XOOMAR

Ocugen (OCGN)

Ocugen on one page: short interest, daily short volume, fails to deliver, large holders, 13F holders, earnings dates and insider trades. Listed on Nasdaq, classified by the SEC as biological products, (no diagnostic substances).

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102.1M

Short interest

settlement 2026-09-30

13.7

Days to cover

+3.3 days vs prior

64.6%

Short share of volume

2026-10-22

15,066

Fails to deliver

settlement 2026-09-28

Wed 4 Nov

Next earnings

estimated date

-$1.1M

Insider flow, 90 days

0 buys, 4 sells

As of 2026-10-22.

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 OCGN is 102,053,118 shares, up 3,743,697 shares over the last month. Over the last 48 readings it ranged from 46,392,427 shares (31 December 2025) to 106,062,298 shares (15 September 2026). The latest reading sits at the top of that range. At the reported average volume of 7.5M shares a day that is 13.7 days to cover.

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SettlementShares shortChangeAvg daily volumeDays to cover
2026-09-30102,053,118-3.8%7,472,50213.66
2026-09-15106,062,298+7.9%10,210,18010.39
2026-08-3198,309,421-3.4%3,481,65928.24
2026-08-14101,770,376+0.8%4,259,15523.89
2026-07-31100,913,607+0.3%4,681,82121.55
2026-07-15100,590,405-4.6%5,336,70318.85
2026-06-30105,430,735+21.8%14,922,5907.07
2026-06-1586,561,503+4.3%4,682,76218.49
2026-05-2983,020,405+2.4%5,795,78614.32
2026-05-1581,047,338+16.3%9,926,2698.16
2026-04-3069,673,506+2.6%6,025,35011.56
2026-04-1567,890,507+4.8%5,464,21412.42
2026-03-3164,754,908+23.7%12,231,3665.29
2026-03-1352,358,943+3.5%12,529,6574.18
2026-02-2750,589,268+3.1%5,092,6889.93
2026-02-1349,061,740+3.8%3,278,82914.96
2026-01-3047,284,982-1.3%5,568,1758.49
2026-01-1547,899,156+3.3%7,161,2446.69
2025-12-3146,392,427-21.4%4,081,57311.37
2025-12-1558,994,853-0.8%3,441,56717.14
2025-11-2859,490,622+0.7%2,896,73520.54
2025-11-1459,091,529+1.9%3,786,07215.61
2025-10-3158,010,350-0.2%3,292,60717.62
2025-10-1558,104,492+10.1%7,695,0597.55
2025-09-3052,777,098-2.4%8,436,9656.26
2025-09-1554,084,578-0.8%2,509,14721.55
2025-08-2954,538,456-1.2%1,816,78830.02
2025-08-1555,215,639+0.8%2,449,03622.55
2025-07-3154,761,058-2.4%3,142,56417.43
2025-07-1556,127,276-11.2%4,361,21712.87
2025-06-3063,212,833-3.0%11,383,2835.55
2025-06-1365,193,477-4.8%5,836,70711.17
2025-05-3068,472,892-1.6%6,378,70610.73
2025-05-1569,595,032+2.0%3,165,47921.99
2025-04-3068,225,493-0.6%2,869,84523.77
2025-04-1568,666,964+4.4%4,078,26916.84
2025-03-3165,794,489-2.5%4,353,12015.11
2025-03-1467,513,578+6.0%4,121,59516.38
2025-02-2863,673,877+5.7%3,558,72917.89
2025-02-1460,259,171+2.3%3,451,68917.46
2025-01-3158,883,625+4.9%3,836,81915.35
2025-01-1556,110,366+7.4%5,523,72410.16
2024-12-3152,258,018-10.9%6,914,6517.56
2024-12-1358,632,954+2.9%3,880,92515.11
2024-11-2956,995,210+4.8%3,721,86615.31
2024-11-1554,396,876+7.4%4,342,46112.53
2024-10-3150,645,227-2.5%3,131,87116.17
2024-10-1551,917,995+2.6%2,860,37718.15

Daily short volume

FINRA Reg SHO, the last 30 sessions. JSON

As of 22 October 2026, the short share of OCGN volume is 64.6%, up 1.9 points over the last five sessions. Over the last 30 readings it ranged from 47.8% (29 September 2026) to 77.2% (30 September 2026). The latest reading is in line with the 30-session average of 65.9%, on 4.5M shares reported.

