Bachtiar Karim Net Worth: $4.2 Billion, Split Between Three Brothers
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7 min read
Bachtiar Karim's net worth is anchored to a $4.2 billion family fortune, per Forbes' "Indonesia's 50 Richest 2025" list, published 10 December 2025, which ranked the Karim family 18th nationally. The listing covers "Bachtiar Karim & family," the label Forbes uses for the three brothers who run Musim Mas, the palm oil group their father started as a soap factory in 1932. Forbes separately tracks brother Bahari Karim on its real-time billionaires list at $1.3 billion as of 5 August 2026, a dated, individual figure that shows how much of the family total sits with just one sibling and how little is confirmed as Bachtiar's own share.
Forbes' "Indonesia's 50 Richest 2025" list, published 10 December 2025, placed "Bachtiar Karim & family" 18th nationally at $4.2 billion. That is a family listing, not a personal one. Forbes also runs a separate real-time profile for brother Bahari Karim, a director at Musim Mas, showing $1.3 billion as of 5 August 2026, rank #2858 on Forbes' 2026 Billionaires list, the only dated, individual dollar figure this series found for any single Karim brother.
Forbes separately maintains a real-time profile for Bachtiar Karim himself, placing him at rank #2481 on the same 2026 Billionaires list, but this run's research did not find a standalone dollar figure attached to that rank, so the article states the rank only rather than inventing a number to match it, the same pattern already used in this series for Theodore Rachmat's and Amancio Ortega's Forbes real-time ranks. No dated Bloomberg Billionaires Index figure naming Bachtiar Karim, or any Karim brother, was found despite several searches. Several generic net-worth-aggregator sites list figures ranging from $1.4 billion to $2 billion, but none cites a primary tracker with a date, so none of those figures appears here.
| Family member | Role at Musim Mas | Figure | Publisher and date |
|---|---|---|---|
| Bachtiar Karim & family | Chairman and CEO (Bachtiar); family listing | $4.2 billion, 18th in Indonesia | Forbes, 10 December 2025 |
| Bahari Karim | Director | $1.3 billion, individual | Forbes, 5 August 2026 |
| Bachtiar Karim (individual profile) | Chairman and CEO | Rank #2481, no dollar figure found | Forbes 2026 Billionaires list |
Musim Mas is privately held, so there is no share price to check the way this series can for a listed fortune. What is on the record: the group traces back to the Nam Cheong Soap Factory, founded in 1932 by Bachtiar's father, Anwar Karim. The family opened Indonesia's first palm oil refinery in 1970 and formally established Musim Mas two years later. Today it is a vertically integrated palm oil group spanning plantations, refining, specialty fats, oleochemicals and biodiesel, operating in 14 countries with more than 43,000 employees and $8.2 billion in 2024 revenue, per the company's own corporate materials. Bachtiar runs it as chairman and chief executive alongside brothers Burhan and Bahari.
The family has also diversified outside palm oil into hospitality real estate through Invictus Developments, its property arm. Standard Hotels & Resorts signed a deal with Invictus for a Singapore hotel, reported by TravelNewsAsia at the time. Forbes' own profile of the family separately describes a $117 million purchase of the Royal Darby Park Executive Suites site from Singaporean developer Asok Hiranandani's Royal Group in 2019. Neither Musim Mas nor any Karim-family entity appears in NetWort's curated ticker universe (checked against frontend/scripts/curated-tickers.mjs and backend/app/services/asset_symbol_service.py), consistent with a privately held group that has never listed shares, so this article carries no internal asset links.
Two forces pulled at a palm-oil fortune like this one in 2026, and neither shows up as a single stock move, because Musim Mas has no stock. Crude palm oil prices firmed through the year: the global average rose from $1,264.65 a tonne in the first quarter of 2026 to $1,334.00 in the second, a 5.5% gain, per CME Group's Palm Oil Monthly Update, with the second half expected to hold between $1,300 and $1,500 a tonne. Indonesia's mandatory B50 biodiesel rule, raising the palm oil content of subsidized diesel from 40% to 50%, took effect 1 July 2026 and is expected to pull an additional 3 to 3.5 million tonnes of palm oil into domestic biodiesel production, per industry reporting at the time.
Alongside that tailwind, Musim Mas Group absorbed three separate 2026 legal matters, all at the corporate level. The largest by far traces to a 2022 corruption case over CPO export permits issued from January 2021 to March 2022, alongside Wilmar Group and Permata Hijau Group. Indonesia's Supreme Court granted the Attorney General's cassation appeal in a ruling delivered 15 September 2025, per Bisnis.com, ordering compensation of Rp11.8 trillion from Wilmar (since paid in full), Rp4.89 trillion from Musim Mas Group and Rp937.55 billion from Permata Hijau. Musim Mas and Permata Hijau jointly sought more time to pay the remaining Rp4.4 trillion, reported into early 2026 by Tempo and Inilah.com. Separately, Riau's police named PT Musim Mas a corporate suspect around 19 May 2026 over illegal oil-palm planting inside the required riverbank buffer zone along the Air Hitam River in Pelalawan, with estimated ecological losses of Rp187.8 billion, per Elaeis.co, Tempo and Antara's reporting at the time; the company says the site holds valid permits. And on 21 May 2026, Indonesia's Finance Minister, Purbaya Yudhi Sadewa, named Musim Mas Group among ten palm oil exporter groups under review for allegedly under-invoicing CPO shipments to Singapore-based affiliates, a case Indonesian authorities elevated to a formal investigation on 30 May 2026, with searches conducted at the group's Jakarta office and a Tangerang warehouse.
Musim Mas has no listed shares in Bachtiar Karim's name or the group's own, so no tracker can price it the way this series has priced a fortune built on one stock. Forbes' $4.2 billion figure is a private-company valuation estimate, not a market price, and it is shared across three brothers rather than assigned to one. That the same publisher separately puts a dated, individual figure on only one of those brothers, Bahari, at $1.3 billion, without ever publishing Bachtiar's own share, is itself the clearest evidence of how loosely the family total maps onto any single Karim. Layered on top, Musim Mas Group now carries a Rp4.89 trillion compensation order and two open 2026 legal matters, all corporate rather than personal, but all capable of showing up in a future private-company valuation in ways no outside tracker has priced in yet as of this writing.
A private, family-run conglomerate with no listed stock is close to the hardest kind of fortune in this series to pin to one number, let alone one person. When a headline net-worth figure is attached to a surname rather than a single name, check whether the source is pricing a private company's value split across several relatives, the way Forbes does here, before treating it as any one person's balance sheet.
For more on how family structures and private holdings complicate a headline net-worth number elsewhere in this series, see: