In this article, we will discuss: 10 Most Profitable Small Cap Stocks to Buy.
According to Jamie McGeever’s Reuters Open Interest column on June 2, 2026, small-cap shares led the AI-driven boom, with the Russell 2000 index jumping 17% this year, surpassing the S&P 500’s 10% rise. As per the column, smaller firms benefited from the projected $800 billion AI capital expenditure cycle, with gains concentrated in technology and energy. Keith Lerner, chief investment officer at Truist Advisory Services, commented that “this underscores how strong and widespread that demand has been,” pointing out rising participation across small-cap semiconductor and equipment-linked firms.
McGeever reported that small-cap tech equities have risen 45% year to date, compared to 25% for large-cap tech, while small-cap energy is up 34%, compared to 27% for its larger peers. He also pointed out that small-cap energy has grown by 13% since February 27, compared to 2% for large-cap energy, and small-cap technology has increased by 70% since March 30, compared to 45% for large-cap technology. Bank of America poll data showed 54% of fund managers expect large caps to outperform small caps, the highest since June 2022, as investors weigh the dangers of higher interest rates, inflation approaching 4%, and a likely slowdown in AI capital spending.
With that said, here are the 10 Most Profitable Small Cap Stocks to Buy.
Methodology:
We used screeners to identify the Most Profitable Small-Cap Stocks that reported operating and net profit margins exceeding 20%. We limited our final selection to companies that have recently reported noteworthy developments likely to impact investor sentiment. These stocks are also popular among analysts and elite hedge funds. To make the list easier to navigate, we ranked the finalized stocks in ascending order by net profit margin.
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. Insider Monkey’s quarterly newsletter’s strategy selects 14 small-cap and large-cap stocks every quarter and has returned 599.2% since May 2014, beating its benchmark by 372 percentage points (see more details here).
10. Heritage Insurance Holdings, Inc. (NYSE:HRTG)
Net Profit Margin: 23.76%
Operating Margin: 23.90%
On May 12, Truist analyst Mark Hughes lowered Heritage Insurance Holdings, Inc. (NYSE:HRTG)’s price target to $36 from $39. The analyst maintained a “Buy” rating on the shares. It stated that a first-quarter earnings miss was pushed by slower top-line growth and “marginally higher weather losses.”
On May 7, 2026, Heritage Insurance Holdings, Inc. reported Q1 net income of $36.5 million, up by 19.7% year over year, with diluted EPS of $1.19, rising 20.2%. The corporation said its net loss ratio improved to 45.9% while generating $24.9 million in operating cash flow and repurchasing $12.0 million of shares.
The company said new business written grew 62.7% year over year. CEO Ernie Garateix stated the quarter marked the “most profitable” first quarter since 2014, even with $37 million in weather-related losses.
Heritage Insurance Holdings, Inc. is involved in the provision of personal and residential premiums, property, and casualty insurance policies.
9. Caledonia Mining Corporation Plc (NYSEAMERICAN:CMCL)
Net Profit Margin: 23.77%
Operating Margin: 48.72%
Caledonia Mining Corporation Plc (NYSEAMERICAN:CMCL) is one of the Most Profitable Stocks.
On May 11, Caledonia Mining Corporation Plc reported Q1 revenue of $66.43 million with a 18.3% growth YoY. EBITDA climbed by 50.2% to $33.87 million as higher gold prices offset lower production. The company said profit after tax rose 69.4% to $18.91 million, with gross profit increasing 19.2% to $32.10 million.
The corporation also reported consolidated gold sales of 13,784 ounces as compared to 19,388 ounces a year earlier. It noted constrained access to higher grade areas that reduced head grade to 2.5g/t from 3.1g/t and lowered recovery rates. Costs followed, with on-mine costs averaging $1,740 per ounce and AISC reaching $2,765 per ounce.
Caledonia Mining Corporation Plc had an operating cash flow of $18.87 million and a free cash flow of $12.28 million. It also declared a $0.14 dividend payable June 5, 2026. CEO Mark Learmonth said higher prices “offset the impact of lower production,” adding grade improvements continued into April.
Caledonia Mining Corporation Plc explores, develops, and produces gold and other precious metals from its mineral properties. Its projects include Blanket Gold Mine and Maligreen.
8. Pathward Financial, Inc. (NASDAQ:CASH)
Net Profit Margin: 24.32%
Operating Margin: 38.23%
On May 21, 2026, Pathward Financial, Inc. (NASDAQ:CASH) declared a $0.05 per-share cash dividend for the third fiscal quarter of 2026, payable July 1 to shareholders of record on June 11. The company said it held $7.11 billion in total assets and $850.7 million in shareholders’ equity as of March 31, 2026.
