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Anixa Biosciences (ANIX)

Anixa Biosciences on one page: short interest, daily short volume, fails to deliver, large holders, 13F holders and insider trades. Listed on Nasdaq, classified by the SEC as pharmaceutical preparations.

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1.4M

Short interest

settlement 2026-09-30

3.7

Days to cover

+1.0 days vs prior

51.3%

Short share of volume

2026-10-23

14

Fails to deliver

settlement 2026-09-24

3 people

Insiders buying, 30 days

$71K combined, latest 2026-10-22

$297K

Insider flow, 90 days

11 buys, 0 sells

As of 2026-10-23.

Short interest

FINRA, twice a month. The newest 48 settlements in the table, 48 in the chart. JSON

As of 30 September 2026, short interest in ANIX is 1,350,212 shares, up 357,029 shares over the last month. Over the last 48 readings it ranged from 322,876 shares (13 December 2024) to 1,350,212 shares (30 September 2026). The latest reading sits at the top of that range. At the reported average volume of 366K shares a day that is 3.7 days to cover.

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SettlementShares shortChangeAvg daily volumeDays to cover
2026-09-301,350,212+28.0%366,1813.69
2026-09-151,054,934+6.2%387,4292.72
2026-08-31993,183+1.6%297,8103.33
2026-08-14977,973-10.4%154,7956.32
2026-07-311,090,946+26.5%297,6313.67
2026-07-15862,186-2.7%277,0503.11
2026-06-30885,939+10.3%366,3062.42
2026-06-15803,102-20.8%132,2926.07
2026-05-291,013,512+3.1%93,64110.82
2026-05-15983,354-5.1%113,1318.69
2026-04-301,035,990-0.7%122,2588.47
2026-04-151,043,017-9.3%107,8379.67
2026-03-311,149,762-0.1%106,28910.82
2026-03-131,151,370-0.3%99,83011.53
2026-02-271,154,589-9.8%79,97214.44
2026-02-131,280,786+7.8%200,6806.38
2026-01-301,187,693+2.8%209,6925.66
2026-01-151,155,439+15.3%255,8714.52
2025-12-311,002,532+26.0%292,1473.43
2025-12-15795,400+40.7%719,3271.11
2025-11-28565,273-12.3%148,5673.80
2025-11-14644,572+12.4%179,5693.59
2025-10-31573,380+14.8%157,7433.63
2025-10-15499,400+15.9%405,5891.23
2025-09-30431,020+3.7%140,1823.07
2025-09-15415,767+1.3%131,1653.17
2025-08-29410,540+3.2%50,8798.07
2025-08-15397,840-4.3%87,5884.54
2025-07-31415,941+8.1%105,2743.95
2025-07-15384,683-6.0%106,3263.62
2025-06-30409,070+2.1%145,9632.80
2025-06-13400,617+17.6%363,2521.10
2025-05-30340,742-9.7%45,9017.42
2025-05-15377,413+5.4%37,53110.06
2025-04-30358,007-3.2%35,31310.14
2025-04-15369,674-3.5%62,1285.95
2025-03-31382,965-2.3%68,8015.57
2025-03-14391,903-8.0%65,3426.00
2025-02-28425,789+5.7%133,3283.19
2025-02-14402,860-0.1%117,4053.43
2025-01-31403,062+13.7%142,2672.83
2025-01-15354,506+5.4%102,3053.47
2024-12-31336,344+4.2%119,2412.82
2024-12-13322,876-12.5%84,9593.80
2024-11-29369,026-10.3%124,2702.97
2024-11-15411,556-2.5%115,3823.57
2024-10-31421,924-28.9%116,6753.62
2024-10-15593,721-5.3%35,47916.73

Daily short volume

FINRA Reg SHO, the last 30 sessions. JSON

As of 23 October 2026, the short share of ANIX volume is 51.3%, up 6.8 points over the last five sessions. Over the last 30 readings it ranged from 42.7% (19 October 2026) to 83.5% (14 September 2026). The latest reading is 9.8 points below the 30-session average of 61.1%, on 140K shares reported.

