CTKB short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31

Short % of Float5.1%95,958,000 float shares

Days to Cover7.5656,422 average daily volume

Open Short Position4,895,239Cytek Biosciences, Inc. Common

Change vs Previous-134,339-2.7%

Short interest history

Twice-monthly snapshots of open short positions.

Settlement	Short Position	Change	Change %	Days to Cover	Short % Float
Jul 31, 2026	4,895,239	-134,339	-2.7%	7.5	5.1%
Jul 15, 2026	5,029,578	+1,522,388	+43.4%	5.5	5.2%
Jun 30, 2026	3,507,190	-3,535,676	-50.2%	1.0	3.7%

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	118,198	26,607	245,777	48.1%	2
Aug 20, 2026	117,521	315	192,257	61.1%	3
Aug 19, 2026	77,133	3,026	209,158	36.9%	2
Aug 18, 2026	90,223	0	206,218	43.8%	3
Aug 17, 2026	44,286	0	98,624	44.9%	2
Aug 14, 2026	118,670	3,369	255,471	46.5%	2
Aug 13, 2026	228,014	80,358	329,860	69.1%	2
Aug 12, 2026	111,884	0	214,306	52.2%	2
Aug 11, 2026	131,331	0	374,506	35.1%	2
Aug 10, 2026	139,715	0	398,041	35.1%	3
Aug 7, 2026	51,188	0	159,293	32.1%	3
Aug 6, 2026	92,313	0	290,056	31.8%	3
Aug 5, 2026	51,019	0	186,250	27.4%	2
Aug 4, 2026	74,902	0	256,646	29.2%	2
Aug 3, 2026	71,438	1,116	245,066	29.2%	3
Jul 31, 2026	73,370	0	139,786	52.5%	3
Jul 30, 2026	52,002	0	125,827	41.3%	2
Jul 29, 2026	38,578	11	93,459	41.3%	2
Jul 28, 2026	64,181	29	156,224	41.1%	2
Jul 27, 2026	60,233	0	133,315	45.2%	3
Jul 24, 2026	61,341	11	131,957	46.5%	3

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