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Swelect Energy Systems bulk deals, insider trading and stake changes

NSE: SWELECTESBSE: 532051Electrical EquipmentSmall Cap

Formerly Numeric Power Systems
Last close ₹595.45up ₹10.75 (1.84%)BSE ₹593.05

Share price at the NSE close on 23 Oct 2026. Previous close ₹584.70.

52-week range of traded prices to 23 Oct 2026
₹483.10Low, 30 Mar 2026₹849.90High, 23 Oct 2025
Market cap
₹903 Cr1,541st largest listed
P/E
21.6
P/B
1.0
Dividend yield
0.59%
ROE
4.7%
ROCE
5.0%
Debt to equity
0.84
Volume, NSE
51,28258.4% delivered

Promoter and insider buying and selling

Trades made since 23 Oct 2025.Swelect Energy Systems promoter holding

Bought on the market Sold on the market
  • Directors and key managers2 purchases, 0 sales₹1.17 CrNo saleNet₹1.17 Cr
  • Others: no market trade
Bought and sold count trades on the market only. A pledge is shares given to a lender as security for a loan; a lender invokes it by selling them.

Swelect Energy Systems insider trading

The latest 100 of 223 disclosures on record.Insider trading, all companies

  1. Sep 2026

    • D Thirumoorthy₹0.06 Cr1,000 sharesSold or invoked · Designated Person · 28 Sep 2026 · disclosed 7 Oct
    • D Thirumoorthy₹0.01 Cr200 sharesBought · Designated Person · 28 Sep 2026 · disclosed 7 Oct
    • ARULKUMAR PUDUR₹0.21 Cr3,500 sharesBought · Director · 28 Sep 2026 · disclosed 30 Sep · stake 0.11% before, 0.13% after
    • Arulkumar Pudur Shanmugasundaram₹0.97 Cr16,501 sharesBought · Designated Person · 24 Sep 2026 · disclosed 6 Oct
    • ARULKUMAR PUDUR₹0.97 Cr16,501 sharesBought · Director · 23 Sep 2026 · disclosed 29 Sep · held none before, holds 16,501 after, stake 0.11% after
    • D Thirumoorthy₹0.09 Cr1,513 sharesBought · Designated Person · 21 Sep 2026 · disclosed 6 Oct
    • D Thirumoorthy₹0.08 Cr1,413 sharesSold or invoked · Designated Person · 21 Sep 2026 · disclosed 6 Oct
    • D Thirumoorthy₹0.04 Cr720 sharesSold or invoked · Designated Person · 4 Sep 2026 · disclosed 30 Sep
    • D Thirumoorthy₹0.06 Cr1,040 sharesBought · Designated Person · 4 Sep 2026 · disclosed 30 Sep
  2. Aug 2026

    • D Thirumoorthy₹0.07 Cr1,240 sharesBought · Designated Person · 28 Aug 2026 · disclosed 30 Sep
    • D Thirumoorthy₹0.04 Cr660 sharesSold or invoked · Designated Person · 28 Aug 2026 · disclosed 30 Sep
  3. Dec 2019

    • R. CHELLAPPAN₹0.05 Cr4,184 sharesBought · Promoters · 30 Dec 2019 · disclosed 31 Dec · stake 48.77% before, 48.80% after
    • R. CHELLAPPAN₹0.09 Cr8,000 sharesBought · Promoters · 27 Dec 2019 · disclosed 31 Dec · stake 48.72% before, 48.77% after
    • R. CHELLAPPAN₹39,369354 sharesBought · Promoters · 26 Dec 2019 · disclosed 31 Dec · stake 48.72% before, 48.72% after
    • R. CHELLAPPAN₹0.03 Cr2,905 sharesBought · Promoters · 24 Dec 2019 · disclosed 31 Dec · stake 48.70% before, 48.72% after
    • R. CHELLAPPAN₹0.02 Cr1,500 sharesBought · Promoters · 23 Dec 2019 · disclosed 31 Dec · stake 48.69% before, 48.70% after
    • R. CHELLAPPAN₹63,028569 sharesBought · Promoters · 20 Dec 2019 · disclosed 31 Dec · stake 48.69% before, 48.69% after
    • R. CHELLAPPAN₹24,376235 sharesBought · Promoters · 17 Dec 2019 · disclosed 31 Dec · stake 48.69% before, 48.69% after
    • R. CHELLAPPAN₹88,481854 sharesBought · Promoters · 16 Dec 2019 · disclosed 31 Dec · stake 48.68% before, 48.69% after
    • R. CHELLAPPAN₹34,715342 sharesBought · Promoters · 13 Dec 2019 · disclosed 31 Dec · stake 48.68% before, 48.68% after
  4. Aug 2019

