Mid-caps sit between small and large caps (roughly ~$2–$10B market value) and are tracked most cleanly by the S&P MidCap 400 and the Russell Midcap family. They’re big enough to have product/market fit and financing options, but still small enough for operating leverage, mix shifts, and M&A to move the needle.
In 2025 they’ve lagged the AI-turbocharged mega-caps: the iShares Core S&P Mid-Cap ETF (IJH), a pure S&P 400 tracker, shows a ~4.5% NAV total return year-to-date through Oct 13, versus ~13.5% for the S&P 500 and ~12.4% for the small-cap-heavy Russell 2000. That underperformance is the opportunity.
Valuation supports the setup: State Street’s MDY (another S&P 400 tracker) shows the cohort at ~18x next-twelve-month earnings and ~11x price/cash-flow as of Oct 13, implying a noticeable discount to many large-cap peers after the 2023–25 multiple expansion at the top end. Sector mix is also distinct: Industrials are the single largest sleeve, with Financials and Information Technology following, so the “AI winners only” bias that dominates large-cap indices is less extreme here.
Cyclically, the backdrop is improving but uneven. Russell’s latest U.S. spotlight flags a rising two-year EPS growth outlook across size cohorts and a broadening of industry leadership beneath the mega-caps, consistent with the idea that earnings breadth is turning up. Meanwhile, dealmaking has restarted: global M&A volumes were down 9% y/y in 1H25, but values rose 15%, a mix that historically favors mid-caps (targets and consolidators) as financing normalizes and boards regain confidence.
Structurally, mid-caps aren’t just a “tweener” bucket. S&P’s long-run research has repeatedly shown this segment to be a performance “sweet spot,” with better risk-adjusted returns than both large and small caps over long windows; more recent sell-side and sponsor work echoes the same message and quantifies the edge across rolling 10-year periods. Translation: when the cycle broadens and rates stabilize, mid-caps tend to catch up — fast.
The payoff is asymmetric: you’re not paying mega-cap premiums, yet you still get real operating leverage, cleaner capital allocation, and genuine M&A optionality. If breadth keeps improving into 2026, this is where the market’s next leg of “catch-up alpha” is most likely to come from.
A stock market chart. Photo by Arturo A on Pexels
Our Methodology
For our list of the oversold mid-cap stocks to buy according to hedge funds, we screened for stocks in the mid-cap range that had an RSI lower than 30. From these, we selected stocks that had the highest number of hedge funds having a stake in them as of Q2, 2025, and ranked them in order of the hedge fund sentiment as well. We sourced the RSI data from stockanalysis.com and the hedge fund sentiment from the Insider Monkey database. The market cap data is as of October 14.
Why are we interested in the stocks that hedge funds pile into? The reason is simple: our research has shown that we can outperform the market by imitating the top stock picks of the best hedge funds. Our quarterly newsletter’s strategy selects 14 small-cap and large-cap stocks every quarter and has returned 427.7% since May 2014, beating its benchmark by 264 percentage points (see more details here).
9. Magnite, Inc. (NASDAQ:MGNI)
RSI: 28.32
Market Cap: $2.56 Billion
Number of Hedge Fund Holders: 34
Magnite, Inc. (NASDAQ:MGNI) is one of the most oversold mid-cap stocks to buy according to hedge funds.
On October 8, 2025, Magnite announced that members of the Digital News Publishers Association (DNPA) — a coalition of 22 major Indian news outlets — have adopted its audience activation platform, Magnite Access. This move gives DNPA members greater control over their first-party data while offering advertisers more direct access to high-quality inventory from premium publishers. The rollout comes amid rising demand for transparent, privacy-conscious ad solutions, particularly in India’s booming digital media market.
The announcement follows a string of recent developments at Magnite, including integrations with Acxiom for enhanced data targeting, a major CTV “Pause Ads” launch, and a programmatic partnership with Paramount+ in Australia.
Magnite, Inc. (NASDAQ:MGNI) operates one of the world’s largest independent sell-side advertising platforms. Its tools help publishers monetize content across CTV, online video, display, and mobile environments while giving advertisers more transparency and control.
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