In this article, we will list the 5 Best Mid Cap Stocks to Buy with Highest Upside Potential. Please visit 10 Best Mid Cap Stocks to Buy with Highest Upside Potential to see the extended list and the methodology behind it.
5. VinFast Auto Ltd. (NASDAQ:VFS)
Average Upside Potential: 68.07%
VinFast Auto Ltd. (NASDAQ:VFS) is one of the best mid cap stocks to buy with highest upside potential. On May 21, VinFast unveiled its new-generation VF 8, a D-segment electric SUV featuring significant upgrades to its design, technology, and performance. Built on a “Tech Fluid” design philosophy, the updated model prioritizes aerodynamic efficiency and modern aesthetics, while the interior offers an ergonomic cabin layout featuring a 12.9-inch infotainment display, climate control, and a virtual assistant that supports multiple Vietnamese dialects.

The vehicle’s driving dynamics are enhanced by a new chassis platform with Frequency Selective Dampers/FSD and a Software Defined Vehicle/SDV architecture managed by a Central Vehicle Computer for more responsive performance. It is powered by a 170 kW motor and a 60.13 kWh battery, achieving a range of up to 500 km (NEDC standards) and supporting fast charging from 10% to 70% in under 30 minutes. The model also introduces a patented Integrated Thermal Management system to optimize battery and motor efficiency.
Safety remains a priority, with the new VF 8 equipped with an advanced suite of driver assistance features, including adaptive cruise control and a 360-degree camera system, targeting a 5-star ASEAN NCAP safety rating. Pre-orders in Vietnam open on May 27, at a price of VND 999 million, with the first deliveries scheduled for late July. The vehicle is backed by a seven-year or 160,000 km warranty for the car and an eight-year or 160,000 km warranty for the battery.
VinFast Auto Ltd. (NASDAQ:VFS) designs and manufactures electric vehicles. It offers electric scooters (e-scooters) and electric buses (e-buses). It provides an e-mobility ecosystem built around customers, community, and connectivity alongside new vehicle roll-out.
4. AeroVironment Inc. (NASDAQ:AVAV)
Average Upside Potential: 70.75%
AeroVironment Inc. (NASDAQ:AVAV) is one of the best mid cap stocks to buy with highest upside potential. On May 12, AeroVironment was awarded a three-year, $43 million contract by the Department of War’s (DoW) Test Resource Management Center/TRMC to integrate its PANTHER phased array antenna system onto SkyRange platforms. This initiative modernizes the nation’s weapons testing infrastructure by providing a mobile, rapidly deployable solution capable of tracking multiple targets simultaneously.
The PANTHER antenna features an all-digital, modular framework that supports autonomous operation and remote control. By using high-altitude, long-endurance unmanned aircraft under the SkyRange initiative, the system creates a flexible, airborne telemetry solution. This program also focuses on workforce development through a new certification program with Bismarck State College to train technicians for PANTHER maintenance.
AeroVironment Inc.’s (NASDAQ:AVAV) leadership emphasized that this contract supports national security by reducing technical risks and development costs. As the company continues to integrate PANTHER onto aerial platforms at GrandSKY in North Dakota, the project is expected to accelerate weapons development cycles and help the military address evolving global security threats.
AeroVironment Inc. (NASDAQ:AVAV) designs and manufactures unmanned aerial vehicles, ground robotic systems, and loitering munitions.
3. Karman Holdings Inc. (NYSE:KRMN)
Average Upside Potential: 87.21%
Karman Holdings Inc. (NYSE:KRMN) is one of the best mid cap stocks to buy with highest upside potential. On May 12, Karman Space & Defense secured contingent demand commitments from 4 major customers, representing a total potential value of over $1 billion across the next 4 to 7 years. These written expressions of intent cover critical components for space and defense programs, including several priority weapon systems identified by the Munitions Acceleration Council. The commitments are expected to convert into firm contracts once Karman’s customers receive funded orders from their own end clients.
