BNGO short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31

Short % of Float10.0%10,614,600 float shares

Days to Cover10.898,480 average daily volume

Open Short Position1,065,985Bionano Genomics, Inc. Common

Change vs Previous-20,340-1.9%

Short interest history

Twice-monthly snapshots of open short positions.

Settlement	Short Position	Change	Change %	Days to Cover	Short % Float
Jul 31, 2026	1,065,985	-20,340	-1.9%	10.8	10.0%
Jul 15, 2026	1,086,325	-70,969	-6.1%	8.6	10.2%
Jun 30, 2026	1,157,294	+29,354	+2.6%	8.2	10.9%

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	22,192	2,873	96,337	23.0%	2
Aug 20, 2026	14,111	241	67,754	20.8%	2
Aug 19, 2026	43,110	0	184,392	23.4%	2
Aug 18, 2026	51,862	0	128,406	40.4%	2
Aug 17, 2026	34,332	0	97,356	35.3%	3
Aug 14, 2026	15,445	0	48,724	31.7%	3
Aug 13, 2026	21,751	2,060	103,038	21.1%	3
Aug 12, 2026	20,554	0	45,955	44.7%	2
Aug 11, 2026	31,840	1,662	88,210	36.1%	2
Aug 10, 2026	48,010	0	159,979	30.0%	2
Aug 7, 2026	25,891	0	53,610	48.3%	3
Aug 6, 2026	19,889	0	37,863	52.5%	3
Aug 5, 2026	18,765	0	40,544	46.3%	2
Aug 4, 2026	28,180	0	77,269	36.5%	2
Aug 3, 2026	106,253	0	174,152	61.0%	1
Jul 31, 2026	53,552	0	157,329	34.0%	3
Jul 30, 2026	33,067	0	129,086	25.6%	2
Jul 29, 2026	10,819	0	38,191	28.3%	2
Jul 28, 2026	27,031	0	66,275	40.8%	3
Jul 27, 2026	24,382	0	84,056	29.0%	3
Jul 24, 2026	15,924	0	64,633	24.6%	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.