S&P/ASX 300 Index (ASX: XKO) shares rose by 9.94% and delivered total returns, including dividends, of 13.74% in FY25.

The ASX 300 slightly underperformed the benchmark S&P/ASX 200 Index (ASX: XJO) last financial year.

The ASX 200 increased by 9.97% and provided total returns of 13.81%, according to S&P Global data.

Seventeen ASX 300 shares delivered double-or-more share price growth last financial year.

Did you own any of these winners?

Here are the ASX 300 double-baggers of FY25

1. Catalyst Metals Ltd (ASX: CYL)

ASX 300 gold share Catalyst Metals rose by an astounding 362% to close at $5.22 apiece on 30 June.

Catalyst is one of many gold miners and explorers featured in this list of 17 double-bagger ASX 300 shares.

Strong growth in the gold price was a tailwind for gold stocks last year, with the S&P/ASX All Ords Gold Index (ASX: XGD) soaring 57%.

2. Catapult Group International Ltd (ASX: CAT)

This ASX 300 tech stock leapt 210% higher to close at $5.86 per share on 30 June.

Catapult is a global sports data and analytics company that provides real-time data to optimise athletes' performance. 

3. Austal Ltd (ASX: ASB)

ASX defence share Austal roared 152% higher to close at $6.28 on 30 June.

The navy shipbuilder is benefiting from the global defence investment theme.

4. Regis Resources Ltd (ASX: RRL)

ASX 300 gold mining stock, Regis Resources, rose 150% to close at $4.39 on 30 June.

5. Genesis Minerals Ltd (ASX: GMD)

Another ASX 300 gold mining share, Genesis Minerals, ascended 145% to close the financial year at $4.30.

6. Sigma Healthcare Ltd (ASX: SIG)

ASX 300 healthcare share Sigma ripped 135% amid exuberance over its merger with Chemist Warehouse to close FY25 at $2.99.

7. Iperionx Ltd (ASX: IPX)

Stock in this titanium metal and critical materials company closed at $4.75 apiece on 30 June, up 133% for the year.

8. Ora Banda Mining Ltd (ASX: OBM)

ASX gold mining stock Ora Banda surged 128% to close at 76.5 cents on 30 June.

9. Temple & Webster Group Ltd (ASX: TPW)

The share price of online furniture retailer Temple & Webster rose by 127% to close at $21.32 on 30 June.

10. Develop Global Ltd (ASX: DVP)

Stock in this critical minerals miner leapt 126% to close the year at $4.90.

11. Evolution Mining Ltd (ASX: EVN)

ASX 300 large-cap gold share Evolution leapt 123% to $7.79 on 30 June.

12. Technology One Ltd (ASX: TNE)

Stock in enterprise software company TechnologyOne rose 121% to $41.01 in FY25.

13. Predictive Discovery Ltd (ASX: PDI)

ASX 300 gold explorer Predictive Discovery rose by 120% to finish the year at 38.5 cents per share.

14. Generation Development Group Ltd (ASX: GDG)

Small-cap financial share, Generation Development Group, rose by 114% to close out FY25 at $5.50.

15. Zip Co Ltd (ASX: ZIP)

Global buy now, pay later payments business Zip enjoyed a 110% rise in its share price to $3.07.

16. SRG Global Ltd (ASX: SRG)

ASX 300 industrials share SRG Global increased by 106.6% in FY25.

The engineering services group finished the year at $1.725 per share.

17. Spartan Resources Ltd (ASX: SPR)

Another ASX 300 gold mining share, Spartan Resources, lifted 101.5% to $1.985 on 30 June.