PRLB

Proto Labs Inc

$77.36 +0.20 (+0.26%) At close · Jul 16

Market Cap

$1.86B

23,794,045

Daily short-sale volume published by FINRA from its trade-reporting facilities. It measures how many shares were sold short each day as a share of total volume — a daily flow, not the total outstanding short position.

1M 3M 6M 1Y 5Y All

Short Volume

Date	Short Volume	Short Exempt	Total Volume	Short %
2026-07-17	39,235	1	59,509	65.9%
2026-07-16	23,780	0	47,542	50.0%
2026-07-15	32,123	0	56,830	56.5%
2026-07-14	43,651	0	65,292	66.9%
2026-07-13	31,148	35	47,821	65.1%
2026-07-10	20,269	8	57,559	35.2%
2026-07-09	36,580	60	186,602	19.6%
2026-07-08	46,523	7,231	140,317	33.2%
2026-07-07	27,535	0	134,035	20.5%
2026-07-06	24,431	5	110,227	22.2%
2026-07-02	29,504	195	70,200	42.0%
2026-07-01	23,244	96	71,153	32.7%
2026-06-30	20,186	0	61,415	32.9%
2026-06-29	26,057	1,324	62,253	41.9%
2026-06-26	26,731	0	65,010	41.1%
2026-06-25	21,207	54	53,152	39.9%
2026-06-24	24,563	0	75,451	32.6%
2026-06-23	30,141	0	70,505	42.8%
2026-06-22	27,672	214	76,000	36.4%
2026-06-18	33,896	13	85,226	39.8%
2026-06-17	31,192	15	115,098	27.1%
2026-06-16	34,604	54	88,535	39.1%
2026-06-15	24,092	307	75,079	32.1%
2026-06-12	20,376	0	71,560	28.5%
2026-06-11	27,746	200	76,089	36.5%
2026-06-10	32,608	1	82,458	39.5%
2026-06-09	33,684	14	95,355	35.3%
2026-06-08	33,210	165	112,821	29.4%
2026-06-05	23,226	199	72,872	31.9%
2026-06-04	26,944	387	71,414	37.7%
2026-06-03	42,498	0	91,629	46.4%
2026-06-02	32,778	967	78,191	41.9%
2026-06-01	26,753	0	58,525	45.7%
2026-05-29	38,451	0	61,019	63.0%
2026-05-28	34,430	0	68,831	50.0%
2026-05-27	24,791	0	44,629	55.5%
2026-05-26	37,303	277	74,594	50.0%
2026-05-22	42,653	14,889	71,466	59.7%
2026-05-21	45,753	0	68,983	66.3%
2026-05-20	43,162	0	62,519	69.0%
2026-05-19	47,582	0	73,110	65.1%
2026-05-18	30,094	0	59,197	50.8%
2026-05-15	61,800	0	111,067	55.6%
2026-05-14	30,014	0	53,492	56.1%
2026-05-13	51,611	0	92,818	55.6%
2026-05-12	34,903	35	76,793	45.5%
2026-05-11	51,304	833	75,274	68.2%
2026-05-08	22,808	757	40,809	55.9%
2026-05-07	29,437	0	48,449	60.8%
2026-05-06	41,432	0	64,435	64.3%

Showing 1–50 of 62 days

Key facts CIK 1443669 CUSIP 743713109 13F (30d) 25 filings 19 filers Visit website Investor relations