DateShort volumeTotal volumeShort shareExempt
2026-10-222.9M4.5M64.6%2,500
2026-10-212.0M2.6M77.0%5,271
2026-10-202.9M4.3M68.4%38,318
2026-10-191.5M2.6M57.4%3,974
2026-10-162.0M3.0M65.6%0
2026-10-151.9M3.1M62.8%203,540
2026-10-143.6M5.4M67.1%190,550
2026-10-133.0M4.1M74.7%2,922
2026-10-121.2M1.9M65.5%2,500
2026-10-096.3M8.6M73.3%23,914
2026-10-084.3M5.8M73.0%12,747
2026-10-072.2M3.4M64.1%3,386
2026-10-061.3M2.6M49.1%1,271
2026-10-051.9M3.0M64.0%2,888
2026-10-02972K1.4M69.7%18,352
2026-10-011.4M2.3M61.7%225
2026-09-302.7M3.5M77.2%3,437
2026-09-292.0M4.2M47.8%2,099
2026-09-281.9M2.7M70.7%151
2026-09-252.7M4.7M57.9%997
2026-09-242.2M3.2M69.7%10,596
2026-09-235.4M7.0M76.9%2,922
2026-09-222.1M3.2M67.1%11,200
2026-09-211.4M2.4M60.8%11,795
2026-09-181.9M3.3M57.0%13,438
2026-09-171.3M2.1M61.8%1,288
2026-09-164.0M6.1M65.5%25,218
2026-09-156.0M8.8M67.6%15,101
2026-09-142.4M3.7M65.5%0
2026-09-112.2M3.1M72.0%5,302

Fails to deliver

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

As of 28 September 2026, the fails-to-deliver balance in OCGN is 15,066 shares, up 13,026 shares over the last settlement date. Over the last 30 readings it ranged from 65 shares (4 September 2026) to 381,853 shares (6 August 2026). The latest reading sits at the bottom of that range.

SettlementShares failedPriceValue
2026-09-2815,066$1.02$15K
2026-09-222,040$1.03$2K
2026-09-1817,102$1.03$18K
2026-09-10140,358$1.07$150K
2026-09-0921,762$1.33$29K
2026-09-0858,592$1.36$80K
2026-09-0465$1.35$88
2026-09-03134,336$1.32$177K
2026-09-0299,231$1.33$132K
2026-08-28440$1.37$603
2026-08-273,244$1.41$5K
2026-08-26455$1.40$637
2026-08-2550,006$1.36$68K
2026-08-24801$1.39$1K
2026-08-2120,574$1.39$29K
2026-08-2014,240$1.48$21K
2026-08-19495$1.34$663
2026-08-1719,692$1.35$27K
2026-08-132,858$1.40$4K
2026-08-10150$1.28$192
2026-08-0723,711$1.24$29K
2026-08-06381,853$1.28$489K
2026-08-05242$1.31$317
2026-08-0497,909$1.25$122K
2026-07-3037,034$1.19$44K
2026-07-29104,570$1.24$130K
2026-07-28743$1.26$936
2026-07-241,547$1.27$2K
2026-07-231,446$1.29$2K
2026-07-211,188$1.33$2K

Insider trades

SEC Form 4, newest first. JSON

Insiders at OCGN reported 4 open-market sells worth $1.1M in the last 90 days and no open-market buys. Latest filing: Musunuri Shankar (Chief Executive Officer) on 2026-10-09.