    • BonusEvery 2 shares became 3 on 22 Aug 2019. The lines below are on the share count before it.
    • V. C. Mirunalini₹0.04 Cr1,873 sharesBought · Promoter Group · 20 Aug 2019 · disclosed 22 Aug · stake 0.44% before, 0.46% after
    • V. C. Mirunalini₹0.01 Cr627 sharesBought · Promoter Group · 19 Aug 2019 · disclosed 22 Aug · stake 0.43% before, 0.44% after
  5. Jan 2019

    • R. CHELLAPPAN₹0.02 Cr600 sharesBought · Promoters · 14 Jan 2019 · disclosed 16 Jan · stake 48.67% before, 48.68% after
    • R. CHELLAPPAN₹0.02 Cr560 sharesBought · Promoters · 11 Jan 2019 · disclosed 16 Jan · stake 48.67% before, 48.67% after
    • R. CHELLAPPAN₹4,92618 sharesBought · Promoters · 10 Jan 2019 · disclosed 16 Jan · stake 48.67% before, 48.67% after
    • R. CHELLAPPAN₹67,400250 sharesBought · Promoters · 9 Jan 2019 · disclosed 16 Jan · stake 48.66% before, 48.67% after
    • R. CHELLAPPAN₹94,937348 sharesBought · Promoters · 8 Jan 2019 · disclosed 16 Jan · stake 48.66% before, 48.66% after
    • R. CHELLAPPAN₹68,476250 sharesBought · Promoters · 7 Jan 2019 · disclosed 16 Jan · stake 48.66% before, 48.66% after
    • R. CHELLAPPAN₹0.01 Cr500 sharesBought · Promoters · 4 Jan 2019 · disclosed 16 Jan · stake 48.65% before, 48.66% after
    • R. CHELLAPPAN₹69,810250 sharesBought · Promoters · 3 Jan 2019 · disclosed 16 Jan · stake 48.65% before, 48.65% after
    • R. CHELLAPPAN₹69,999250 sharesBought · Promoters · 2 Jan 2019 · disclosed 16 Jan · stake 48.65% before, 48.65% after
  6. Dec 2018

