IBKR

Interactive Brokers Group, Inc.

Company with tickers: IBKR

CIK

1381197

CUSIP

45841N107

Shares Outstanding

445,484,364

13F Activity (30d)

511 filings 494 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

36/100

Short interest 3.0% of shares — P59 Days to cover 2.1 — P41 Short-volume trend -19.4% — P6

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	13,334,420	11,457,034	+1,877,386	6,342,846	2.10
2026-05-15	11,457,034	10,841,436	+615,598	3,941,749	2.91
2026-04-30	10,841,436	10,375,245	+466,191	4,788,506	2.26
2026-04-15	10,375,245	10,231,595	+143,650	4,361,306	2.38
2026-03-31	10,231,595	12,075,322	-1,843,727	5,143,916	1.99
2026-03-13	12,075,322	13,380,906	-1,305,584	4,673,924	2.58
2026-02-27	13,380,906	11,390,874	+1,990,032	3,680,547	3.64
2026-02-13	11,390,874	10,159,672	+1,231,202	5,750,523	1.98
2026-01-30	10,159,672	11,270,557	-1,110,885	6,044,350	1.68
2026-01-15	11,270,557	12,787,443	-1,516,886	4,475,062	2.52
2025-12-31	12,787,443	12,309,986	+477,457	2,885,389	4.43
2025-12-15	12,309,986	10,965,805	+1,344,181	3,866,393	3.18
2025-11-28	10,965,805	9,704,283	+1,261,522	4,257,099	2.58
2025-11-14	9,704,283	9,873,122	-168,839	4,387,131	2.21
2025-10-31	9,873,122	10,030,080	-156,958	5,155,722	1.91
2025-10-15	10,030,080	11,808,810	-1,778,730	4,345,634	2.31
2025-09-30	11,808,810	11,742,089	+66,721	4,995,139	2.36
2025-09-15	11,742,089	17,058,765	-5,316,676	5,508,067	2.13
2025-08-29	17,058,765	9,972,914	+7,085,851	14,970,144	1.14
2025-08-15	9,972,914	9,609,625	+363,289	4,262,809	2.34
2025-07-31	9,609,625	9,578,896	+30,729	6,319,316	1.52
2025-07-15	9,578,896	9,569,605	+9,291	5,259,692	1.82
2025-06-30	9,569,605	3,178,742	+6,390,863	5,493,131	1.74
2025-06-13	3,178,742	2,816,162	+362,580	1,213,406	2.62

Showing 1–24 of 24 settlements