DateInsiderTitleTypeSharesPriceValueOwned after
2026-10-09Musunuri ShankarChief Executive OfficerSell57K$0.95$54K1.0M
2026-10-09Musunuri ShankarChief Executive OfficerSell469K$0.95$445K4.0M
2026-09-09Musunuri ShankarChief Executive OfficerSell57K$1.12$64K1.1M
2026-09-09Musunuri ShankarChief Executive OfficerSell469K$1.12$525K4.5M
2026-06-15Johnson-Greene Treerita EssalimaChief Financial OfficerBuy21K$1.23$26K521K
2026-04-01Zhang JungeDirectorExercise or conversion67K$1.42$95K1.4M
2026-04-01Zhang JungeDirectorExercise or conversion112K$0.46$52K1.3M
2026-04-01Zhang JungeDirectorExercise or conversion15K$0.51$8K1.2M
2026-01-02Ramachandran RameshChief Accounting OfficerGrant207K$0.00$0209K
2026-01-02Musunuri ShankarChief Executive OfficerGrant3.1M$0.00$05.0M
2025-01-03Musunuri ShankarChief Executive OfficerTax withholding177K$0.89$158K1.8M
2025-01-03Upadhyay ArunSee RemarksTax withholding42K$0.89$37K306K
2024-11-26Fernandes PrabhavathiDirectorBuy10K$0.91$9K10K
2024-11-22Castillo KirstenDirectorBuy25K$0.91$23K75K
2024-09-16Upadhyay ArunSee RemarksTax withholding842$1.17$985348K
2024-06-17Upadhyay ArunSee RemarksTax withholding917$1.42$1K349K
2024-01-03Upadhyay ArunSee RemarksTax withholding42K$0.65$27K350K
2024-01-03Musunuri ShankarChief Executive OfficerTax withholding180K$0.65$117K2.0M
2023-09-16Upadhyay ArunSee RemarksTax withholding842$0.41$345391K
2023-06-16Upadhyay ArunChief Scientific OfficerTax withholding917$0.51$468392K
2023-06-14Zhang JungeDirectorBuy200K$0.50$100K1.1M
2023-02-16Musunuri ShankarChief Executive OfficerSell100K$1.08$108K2.2M
2023-02-16Musunuri ShankarChief Executive OfficerExercise or conversion100K$0.33$33K2.3M
2023-01-17Musunuri ShankarChief Executive OfficerExercise or conversion100K$0.51$51K2.3M
2023-01-17Musunuri ShankarChief Executive OfficerSell100K$1.28$128K2.2M
2023-01-03Musunuri ShankarChief Executive OfficerGrant1.5M$0.00$02.2M
2023-01-03Crespo JessicaCAO/SVP, FinanceGrant123K$0.00$0163K
2023-01-03Upadhyay ArunChief Scientific OfficerGrant316K$0.00$0400K
2023-01-03Musunuri ShankarChief Executive OfficerTax withholding38K$1.25$47K2.2M
2023-01-03Crespo JessicaCAO/SVP, FinanceTax withholding2K$1.25$2K161K
2023-01-03Upadhyay ArunChief Scientific OfficerTax withholding7K$1.25$9K393K
2022-12-16Musunuri ShankarChief Executive OfficerExercise or conversion96K$0.51$49K848K
2022-12-16Musunuri ShankarChief Executive OfficerSell96K$1.43$137K753K
2022-10-14Musunuri ShankarChief Executive OfficerSell100K$1.66$166K753K
2022-10-14Musunuri ShankarChief Executive OfficerExercise or conversion100K$0.51$51K853K
2022-10-06Kumar RameshDirectorSell5K$1.83$8K0
2022-10-06Kumar RameshDirectorExercise or conversion5K$0.51$2K5K
2022-08-11Castillo KirstenDirectorExercise or conversion42K$0.28$12K92K
2022-08-11Castillo KirstenDirectorSell42K$2.91$122K50K
2022-07-18Kumar RameshDirectorExercise or conversion8K$0.51$4K8K
2022-07-18Kumar RameshDirectorSell8K$2.57$19K0
2022-07-14Musunuri ShankarChief Executive OfficerSell150K$2.72$408K753K
2022-07-14Musunuri ShankarChief Executive OfficerExercise or conversion150K$0.33$50K903K
2022-05-13Musunuri ShankarChief Executive OfficerSell125K$1.92$240K753K
2022-05-13Musunuri ShankarChief Executive OfficerExercise or conversion125K$0.33$41K878K
2022-04-18Kumar RameshDirectorSell8K$2.83$21K0
2022-04-18Kumar RameshDirectorExercise or conversion8K$0.51$4K8K
2022-03-18Crespo JessicaCAO/SVP, FinanceGrant23K$0.00$040K
2022-03-16Musunuri ShankarChief Executive OfficerExercise or conversion82K$0.33$27K834K
