10 Best Mid-Cap US Stocks to Buy Now

8. Protagonist Therapeutics, Inc. (NASDAQ:PTGX)

Number of Hedge Fund Holders: 43

Market Cap as of October 30: $9.34 Billion

Year-to-Date Gain as of October 30: 65.57%

A 300%+ rally underscores why Protagonist Therapeutics, Inc. (NASDAQ:PTGX) is one of the best mid-cap US stocks to buy now. The explosive rally comes from the company establishing itself in the development of peptide-based therapies to treat inflammatory bowel disease.

Investor sentiment has strengthened as Protagonist Therapeutics moves beyond its clinical-stage biotechnology roots. It has already secured two FDA-approved medicines through partnerships with major pharmaceutical companies. Read how two drugs are nearing blockbuster status.

ICOTYDE (icotrokinra) is one of its lead products developed in collaboration with Johnson & Johnson, for moderate-to-severe plaque psoriasis. The FDA has also approved MIMRYLO (rusfertide) to treat erythrocytosis in adults with polycythemia vera, a rare blood cancer. The approval triggered a $275 million milestone payment, with the company also eligible for up to $875 million in additional milestones.

Protagonist Therapeutics, Inc. is also advancing additional peptide-based therapies, including PN-881, an oral IL-17 antagonist targeting inflammatory diseases. These programs offer additional growth opportunities and could further expand the company’s therapeutic reach.

Protagonist Therapeutics, Inc. is an attractive mid-cap biotechnology growth story because it combines two FDA-approved medicines, partnerships with major pharmaceutical companies, substantial financial resources, and an expanding drug-development pipeline.

7. Element Solutions Inc (NYSE:ESI)

Number of Hedge Fund Holders: 44

Market Cap as of October 30: $8.59 Billion

Year-to-Date Gain as of October 30: 36.47%

Element Solutions Inc (NYSE:ESI) is one of the best mid-cap US stocks to buy now, thanks to the competitive advantage of its Electronics business, which supplies specialty chemicals and materials used in semiconductor packaging.

The company is increasingly benefiting as investments in AI data centers accelerate, driving demand for advanced semiconductor packaging and high-performance electronic components. This growing demand for specialized materials is also drawing attention to opportunities across the nuclear and energy sectors. For more insights, see Jim Cramer Might Have Revealed A Major Hidden Nuclear Stock As Part Of His Discussion Of Materials & Chemical Companies.

Element Solutions delivered robust third-quarter results, with net sales jumping 52% to $995 million, up 13% organically. Net income increased to $66 million from $39 million a year ago. Adjusted EBITDA increased to $191 million. Management reiterated that it expects the growth momentum to continue into year-end, raising its full-year 2026 adjusted EBITDA forecast to approximately $720 million, up from its previous guidance of $650 million to $670 million.

On October 22, Mizuho raised its price target to $44 from $42 while reiterating a neutral rating after the impressive results. Earlier, on October 12, Barclays initiated coverage with a $53 price target and an overweight rating. What happened to the proposed Solstice merger?

Element Solutions stands out among mid-cap stocks because of its exposure to the expanding AI and semiconductor markets. Strong third-quarter performance, accelerating growth in its Electronics business, and an upward revision to its full-year earnings outlook reinforce its growth prospects.

6. Kirby Corporation (NYSE:KEX)

Number of Hedge Fund Holders: 44

Market Cap as of October 30: $7.71 Billion

Year-to-Date Gain: 30.47%

Kirby Corporation (NYSE:KEX) is one of the best mid-cap US stocks to buy now, combining improving marine transportation fundamentals with growing demand for power generation equipment and services. The stock has gained more than 30% year-to-date, outperforming the broader market.

The outperformance comes against the backdrop of the company’s strong position in transporting bulk liquid commodities across U.S. waterways. Likewise, Wall Street is already taking note, with JPMorgan initiating coverage on October 14 with an Overweight rating and a $200 price target. The investment sees the stock as a high risk-reward play, given tight supply and demand behind data center-driven power demand. Explore how Kirby is gaining from the distribution and services segment.

Meanwhile, Stephens raised its price target to $175 from $170 and reiterated an Overweight rating on October 29, impressed by adjusted earnings estimates. The company says it expects its full-year earnings per share to come in at the upper end of the 10% to 15% range. The upgrade comes on third-quarter earnings increasing by 27% to $2.09a share as marine transportation revenues increased 17%.

Kirby Corporation’s operating performance and exposure to data center infrastructure make it an interesting mid-cap stock to research.

5. Brinker International, Inc. (NYSE:EAT)

Number of Hedge Fund Holders: 48

Market Cap as of October 30: $9.21 Billion

Year-to-Date Gain as of October 30: 45.13%

Strong restaurant sales growth and improving profitability underscore why Brinker International, Inc. (NYSE:EAT) is one of the best mid-cap US stocks to buy now. The company has capitalized on renewed consumer demand for its Chili’s Grill & Bar brand, supported by menu innovation and competitive pricing. Is Brinker the turnaround restaurant story of the year?

Its ability to attract more customers and drive higher restaurant traffic has translated into solid financial performance. In the first quarter of fiscal 2027, revenue increased 9.4% year over year to $1.48 billion, while adjusted earnings of $2.77 per share exceeded analyst expectations.

A key contributor to this growth has been Chili’s successful turnaround. The brand recorded its 22nd consecutive quarter of comparable sales growth, with same-store sales increasing 10% in the latest quarter.

Wall Street analysts are already taking note of the impressive underlying growth. Seaport Research raised the stock price target to $250 on October 30, buoyed by the strong financial results. DA Davidson also reiterated its neutral rating but raised the price target to $220 from $210 following the first-quarter results. Is it a good stock to buy?

Brinker International, Inc.’s performance highlights how a successful brand turnaround, stronger restaurant traffic, and disciplined execution can support sustained comparable sales growth, improve profitability, and drive higher earnings.