings during the first quarter 2017 set a pace that if continued would mean an unprecedented number of securities lawsuit by year end. But even more significant than the sheer number of lawsuits is the rate of litigation. The percentage of listed companies sued in the first quarter, if annualized, would mean that U.S. public companies are being sued at four times the long-term historical rate. As discussed below, three factors account for much of the upsurge in securities suit filings.
According to the latest annual securities litigation survey, securities class action lawsuit filings were at “record” levels in 2016. A surge of federal court merger objection lawsuit filings during the year accounted for much of the activity, but even so-called “traditional” securities lawsuit filings were at elevated levels, according to report, which was release jointly by Cornerstone Research and the Stanford Law School Class Action Clearinghouse. The January 31, 2017 report, entitled “Securities Class Action Filings: 2016 Year in Review,” can be found 
Securities class action lawsuit filings in the first half of 2016 leapt to their highest level in years, according to a recent report from Cornerstone Research. According to the report, which is entitled “Securities Class Action Filings: 2016 Midyear Assessment,” both the number of lawsuit filings and the rate of litigation were well above long-term historical semiannual averages in the first six months of 2016. The increases are attributable in part to the increase in federal court M&A-related securities litigation, as discussed below. The report can be found