2022-03-16Musunuri ShankarChief Executive OfficerSell82K$2.65$217K753K
2022-03-03Zhang JungeDirectorExercise or conversion39K$0.51$20K39K
2022-03-03Zhang JungeDirectorExercise or conversion49K$1.83$90K88K
2022-02-14Musunuri ShankarChief Executive OfficerSell90K$3.74$337K753K
2022-02-14Musunuri ShankarChief Executive OfficerExercise or conversion90K$0.33$30K843K
2022-01-18Kumar RameshDirectorExercise or conversion8K$0.51$4K8K
2022-01-18Kumar RameshDirectorSell8K$4.07$31K0
2022-01-03Musunuri ShankarChief Executive OfficerGrant347K$0.00$0753K
2022-01-03Subramanian SanjayChief Financial OfficerGrant126K$0.00$0161K
2021-12-16Musunuri ShankarChief Executive OfficerSell115K$5.22$600K1.1M
2021-12-16Potti ManishDirectorExercise or conversion32K$1.83$58K45K
2021-12-16Potti ManishDirectorExercise or conversion14K$0.51$7K14K
2021-11-16Musunuri ShankarChief Executive OfficerSell115K$8.04$925K1.3M
2021-11-16Zhang JungeDirectorExercise (in or at the money)2K$7.56$12K877K
2021-11-16Zhang JungeDirectorExercise (in or at the money)144K$2.77$398K875K
2021-11-03Zhang JungeDirectorSell150K$17.32$2.6M731K
2021-11-02Zhang JungeDirectorSell150K$15.75$2.4M882K
2021-11-02Castillo KirstenDirectorSell15K$15.00$225K50K
2021-11-02Potti ManishDirectorSell63K$15.07$956K28K
2021-11-02Kompella UdayDirectorSell25K$16.01$400K154K
2021-11-01Musunuri ShankarChief Executive OfficerExercise or conversion115K$0.51$59K521K
2021-11-01Musunuri ShankarChief Executive OfficerSell115K$14.15$1.6M406K
2021-11-01Kompella UdayDirectorSell25K$14.05$351K179K
2021-10-26Kompella UdayDirectorSell25K$12.05$301K204K
2021-10-26Subramanian SanjayChief Financial OfficerSell10K$11.07$111K36K
2021-10-25Kompella UdayDirectorSell46K$9.08$421K229K
2021-10-21Kompella UdayDirectorSell2K$9.01$17K276K
2021-10-20Kompella UdayDirectorSell2K$9.02$16K278K
2021-10-18Kumar RameshDirectorSell8K$8.13$61K0
2021-10-18Kumar RameshDirectorExercise or conversion8K$0.51$4K8K
2021-10-18Kompella UdayDirectorSell200K$8.41$1.7M279K
2021-10-15Subramanian SanjayChief Financial OfficerSell8K$9.96$80K46K
2021-10-15Subramanian SanjayChief Financial OfficerExercise or conversion8K$2.19$17K54K
2021-10-15Musunuri ShankarChief Executive OfficerSell125K$9.80$1.2M406K
2021-10-15Musunuri ShankarChief Executive OfficerExercise or conversion125K$0.33$41K531K
2021-09-15Musunuri ShankarChief Executive OfficerExercise or conversion125K$0.33$41K531K
2021-09-15Musunuri ShankarChief Executive OfficerSell125K$7.52$940K406K
2021-08-16Subramanian SanjayChief Financial OfficerSell30K$7.22$217K46K
2021-08-16Subramanian SanjayChief Financial OfficerExercise or conversion30K$0.34$10K76K
2021-07-30Kompella UdayDirectorExercise or conversion10K$1.83$18K561K
2021-07-30Kompella UdayDirectorSell10K$6.81$68K551K
2021-07-19Kumar RameshDirectorExercise or conversion8K$0.51$4K8K
2021-07-19Kumar RameshDirectorSell8K$6.40$48K0
2021-07-15Subramanian SanjayChief Financial OfficerSell31K$6.70$208K46K
2021-07-15Subramanian SanjayChief Financial OfficerExercise or conversion31K$0.34$11K77K
2021-06-25Kompella UdayDirectorExercise or conversion10K$1.83$18K561K
2021-06-25Kompella UdayDirectorSell10K$8.13$81K551K
2021-06-15Potti ManishDirectorExercise (in or at the money)96K$6.30$604K159K
2021-06-15Potti ManishDirectorSell68K$8.86$604K91K
2021-06-15Subramanian SanjayChief Financial OfficerSell31K$7.00$217K46K
2021-06-15Subramanian SanjayChief Financial OfficerExercise or conversion31K$0.34$11K77K

