Prothena Corporation Balance Sheet

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

Millions USD. Fiscal year is Jan - Dec.

Fiscal Year	TTM	FY 2024	FY 2023	FY 2022	FY 2021	FY 2020
Period Ending	Sep '25 Sep 30, 2025	Dec '24 Dec 31, 2024	Dec '23 Dec 31, 2023	Dec '22 Dec 31, 2022	Dec '21 Dec 31, 2021	Dec '20 Dec 31, 2020
Cash & Equivalents	330.84	471.39	618.83	710.41	579.09	295.38
Cash & Short-Term Investments	330.84	471.39	618.83	710.41	579.09	295.38
Cash Growth	-36.29%	-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	7.3	12.86	11.8	6.92	4.94	2.54
Restricted Cash	-	-	1.35	-	-	1.35
Other Current Assets	1.83	1.17	2.14	1.71	0.77	-
Total Current Assets	339.97	485.41	639.28	719.1	584.81	299.28
Property, Plant & Equipment	11.31	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	352.63	547.11	696.38	758.04	609.37	332.98
Accounts Payable	10.5	7.77	25.39	9.27	3.69	4.12
Accrued Expenses	17.57	28.34	28.26	22.46	15.76	15.67
Current Portion of Leases	2.88	2.61	1.11	6.47	5.94	5.51
Current Income Taxes Payable	-	-	-	-	-	0.04
Current Unearned Revenue	2.69	8.85	-	11.44	7.66	-
Other Current Liabilities	17.8	0.93	2.13	0.5	0.41	0.52
Total Current Liabilities	51.44	48.5	56.89	50.15	33.45	25.85
Long-Term Leases	6.2	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	57.64	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	1,619	1,589	1,541	1,455	1,182	966.64
Retained Earnings	-1,325	-1,102	-980.03	-833	-716.05	-783.03
Shareholders' Equity	294.99	486.93	561.37	622.04	466.04	184.01
Total Liabilities & Equity	352.63	547.11	696.38	758.04	609.37	332.98
Total Debt	9.08	10.84	11.84	6.47	12.33	17.84
Net Cash (Debt)	321.76	460.55	607	703.93	566.77	277.54
Net Cash Growth	-36.63%	-24.13%	-13.77%	24.20%	104.21%	-21.33%
Net Cash Per Share	5.98	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	288.54	436.91	582.39	668.95	551.36	273.44
Book Value Per Share	5.48	9.05	10.46	11.94	9.99	4.61
Tangible Book Value	294.99	486.93	561.37	622.04	466.04	184.01
Tangible Book Value Per Share	5.48	9.05	10.46	11.94	9.99	4.61
Machinery	7.07	9.14	9.02	9.9	9.76	9.34
Leasehold Improvements	-	-	-	1.5	1.39	1.28

Source: S&P Global Market Intelligence. Standard template. Financial Sources.