Proto Labs, Inc. (PRLB) NYSE

Currency In USD

PRLB Historical Return

If you invested $1000 in Proto Labs, Inc. (PRLB) 10 years ago, it would be worth $1,524.36 as of September 11, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $1,145.77, while $1000 invested 1 year ago would be worth $1,630.15. This corresponds to total returns of 52.44%, 14.58%, 63.01%, respectively, with annualized returns of 4.3%, 2.76%, 63.01%.

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

PRLB Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
September 11, 2026	81.38	81.98	81.98	82	80.92	102,568
September 10, 2026	80	79.75	79.75	80.66	78.67	180,286
September 09, 2026	80.38	80.89	80.89	81.52	80.33	106,527
September 08, 2026	81.86	81.03	81.03	82.55	80.73	141,371
September 04, 2026	79.91	81.44	81.44	81.91	79.84	144,957
September 03, 2026	79.08	79.53	79.53	79.69	77.05	136,813
September 02, 2026	78.5	78.59	78.59	80.31	78.42	180,444
September 01, 2026	78.59	78.49	78.49	79.6	77.92	140,163
August 31, 2026	79.76	80.06	80.06	80.27	78.83	171,057
August 28, 2026	80.3	79.74	79.74	81.29	78.61	174,451
August 27, 2026	78.04	80.1	80.1	80.66	78.04	172,471
August 26, 2026	77.35	78.85	78.85	78.85	77.19	144,371
August 25, 2026	78.46	77.6	77.6	78.62	76.55	139,706
August 24, 2026	79.72	76.78	76.78	80.19	76.4	182,794
August 21, 2026	79.68	79.61	79.61	79.68	77.78	168,218
August 20, 2026	81.15	78.79	78.79	81.15	78.05	177,757
August 19, 2026	85.68	82.08	82.08	85.83	81.3	238,604
August 18, 2026	89.55	84.88	84.88	89.55	84.7	196,209
August 17, 2026	92.09	90.86	90.86	92.29	89.73	157,415
August 14, 2026	92.01	91.87	91.87	93	90.55	140,477
August 13, 2026	91.23	92.32	92.32	92.78	89.63	184,543
August 12, 2026	92	90.8	90.8	92.17	90.22	186,784
August 11, 2026	90	90.45	90.45	91.54	90	154,160
August 10, 2026	88.94	89.66	89.66	89.92	88.66	175,206
August 07, 2026	87.94	88.91	88.91	89.37	87.94	153,723
August 06, 2026	90.02	87.91	87.91	91.98	87.37	179,954
August 05, 2026	87.46	90.31	90.31	90.56	86.25	285,540
August 04, 2026	82.2	88.4	88.4	89.17	81.83	420,395
August 03, 2026	77.3	80.25	80.25	81.22	75.79	291,815
July 31, 2026	80	75.05	75.05	83	73.47	286,605
July 30, 2026	72.77	75.14	75.14	75.72	72.77	134,429
July 29, 2026	74.4	71.35	71.35	74.83	71.29	223,244
July 28, 2026	76.87	74.88	74.88	77.75	74.79	166,676
July 27, 2026	78.75	77.64	77.64	79.45	76.8	140,542
July 23, 2026	78.47	78.62	78.62	80.36	77.96	134,608
July 22, 2026	79.74	79.73	79.73	81.7	79	129,529
July 21, 2026	78.57	80.85	80.85	80.93	78	125,882
July 20, 2026	78.52	77.11	77.11	79.15	77.08	124,013
July 17, 2026	75.03	77.62	77.62	78.56	74.28	192,795
July 16, 2026	76.18	77.36	77.36	78.81	75.98	179,495
July 15, 2026	77.21	77.16	77.16	77.88	75.5	210,232
July 14, 2026	75.9	76.98	76.98	77.09	74.8	200,261
July 13, 2026	73.65	74.72	74.72	75.02	73.45	186,181
July 10, 2026	75.12	74.4	74.4	76.19	73.88	164,961
July 09, 2026	74.32	75.18	75.18	76.06	73	384,970
July 08, 2026	73.34	72.96	72.96	74.29	71.01	325,502
July 07, 2026	77.04	74.36	74.36	77.04	73.47	295,270
July 06, 2026	76.74	77.14	77.14	77.16	75.92	293,656
July 02, 2026	78.95	76.4	76.4	79.17	75.38	181,151
July 01, 2026	80.62	78.74	78.74	81.26	78.39	172,522
June 30, 2026	79.95	81.51	81.51	82.19	79.95	214,057
June 29, 2026	79.88	79.79	79.79	81.3	79.43	193,972
June 26, 2026	80.56	80.69	80.69	80.79	78.63	809,669
June 25, 2026	80.86	81.22	81.22	82.37	80.42	190,132
June 24, 2026	79.84	79.83	79.83	81.44	78.31	220,575
June 23, 2026	79.87	79.81	79.81	81	79.23	197,393
June 22, 2026	81.5	81.68	81.68	82.15	80.53	214,173
June 18, 2026	81.29	81.06	81.06	82.09	79.6	455,900
June 17, 2026	79.18	79.57	79.57	80.49	77.58	354,400
June 16, 2026	79.32	78.74	78.74	83.15	78.66	212,258