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Aktis Oncology, Inc. short interest

4.3M shares of Aktis Oncology were sold short at the 15 October 2026 settlement, near the top of its range over the last year (47K to 4.7M). Short sellers would need 11.3 days of normal trading to buy them back.

Shares sold short4.3Mat 15 Oct 2026
Change on the settlement before-8.5%+9145% over a year
Days to cover11.27at 383K shares a day
Of shares in issue8.07%shares short over shares outstanding
New to this? How to read this page
  1. Short interest is the number of shares investors have borrowed and sold, betting the price will fall, and not yet bought back.
  2. Days to cover is shares short over an average day's trading: how many days it would take short sellers to buy them all back. Above 5 or so is high.
  3. Rising short interest says more investors are betting against the stock. A crowded short can also rise fast if shorts rush to buy back.
  4. Brokers report it twice a month to FINRA, about ten days after each settlement date.
  5. What is short interest?

Short interest, days to cover and the price

Short interest is near the top of its range over the last year (47K to 4.7M), and the share price moved -22% over the last year.

Shares sold shortDays to coverShare price

Three charts on one timeline. Top: shares sold short at each settlement. Middle: days to cover, taller meaning shorts would need longer to buy back. Bottom: the share price, so you can see whether shorts added as the price fell or rose.

How it compares

every company on the site

    The bar ranks every company on the site from the lowest on the left to the highest on the right, in three equal thirds; the small figures under it are the values where each third starts, and the black tick is the middle company. The orange dot is this company; the grey ticks are the other companies in its industry (hover or tap for names). A hatched block is companies tied at none.

