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EquitiesMajor holder changeIranHeldLow impact

A.B. Mobarakeh Steel Development Investment Fund raises stake in TSCA to 1.11%

The stake moved from 0% to 1.11%. From the shareholder register published by the Tehran Stock Exchange.

Sep 21, 2026Stocksتوسکا

Recorded figures

Holder
صندوق سرمایه گذاری .ا.ب .توسعه فولادمبارکه
Stake now
1.11%
Stake before
0%
Change (points)
up 1.11 points
Shares held
73,496,844

As of Sep 21, 2026

Official source

The instrument in this event

From Sep 21, 2026 to todayup1.31%

Read from the adjusted series, so a capital increase or a cash dividend in between does not show as a drop.

Shareholder register

The Tehran exchange register, as of Oct 4, 2026. The named holders together hold 67.34% of the shares.

HolderSharesShare
Pure Energy Industries Steel (Private)

1.5billion

23.07%
Chaharmahal and Bakhtiari Auto Plate (Private)

536million

8.12%
Mines and Metals Development Investment (Public)

517million

7.83%
Saba Oil and Gas Development Supply Fund (Public)

304million

4.61%
Mihan Wealth Creation Investment (Private)

277million

4.20%
Tuka Steel Investment (Public)

188million

2.84%
PRX Basket - Company 71838 - Company 85560

164million

2.48%
Mobarakeh Steel Plate Cutting Industries (Private)

146million

2.21%
Mofid Market-Making Investment Fund

107million

1.62%
Integrated Social Marketplace Sarāmad Iraniyan

104million

1.57%
Kosha Algorithm Investment Fund

101million

1.53%
Foladza Zagros Chaharmahal Company (Private)

84.5million

1.28%
Novin Elektrodardakan Company (Private)

82.8million

1.25%
Iranians Investment (Private)

80.0million

1.21%
Tokail (Public)TORZ

79.3million

1.20%
Rahu Niru Aria (Private)

78.3million

1.19%
Capital Investment Risk-Taking of Mobarakeh Steel

75.2million

1.14%

Source: the Tehran exchange's daily shareholder register. The exchange names only holders at roughly one percent and above, so this is a floor on known ownership: the rest is spread across smaller holders it does not name.

Related events

All dayLow impact
Sep 21, 2026
Major holder changeStocksHeld

Chaharmahal and Bakhtiari Auto Plate (Private) raises stake in TSCA to 6.88%

The stake moved from 5.63% to 6.88%. From the shareholder register published by the Tehran Stock Exchange.

Holder
شرکت ورق خودروچهارمحال وبختیاری -سهامی خاص -
Stake now
6.88%
+3 more
As of Sep 21, 2026
All dayLow impact
Sep 21, 2026
Major holder changeStocksHeld

New major holder in TSCA: Foulad Metil (Private) at 1.16%

From the shareholder register published by the Tehran Stock Exchange.

Holder
شرکت فولادمتیل -سهامی خاص -
Stake now
1.16%
+1 more
As of Sep 21, 2026
All dayLow impact
Sep 22, 2026
Major holder changeStocksHeld

Major holder exits TSCA: Foulad Metil (Private)

The stake moved from 1.16% to 0%. From the shareholder register published by the Tehran Stock Exchange.

Holder
شرکت فولادمتیل -سهامی خاص -
Stake now
0%
+3 more
As of Sep 22, 2026
All dayLow impact
Sep 22, 2026
Major holder changeStocksHeld

Major holder exits TSCA: A.B. Mobarakeh Steel Development Investment Fund

The stake moved from 1.11% to 0%. From the shareholder register published by the Tehran Stock Exchange.

Holder
صندوق سرمایه گذاری .ا.ب .توسعه فولادمبارکه
Stake now
0%
+3 more
As of Sep 22, 2026
All dayLow impact
Sep 22, 2026
Major holder changeStocksHeld

PRX Portfolio-Company 71838--Company 02557 raises stake in TSCA to 3.67%

The stake moved from 0% to 3.67%. From the shareholder register published by the Tehran Stock Exchange.

Holder
PRXسبد-شرک71838--شرک02557-
Stake now
3.67%
+3 more
As of Sep 22, 2026