DateShort volumeTotal volumeShort shareExempt
2026-10-2372K140K51.3%0
2026-10-2256K96K58.5%0
2026-10-2140K69K57.4%40
2026-10-2039K77K50.3%0
2026-10-1917K40K42.7%0
2026-10-1631K69K44.5%0
2026-10-15115K149K76.8%100
2026-10-14123K157K78.5%0
2026-10-1341K84K49.0%0
2026-10-1221K39K53.8%0
2026-10-0967K88K75.8%0
2026-10-0846K78K58.7%1,000
2026-10-0785K137K62.2%50
2026-10-0680K139K57.6%5
2026-10-0564K110K58.4%0
2026-10-0283K126K65.7%0
2026-10-0159K109K53.6%902
2026-09-30141K212K66.6%0
2026-09-2950K75K66.4%0
2026-09-2878K143K54.4%0
2026-09-2587K156K55.7%3,100
2026-09-2474K149K49.5%5
2026-09-2398K146K66.8%0
2026-09-22100K179K55.6%1,250
2026-09-21119K186K64.0%300
2026-09-1872K106K68.5%0
2026-09-1773K109K67.3%0
2026-09-16111K157K70.8%0
2026-09-1587K129K67.6%0
2026-09-14109K130K83.5%0

Fails to deliver

SEC, the last 30 settlement dates with a fail. JSON

As of 24 September 2026, the fails-to-deliver balance in ANIX is 14 shares, down 72 shares over the last settlement date. Over the last 30 readings it ranged from 14 shares (24 September 2026) to 53,772 shares (20 August 2026). The latest reading sits at the bottom of that range.

SettlementShares failedPriceValue
2026-09-2414$2.75$39
2026-09-2386$2.79$240
2026-09-15439$2.80$1K
2026-09-105,140$2.83$15K
2026-09-08141$3.07$433
2026-08-2814,915$3.60$54K
2026-08-25500$3.62$2K
2026-08-212,897$3.59$10K
2026-08-2053,772$3.71$199K
2026-08-196,627$3.43$23K
2026-08-185,022$3.49$18K
2026-08-171,000$3.18$3K
2026-08-141,585$3.20$5K
2026-08-116,534$3.25$21K
2026-08-10102$3.42$349
2026-07-302,953$3.48$10K
2026-07-293,034$3.52$11K
2026-07-284,520$3.46$16K
2026-07-235,070$3.52$18K
2026-07-2216,113$3.56$57K
2026-07-17435$3.32$1K
2026-07-153,135$3.19$10K
2026-07-141,573$3.06$5K
2026-07-101,627$3.22$5K
2026-07-0815,200$2.96$45K
2026-07-0715,200$3.05$46K
2026-07-023,288$3.14$10K
2026-07-019,926$2.80$28K
2026-06-304,433$2.85$13K
2026-06-293,518$2.79$10K

Insider trades

SEC Form 4, newest first. JSON

Insiders at ANIX reported 11 open-market buys worth $297K in the last 90 days and no open-market sells. Latest filing: KUMAR AMIT (Chief Executive Officer) on 2026-10-22.