    Every settlement since 29 Dec 2017 as a table
    SettlementShares shortChangeAverage daily volumeDays to cover
    15 October 20264.3M-8.5%383K11.27
    30 September 20264.7M+45.0%646K7.30
    15 September 20263.3M+2.4%282K11.53
    31 August 20263.2M-7.9%306K10.36
    14 August 20263.4M-0.7%230K15.01
    31 July 20263.5M-7.2%270K12.84
    15 July 20263.7M+13.1%597K6.26
    30 June 20263.3M+13.5%662K4.99
    15 June 20262.9M+9.3%252K11.57
    29 May 20262.7M+5.5%145K18.39
    15 May 20262.5M-1.7%151K16.71
    30 April 20262.6M+9.8%256K10.04
    15 April 20262.3M+0.9%280K8.36
    31 March 20262.3M+99.1%770K3.01
    13 March 20261.2M+16.5%204K5.72
    27 February 20261.0M+8.8%168K5.96
    13 February 2026919K+369.2%261K3.52
    30 January 2026196K+320.0%281K1.00
    15 January 202647K-99.1%494K1.00
    13 December 20245.0M-30.8%7.5M1.00
    29 November 20247.2M+102.2%77.1M1.00
    15 November 20243.6M-32.7%14.4M1.00
    31 October 20245.3M+300.2%11.6M1.00
    15 October 20241.3M-5.6%7.2M1.00
    30 September 20241.4M-49.6%16.2M1.00
    13 September 20242.8M-39.7%7.3M1.00
    30 August 20244.6M-45.3%7.0M1.00
    15 August 20248.5M+107.1%15.8M1.00
    31 July 20244.1M-26.8%2.4M1.68
    15 July 20245.6M-9.0%8.8M1.00
    28 June 20246.2M-17.6%10.3M1.00
    14 June 20247.5M-27.8%4.8M1.57
    31 May 202410.3M+27.3%60.8M1.00
    15 May 20248.1M-18.6%698K11.63
    30 April 202410.0M+5.1%407K24.49
    15 April 20249.5M+0.5%503K18.86
    28 March 20249.4M+9.7%562K16.80
    15 March 20248.6M+13.6%859K10.02
    29 February 20247.6M-9.8%879K8.62
    15 February 20248.4M+3.9%1.2M7.18
    31 January 20248.1M+17.5%1.4M5.79
    12 January 20246.9M-5.0%362K19.01
    29 December 20237.3M-3.4%864K8.39
    15 December 20237.5M-0.4%702K10.69
    30 November 20237.5M+9.2%614K12.26
    15 November 20236.9M-2.7%626K11.03
    31 October 20237.1M+1.2%601K11.81
    13 October 20237.0M+9.1%524K13.37
    29 September 20236.4M-3.4%698K9.21
    15 September 20236.7M-7.9%2.7M2.45
    31 August 20237.2M+9.6%626K11.53
    15 August 20236.6M+15.6%592K11.12
    31 July 20235.7M+0.5%846K6.73
    14 July 20235.7M+2.6%470K12.06
    30 June 20235.5M+3.3%582K9.48
    15 June 20235.3M-3.4%400K13.36
    31 May 20235.5M-4.1%422K13.11
    15 May 20235.8M+2.9%651K8.88
    28 April 20235.6M+3.0%523K10.72
    14 April 20235.4M-1.9%396K13.76
    31 March 20235.6M+11.8%767K7.24
    15 March 20235.0M+11.6%639K7.77
    28 February 20234.4M+10.9%579K7.69
    15 February 20234.0M-6.0%1.1M3.79
    31 January 20234.3M-14.1%1.3M3.21
    13 January 20235.0M+0.9%376K13.20
    30 December 20224.9M+10.5%520K9.46
    15 December 20224.5M-0.8%233K19.10
    30 November 20224.5M-1.0%315K14.23
    15 November 20224.5M-4.3%373K12.14
    31 October 20224.7M-3.7%519K9.12
    14 October 20224.9M-2.7%612K8.03
    30 September 20225.1M-4.4%462K10.93
    15 September 20225.3M+0.3%379K13.94
    31 August 20225.3M+0.3%235K22.42
    15 August 20225.3M-8.5%298K17.66
    29 July 20225.7M-3.7%276K20.84
    15 July 20226.0M+1.9%236K25.32
    30 June 20225.9M-0.3%582K10.06
    15 June 20225.9M+2.4%480K12.24
    31 May 20225.7M+1.6%526K10.89
    13 May 20225.6M-0.7%767K7.35
    29 April 20225.7M+6.9%595K9.55
    14 April 20225.3M-4.2%383K13.89
    31 March 20225.6M-2.4%532K10.43
    15 March 20225.7M-0.9%376K15.14
    28 February 20225.7M-1.7%655K8.77
    15 February 20225.8M+4.7%751K7.77
    31 January 20225.6M+15.5%928K6.01
    14 January 20224.8M+11.8%560K8.62
    31 December 20214.3M+8.0%698K6.19
    15 December 20214.0M+1.9%675K5.93
    30 November 20213.9M-2.6%649K6.05
    15 November 20214.0M-7.1%539K7.48
