Prothena Corporation plc (PRTA)

Prothena Corporation Balance Sheet

Financials in millions USD. Fiscal year is January - December.

Fiscal Year	TTM	FY 2024	FY 2023	FY 2022	FY 2021	FY 2020
Period Ending	Jun 30, 2025	Dec 31, 2024	Dec 31, 2023	Dec 31, 2022	Dec 31, 2021	Dec 31, 2020
Cash & Equivalents	371.44	471.39	618.83	710.41	579.09	295.38
Cash & Short-Term Investments	371.44	471.39	618.83	710.41	579.09	295.38
Cash Growth	-34.16%	-23.83%	-12.89%	22.68%	96.05%	-21.38%
Accounts Receivable	-	-	5.16	-	-	0.02
Other Receivables	-	-	-	0.06	0.01	-
Receivables	-	-	5.16	0.06	0.01	0.02
Prepaid Expenses	2.09	12.86	11.8	6.92	4.94	2.54
Restricted Cash	-	-	1.35	-	-	1.35
Other Current Assets	11.95	1.17	2.14	1.71	0.77	-
Total Current Assets	385.48	485.41	639.28	719.1	584.81	299.28
Property, Plant & Equipment	12.25	13.79	16	8.01	14.14	20.36
Long-Term Deferred Tax Assets	-	43.24	33.89	18.2	7.07	11.64
Other Long-Term Assets	1.34	4.67	7.21	12.73	3.35	1.69
Total Assets	399.07	547.11	696.38	758.04	609.37	332.98
Accounts Payable	12.2	7.77	25.39	9.27	3.69	4.12
Accrued Expenses	16.75	28.34	28.26	22.46	15.76	15.67
Current Portion of Leases	2.85	2.61	1.11	6.47	5.94	5.51
Current Income Taxes Payable	-	-	-	-	-	0.04
Current Unearned Revenue	5.1	8.85	-	11.44	7.66	-
Other Current Liabilities	30.91	0.93	2.13	0.5	0.41	0.52
Total Current Liabilities	67.81	48.5	56.89	50.15	33.45	25.85
Long-Term Leases	6.93	8.23	10.72	-	6.39	12.33
Long-Term Unearned Revenue	-	3.45	67.41	85.29	102.93	110.24
Other Long-Term Liabilities	-	-	-	0.55	0.55	0.55
Total Liabilities	74.74	60.18	135.02	135.99	143.32	148.97
Common Stock	0.54	0.54	0.54	0.52	0.47	0.4
Additional Paid-In Capital	1,612	1,589	1,541	1,455	1,182	966.64
Retained Earnings	-1,288	-1,102	-980.03	-833	-716.05	-783.03
Shareholders' Equity	324.33	486.93	561.37	622.04	466.04	184.01
Total Liabilities & Equity	399.07	547.11	696.38	758.04	609.37	332.98
Total Debt	9.78	10.84	11.84	6.47	12.33	17.84
Net Cash (Debt)	361.65	460.55	607	703.93	566.77	277.54
Net Cash Growth	-34.48%	-24.13%	-13.77%	24.20%	104.21%	-21.33%
Net Cash Per Share	6.72	8.56	11.41	14.86	11.69	6.95
Filing Date Shares Outstanding	53.83	53.83	53.72	52.56	46.69	39.99
Total Common Shares Outstanding	53.83	53.83	53.68	52.1	46.66	39.92
Working Capital	317.67	436.91	582.39	668.95	551.36	273.44
Book Value Per Share	6.03	9.05	10.46	11.94	9.99	4.61
Tangible Book Value	324.33	486.93	561.37	622.04	466.04	184.01
Tangible Book Value Per Share	6.03	9.05	10.46	11.94	9.99	4.61
Machinery	7.79	9.14	9.02	9.9	9.76	9.34
Leasehold Improvements	-	-	-	1.5	1.39	1.28

Updated Aug 4, 2025. Source: S&P Global Market Intelligence. Standard template. Financial Sources.

SEC Filings: 10-K · 10-Q