Earlier, on May 13, 2026, Keefe, Bruyette & Woods named Pathward Financial, Inc. to its 2026 Bank Honor Roll, making it one of 17 US banks. Only about 6% of eligible institutions made the list. KBW said Pathward was one of only two companies meeting both criteria of consistent 10-year earnings growth and top 5% EPS compound annual growth.
KBW noted that the recognition followed Pathward Financial, Inc.’s second-quarter update, reporting return on average assets of 2.75% and return on average tangible equity of 40.69%. CFO Greg Sigrist said the firm “continued to build” on prior performance while executing its long-term plan.
Pathward Financial, Inc. is a financial holding firm that provides savings and loan services. The company works through the Consumer, Commercial, and Corporate Services/Other segments.
7. Avino Silver & Gold Mines Ltd. (NYSE:ASM)
Net Profit Margin: 32.74%
Operating Margin: 49.46%
Avino Silver & Gold Mines Ltd. is among the Most Profitable Stocks.
On May 13, 2026, Avino Silver & Gold Mines Ltd. posted record Q1 results, reporting revenue of $39.4 million, up 109% year over year, and 60% tied to silver production at an average realized price of $86.42 per ounce. The firm said mine operating income reached $23.4 million, growing 122% from a year earlier.
The corporation also reported net income of $15.9 million, or $0.09 per diluted share, while EBITDA jumped to $25.5 million, soaring 163% year over year, and adjusted earnings reached $24.3 million, or $0.14 per share. Operating cash before working capital movements was $18.7 million, and mine operating cash flow before taxes hit $26.7 million.
CEO David Wolfin said the company “delivered record financial performance,” and it improved mill performance, strong metal prices, and disciplined capital management. Margins rose while the balance sheet remained in its “strongest financial position.”
Avino Silver & Gold Mines Ltd. works in mining and exploration activities. It focuses on silver reserves in the Durango region of North Central Mexico. It operates through the Silver, Gold, and Copper segments.
6. StealthGas Inc. (NASDAQ:GASS)
Net Profit Margin: 35.02%
Operating Margin: 25.82%
On June 5, 2026, StealthGas Inc. (NASDAQ:GASS) reported Q1 net income of $15.9 million and basic EPS of $0.43 from $14.1 million a year earlier and $12.8 million in the prior quarter. The company said revenue reached $42.8 million, growing 2% YoY with a $2.5 million gain from a vessel sale completed in March.
The firm said voyage expenses jumped to $6.1 million from $5.1 million with war risk insurance because of Middle East instability. Drydocking expenses soared to $2.5 million from $0.4 million as three vessels entered yards.
The corporation reported $131.2 million in cash as of March 31, 2026, and roughly $100 million in contracted revenues. Chairman Michael Jolliffe said geopolitical disruption drove rates to new all-time highs and that the company sold older vessels while “securing our financial flexibility.”
StealthGas Inc. is involved in the provision of international energy seaborne transportation services to liquefied petroleum gas markets.
5. Idaho Strategic Resources, Inc. (NYSE:IDR)
Net Profit Margin: 43.33%
Operating Margin: 52.35%
Idaho Strategic Resources, Inc. (NYSE:IDR) is among the Most Profitable Stocks.
On May 21, 2026, Idaho Strategic Resources, Inc. said a project proposal submitted to the US Department of Energy under Funding Opportunity 3105 was selected for funding. A May 19 DOE announcement was a “welcomed achievement” following its December 2023 submission, as per the firm. The company said the project brings together Idaho stakeholders to move forward with the exploration and extraction of rare earth elements for potential marketing.
On May 14, 2026, Idaho Strategic Resources, Inc. reported Q1 EPS of $0.40 as compared to $0.12 last year, while reporting revenue of $14.48 million compared with $7.28 million. The corporation said ounces produced rose 11.52% year over year to 3,234 from 2,900.
CEO John Swallow said “record first quarter results” showed execution with increased production and expanded drilling programs supported the plan. The CEO also noted new permits and acquisitions that add copper and silver exposure and long-term exploration targets.
Idaho Strategic Resources, Inc. is involved in the exploration and development of gold, silver, and base metal resources. It has mineral properties, including the Golden Chest Mine, Murray Gold Belt, Butte Highlands, and Central Idaho.
