S&P/ASX 300 Index (ASX: XKO) shares rose by 2.84% and generated a total return, including dividends, of 6.16% in FY26.
The ASX 300 slightly underperformed the benchmark S&P/ASX 200 Index (ASX: XJO) last financial year.
The ASX 200 increased by 2.77% and provided a total return of 7%, according to S&P Global data.
Nine ASX 300 shares delivered triple-or-more share price growth last financial year.
That means they went up by 200% or more.
Let's check them out.
Image source: Getty Images
Nine triple treats of FY26
1. Sunrise Energy Metals Ltd (ASX: SRL)
This ASX 300 mining share stunned investors with a 2,040% gain in FY26 to finish the year at $17.23.
Sunrise Energy Metals is developing scandium and nickel-cobalt projects in central-west NSW.
2. 4DMedical Ltd (ASX: 4DX)
This ASX 300 healthcare share skyrocketed 1,786% to close out the year at $4.53.
The respiratory imaging technology company received US Food and Drug Administration (FDA) approval for CT:VQ in FY26.
CT:VQ is a post‑processing technology that transforms routine chest CTs into far more detailed images and graphics.
3. Minerals 260 Ltd (ASX: MI6)
This ASX 300 gold share soared 508% to end FY26 at 73 cents per share.
This mineral explorer is building the Bullabulling Gold Project in Western Australia.
4. Weebit Nano Ltd (ASX: WBT)
The Weebit Nano share price catapulted 414% higher over the year to $8.35 by 30 June.
Weebit develops advanced semiconductor memory technology.
5. Elevra Lithium Ltd (ASX: ELV)
This ASX 300 lithium share rocketed 327% higher to finish at $9.60 on 30 June.
Elevra was formed through the merger of Piedmont Lithium and Sayona Mining companies.
6. Elsight Ltd (ASX: ELS)
The Elsight share price soared 300% to finish FY26 at $7.10.
Elsight's Halo product provides Beyond the Visual Line of Sight (BVLOS) connectivity for drones, UAVs, and other defence systems.
7. PLS Group Ltd (ASX: PLS)
Formerly known as Pilbara Minerals, this ASX 300 lithium share soared 275% to $5.02 apiece.
The company's flagship is the Pilgangoora Operation, the world's largest independent hard-rock lithium mine.
8. Electro Optic Systems Holdings Ltd (ASX: EOS)
The Electro Optic Systems share price increased 261% to close FY26 at $10.30.
Electro Optic designs defence technology, advanced weapon systems, and counter-drone solutions.
9. Macmahon Holdings Ltd (ASX: MAH)
This ASX 300 materials share ripped 213% to finish the year at 96 cents apiece.
Macmahon is a contract mining and civil infrastructure company that provides services in Australia and Southeast Asia.
