SPOK

Spok Holdings, Inc

Company with tickers: SPOK

CIK

1289945

CUSIP

84863T106

Shares Outstanding

20,887,010

13F Activity (30d)

99 filings 95 filers

Total shares sold short and not yet covered, reported to FINRA by broker-dealers and published twice a month (bi-monthly). Days to cover divides the short position by average daily volume; a high value (above 5) can signal short-squeeze potential.

Short Squeeze Score

53/100

Short interest 2.6% of shares — P55 Days to cover 3.1 — P54 Short-volume trend -0.5% — P50

Peer-relative percentile rank across all stocks reporting short interest at the latest settlement date (2026-05-29). Equal-weight mean of the available factors.

1M 3M 6M 1Y 5Y All

Short Interest History

Settlement Date	Current Position	Previous Position	Change	Avg Daily Volume	Days to Cover
2026-05-29	534,481	552,947	-18,466	172,688	3.10
2026-05-15	552,947	487,949	+64,998	197,818	2.80
2026-04-30	487,949	455,214	+32,735	150,307	3.25
2026-04-15	455,214	520,296	-65,082	155,096	2.94
2026-03-31	520,296	532,995	-12,699	175,666	2.96
2026-03-13	532,995	577,687	-44,692	184,374	2.89
2026-02-27	577,687	457,339	+120,348	266,382	2.17
2026-02-13	457,339	428,096	+29,243	149,365	3.06
2026-01-30	428,096	328,368	+99,728	166,939	2.56
2026-01-15	328,368	267,833	+60,535	159,449	2.06
2025-12-31	267,833	316,567	-48,734	167,184	1.60
2025-12-15	316,567	345,238	-28,671	161,305	1.96
2025-11-28	345,238	251,484	+93,754	189,022	1.83
2025-11-14	251,484	294,487	-43,003	166,862	1.51
2025-10-31	294,487	313,346	-18,859	166,366	1.77
2025-10-15	313,346	315,728	-2,382	122,332	2.56
2025-09-30	315,728	322,802	-7,074	83,630	3.78
2025-09-15	322,802	326,572	-3,770	112,006	2.88
2025-08-29	326,572	266,369	+60,203	141,618	2.31
2025-08-15	266,369	159,761	+106,608	193,998	1.37
2025-07-31	159,761	165,768	-6,007	98,331	1.62
2025-07-15	165,768	162,126	+3,642	112,393	1.47
2025-06-30	162,126	131,206	+30,920	132,239	1.23
2025-06-13	131,206	135,078	-3,872	80,931	1.62

Showing 1–24 of 24 settlements