Trading on the Indonesia Stock Exchange (IDX) last week, january 5-9, 2026, saw significant activity concentrated among a handful of brokerage firms, according to data from Stockbit.The top five firms – Stockbit Sekuritas Digital, Mandiri Sekuritas, UBS Sekuritas Indonesia, Mirae Asset Sekuritas Indonesia, and Maybank Sekuritas Indonesia – collectively facilitated the majority of transactions, offering a key snapshot of investor behavior. This report details the specific stocks driving volume for each broker, revealing trends in both buying and selling pressure across key sectors like commodities, banking and energy.
KABARBURSA.COM – Trading activity on the Indonesia Stock Exchange between January 5–9, 2026, was heavily concentrated among five brokerage firms based on transaction value.
Stockbit’s broker summary data reveals the stocks that were the primary focus of buying and selling activity for each brokerage during the week.
The top five brokers by transaction value were Stockbit Sekuritas Digital (XL), Mandiri Sekuritas (CC), UBS Sekuritas Indonesia (AK), Mirae Asset Sekuritas Indonesia (YP), and Maybank Sekuritas Indonesia (ZP).
All data is sourced from regular market transactions and includes classifications for all investor types.
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Stockbit Sekuritas Digital led the way with a total transaction value of IDR 42.9 trillion. Purchases totaled IDR 22.4 trillion and sales reached IDR 20.5 trillion, resulting in a net buy of approximately IDR 2.0 trillion. Transaction volume reached 120.4 billion shares across 12.6 million transactions.
XL’s largest purchase was PT Bumi Resources Tbk (BUMI), valued at IDR 443.5 billion for 9.6 billion shares at an average price of IDR 460 per share.
The firm also acquired PT Darma Henwa Tbk (DEWA) for IDR 276.5 billion, representing 3.4 billion shares at an average price of IDR 796.
PT Sinergi Inti Andalan Prima Tbk (INET) followed with purchases totaling IDR 173 billion for 2.9 billion shares at an average price of IDR 614.
Additional purchases by XL included PT Bank Mandiri (Persero) Tbk (BMRI) at IDR 137.7 billion and PT Raharja Energi Cepu Tbk (RATU) at IDR 99.3 billion.
On the selling side, XL divested from PT Aneka Tambang (Persero) Tbk (ANTM) for IDR 140 billion, PT Rukun Raharja (RAJA) for IDR 101 billion, PT Alamtri Resources Indonesia Tbk (ADRO) for IDR 97.8 billion, PT Amman Mineral Internasional Tbk (AMMN) for IDR 90.4 billion, and PT Bank Central Asia Tbk (BBCA) for IDR 64.3 billion.
Mandiri Sekuritas recorded a transaction value of IDR 29.5 trillion for the week, with purchases of IDR 14.4 trillion and sales of IDR 15.1 trillion. This resulted in a net sell of approximately IDR 707.5 billion. Total transaction volume was 53.3 billion shares across 3.3 million transactions.
Mandiri Sekuritas’ largest purchases were PT Sumber Alfaria Trijaya Tbk (AMRT) at IDR 96.4 billion, followed by BMRI at IDR 90.2 billion and ANTM at IDR 83.5 billion. The firm also purchased shares of PT Indika Energy Tbk (INDY) for IDR 65.5 billion and PT Petrosea Tbk (PTRO) for IDR 60.5 billion.
On the selling side, Mandiri Sekuritas’ largest divestments were AMMN at IDR 388 billion and RAJA at IDR 286.3 billion. Other sales included PT Telkom Indonesia (Persero) Tbk (TLKM) at IDR 109.6 billion, BBCA at IDR 77.1 billion, and PT Pantai Indah Kapuk Dua Tbk (PANI) at IDR 62.7 billion.
UBS Sekuritas Indonesia reported a total transaction value of IDR 25.1 trillion. Purchases reached IDR 12.9 trillion and sales totaled IDR 12.2 trillion, resulting in a net buy of approximately IDR 729.8 billion. Transaction volume was 30.0 billion shares across 2.2 million transactions.
UBS’ largest purchases were PT United Tractor Tbk (UNTR) at IDR 258.8 billion, followed by PT Astra International Tbk (ASII) at IDR 218.4 billion and RAJA at IDR 193.5 billion. The firm also purchased shares of BBRI for IDR 151.9 billion and PT Merdeka Copper Gold Tbk (MDKA) for IDR 123.9 billion.
On the selling side, UBS divested from BUMI for IDR 354.5 billion and DEWA for IDR 276.5 billion. Other sales included PT Bank Negara Indonesia (Persero) Tbk (BBNI) at IDR 144.3 billion, PT Bumi Resources Mineral Tbk (BRMS) at IDR 76.8 billion, and PT Archi Indonesia Tbk (ARCI) at IDR 62.1 billion.
Mirae Asset Sekuritas Indonesia recorded a transaction value of IDR 22.5 trillion. Purchases totaled IDR 11.2 trillion and sales reached IDR 11.3 trillion, resulting in a net sell of approximately IDR 148.1 billion. Transaction volume was 55.7 billion shares across 3.2 million transactions.
Mirae Asset’s largest purchases were BMRI at IDR 178.2 billion and BUMI at IDR 102 billion. RATU was also acquired for IDR 74.1 billion, followed by DEWA at IDR 61.8 billion and BBNI at IDR 55.3 billion.
The firm’s largest divestments were ANTM at IDR 156.1 billion. Sales also occurred in MDKA at IDR 80.6 billion, BBRI at IDR 77.8 billion, PT Solusi Sinergi Digital Tbk (WIFI) at IDR 63.1 billion, and INDY at IDR 57.8 billion.
Maybank Sekuritas Indonesia was the final broker in the top five. ZP recorded a transaction value of IDR 14.1 trillion during the same period. Purchases totaled IDR 7.5 trillion and sales reached IDR 6.6 trillion, resulting in a net buy of approximately IDR 860.3 billion. Transaction volume was 15.0 billion shares across 1.0 million transactions.
Maybank’s largest purchases were BBCA at IDR 226.7 billion. The firm also acquired BRMS for IDR 139.5 billion, PT Vale Indonesia Tbk (INCO) for IDR 131.5 billion, AMMN for IDR 130.5 billion, and TLKM for IDR 127 billion.
On the selling side, Maybank’s largest divestments were BMRI at IDR 514.9 billion. Other sales included BUMI at IDR 230.8 billion, PT Trimegah Bangun Persada Tbk (NCKL) at IDR 213.6 billion, DEWA at IDR 67.7 billion, and PT RMK Energy Tbk (RMKE) at IDR 33.6 billion.
The transaction data from these top five brokers highlights the actively traded stocks throughout the week, from both a buying and selling perspective. The data provides a snapshot of investor activity as market participants navigate current economic conditions.
Commodity-based stocks, banking, energy, and consumer goods repeatedly appeared on the lists of largest transactions. (*)