4. CorMedix Inc. (NASDAQ:CRMD)
Net Profit Margin: 45.25%
Operating Margin: 49.96%
On May 14, 2026, CorMedix Inc. (NASDAQ:CRMD) reported Q1 net revenue of $127.4 million and net income of $38.6 million with adjusted EBITDA of $70.0 million. The firm said DefenCath contributed $97.5 million in revenue with higher outpatient dialysis utilization and a $9.0 million favorable estimate change. The acquired Melinta portfolio added $29.9 million.
The company raised its 2026 guidance, projecting revenue between $325 million and $345 million and adjusted EBITDA to $115 million-$135 million. The corporation reported cash and short-term investments of $178.1 million as of March 31, 2026.
Chairman and CEO Joseph Todisco said CorMedix entered the year with “strong momentum” and that DefenCath “continues to exceed expectations” despite pending TDAPA expiration. He also noted progress in late-stage programs, including REZZAYO, with the company preparing an FDA submission in the second half of 2026. It targets a potential expanded launch in 2027.
CorMedix Inc. is a pharmaceutical and medical device firm that makes and markets therapeutic solutions for the prevention and treatment of diseases and conditions.
3. Global Ship Lease, Inc. (NYSE:GSL)
Net Profit Margin: 51.11%
Operating Margin: 50.78%
On June 5, 2026, Global Ship Lease, Inc. (NYSE:GSL) agreed to newbuilding contracts for 10 mid-size, ultra high reefer containerships. It is valued at about $917 million, with deliveries scheduled between Q4 2028 and Q1 2030. The company said the vessels carry multi-year charters averaging 6.7 years, expected to have around $665 million in aggregate adjusted EBITDA.
On May 22, 2026, Global Ship Lease, Inc. reported Q1 results with revenue of $198.1 million and net income of $91.4 million, or $2.54 per share. It also had an adjusted EBITDA of $133.2 million. The firm announced $86.1 million in contracted revenues, bringing total contracted revenue to $2.05 billion with a 2.6-year weighted duration.
Executive Chairman George Youroukos said the company achieved “100% coverage for 2026 and 86% for 2027,” with stronger demand and rising bunker costs, tightening vessel supply. CEO Thomas Lister added that the firm maintained a “fortress balance sheet.“
Global Ship Lease, Inc., along with its subsidiaries, owns and leases containerships under fixed-rate charters to container shipping companies globally.
2. Euroseas Ltd. (NASDAQ:ESEA)
Net Profit Margin: 58.31%
Operating Margin: 61.24%
On May 26, 2026, Euroseas Ltd. (NASDAQ:ESEA) announced charter extensions for its “2024-built 1,800 teu feeder containerships, M/V Stephania K and M/V Pepi Star.” It secured new contracts lasting 24 to 26 months at a gross daily rate of $25,500. The company said the charters will begin July 28 and August 19, 2026, continuing directly from the existing agreement.
Chairman and Chief Executive Officer Aristides Pittas said the extensions show “continued demand for tonnage and the underlying strength of the containership charter market.” It pointed out that the modern, fuel-efficient vessels command a premium as disruptions in oil flows through the Strait of Hormuz tighten fuel availability and push costs higher.
Euroseas Ltd. said the contracts are expected to make around $27 million in EBITDA over the minimum period. The corporation stated that the deals increase charter coverage to roughly 96% for 2026, 86% for 2027, and 48% for 2028.
Euroseas Ltd. is a holding company that provides ocean-going transportation services. It operates containerships that transport dry and refrigerated containerized cargoes, which primarily include manufactured goods and perishables.
1. Arbutus Biopharma Corporation (NASDAQ:ABUS)
Net Profit Margin: 83%
Operating Margin: 94.41%
On May 13, 2026, Arbutus Biopharma Corporation (NASDAQ:ABUS) reported Q1 2026 revenue of $179.1 million with estimated license revenue tied to its litigation settlement with Moderna. The company said revenue jumped from $1.8 million a year earlier because of the increase in its share of a noncontingent settlement payment through Genevant Sciences.
Arbutus Biopharma Corporation reported net income of $169.7 million from a $24.5 million loss. The research and development expenses dropped to $4.1 million from $9.0 million with cost reductions and lower trial activity. General and administrative expenses edged higher to $5.9 million due to legal costs, the company added.
Separately, the firm said the US Food and Drug Administration granted Fast Track designation to imdusiran. It noted that the program could speed up development and review timelines.
The corporation ended the quarter with $95.2 million in cash and investments, making its financial position solid, it said.
Arbutus Biopharma Corporation is a clinical-stage biopharmaceutical firm. It is involved in developing novel therapeutics that target specific viral diseases.
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