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EquitiesMajor holder changeIranHeldMedium impact

PRX Portfolio-Company 71838--Company 02557 raises stake in TSCA to 5.12%

Crossed the 5% line. From the shareholder register published by the Tehran Stock Exchange.

Sep 26, 2026Stocksتوسکا

Recorded figures

Holder
PRXسبد-شرک71838--شرک02557-
Stake now
5.12%
Stake before
4.76%
Change (points)
up 0.36 points
Shares held
337,695,261
Line crossed
5%

As of Sep 26, 2026

Official source

The instrument in this event

From Sep 26, 2026 to todayup0.79%

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 26, 2026
Major holder changeStocksHeld

Major holder exits TSCA: Mofid Market-Making Investment Fund

The stake moved from 1.08% to 0%. From the shareholder register published by the Tehran Stock Exchange.

Holder
صندوق سرمایه گذاری .ا.بازارگردانی مفید
Stake now
0%
+3 more
As of Sep 26, 2026
All dayMedium impact
Sep 27, 2026
Major holder changeStocksHeld

PRX Portfolio-Company 71838--Company 02557 cuts stake in TSCA to 3.13%

Crossed the 5% line. From the shareholder register published by the Tehran Stock Exchange.

Holder
PRXسبد-شرک71838--شرک02557-
Stake now
3.13%
+4 more
As of Sep 27, 2026
All dayLow impact
Sep 27, 2026
Major holder changeStocksHeld

New major holder in TSCA: PRX Basket - Company 71838 - Company 85560 at 2.48%

From the shareholder register published by the Tehran Stock Exchange.

Holder
PRXسبد-شرک71838--شرک85560-
Stake now
2.48%
+1 more
As of Sep 27, 2026
All dayLow impact
Sep 28, 2026
Major holder changeStocksHeld

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

The stake moved from 1.29% 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 28, 2026
All dayLow impact
Sep 28, 2026
Major holder changeStocksHeld

PRX Portfolio-Company 71838--Company 02557 cuts stake in TSCA to 1.45%

The stake moved from 3.13% to 1.45%. From the shareholder register published by the Tehran Stock Exchange.

Holder
PRXسبد-شرک71838--شرک02557-
Stake now
1.45%
+3 more
As of Sep 28, 2026