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EquitiesMajor holder changeIranHeldMedium impact

S.A. Market-Making Tak Taranj Fund cuts stake in YASS to 2.75%

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

Sep 19, 2026Stocksیاس

Recorded figures

Holder
صندوق .س .ا.بازارگردانی تاک ترنج
Stake now
2.75%
Stake before
7.25%
Change (points)
down 4.51 points
Shares held
27,493,191
Line crossed
5%

As of Sep 19, 2026

Official source

The instrument in this event

From Sep 19, 2026 to todayup5.30%

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 65.84% of the shares.

HolderSharesShare
Traded Investment Fund Index

1.3billion

56.52%
Mahur Fixed Income Securities Investment Fund

68.2million

2.97%
Khwarazmi Investment Group (Public)

54.8million

2.38%
S.A. Market-Making Tak Taranj Fund

35.7million

1.55%
Tamin Atieh Human Capital Pasargad (Private)

28.3million

1.23%
Afranmad Sustainable Investment Fund

27.3million

1.19%

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 19, 2026
Major holder changeStocksHeld

Tameshk Nama Roshd Investment Fund raises stake in YASS to 4.95%

The stake moved from 0% to 4.95%. From the shareholder register published by the Tehran Stock Exchange.

Holder
صندوق سرمایه گذاری تمشک نمادرشد
Stake now
4.95%
+3 more
As of Sep 19, 2026
All dayMedium impact
Sep 21, 2026
Major holder changeStocksHeld

Tameshk Nama Roshd Investment Fund raises stake in YASS to 7.29%

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

Holder
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Stake now
7.29%
+4 more
As of Sep 21, 2026
All dayLow impact
Sep 22, 2026
Major holder changeStocksHeld

S.A. Market-Making Tak Taranj Fund raises stake in YASS to 4.74%

The stake moved from 3.4% to 4.74%. From the shareholder register published by the Tehran Stock Exchange.

Holder
صندوق .س .ا.بازارگردانی تاک ترنج
Stake now
4.74%
+3 more
As of Sep 22, 2026
All dayLow impact
Sep 16, 2026
Major holder changeStocksHeld

S.A. Market-Making Tak Taranj Fund raises stake in YASS to 7.25%

The stake moved from 5.44% to 7.25%. From the shareholder register published by the Tehran Stock Exchange.

Holder
صندوق .س .ا.بازارگردانی تاک ترنج
Stake now
7.25%
+3 more
As of Sep 16, 2026
All dayMedium impact
Sep 16, 2026
Major holder changeStocksHeld

Khwarazmi Investment Group (Public) raises stake in YASS to 5.48%

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

Holder
شرکت گروه سرمایه گذاری خوارزمی -سهامی عام -
Stake now
5.48%
+4 more
As of Sep 16, 2026