EquitiesMajor holder changeIranHeldLow impact

A. Market-Making Karun Investment Fund raises stake in SPTF to 6.82%

The stake moved from 5.26% to 6.82%. From the shareholder register published by the Tehran Stock Exchange.

Sep 28, 2026Farabourseسپنتارود

Recorded figures

Holder: صندوق سرمایه گذاری .ا.بازارگردانی کارون
Stake now: 6.82%
Stake before: 5.26%
Change (points): up 1.57 points
Shares held: 13,648,428

As of Sep 28, 2026

Official source

The instrument in this event

SPTFSPTF · Farabourse · Oct 5, 2026, 1:25 PM17,364 Rial0.13%

From Sep 28, 2026 to today0.66%

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 42.04% of the shares.

Holder	Shares	Share
Sepah Investment (Public)	29.9million	14.93%
A. Market-Making Karun Investment Fund	22.1million	11.03%
Natural Person Portfolio	8.3million	4.13%
Mehr Ayandegun Financial Group (Public)MEAZ	6.0million	3.02%
Aksir Suda Investment Fund	5.8million	2.89%
Sepehr Capital Supply (Private)	5.0million	2.50%
Market Development Civilization Market-Making Fund (Public)	2.6million	1.30%
Traded Investment Fund Index	2.5million	1.26%
Novin Capital Supply Company (Public)	2.0million	1.00%

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

Major holder changeFarabourseHeld

A. Market-Making Karun Investment Fund raises stake in SPTF to 7.85%

The stake moved from 6.82% to 7.85%. From the shareholder register published by the Tehran Stock Exchange.

Holder: صندوق سرمایه گذاری .ا.بازارگردانی کارون
Stake now: 7.85%

All dayMedium impact

Major holder changeFarabourseHeld

A. Market-Making Karun Investment Fund raises stake in SPTF to 5.26%

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

Holder: صندوق سرمایه گذاری .ا.بازارگردانی کارون
Stake now: 5.26%

All dayMedium impact

Major holder changeFarabourseHeld

Mehr Ayandegun Financial Group (Public) cuts stake in SPTF to 3.02%

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

Holder: شرکت گروه توسعه مالی مهرآیندگان -سهامی عام -
Stake now: 3.02%

All dayLow impact

Major holder changeFarabourseHeld

Major holder exits SPTF: Mobtakaran Tower Foundation Trade Engineering (Private)

The stake moved from 1.44% to 0%. From the shareholder register published by the Tehran Stock Exchange.

Holder: شرکت بازرگانی مهندسی مبتکران برج بنیان س .خ
Stake now: 0%

All dayLow impact

Major holder changeFarabourseHeld

A. Market-Making Karun Investment Fund raises stake in SPTF to 9.16%

The stake moved from 7.65% to 9.16%. From the shareholder register published by the Tehran Stock Exchange.

Holder: صندوق سرمایه گذاری .ا.بازارگردانی کارون
Stake now: 9.16%