DateInsiderTitleTypeSharesPriceValueOwned after
2026-10-22KUMAR AMITChief Executive OfficerBuy8K$2.72$22K680K
2026-09-30Catelani MichaelPresident, COO, & CFOBuy6K$2.84$16K50K
2026-09-24Baskies Arnold MDirectorBuy5K$2.76$14K141K
2026-09-24KUMAR AMITChief Executive OfficerBuy7K$2.78$19K672K
2026-09-23Titterton Lewis H jrDirectorBuy49K$2.69$132K1.0M
2026-09-10KUMAR AMITChief Executive OfficerBuy3K$2.75$8K665K
2026-09-10Titterton Lewis H jrDirectorBuy10K$2.73$27K997K
2026-09-10KUMAR AMITChief Executive OfficerBuy5K$2.76$14K662K
2026-07-31KUMAR AMITChief Executive OfficerBuy5K$3.47$17K657K
2026-07-27Baskies Arnold MDirectorTax withholding5K$3.46$19K136K
2026-07-27Baskies Arnold MDirectorExercise or conversion6K$3.13$19K141K
2026-07-27KUMAR AMITChief Executive OfficerBuy5K$3.44$17K652K
2026-07-27KUMAR AMITChief Executive OfficerBuy3K$3.37$11K647K
2026-07-24KUMAR AMITChief Executive OfficerBuy3K$3.73$11K644K
2026-07-20KUMAR AMITChief Executive OfficerBuy5K$3.46$17K641K
2026-07-20Titterton Lewis H jrDirectorBuy12K$3.47$42K987K
2026-07-15Titterton Lewis H jrDirectorBuy3K$3.28$9K975K
2026-07-10KUMAR AMITChief Executive OfficerBuy5K$3.04$15K636K
2026-06-16Titterton Lewis H jrDirectorBuy3K$2.64$7K972K
2026-06-12KUMAR AMITChief Executive OfficerBuy21K$2.50$53K631K
2026-01-28Baskies Arnold MDirectorBuy10K$3.04$30K135K
2025-12-15Titterton Lewis H jrDirectorExercise or conversion16K$2.92$47K969K
2025-10-30KUMAR AMITChief Executive OfficerTax withholding169K$4.06$688K610K
2025-10-30KUMAR AMITChief Executive OfficerExercise or conversion200K$2.92$584K780K
2025-07-31Titterton Lewis H jrDirectorBuy10K$3.08$31K953K
2025-07-30KUMAR AMITChief Executive OfficerBuy5K$3.16$16K580K
2025-07-18Baskies Arnold MDirectorBuy5K$3.39$17K125K
2025-07-11KUMAR AMITChief Executive OfficerBuy5K$3.15$16K575K
2025-07-11Titterton Lewis H jrDirectorBuy10K$3.14$31K943K
2025-06-04KUMAR AMITChief Executive OfficerBuy10K$2.85$29K570K
2025-01-28Baskies Arnold MDirectorBuy5K$2.82$14K120K
2025-01-24Titterton Lewis H jrDirectorBuy1K$3.00$3K933K
2025-01-23Titterton Lewis H jrDirectorBuy2K$2.91$6K932K
2025-01-22Titterton Lewis H jrDirectorBuy2K$3.01$6K930K
2025-01-21Titterton Lewis H jrDirectorBuy6K$2.59$16K928K
2025-01-17Titterton Lewis H jrDirectorBuy10K$2.57$26K922K
2025-01-15Catelani MichaelPresident, COO, & CFOBuy9K$2.15$20K45K
2025-01-15KUMAR AMITChief Executive OfficerBuy43K$2.23$96K560K
2024-10-22Titterton Lewis H jrDirectorExercise or conversion16K$2.58$41K912K
2024-07-31Titterton Lewis H jrDirectorBuy6K$3.23$18K896K
2024-07-30Titterton Lewis H jrDirectorBuy22K$3.06$66K891K
2024-07-26Baskies Arnold MDirectorBuy5K$3.09$15K115K
2024-07-26Titterton Lewis H jrDirectorBuy8K$3.03$23K869K
2024-07-25Titterton Lewis H jrDirectorBuy796$2.81$2K861K
2024-06-14Titterton Lewis H jrDirectorBuy4K$2.68$11K861K
2024-06-13Titterton Lewis H jrDirectorBuy405$2.70$1K857K
2024-06-11Titterton Lewis H jrDirectorBuy7K$2.66$19K856K
2024-06-10Titterton Lewis H jrDirectorBuy330$2.60$858849K
2024-06-07KUMAR AMITChief Executive OfficerBuy25K$2.41$60K517K
2024-06-07Catelani MichaelPresident, COO, & CFOBuy6K$2.40$15K35K