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

6 holders report 5% or more of OCGN in their latest filing, all on Schedule 13G (passive). The largest reported stake is BlackRock, Inc. at 8.0% of the class (26,952,492 shares), filed 2026-07-29 for an event on 2026-06-30.

FiledFormHolderSharesOf classEvent
2026-08-1313G/Ano. 1JANUS HENDERSON GROUP Ltd.parent holding company10.0M3.0%2026-06-30
2026-08-0713GSTATE STREET CORPORATIONparent holding company21.5M6.3%2026-06-30
2026-07-2913GBlackRock, Inc.parent holding company27.0M8.0%2026-06-30
2026-04-1413GMillennium Management LLCother entity17.1M5.2%2026-04-09
2026-04-1413GMillennium Group Management LLCother entity17.1M5.2%2026-04-09
2026-04-1413GIsrael A. Englanderindividual17.1M5.2%2026-04-09
2026-03-2713G/Ano. 1The Vanguard Groupinvestment adviser00.0%2026-03-13
2025-12-0813GJANUS HENDERSON GROUP PLCinvestment adviser, parent holding company20.0M6.0%2025-11-28

13F holders

Tracked managers holding OCGN at their latest 13F. JSON

4 of the 30 tracked managers held OCGN at their latest 13F, $26.7M in total at quarter-end prices. Millennium Management is the largest at $21.3M (0.0% of its portfolio) as of 2026-06-30. Over the prior quarter 1 added shares and 3 cut.

FundQuarterSharesValueOf portfolioChange in shares
Millennium Management2026-06-3013.9M$21.3M0.01%+216K
Two Sigma Investments2026-06-302.2M$3.4M0.00%-21K
Citadel Advisors2026-06-30783K$1.2M0.00%-2.0M
Point72 Asset Management2026-06-30478K$731K0.00%-357K

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

Ocugen 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 Ocugen (OCGN), SEC CIK 1372299, listed on Nasdaq, classified by the SEC as biological products, (no diagnostic substances). 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 2026-10-22.JSON and CSV
Fails to deliver
SEC fails-to-deliver dataSource: SEC.Twice a month, a few weeks after the half month ends. Latest 2026-09-28.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 2026-08-13.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
Earnings dates
SEC EDGAR 8-K filings (Item 2.02)Source: SEC.Twice a day. Reported dates come from the company's 8-K filings; the next date is marked as an estimate until the 8-K arrives. Latest 2026-08-06.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 2026-10-09.JSON and CSV
Company record
EDGAR filing index for CIK 1372299Ticker, 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.

Datasets

Frequently Asked Questions

How much of OCGN is sold short?
102,053,118 shares were held short at the 2026-09-30 settlement, 13.7 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 OCGN's daily short volume?
On 2026-10-22, 2,885,084 of the 4,463,648 OCGN shares reported to FINRA were sold short, 64.6% of the day's reported volume. Short volume is a flow for one day, not a position.
Does OCGN have fails to deliver?
The SEC's latest file shows 15,066 OCGN shares failed to deliver at settlement 2026-09-28. Fails are reported per settlement date and published twice a month with a lag.
Are OCGN insiders buying or selling?
Insiders at OCGN reported 4 open-market sells worth $1.1M in the last 90 days and no open-market buys. Latest filing: Musunuri Shankar (Chief Executive Officer) on 2026-10-09.
Who owns 5% or more of OCGN?
6 holders report 5% or more of OCGN in their latest filing, all on Schedule 13G (passive). The largest reported stake is BlackRock, Inc. at 8.0% of the class (26,952,492 shares), filed 2026-07-29 for an event on 2026-06-30.
Which tracked 13F managers own OCGN?
4 of the 30 tracked 13F managers held OCGN shares at their latest filing, $26.7M in all. The largest: Izzy Englander's Millennium Management (13.9M shares, $21.3M), Two Sigma Investments (2.2M shares, $3.4M), Ken Griffin's Citadel Advisors (783K shares, $1.2M), Steve Cohen's Point72 Asset Management (478K shares, $731K).

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