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HowShorted

STX short interest Nasdaq Global Market

Seagate Technology Holdings PL. FINRA's reported shares short for this symbol, twice a month by settlement date, shown as the regulator publishes them. No percentage is shown: an SEC filer exists but no defensible share count is available yet.

Shares short
9,129,029
vs previous settlement
+646,232 (+7.6%)
days to cover
2.67
Settlement date
15 Sep 2026

Shares short over time

Aggregate net short position time series for STX shares short

Days to cover

FINRA's own figure: reported shares short divided by the security's average daily trading volume, published alongside each settlement.

Aggregate net short position time series for STX days to cover

Fails to deliver

The SEC's fails-to-deliver figure for STX: the aggregate net balance of shares that failed to be delivered at each settlement date, published by the SEC twice a month and shown here verbatim for the trailing window. A balance is not a daily flow, and a fail has many ordinary causes; the SEC says it cannot guarantee the accuracy of the data. See what fails to deliver are and the largest balances today.

Last balance on file
188
9 Sep 2026
Highest in window
63,587
7 Oct 2025
Days with a balance
92
Window
16 Sep 2025 to 14 Sep 2026
Aggregate net short position time series for Seagate Technology Holdings PL fails to deliver

Source: U.S. Securities and Exchange Commission, fails-to-deliver data (public domain). Only settlement days with a positive balance appear; the largest balance in the window was 64K shares.

History

Every FINRA settlement we hold for STX, newest first. สณ marks a figure FINRA itself flagged as revised.