2024-06-07Titterton Lewis H jrDirectorBuy11K$2.52$27K849K
2024-04-30Catelani MichaelPresident, COO, & CFOGrant1K$2.52$3K29K
2024-04-09Titterton Lewis H jrDirectorBuy15K$3.28$49K838K
2024-03-15KUMAR AMITChief Executive OfficerBuy30K$3.22$97K492K
2024-03-15Baskies Arnold MDirectorBuy10K$3.63$36K110K
2023-10-31Catelani MichaelPresident, COO & CFOGrant1K$2.69$3K28K
2023-10-10Titterton Lewis H jrDirectorExercise or conversion16K$2.58$41K823K
2023-07-31KUMAR AMITChief Executive OfficerSell12K$3.57$42K462K
2023-07-28KUMAR AMITChief Executive OfficerTax withholding28K$3.63$103K474K
2023-07-28KUMAR AMITChief Executive OfficerExercise or conversion40K$2.58$103K502K
2023-07-27Titterton Lewis H jrDirectorTax withholding87K$3.55$309K807K
2023-07-27Titterton Lewis H jrDirectorExercise or conversion120K$2.58$310K894K
2023-07-20Catelani MichaelPresident, COO & CFOBuy6K$3.64$20K27K
2023-04-28Catelani MichaelPresident, COO & CFOGrant865$3.47$3K21K
2022-10-31Catelani MichaelPresident, COO & CFOOther transaction1K$2.81$3K20K
2022-09-29Titterton Lewis H jrDirectorExercise or conversion40K$2.58$103K774K
2022-09-15KUMAR AMITChief Executive OfficerTax withholding492K$4.48$2.2M462K
2022-09-15KUMAR AMITChief Executive OfficerExercise or conversion640K$2.58$1.7M954K
2022-09-14Titterton Lewis H jrDirectorGift300K$0.00$0734K
2022-06-24Titterton Lewis H jrDirectorExercise or conversion16K$2.58$41K1.0M
2022-06-24Titterton Lewis H jrDirectorExercise or conversion30K$2.58$77K1.0M
2022-04-29Catelani MichaelPresidentOther transaction1K$2.76$3K19K
2022-04-26Titterton Lewis H jrDirectorBuy10K$2.79$28K988K
2022-04-21Catelani MichaelPresidentBuy6K$2.66$15K18K
2022-04-20Catelani MichaelPresidentBuy3K$2.53$6K13K
2022-01-12Titterton Lewis H jrDirectorBuy5K$3.28$16K978K
2022-01-11Titterton Lewis H jrDirectorBuy2K$3.20$6K973K
2022-01-10Titterton Lewis H jrDirectorBuy6K$3.08$18K971K
2022-01-07KUMAR AMITChief Executive OfficerBuy20K$3.00$60K314K
2022-01-07Titterton Lewis H jrDirectorBuy11K$3.08$34K965K
2021-10-29KUMAR AMITChief Executive OfficerBuy2K$4.77$10K294K
2021-10-29Titterton Lewis H jrDirectorBuy18K$4.76$87K954K
2021-10-29Catelani MichaelCOO & CFOOther transaction743$4.04$3K10K
2021-07-26Titterton Lewis H jrDirectorBuy30K$4.21$126K936K
2021-07-23Baskies Arnold MDirectorBuy19K$4.33$82K100K
2021-07-23KUMAR AMITChief Executive OfficerBuy5K$4.28$21K292K
2021-07-16Titterton Lewis H jrDirectorBuy10K$4.07$41K906K
2021-07-16KUMAR AMITChief Executive OfficerBuy10K$3.94$39K287K
2021-07-15Baskies Arnold MDirectorBuy20K$3.90$78K81K
2021-07-15Gottschalk EmilyDirectorBuy20K$3.96$79K46K
2021-07-15Titterton Lewis H jrDirectorBuy2K$3.65$8K896K
2021-07-14Titterton Lewis H jrDirectorBuy23K$3.72$87K894K
2021-04-30Catelani MichaelCOO & CFOOther transaction2K$1.84$3K9K
2021-04-23Gottschalk EmilyDirectorBuy10K$4.49$45K26K
2021-04-20Baskies Arnold MDirectorBuy10K$3.91$39K61K
2021-04-19Titterton Lewis H jrDirectorBuy5K$3.99$20K870K
2021-03-25KUMAR AMITChief Executive OfficerBuy5K$4.86$24K277K
2021-03-25Baskies Arnold MDirectorBuy10K$4.80$48K51K
2021-03-25Gottschalk EmilyDirectorBuy16K$4.88$76K16K
2021-03-25Titterton Lewis H jrDirectorBuy45K$4.84$218K865K