    • R. CHELLAPPAN₹54,075200 sharesBought · Promoters · 31 Dec 2018 · disclosed 16 Jan 2019 · stake 48.65% before, 48.65% after
    • R. CHELLAPPAN₹67,487251 sharesBought · Promoters · 28 Dec 2018 · disclosed 16 Jan 2019 · stake 48.64% before, 48.65% after
    • R. CHELLAPPAN₹67,243249 sharesBought · Promoters · 28 Dec 2018 · disclosed 16 Jan 2019 · stake 48.64% before, 48.64% after
    • R CHELLAPPAN₹0.01 Cr500 sharesBought · Promoters · 27 Dec 2018 · disclosed 28 Dec · stake 48.64% before, 48.64% after
    • R CHELLAPPAN₹60,895225 sharesBought · Promoters · 26 Dec 2018 · disclosed 28 Dec · stake 48.63% before, 48.64% after
    • R CHELLAPPAN₹66,966250 sharesBought · Promoters · 24 Dec 2018 · disclosed 28 Dec · stake 48.63% before, 48.63% after
    • R CHELLAPPAN₹38,559145 sharesBought · Promoters · 21 Dec 2018 · disclosed 28 Dec · stake 48.63% before, 48.63% after
    • R CHELLAPPAN₹0.01 Cr409 sharesBought · Promoters · 20 Dec 2018 · disclosed 28 Dec · stake 48.63% before, 48.63% after
    • R CHELLAPPAN₹67,979250 sharesBought · Promoters · 19 Dec 2018 · disclosed 28 Dec · stake 48.62% before, 48.63% after
    • R CHELLAPPAN₹2711 sharesBought · Promoters · 19 Dec 2018 · disclosed 28 Dec · stake 48.63% before, 48.63% after
    • R CHELLAPPAN₹5,34720 sharesBought · Promoters · 18 Dec 2018 · disclosed 28 Dec · stake 48.62% before, 48.62% after
    • R CHELLAPPAN₹68,401250 sharesBought · Promoters · 18 Dec 2018 · disclosed 28 Dec · stake 48.62% before, 48.62% after
    • R CHELLAPPAN₹67,836250 sharesBought · Promoters · 17 Dec 2018 · disclosed 28 Dec · stake 48.62% before, 48.62% after
    • R CHELLAPPAN₹39,420147 sharesBought · Promoters · 14 Dec 2018 · disclosed 28 Dec · stake 48.62% before, 48.62% after
    • R CHELLAPPAN₹17,24064 sharesBought · Promoters · 13 Dec 2018 · disclosed 28 Dec · stake 48.62% before, 48.62% after
    • R CHELLAPPAN₹0.01 Cr436 sharesBought · Promoters · 13 Dec 2018 · disclosed 28 Dec · stake 48.61% before, 48.62% after
    • R CHELLAPPAN₹0.01 Cr500 sharesBought · Promoters · 12 Dec 2018 · disclosed 28 Dec · stake 48.61% before, 48.61% after
    • R CHELLAPPAN₹78,998299 sharesBought · Promoters · 11 Dec 2018 · disclosed 28 Dec · held 48,11,806 before, holds 48,12,105 after
    • R CHELLAPPAN₹0.03 Cr1,000 sharesBought · Promoters · 10 Dec 2018 · disclosed 11 Dec · stake 48.59% before, 48.60% after
    • R CHELLAPPAN₹0.01 Cr500 sharesBought · Promoters · 7 Dec 2018 · disclosed 11 Dec · stake 48.59% before, 48.59% after
    • R CHELLAPPAN₹0.01 Cr500 sharesBought · Promoters · 6 Dec 2018 · disclosed 11 Dec · stake 48.58% before, 48.59% after
    • R CHELLAPPAN₹0.01 Cr500 sharesBought · Promoters · 5 Dec 2018 · disclosed 11 Dec · stake 48.58% before, 48.58% after
    • R CHELLAPPAN₹0.01 Cr500 sharesBought · Promoters · 4 Dec 2018 · disclosed 11 Dec · stake 48.57% before, 48.58% after
Earlier, Dec 2017 to Nov 2018
  1. Nov 2018

    • R CHELLAPPAN₹0.01 Cr500 sharesBought · Promoters · 30 Nov 2018 · disclosed 11 Dec · stake 48.57% before, 48.57% after
    • R CHELLAPPAN₹0.01 Cr500 sharesBought · Promoters · 29 Nov 2018 · disclosed 11 Dec · stake 48.56% before, 48.57% after
    • V. C. Mirunalini₹26,583100 sharesBought · Promoter Group · 28 Nov 2018 · disclosed 22 Aug 2019 · stake 0.43% before, 0.43% after
    • R CHELLAPPAN₹0.01 Cr500 sharesBought · Promoters · 28 Nov 2018 · disclosed 11 Dec · stake 48.56% before, 48.56% after
  2. Oct 2018

    • V. C. Mirunalini₹26,785100 sharesBought · Promoter Group · 11 Oct 2018 · disclosed 22 Aug 2019 · stake 0.43% before, 0.43% after
    • V. C. Mirunalini₹26,986100 sharesBought · Promoter Group · 9 Oct 2018 · disclosed 22 Aug 2019 · stake 0.43% before, 0.43% after
    • V. C. Mirunalini₹36,173133 sharesBought · Promoter Group · 8 Oct 2018 · disclosed 22 Aug 2019 · stake 0.43% before, 0.43% after
    • R CHELLAPPAN₹0.03 Cr1,000 sharesBought · Promoters · 5 Oct 2018 · disclosed 8 Oct · stake 48.55% before, 48.56% after
    • R CHELLAPPAN₹0.01 Cr500 sharesBought · Promoters · 4 Oct 2018 · disclosed 8 Oct · stake 48.54% before, 48.55% after
    • R CHELLAPPAN₹0.03 Cr1,000 sharesBought · Promoters · 1 Oct 2018 · disclosed 8 Oct · stake 48.53% before, 48.54% after
  3. Sep 2018