Full reported short interest history
Settlement dateShares shortChangeDays to cover
15 Sep 20269,129,029+646,2322.67
31 Aug 20268,482,797+320,9732.36
14 Aug 20268,161,824+114,7181.72
31 Jul 20268,047,106+705,0061.30
15 Jul 20267,342,100+757,5311.70
30 Jun 20266,584,569โˆ’1,862,2111.12
15 Jun 20268,446,780โˆ’603,2732.64
29 May 20269,050,053โˆ’253,7642.61
15 May 20269,303,817+685,4741.96
30 Apr 20268,618,343+176,3851.98
15 Apr 20268,441,958โˆ’702,0902.28
31 Mar 20269,144,048โˆ’734,4042.30
13 Mar 20269,878,452+31,4813.05
27 Feb 20269,846,971โˆ’2,363,9733.52
13 Feb 202612,210,944+1,153,7922.64
30 Jan 202611,057,152โˆ’1,432,0331.78
15 Jan 202612,489,185โˆ’634,3243.48
31 Dec 202513,123,509โˆ’451,1312.92
15 Dec 202513,574,640+900,1734.30
28 Nov 202512,674,467โˆ’592,3544.22
14 Nov 202513,266,821โˆ’1,436,6522.80
31 Oct 202514,703,473โˆ’332,4822.86
15 Oct 202515,035,955โˆ’1,661,9642.71
30 Sep 202516,697,919โˆ’202,9973.97
15 Sep 202516,900,916โˆ’1,147,6814.04
29 Aug 202518,048,597+1,251,4347.20
15 Aug 202516,797,163โˆ’1,285,1096.27
31 Jul 202518,082,272โˆ’657,5013.98
15 Jul 202518,739,773+265,2444.36
30 Jun 202518,474,529+770,9354.71
13 Jun 202517,703,594+1,465,0653.99
30 May 202516,238,529โˆ’1,419,8593.72
15 May 202517,658,388โˆ’1,196,7974.65
30 Apr 202518,855,185+1,677,9373.91
15 Apr 202517,177,248โˆ’1,473,4372.87
31 Mar 202518,650,685โˆ’130,8587.44
14 Mar 202518,781,543+49,0174.62
28 Feb 202518,732,526+2,652,7606.42
14 Feb 202516,079,766+2,574,0736.39
31 Jan 202513,505,693+1,409,8033.02
15 Jan 202512,095,890โˆ’342,9964.51
31 Dec 202412,438,886โˆ’619,1044.77
13 Dec 202413,057,990+1,435,2934.29
29 Nov 202411,622,697+82,2795.52
15 Nov 202411,540,418โˆ’69,9696.36
31 Oct 202411,610,387+700,2434.06
15 Oct 202410,910,144โˆ’218,8086.24
30 Sep 202411,128,952+294,6125.57
13 Sep 202410,834,340โˆ’648,2824.88
30 Aug 202411,482,622โˆ’249,7516.36
15 Aug 202411,732,373+643,5974.59
31 Jul 202411,088,776+111,7983.35
15 Jul 202410,976,978+168,1956.72
28 Jun 202410,808,783โˆ’846,2114.85
14 Jun 202411,654,994+273,3224.91
31 May 202411,381,672+480,4464.76
15 May 202410,901,226+780,3945.81
30 Apr 202410,120,832โˆ’64,9772.95
15 Apr 202410,185,809+1,387,5573.88
28 Mar 20248,798,252โˆ’613,1832.89
15 Mar 20249,411,435โˆ’537,3692.47
29 Feb 20249,948,804โˆ’94,6444.79
15 Feb 202410,043,448+243,4985.42
31 Jan 20249,799,950โˆ’1,146,0172.95
12 Jan 202410,945,967โˆ’551,3655.42
29 Dec 202311,497,332โˆ’1,264,9658.00
15 Dec 202312,762,297โˆ’854,9274.90
30 Nov 202313,617,224โˆ’2,306,8418.39
15 Nov 202315,924,065+726,2206.61
31 Oct 202315,197,845+131,6314.41
13 Oct 202315,066,214+344,9846.76
29 Sep 202314,721,230โˆ’1,387,2517.12
15 Sep 202316,108,481+1,459,4953.21
31 Aug 202314,648,986โˆ’30,8498.24
15 Aug 202314,679,835+2,365,9015.99
31 Jul 202312,313,934+2,610,9984.14
14 Jul 20239,702,936+635,0746.17
30 Jun 20239,067,862+319,0544.83
15 Jun 20238,748,808โˆ’1,250,7283.48
31 May 20239,999,536+517,1874.30
15 May 20239,482,349+759,1404.97
28 Apr 20238,723,209โˆ’1,509,2012.61
14 Apr 202310,232,410โˆ’1,488,1715.47
31 Mar 202311,720,581+1,931,3884.67
15 Mar 20239,789,193+569,8684.26
28 Feb 20239,219,325โˆ’1,444,3985.09
15 Feb 202310,663,723+1,427,4724.76
31 Jan 20239,236,251โˆ’787,6032.31
13 Jan 202310,023,854โˆ’67,7794.61
30 Dec 202210,091,633โˆ’568,8554.59
15 Dec 202210,660,488+1,232,2604.28
30 Nov 20229,428,228โˆ’591,3774.84
15 Nov 202210,019,605โˆ’1,164,3313.93
31 Oct 202211,183,936โˆ’206,7332.83
14 Oct 202211,390,669โˆ’679,7473.76
30 Sep 202212,070,416+202,9395.27
15 Sep 202211,867,477โˆ’112,0174.91
31 Aug 202211,979,494โˆ’190,3765.96
15 Aug 202212,169,870+55,9429.03
29 Jul 202212,113,928โˆ’971,8373.86
15 Jul 202213,085,765+1,451,5958.49
30 Jun 202211,634,170+1,136,6835.56
15 Jun 202210,497,487+1,177,6156.68
31 May 20229,319,872+974,6744.48
13 May 20228,345,198+805,8484.63
29 Apr 20227,539,350+1,732,0643.50
14 Apr 20225,807,286+318,7763.57
31 Mar 20225,488,510โˆ’980,8213.05
15 Mar 20226,469,331โˆ’412,6802.87
28 Feb 20226,882,011+220,0143.22
15 Feb 20226,661,997โˆ’1,092,7904.26
31 Jan 20227,754,787โˆ’1,717,3892.10
14 Jan 20229,472,176โˆ’863,2465.55
31 Dec 202110,335,422+370,2466.14
15 Dec 20219,965,176โˆ’1,314,6204.90
30 Nov 202111,279,796โˆ’979,4684.60
15 Nov 202112,259,264+423,1044.25
29 Oct 202111,836,160+176,0724.16
15 Oct 202111,660,088+378,6215.22
30 Sep 202111,281,467+881,0496.02
15 Sep 202110,400,418+346,3984.21
31 Aug 202110,054,020+669,0704.99
13 Aug 20219,384,950+10,8985.64
30 Jul 20219,374,052+1,656,4473.75
15 Jul 20217,717,605โˆ’449,0404.62
30 Jun 20218,166,645โˆ’23,9543.43
15 Jun 20218,190,599สณโˆ’490,5804.10
28 May 20218,681,179โˆ’2,048,1712.25
14 May 202110,729,350โˆ’3,237,8562.86
30 Apr 202113,967,206โˆ’419,6074.01
15 Apr 202114,386,813+542,6556.69
31 Mar 202113,844,158โˆ’2,162,6794.46
15 Mar 202116,006,837+230,7154.64
26 Feb 202115,776,122โˆ’424,8236.51
12 Feb 202116,200,945โˆ’2,685,9318.67
29 Jan 202118,886,876โˆ’811,3432.85
15 Jan 202119,698,219+2,717,0066.11
31 Dec 202016,981,213โˆ’1,683,8017.60
15 Dec 202018,665,014โˆ’351,5306.53
30 Nov 202019,016,544+859,6348.46
13 Nov 202018,156,910+1,224,8106.38
30 Oct 202016,932,100โˆ’1,941,5515.12
15 Oct 202018,873,651โˆ’658,3319.30
30 Sep 202019,531,982+4,226,8017.00
15 Sep 202015,305,181โˆ’1,414,7755.50
31 Aug 202016,719,956โˆ’382,2948.30
14 Aug 202017,102,250โˆ’270,8335.94
31 Jul 202017,373,083+1,085,3754.33
15 Jul 202016,287,708โˆ’775,7087.35
30 Jun 202017,063,416+2,378,9224.42
15 Jun 202014,684,494+1,391,3685.72
29 May 202013,293,126+345,6887.57
15 May 202012,947,438สณ+1,537,2916.52
30 Apr 202011,410,147โˆ’186,5254.38
15 Apr 202011,596,672โˆ’1,444,3654.91
31 Mar 202013,041,037โˆ’1,520,3043.62
13 Mar 202014,561,341+632,2394.19
28 Feb 202013,929,102+480,9644.25
14 Feb 202013,448,138+85,4564.41
31 Jan 202013,362,682โˆ’804,9496.47
15 Jan 202014,167,631โˆ’387,9687.78
31 Dec 201914,555,599โˆ’298,1087.58
13 Dec 201914,853,707โˆ’691,3045.71
29 Nov 201915,545,011โˆ’367,2608.63
15 Nov 201915,912,271โˆ’20,5717.48
31 Oct 201915,932,842+955,3658.31
15 Oct 201914,977,477+692,6607.05
30 Sep 201914,284,817โˆ’663,5063.53
13 Sep 201914,948,323โˆ’516,1904.60
30 Aug 201915,464,513+772,3175.81
15 Aug 201914,692,196โˆ’2,261,8234.19
31 Jul 201916,954,019โˆ’404,2179.61
15 Jul 201917,358,236+503,2167.34
28 Jun 201916,855,020โˆ’1,535,7885.70
14 Jun 201918,390,808สณ+1,623,5606.56
31 May 201916,767,248+1,201,2486.09
15 May 201915,566,000+170,3584.43
30 Apr 201915,395,642+47,4184.26
15 Apr 201915,348,224โˆ’1,697,5245.82
29 Mar 201917,045,748โˆ’1,830,3455.54
15 Mar 201918,876,093+34,7625.58
28 Feb 201918,841,331โˆ’1,590,1686.41
15 Feb 201920,431,499โˆ’2,735,6694.70
31 Jan 201923,167,168โˆ’2,210,1465.62
15 Jan 201925,377,314โˆ’2,007,0777.81
31 Dec 201827,384,391โˆ’4,746,5775.66
14 Dec 201832,130,968+2,759,1227.98
30 Nov 201829,371,846โˆ’380,0228.42
15 Nov 201829,751,868+3,284,1015.34
31 Oct 201826,467,767โˆ’3,580,9606.15
15 Oct 201830,048,727+1,575,0658.04
28 Sep 201828,473,662+438,0386.92
14 Sep 201828,035,624+4,223,7435.12
31 Aug 201823,811,881+1,887,3008.64
15 Aug 201821,924,581+2,286,9735.86
31 Jul 201819,637,608+545,4936.62
13 Jul 201819,092,115สณโˆ’31,02610.40
29 Jun 201819,123,141โˆ’714,9478.42
15 Jun 201819,838,088+428,0995.28
31 May 201819,409,989+199,1597.07
15 May 201819,210,830+494,9994.19
30 Apr 201818,715,831โˆ’3,892,9896.09
13 Apr 201822,608,820โˆ’572,2625.51
29 Mar 201823,181,082โˆ’4,259,1974.81
15 Mar 201827,440,279โˆ’919,9946.23
28 Feb 201828,360,273โˆ’341,0109.46
15 Feb 201828,701,283โˆ’3,964,5735.41
31 Jan 201832,665,856โˆ’3,072,9346.13
12 Jan 201835,738,790โˆ’3,386,8835.10
29 Dec 201739,125,673โ€“13.66

