ZNTL short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31

Short % of Float11.4%49,042,200 float shares

Days to Cover4.21,340,964 average daily volume

Open Short Position5,578,646Zentalis Pharmaceuticals, Inc.

Change vs Previous-568,136-9.2%

Short interest history

Twice-monthly snapshots of open short positions.

Settlement	Short Position	Change	Change %	Days to Cover	Short % Float
Jul 31, 2026	5,578,646	-568,136	-9.2%	4.2	11.4%
Jul 15, 2026	6,146,782	+278,137	+4.7%	6.3	12.5%
Jun 30, 2026	5,868,645	+888,394	+17.8%	3.2	12.0%

Short interest is an open-position snapshot published twice monthly. It is not daily short-sale volume.

Daily off-exchange short volume

FINRA-reported short-sale transaction flow for the last 30 calendar days.

Trade Date	Short Volume	Short Exempt	FINRA Total	Short Volume %	Facilities
Aug 21, 2026	139,746	0	271,221	51.5%	3
Aug 20, 2026	505,632	3,500	755,900	66.9%	3
Aug 19, 2026	304,056	800	670,179	45.4%	3
Aug 18, 2026	288,819	0	444,757	64.9%	3
Aug 17, 2026	288,336	59,985	879,024	32.8%	3
Aug 14, 2026	1,111,371	80,050	1,882,210	59.0%	3
Aug 13, 2026	109,387	0	227,272	48.1%	2
Aug 12, 2026	122,733	10	159,217	77.1%	3
Aug 11, 2026	91,608	0	134,263	68.2%	3
Aug 10, 2026	265,314	32,341	393,567	67.4%	3
Aug 7, 2026	467,221	36,618	652,771	71.6%	2
Aug 6, 2026	155,836	300	332,849	46.8%	2
Aug 5, 2026	139,821	0	182,556	76.6%	2
Aug 4, 2026	156,785	597	232,242	67.5%	3
Aug 3, 2026	111,869	0	251,748	44.4%	3
Jul 31, 2026	161,792	9	326,034	49.6%	2
Jul 30, 2026	200,482	16	299,787	66.9%	3
Jul 29, 2026	114,060	0	189,649	60.1%	2
Jul 28, 2026	181,640	0	285,448	63.6%	2
Jul 27, 2026	247,886	0	313,384	79.1%	2
Jul 24, 2026	252,713	7,836	469,337	53.8%	2

Daily short volume is transaction flow reported through FINRA facilities. It does not measure open short positions and is not consolidated exchange-wide volume.