    • V. C. Mirunalini₹54,982200 sharesBought · Promoter Group · 28 Sep 2018 · disclosed 22 Aug 2019 · stake 0.43% before, 0.43% after
    • R CHELLAPPAN₹0.01 Cr500 sharesBought · Promoters · 28 Sep 2018 · disclosed 8 Oct · stake 48.53% before, 48.53% after
    • V. C. Mirunalini₹91,384330 sharesBought · Promoter Group · 27 Sep 2018 · disclosed 22 Aug 2019 · stake 0.42% before, 0.43% after
    • R CHELLAPPAN₹0.01 Cr500 sharesBought · Promoters · 27 Sep 2018 · disclosed 8 Oct · stake 48.52% before, 48.53% after
    • V. C. Mirunalini₹77,387270 sharesBought · Promoter Group · 26 Sep 2018 · disclosed 22 Aug 2019 · stake 0.42% before, 0.42% after
    • R CHELLAPPAN₹0.02 Cr528 sharesBought · Promoters · 26 Sep 2018 · disclosed 8 Oct · stake 48.52% before, 48.52% after
    • V. C. Mirunalini₹0.01 Cr400 sharesBought · Promoter Group · 25 Sep 2018 · disclosed 22 Aug 2019 · stake 0.42% before, 0.42% after
    • R CHELLAPPAN₹0.02 Cr845 sharesBought · Promoters · 25 Sep 2018 · disclosed 27 Sep · stake 48.51% before, 48.52% after
    • R CHELLAPPAN₹0.03 Cr1,000 sharesBought · Promoters · 24 Sep 2018 · disclosed 27 Sep · stake 48.50% before, 48.51% after
    • R CHELLAPPAN₹0.02 Cr820 sharesBought · Promoters · 21 Sep 2018 · disclosed 27 Sep · stake 48.49% before, 48.50% after
    • R CHELLAPPAN₹0.02 Cr500 sharesBought · Promoters · 19 Sep 2018 · disclosed 27 Sep · stake 48.49% before, 48.49% after
    • R CHELLAPPAN₹60,617202 sharesBought · Promoters · 18 Sep 2018 · disclosed 27 Sep · stake 48.49% before, 48.49% after
    • R CHELLAPPAN₹0.02 Cr500 sharesBought · Promoters · 17 Sep 2018 · disclosed 27 Sep · stake 48.48% before, 48.49% after
    • R CHELLAPPAN₹0.01 Cr385 sharesBought · Promoters · 14 Sep 2018 · disclosed 17 Sep · stake 48.48% before, 48.48% after
    • V. C. Mirunalini₹73,323244 sharesBought · Promoter Group · 12 Sep 2018 · disclosed 22 Aug 2019 · stake 0.42% before, 0.42% after
    • R CHELLAPPAN₹0.03 Cr1,000 sharesBought · Promoters · 12 Sep 2018 · disclosed 17 Sep · stake 48.47% before, 48.48% after
    • A. BALAN₹0.02 Cr500 sharesBought · Promoters · 12 Sep 2018 · disclosed 14 Sep · stake 3.07% before, 3.08% after
    • R CHELLAPPAN₹26,32488 sharesBought · Promoters · 11 Sep 2018 · disclosed 17 Sep · stake 48.46% before, 48.46% after
    • R CHELLAPPAN₹0.01 Cr488 sharesBought · Promoters · 11 Sep 2018 · disclosed 17 Sep · stake 48.46% before, 48.47% after
    • R CHELLAPPAN₹30,461100 sharesBought · Promoters · 10 Sep 2018 · disclosed 17 Sep · stake 48.46% before, 48.46% after
    • R CHELLAPPAN₹30,765100 sharesBought · Promoters · 10 Sep 2018 · disclosed 17 Sep · stake 48.46% before, 48.46% after
    • R CHELLAPPAN₹0.01 Cr425 sharesBought · Promoters · 7 Sep 2018 · disclosed 17 Sep · stake 48.46% before, 48.46% after
    • A. BALAN₹56,034181 sharesBought · Promoters · 7 Sep 2018 · disclosed 14 Sep · stake 3.07% before, 3.07% after
    • R CHELLAPPAN₹0.01 Cr394 sharesBought · Promoters · 6 Sep 2018 · disclosed 17 Sep · stake 48.45% before, 48.46% after
    • A. BALAN₹43,422140 sharesBought · Promoters · 6 Sep 2018 · disclosed 14 Sep · stake 3.07% before, 3.07% after
    • R CHELLAPPAN₹0.02 Cr500 sharesBought · Promoters · 5 Sep 2018 · disclosed 17 Sep · stake 48.45% before, 48.45% after
    • A. BALAN₹61,881200 sharesBought · Promoters · 4 Sep 2018 · disclosed 14 Sep · stake 3.07% before, 3.07% after
    • R CHELLAPPAN₹0.02 Cr500 sharesBought · Promoters · 4 Sep 2018 · disclosed 5 Sep · stake 48.44% before, 48.45% after
    • A. BALAN₹26,05384 sharesBought · Promoters · 3 Sep 2018 · disclosed 14 Sep · stake 3.07% before, 3.07% after
    • R CHELLAPPAN₹66,063213 sharesBought · Promoters · 3 Sep 2018 · disclosed 5 Sep · stake 48.44% before, 48.44% after
    • R CHELLAPPAN₹88,796287 sharesBought · Promoters · 3 Sep 2018 · disclosed 5 Sep · stake 48.44% before, 48.44% after
  4. Aug 2018