Company leadership noted that these commitments provide clearer visibility into future demand, allowing Karman to proactively invest in production capacity. The requirements align with the US Department of War’s mission priorities, specifically focusing on space launch support and the production of high-demand munitions like the THAAD, PAC-3, Tomahawk, GMLRS, and PrSM systems.
CEO Jon Rambeau emphasized that these agreements position the company for sustained, multi-year growth. He noted that these commitments represent only a portion of the total demand the company anticipates, reinforcing Karman’s role in supporting both established and emerging space launch providers through advanced propulsion, aerodynamic, and payload solutions.
Karman Holdings Inc. (NYSE:KRMN) is an aerospace & defense company that deals in mission-critical systems in the US. The company supplies products for hypersonic systems, strategic missile defense, tactical & integrated defense, and space & launch markets.
2. Futu Holdings Limited (NASDAQ:FUTU)
Average Upside Potential: 105.45%
Futu Holdings Limited (NASDAQ:FUTU) is one of the best mid cap stocks to buy with highest upside potential. On May 25, Goldman Sachs analyst Shuo Yang has downgraded Futu Holdings from Buy to Neutral, significantly lowering the price target from $210.47 to $102.13. The revision is primarily driven by heightened regulatory uncertainty surrounding the company, specifically following the announcement of fines and the required remediation of non-compliant client accounts in mainland China.
The firm also lowered its financial estimates to account for mounting operational challenges. The analyst noted that Futu is grappling with rising client acquisition costs in new markets, compounded by a decline in new assets under management, signaling potential headwinds for the company’s near-term growth.
Furthermore, on May 22, Futu Holdings announced that it repurchased approximately $160 million worth of its American depositary shares/ADSs as of May 23, pursuant to the share repurchase program originally initiated on November 18, 2025. The company indicated that it may continue to conduct further repurchases under this program, depending on prevailing market conditions.
Futu Holdings Limited (NASDAQ:FUTU) is a Hong Kong‑based fintech company offering fully digital brokerage, wealth management, and investing services via its Futubull and moomoo platforms, including trading, market data, financing, and global asset access to individual and institutional investors.
1. Vaxcyte Inc. (NASDAQ:PCVX)
Average Upside Potential: 132.56%
Vaxcyte Inc. (NASDAQ:PCVX) is one of the best mid cap stocks to buy with highest upside potential. On May 6, Vaxcyte achieved a significant milestone by completing enrollment for its three Phase 3 adult clinical trials (OPUS-1, OPUS-2, and OPUS-3) evaluating VAX-31 for the prevention of invasive pneumococcal disease. The OPUS-1 study serves as a pivotal head-to-head comparison against current standards of care, PCV20 and PCV21, with topline results expected in Q4 2026. Results for the remaining two studies are anticipated in H1 2027.
The company also reported progress in its broader vaccine pipeline and pediatric programs. Enrollment is finished for the VAX-31 infant Phase 2 dose-finding study, with data expected by the end of the first half of 2027. Additionally, Vaxcyte plans to initiate a Phase 1 adult clinical study for VAX-A1, its candidate for Group A Strep prevention, in mid-2026.
Financially, Vaxcyte Inc. (NASDAQ:PCVX) remains in a strong position, reporting approximately $2.7 billion in cash and investments as of March 31. This balance, bolstered by a February equity offering, provides the necessary capital to advance its clinical trials, manufacturing capabilities, and commercial readiness. Management emphasized that these resources support the company’s objective to establish VAX-31 as a best-in-class pneumococcal vaccine.
Vaxcyte Inc. (NASDAQ:PCVX) engages in the development of vaccines for infectious diseases, focusing on conjugate vaccines and protein-based vaccines developed through a platform for cell-free protein synthesis technology.
While we acknowledge the potential of PCVX to grow, our conviction lies in the belief that some AI stocks hold greater promise for delivering higher returns and have limited downside risk. If you are looking for an AI stock that is more promising than PCVX and that has 100x upside potential, check out our report about the cheapest AI stock.
READ NEXT: 10 Best Low Risk Stocks to Buy in 2026 and 12 Best Multibagger Stocks to Buy in 2026.
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