MGNI · Magnite, Inc.

$24.88 +1.99 (+8.69%) At close · Sep 2

Russell 2000 member Rebalance outlook locked

Market Cap

$3.28B

143.42M

Shares sold short and not yet covered, reported twice monthly. Days to cover is the reported short position divided by average daily volume.

MGNI Latest Reported Short Interest

FINRA reported 11,178,680 MGNI shares sold short as of the August 14, 2026 settlement date, a decrease of 460,099 shares. Days to cover was 3.08 based on FINRA's reported average daily volume.

Official FINRA short-interest data · share counts are restated for subsequent stock splits

MGNI Short Interest Forecast

Equibles' model estimates 10,807,996 shares sold short for the August 31, 2026 settlement, -3.3% versus the latest reported position, with a likely range of 9,540,804 to 12,027,823 shares. This model prediction uses FINRA data through August 31, 2026; FINRA's official release is expected September 10, 2026.

Model estimate

Expected Aug 31 short interest

as of Aug 31 High confidence 73% chance it falls

10,807,996 -3.3% vs reported

Likely range 9,540,804 to 12,027,823 The latest estimate appears in the chart below. Official release expected Sep 10. Methodology

Short Squeeze Score

63/100

Short interest 7.8% of shares — P85 Days to cover 3.1 — P50 Price vs VWAP +22.9% — P95 Short-volume trend -12.4% — P14 Short interest change -4.0% — P39 Worst FTD 0.05% of shares — P76

Peer-relative percentile rank across all stocks reporting short interest at the latest settlement date (2026-08-14). Weighted mean of the available factors (short interest 30%, days to cover 20%, price vs VWAP 15%, short-volume trend 15%, short-interest change 10%, fails-to-deliver 10%) plus catalyst boosts (price spike, volume surge, earnings within days), capped at +20 and clamped to 100.

1M 3M 6M 1Y 5Y All

Short Interest History

Settlement Date	Current Position	Previous Position	Change	Avg Daily Volume	Days to Cover
2026-09-15 Scheduled FINRA publishes Sep 24	—	—	—	—	—
2026-08-31 Scheduled FINRA publishes Sep 10	—	—	—	—	—
2026-08-14	11,178,680	11,638,779	-460,099	3,631,991	3.08
2026-07-31	11,638,779	13,606,133	-1,967,354	2,093,457	5.56
2026-07-15	13,606,133	14,712,876	-1,106,743	2,541,944	5.35
2026-06-30	14,712,876	13,419,271	+1,293,605	4,082,869	3.60
2026-06-15	13,419,271	12,137,723	+1,281,548	2,851,031	4.71
2026-05-29	12,137,723	12,220,217	-82,494	2,285,307	5.31
2026-05-15	12,220,217	12,144,807	+75,410	3,384,256	3.61
2026-04-30	12,144,807	11,336,377	+808,430	2,027,845	5.99
2026-04-15	11,336,377	10,847,278	+489,099	1,720,429	6.59
2026-03-31	10,847,278	10,961,808	-114,530	2,053,012	5.28
2026-03-13	10,961,808	11,500,688	-538,880	1,898,079	5.78
2026-02-27	11,500,688	12,911,016	-1,410,328	2,595,240	4.43
2026-02-13	12,911,016	14,077,922	-1,166,906	2,973,969	4.34
2026-01-30	14,077,922	15,271,939	-1,194,017	2,028,191	6.94
2026-01-15	15,271,939	13,885,617	+1,386,322	2,304,776	6.63
2025-12-31	13,885,617	13,377,375	+508,242	1,810,160	7.67
2025-12-15	13,377,375	12,654,687	+722,688	2,414,077	5.54
2025-11-28	12,654,687	15,629,600	-2,974,913	2,695,572	4.69
2025-11-14	15,629,600	15,385,183	+244,417	3,959,355	3.95
2025-10-31	15,385,183	13,915,655	+1,469,528	2,261,637	6.80
2025-10-15	13,915,655	14,629,003	-713,348	2,967,791	4.69
2025-09-30	14,629,003	14,453,264	+175,739	3,311,341	4.42
2025-09-15	14,453,264	14,531,502	-78,238	2,832,399	5.10

Full FINRA short interest reporting calendar

Showing 1–23 of 23 settlements

Key facts CIK 1595974 CUSIP 55955D100 13F (30d) 239 filings 237 filers Visit website Investor relations