    29 October 20214.3M+1.1%575K7.55
    15 October 20214.3M-11.4%491K8.73
    30 September 20214.8M-0.3%374K12.95
    15 September 20214.9M+0.3%444K10.93
    31 August 20214.8M-2.0%592K8.17
    13 August 20214.9M-5.5%289K17.06
    30 July 20215.2M+7.2%345K15.15
    15 July 20214.9M-1.0%389K12.53
    30 June 20214.9M+12.5%636K7.74
    15 June 20214.4M+0.8%555K7.88
    28 May 20214.3M+1.4%344K12.60
    14 May 20214.3M+8.7%730K5.86
    30 April 20213.9M-1.7%453K8.69
    15 April 20214.0M-0.6%496K8.08
    31 March 20214.0M+11.3%670K6.02
    15 March 20213.6M-4.6%956K3.79
    26 February 20213.8M-19.5%721K5.26
    12 February 20214.7M-20.6%1.2M4.02
    29 January 20215.9M-24.1%919K6.46
    15 January 20217.8M-9.0%642K12.19
    31 December 20208.6M+2.1%1.2M7.34
    15 December 20208.4M-2.8%773K10.88
    30 November 20208.7M+7.4%701K12.35
    13 November 20208.1M-4.7%566K14.25
    30 October 20208.5M+5.1%409K20.70
    15 October 20208.0M-2.2%222K36.29
    30 September 20208.2M-1.4%326K25.23
    15 September 20208.3M+4.7%378K22.07
    31 August 20208.0M-0.7%660K12.08
    14 August 20208.0M-1.7%386K20.80
    31 July 20208.2M-1.6%411K19.89
    15 July 20208.3M+5.4%395K21.04
    30 June 20207.9M+18.4%850K9.26
    15 June 20206.6M+0.1%421K15.78
    29 May 20206.6M-1.6%563K11.81
    15 May 20206.8M-0.0%661K10.21
    30 April 20206.8M+0.5%963K7.01
    15 April 20206.7M+3.6%986K6.82
    31 March 20206.5M-1.6%664K9.77
    13 March 20206.6M+10.8%550K11.97
    28 February 20205.9M+7.7%483K12.31
    14 February 20205.5M+2.8%328K16.83
    31 January 20205.4M+7.3%465K11.55
    15 January 20205.0M+13.0%296K16.92
    31 December 20194.4M+1.4%205K21.59
    13 December 20194.4M+0.1%359K12.19
    29 November 20194.4M-1.1%209K20.85
    15 November 20194.4M-13.2%368K12.02
    31 October 20195.1M-12.6%264K19.31
    15 October 20195.8M-5.7%388K15.02
    30 September 20196.2M-10.2%550K11.21
    13 September 20196.9M-6.7%502K13.70
    30 August 20197.4M+3.8%576K12.79
    15 August 20197.1M+4.3%259K27.39
    31 July 20196.8M+4.4%443K15.37
    15 July 20196.5M+8.9%715K9.12
    28 June 20196.0M+11.7%719K8.32
    14 June 20195.4M-1.4%323K16.59
    31 May 20195.4M+25.8%432K12.58
    15 May 20194.3M+43.4%843K5.12
    30 April 20193.0M+2.2%218K13.81
    15 April 20192.9M+15.1%284K10.36
    29 March 20192.6M+15.0%223K11.49
    15 March 20192.2M-0.9%284K7.84
    28 February 20192.2M+10.2%167K13.44
    15 February 20192.0M-4.4%204K10.02
    31 January 20192.1M+1.8%303K7.04
    15 January 20192.1M+0.6%145K14.41
    31 December 20182.1M+13.4%158K13.20
    14 December 20181.8M+15.4%185K9.93
    30 November 20181.6M+2.4%165K9.62
    15 November 20181.6M+62.1%776K2.00
    31 October 2018959K+6.6%783K1.22
    15 October 2018899K+3.5%157K5.73
    28 September 2018868K-5.8%125K6.96
    14 September 2018922K-5.6%47K19.78
    31 August 2018977K+0.6%85K11.50
    15 August 2018971K-7.3%72K13.50
    31 July 20181.0M-0.2%124K8.43
    13 July 20181.0M+13.3%200K5.24
    29 June 2018926K-13.4%400K2.31
    15 June 20181.1M-0.2%65K16.53
    31 May 20181.1M-0.4%63K16.97
    15 May 20181.1M+2.1%81K13.30
    30 April 20181.1M+1.8%61K17.35
    13 April 20181.0M+12.8%136K7.60
    29 March 2018916K+17.8%116K7.90
    15 March 2018778K+8.4%144K5.40
    28 February 2018717K-7.9%164K4.37
    15 February 2018779K-15.2%111K7.03
    31 January 2018918K+2.7%122K7.55
    12 January 2018894K-0.4%75K11.97
    29 December 2017898K90K10.03
    Shares in millions (M) or thousands (K); hold the pointer on a figure for the exact count. FINRA publishes consolidated short interest twice a month, about ten days after each settlement.