Although foreign investors still recorded a net sell of IDR 904.1 billion during the trading period of June 15–19, 2026, several stocks continued to attract significant foreign net buying activity.

Based on data from the Indonesia Stock Exchange (IDX), PT Merdeka Gold Resources Tbk (EMAS) recorded the largest foreign net buy accumulation during the week, reaching IDR 3.47 trillion. This surge was mainly driven by a large foreign negotiated transaction worth IDR 3.7 trillion.

In second place, PT Bank Central Asia Tbk (BBCA) posted a foreign net buy of IDR 915 billion. PT Bank Mandiri (Persero) Tbk (BMRI) followed with net purchases totaling IDR 327.2 billion.

Other stocks that also saw foreign accumulation include PT Intiland Development Tbk (DILD) with IDR 127.2 billion and PT Merdeka Copper Gold Tbk (MDKA) with IDR 94.2 billion.

Below are the 10 stocks with the largest foreign net buys during June 15–19, 2026:

• PT Merdeka Gold Resources Tbk (EMAS): IDR 3.47 trillion
• PT Bank Central Asia Tbk (BBCA): IDR 915 billion
• PT Bank Mandiri (Persero) Tbk (BMRI): IDR 327.2 billion
• PT Intiland Development Tbk (DILD): IDR 127.2 billion
• PT Merdeka Copper Gold Tbk (MDKA): IDR 94.2 billion
• PT Aneka Tambang (Persero) Tbk (ANTM): IDR 74.4 billion
• PT Timah Tbk (TINS): IDR 70.3 billion
• PT Bank Negara Indonesia (Persero) Tbk (BBNI): IDR 65.3 billion
• PT Mayora Indah Tbk (MYOR): IDR 55.6 billion
• PT Maha Properti Indonesia Tbk (MPRO): IDR 50 billion

Meanwhile, the Jakarta Composite Index (JCI) delivered a positive performance throughout June 15–19, 2026. On a weekly basis, the index rose 2.82% to 6,177.14, up from 6,007.66 in the previous week.

The market capitalization of the Indonesia Stock Exchange (IDX) also increased by 2.51% to IDR 10,788 trillion from IDR 10,524 trillion a week earlier. However, the average daily transaction value slightly declined by 1.02% to IDR 24.81 trillion, while average daily transaction frequency fell 10.33% to 2.24 million trades.

In Southeast Asia, the 2.82% gain placed Indonesia as the third-best performing stock market in the region, behind the Philippines, which rose 3.81%, and Singapore, which gained 3.32%.