Portman Ridge Finance Corporation (PTMN) NASDAQ

Currency In USD

PTMN Historical Return

If you invested $1000 in Portman Ridge Finance Corporation (PTMN) 10 years ago, it would be worth $1,320.78 as of June 23, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $900.22, while $1000 invested 1 year ago would be worth $1,010.71. This corresponds to total returns of 32.08%, -9.98%, 1.07%, respectively, with annualized returns of 2.82%, -2.08%, 1.07%.

Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.

PTMN Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
September 19, 2025	12.24	12.14	12.14	12.41	12.12	143,621
September 18, 2025	12.17	12.3	12.3	12.35	12.03	53,225
September 17, 2025	11.95	12.06	12.06	12.16	11.93	63,501
September 16, 2025	12.02	11.96	11.96	12.11	11.91	57,098
September 15, 2025	12.14	12.09	12.09	12.15	12.01	93,358
September 12, 2025	12.27	12.27	12.27	12.27	12.27	0
September 11, 2025	12.27	12.27	12.27	12.27	12.27	0
September 10, 2025	12.27	12.27	12.27	12.27	12.27	0
September 09, 2025	12.27	12.27	12.27	12.27	12.27	0
September 08, 2025	12.27	12.27	12.27	12.27	12.27	0
September 05, 2025	12.27	12.27	12.27	12.27	12.27	0
September 04, 2025	12.27	12.27	12.27	12.27	12.27	0
September 03, 2025	12.27	12.27	12.27	12.27	12.27	0
September 02, 2025	12.27	12.27	12.27	12.27	12.27	0
August 29, 2025	12.27	12.27	12.27	12.27	12.27	0
August 28, 2025	12.27	12.27	12.27	12.27	12.27	0
August 27, 2025	12.27	12.27	12.27	12.27	12.27	0
August 26, 2025	12.27	12.27	12.27	12.27	12.27	0
August 25, 2025	12.27	12.27	12.27	12.27	12.27	0
August 22, 2025	12.2	12.27	12.27	12.47	12.2	53,281
August 21, 2025	12.22	12.1	12.1	12.25	12.09	39,314
August 20, 2025	12.22	12.2	12.2	12.45	12.15	74,948
August 19, 2025	12.12	12.17	12.17	12.31	12.12	90,345
August 18, 2025	12.28	12.2	12.2	12.54	12.11	85,586
August 15, 2025	12.59	12.7	12.21	12.75	12.5	142,884
August 14, 2025	12.47	12.5	12.02	12.6	12.42	48,029
August 13, 2025	12.51	12.43	11.95	12.59	12.4	33,227
August 12, 2025	12.33	12.45	11.97	12.59	12.33	43,700
August 11, 2025	12.4	12.35	11.87	12.57	12.31	43,371
August 08, 2025	12.4	12.34	11.86	12.45	12.29	63,626
August 07, 2025	12.31	12.25	11.78	12.36	12.16	43,733
August 06, 2025	12.15	12.41	11.93	12.45	12.15	47,600
August 05, 2025	12.31	12.14	11.67	12.31	12.14	55,244
August 04, 2025	12.22	12.28	11.8	12.32	12.18	17,900
August 01, 2025	12.24	12.24	11.77	12.24	12.15	28,700
July 31, 2025	12.26	12.2	11.73	12.45	12.19	43,900
July 30, 2025	12.43	12.3	11.83	12.58	12.3	39,000
July 29, 2025	12.5	12.43	11.95	12.61	12.42	21,579
July 28, 2025	12.61	12.48	12	12.62	12.45	40,750
July 25, 2025	12.5	12.6	12.11	12.64	12.45	23,600
July 24, 2025	12.57	12.48	12	12.67	12.48	125,100
July 23, 2025	12.6	12.53	12.05	12.73	12.51	40,800
July 22, 2025	12.62	12.58	12.09	12.7	12.55	50,200
July 21, 2025	12.76	12.68	12.19	12.9	12.65	38,949
July 18, 2025	12.85	12.79	12.3	12.86	12.65	47,700
July 17, 2025	12.82	12.78	12.28	12.91	12.71	38,109
July 16, 2025	12.85	12.8	12.31	12.85	12.71	32,575
July 15, 2025	12.62	12.85	12.35	12.94	12.5	48,303
July 14, 2025	12.63	12.55	12.07	12.65	12.46	52,451
July 11, 2025	12.65	12.75	12.26	12.75	12.46	64,402
July 10, 2025	12.55	12.6	12.11	12.77	12.5	58,357
July 09, 2025	12.53	12.53	12.05	12.61	12.49	21,100
July 08, 2025	12.45	12.55	12.07	12.69	12.45	24,519
July 07, 2025	12.57	12.46	11.98	12.63	12.45	38,336
July 03, 2025	12.55	12.54	12.06	12.59	12.48	8,105
July 02, 2025	12.6	12.55	12.07	12.6	12.5	16,400
July 01, 2025	12.52	12.51	12.03	12.74	12.45	24,336
June 30, 2025	12.59	12.52	12.04	12.72	12.5	36,600
June 27, 2025	12.61	12.47	11.99	12.69	12.45	15,147
June 26, 2025	12.7	12.61	12.12	12.7	12.5	19,225