    • A. BALAN₹56,138181 sharesBought · Promoters · 31 Aug 2018 · disclosed 14 Sep · stake 3.07% before, 3.07% after
    • A. BALAN₹5,89319 sharesBought · Promoters · 31 Aug 2018 · disclosed 14 Sep · stake 3.07% before, 3.07% after
  5. Feb 2018

    • A. BALAN₹0.04 Cr1,000 sharesBought · Promoters · 22 Feb 2018 · disclosed 14 Sep · stake 3.06% before, 3.07% after
  6. Dec 2017

    • A. BALAN₹0.02 Cr500 sharesBought · Promoters · 15 Dec 2017 · disclosed 14 Sep 2018 · stake 3.05% before, 3.06% after
    • A. BALAN₹62,375134 sharesBought · Promoters · 14 Dec 2017 · disclosed 14 Sep 2018 · stake 3.05% before, 3.05% after

Trades by the company's promoters, directors, key managers, employees and their relatives, as each disclosed them. Value is what the filer stated; the mode is shown where the shares moved off the market.

Swelect Energy Systems stake sales and purchases

All 2 disclosures on record.

  1. Aug 2019

    • BonusEvery 2 shares became 3 on 22 Aug 2019. The lines below are on the share count before it.
  2. Sep 2017

    • AcquiredR Chellappan · promoter0.02% of the company2,139 sharesholds 48.15% after22 Sep 2017 · filed under the 2% rule · Open Market
    • AcquiredR. Chellapan · promoter0.47% of the company47,861 sharesholds 48.13% after8 Sep 2017 · filed under the 2% rule · Open Market

The 5% rule: an investor discloses on reaching 5% of the company. The 2% rule: a holder of 5% or more discloses each change of 2% or more, including one that takes it below 5%. A transfer exempt from an open offer, the offer to buy from every other shareholder that a large purchase otherwise brings, is disclosed too. Each line shows what its filing states, which can be a smaller change than its rule names.