Scroll inside the table for earlier settlements, back to 29 Dec 2017.

Questions

Frequently asked questions

What is STX's short interest?
9,129,029 shares short for settlement date 15 Sep 2026, per FINRA's consolidated short interest report, up 646,232 from the previous settlement.
Why is there no percentage for STX?
Because no defensible share count exists to divide by: an SEC filer exists but no defensible share count is available yet. The symbol maps to an SEC filer, but its share count cannot be used yet. A newly listed company needs two cover-page counts on file before the first is trusted; a split or an unexplained jump pauses publication until a fresh SEC count corroborates it; a secondary share class publishes under the company's primary line; and a foreign filer's short count is in depositary-share units. This page upgrades to a percentage automatically once a defensible count exists.
What is STX's days to cover?
2.67 days for settlement date 15 Sep 2026: FINRA's own short interest ratio, the reported shares short divided by average daily trading volume, published in the same file and shown verbatim. We hold no volume data ourselves.
Is this the short float?
No. This page shows FINRA's share count only. Short float divides that count by the public float, and short interest as we publish it elsewhere divides it by shares outstanding from SEC filings. Neither denominator is available for this line, so neither ratio is shown.
How often does this update?
FINRA member firms report short positions as of the 15th and the last business day of each month, and FINRA publishes the consolidated figures about nine business days later. We ingest each file the day it appears and re-read recent settlements for revisions.

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