Tahir Net Worth: Bloomberg Puts Mayapada's Founder $1.5 Billion Below Forbes as Bank Mayapada's Stock Nearly Halved
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6 min read
Tahir's net worth was $11.9 billion, per Forbes' listing of Indonesia's richest as of 24 October 2025, ranking him 6th richest in Indonesia. Seven weeks later, Forbes' own annual "Indonesia's 50 Richest 2025" list (10 December 2025) put him at $10.8 billion, 5th in the country. By mid-2026, Bloomberg's separate Billionaires Index had him lower still, at $9.3 billion (Rp166.49 trillion), still 6th nationally but 414th in the world, down $4.4 billion, or 32.1%, over the course of 2026. The founder of Mayapada Group, banking, hospitals, property and media, is also one of the most publicly recognized Indonesian billionaires for reasons that have nothing to do with any of those figures: the Tahir Foundation's large, heavily covered charitable giving.
| Publisher | Date | Figure | Note |
|---|---|---|---|
| Forbes (Indonesia rich list) | 24 October 2025 | $11.9 billion | #6 Indonesia |
| Forbes, "Indonesia's 50 Richest 2025" | 10 December 2025 | $10.8 billion | #5 Indonesia |
| Bloomberg Billionaires Index | reported 6 July 2026 | $9.3 billion (Rp166.49 trillion) | #6 Indonesia, #414 world, down $4.4bn (32.1%) in 2026 |
The two Forbes figures are a legitimate single-tracker before-and-after: same publisher, seven weeks apart, down about $1.1 billion. The Bloomberg figure is a separate tracker with its own methodology and is not treated here as a continuation of the Forbes timeline, only as disagreement: as of mid-2026, Forbes and Bloomberg differ on Tahir's wealth by roughly $1.5 billion, a gap Bloomberg's own reporting attributes to a 32.1% decline during 2026 rather than to a one-off valuation quirk.
A cluster of separately listed companies, not one holding company sitting on top of a single stock.
Tahir is the controlling shareholder of PT Bank Mayapada Internasional Tbk (MAYA), which he founded in 1989. As of a monthly shareholder registration report dated 31 July 2025, he held 5.06 billion shares directly, about 19.34% of the bank, with further Series A and Series B stakes (2.53% and 27.36% of paid-up capital) held through PT Mayapada Karunia, per Indopremier's reporting on that filing. He separately holds about 15.70% of PT Sona Topas Tourism Industry Tbk (SONA), the duty-free retailer, as of a 30 September 2023 disclosure, after buying roughly 13 million additional shares for Rp76.6 billion in December 2021. PT Sejahteraraya Anugerahjaya Tbk (SRAJ), which operates the Mayapada Hospital chain, and PT Maha Properti Indonesia Tbk (MPRO) are also IDX-listed under the group. None of MAYA, SRAJ, MPRO or SONA is in NetWort's curated ticker list yet, so all four are named here without a link.
Two of Tahir's listed companies had a rough stretch at the same time Bloomberg's tracker cut $4.4 billion from his fortune.
MAYA traded as low as Rp164 by 4 June 2026, down from a 52-week high of Rp334, a decline of more than half. Separately, SRAJ (Mayapada Hospital) reported a net loss of Rp199 billion for full-year 2025, up 746% from a Rp23.51 billion loss the year before, even as net revenue grew 10.63% to Rp2.58 trillion. That loss widened further into 2026: loss per share reached Rp7.40 in the first quarter, up from Rp2.33 a year earlier. Neither company has attributed the losses or the share-price decline to a single named event; the hospital group's widening loss has been attributed by market commentary to rising staff costs tied to facility expansion, not a revenue problem.
Less certain than a single figure suggests, and for a different reason than most profiles in this series. Tahir's wealth sits across at least four separately listed companies plus a set of wholly private units, so a tracker's total depends heavily on how it weighs each piece, not on one dominant stock's daily price. That is likely part of why Forbes and Bloomberg currently disagree by roughly $1.5 billion.
The Tahir Foundation's visibility is a separate axis entirely and should not be read as evidence about the size of his fortune either way. The foundation and Mayapada Group donated Rp52 billion toward COVID-19 relief across four provinces in March 2020, per The Jakarta Post, and the foundation has partnered with the Gates Foundation on health and family-planning programs in Indonesia since 2013. That giving is well documented and widely covered in Indonesian media, but neither Forbes nor Bloomberg's figures above are net of it, and none of it changes his controlling stakes in MAYA, SONA, SRAJ or MPRO.
Three things.
A fortune spread across several listed companies is harder for any single tracker to price consistently than a fortune anchored in one stock. Forbes and Bloomberg's roughly $1.5 billion gap on Tahir likely comes from differing assumptions across MAYA, SONA, SRAJ and MPRO at once, not from one number either publisher got wrong.
Public philanthropy and private net worth are separate ledgers. The Tahir Foundation's donations, documented back to 2013, are real and sourced, but they say nothing about whether his underlying stakes went up or down this year. Warren Buffett's published profile shows the opposite case: a fortune that falls by design, in his SEC-disclosed filings, because he is giving Berkshire shares away. Tahir's foundation activity runs alongside his stakes, not against them.
When a widely covered business posts a widening loss, check whether it changed the tracked net worth figure at all before assuming a connection. SRAJ's 2025 loss and MAYA's 2026 share-price decline both happened while Bloomberg's tracker fell, but neither company's own disclosures draw a direct line between the two, and this article does not draw one either.