Swelect Energy Systems bulk deals

None in the last 12 months, since 23 Oct 2025.Today's bulk and block deals, all companies

ValuePer cent of the company

Friday 12 Sep 20251 firm · ₹7.28 Cr bought · ₹7.28 Cr soldNet nil
  • Both waysGRAVITON RESEARCH CAPITAL LLPBought 80,974 at ₹899.12Sold 80,974 at ₹899.100.53% of the companyNet nil₹7.28 Cr bought
Thursday 5 Sep 20241 firm · ₹16 Cr bought · ₹16 Cr soldNet sold ₹0.02 Cr
  • Both waysGRAVITON RESEARCH CAPITAL LLPBought 1,32,299 at ₹1,231.78Sold 1,32,299 at ₹1,233.480.87% of the companyNet nil₹16 Cr bought
Wednesday 7 Feb 20241 firm · ₹11 Cr bought · ₹11 Cr soldNet nil
  • Both waysGRAVITON RESEARCH CAPITAL LLPBought 1,15,946 at ₹922.59Sold 1,15,946 at ₹922.510.76% of the companyNet nil₹11 Cr bought
Wednesday 24 Jan 20241 firm · ₹23 Cr bought · ₹23 Cr soldNet sold ₹0.03 Cr
  • Both waysGRAVITON RESEARCH CAPITAL LLPBought 2,90,691 at ₹782.22Sold 2,90,691 at ₹783.111.92% of the companyNet nil₹23 Cr bought
Wednesday 20 Sep 20231 firm · ₹7.77 Cr bought · ₹7.78 Cr soldNet sold ₹0.01 Cr
  • Both waysGRAVITON RESEARCH CAPITAL LLPBought 1,18,458 at ₹655.98Sold 1,18,458 at ₹657.010.78% of the companyNet nil₹7.77 Cr bought
Tuesday 1 Aug 20231 firm · ₹2.65 Cr bought · ₹4.79 Cr soldNet sold ₹2.13 Cr
  • Both waysPATEL WEALTH ADVISORS PRIVATE LIMITEDBought 42,247 at ₹628.31Sold 83,577 at ₹572.700.55% of the companyNet −41,330 shares₹2.65 Cr bought
BonusEvery 2 shares became 3 on 22 Aug 2019. The lines below are on the share count before it.
Tuesday 10 Jul 20121 firm · ₹1.40 Cr bought · ₹1.63 Cr soldNet sold ₹0.23 Cr
  • Both waysGAJANAN ENTERPRISESBought 45,902 at ₹305.42Sold 53,188 at ₹306.170.53% of the companyNet −7,286 shares₹1.40 Cr bought
Tuesday 12 Oct 20101 firm · ₹1.85 Cr bought · ₹0 soldNet bought ₹1.85 Cr
  • BoughtRELIANCE CAP ASSET MGT LTD AC PMSBought 53,857 at ₹343.03₹1.85 Cr
BonusEach share became 2 on 14 Oct 2009. The lines below are on the share count before it.
Friday 21 Sep 20072 firms · ₹2.70 Cr bought · ₹2.68 Cr soldNet bought ₹0.03 Cr
  • BoughtPRINCIPAL TRUSTEE CO PVT LTDBought 60,421 at ₹447.51₹2.70 Cr
  • SoldRELIANCE CAPITAL TRUSTEE CO LTDSold 59,857 at ₹447.50₹2.68 Cr
Tuesday 21 Aug 20071 firm · ₹0 bought · ₹2.01 Cr soldNet sold ₹2.01 Cr
  • SoldM M MURARKA SHARE AND SEC PVT LTDSold 50,000 at ₹401.10₹2.01 Cr
Thursday 5 Apr 20072 firms · ₹1.28 Cr bought · ₹1.28 Cr soldNet nil
  • BoughtM M MURARKA SHARE AND SECBought 38,400 at ₹333.00₹1.28 Cr
  • SoldRAGHUVALIKA TRADING PVT LSold 38,400 at ₹333.00₹1.28 Cr

A bulk deal is one client trading half a per cent or more of the shares in a day; a block deal is a large trade in the exchange's separate block window, its buyer and its seller each on a line of their own. A firm that bought and sold the shares the same day is on one line, with its net. All 19 deals on record from 4 Jan 2004.