Form 4 filings are due within two business days of the trade. Insiders sell for many reasons that say nothing about the company; open-market buys are rarer.

Large holders (13D and 13G)

One row per reporting person with its latest filing, newest first. JSON

1 holder reports 5% or more of ANIX in its latest filing, on Schedule 13D (active intent). The holder is Michael Catelani at 7.0% of the class (2,468,103 shares), filed 2026-01-06 for an event on 2026-01-05.

FiledFormHolderSharesOf classEvent
2026-01-0613D/Ano. 1Michael Catelaniindividual2.5M7.0%2026-01-05

13F holders

Tracked managers holding ANIX at their latest 13F. JSON

2 of the 30 tracked managers held ANIX at their latest 13F, $256K in total at quarter-end prices. Renaissance Technologies is the largest at $166K (0.0% of its portfolio) as of 2026-06-30. Over the prior quarter 1 added shares and 1 cut.

FundQuarterSharesValueOf portfolioChange in shares
Renaissance Technologies2026-06-3059K$166K0.00%-2K
Citadel Advisors2026-06-3032K$89K0.00%new

Only the 30 tracked managers on the funds hub; a 13F reports long positions in US listed stock at quarter end, 45 days late, and says nothing about shorts or positions sold since.

What this page is

Anixa Biosciences in the regulatory record

Regulators publish company data in separate files that never sit next to each other: FINRA's twice-monthly short interest, its daily short sale volume, the SEC's fails-to-deliver counts, and each insider's Form 4. A company page puts those series for one ticker on one URL, with planned sales, large holders, 13F holders and financials beside them, so the short position, the daily flow, the settlement fails and what insiders are doing can be read together.

Each section has its own history table, a one-line summary of the latest figures and its own JSON and CSV links, and says when its source last updated.

This page follows Anixa Biosciences (ANIX), SEC CIK 715446, listed on Nasdaq, classified by the SEC as pharmaceutical preparations. The cross-market tables live on the short interest and insider transactions hubs.

Source and updates

Short interest
FINRA consolidated short interestSource: FINRA.Twice a month, about eight business days after settlement. Latest 2026-09-30.JSON and CSV
Daily short volume
FINRA Reg SHO daily filesSource: FINRA.Every trading day, the morning after FINRA posts it. Latest 2026-10-23.JSON and CSV
Fails to deliver
SEC fails-to-deliver dataSource: SEC.Twice a month, a few weeks after the half month ends. Latest 2026-09-24.JSON and CSV
Large holders
SEC EDGAR Schedule 13D and 13GSource: SEC.New filings appear shortly after the SEC posts them. A 13D is due within five business days of crossing 5%; a 13G follows the passive schedule. Latest 2026-01-06.JSON and CSV
13F holders
SEC EDGAR Form 13F-HRSource: SEC.Quarterly, filed within 45 days of quarter end; 30 tracked managers. Latest 2026-06-30.JSON and CSV
Insider trades
SEC EDGAR Form 4Source: SEC.New filings appear shortly after the SEC posts them; they're due two business days after the trade. Latest 2026-10-22.JSON and CSV
Company record
EDGAR filing index for CIK 715446Ticker, name and exchange from the SEC's company list, refreshed weekly.
Rate limits
10 requests a minute without a key, 30 with a free key from a free account.

How to read it

  • Read the position against the flow: rising short interest with a high daily short share is new shorting; rising short interest with a normal short share is old shorts holding on.
  • Insider buys next to a large short position are rare and stand out; insider sells next to one are common and mean little.
  • Fails to deliver matter relative to the float, not in absolute shares; a million failed shares in a mega cap is noise.

Analysis of what the data shows, not advice. XOOMAR does not recommend buying, selling or holding anything.

Other companies the SEC classifies as pharmaceutical preparations

Other company pages

Datasets

Frequently Asked Questions

How much of ANIX is sold short?
1,350,212 shares were held short at the 2026-09-30 settlement, 3.7 days of average volume. FINRA publishes the next count about eight business days after the 15th and the last business day of the month.
What is ANIX's daily short volume?
On 2026-10-23, 71,644 of the 139,714 ANIX shares reported to FINRA were sold short, 51.3% of the day's reported volume. Short volume is a flow for one day, not a position.
Does ANIX have fails to deliver?
The SEC's latest file shows 14 ANIX shares failed to deliver at settlement 2026-09-24. Fails are reported per settlement date and published twice a month with a lag.
Are ANIX insiders buying or selling?
Insiders at ANIX reported 11 open-market buys worth $297K in the last 90 days and no open-market sells. Latest filing: KUMAR AMIT (Chief Executive Officer) on 2026-10-22.
Who owns 5% or more of ANIX?
1 holder reports 5% or more of ANIX in its latest filing, on Schedule 13D (active intent). The holder is Michael Catelani at 7.0% of the class (2,468,103 shares), filed 2026-01-06 for an event on 2026-01-05.
Which tracked 13F managers own ANIX?
2 of the 30 tracked 13F managers held ANIX shares at their latest filing, $256K in all. The largest: Renaissance Technologies (59K shares, $166K), Ken Griffin's Citadel Advisors (32K shares, $89K).

Data on this page is provided for informational purposes only and is not financial advice. See our editorial policy.