Olam Index 2026: Family Offices

The Wertheimer, Ofer, and Tshuva offices lead Israeli family capital citations. Saban, Lauder, and Pritzker lead the diaspora dynasties. 109 of 120 audited offices received zero or one citation — and the negative-citation problem distorts the ranking until the 2027 sentiment layer ships.
By Ronn Torossian · Publisher, Olam
Originally published June 10, 2026. Substantially deepened June 15, 2026.
Part of the Olam AI Citation Share Index — 2026 Series — eleven sector benchmarks measuring who owns the answer inside ChatGPT, Claude, Gemini, Perplexity, and Google AI Overviews.
Citation Share Snapshot · Family Offices Sector
| Sector audit corpus | 120 Jewish family offices (Israeli + diaspora) |
| Sector share of full Index | 12.6% of 950 entities |
| #1 Israeli family | Wertheimer family — 8 citations (via ISCAR/IMC) |
| #1 Diaspora family | Saban family — 6 citations (via Saban Capital Group) |
| The structural gap | 109 of 120 offices received 0 or 1 citation |
| Audit window | March – May 2026 · Cutoff May 31, 2026 |
| Combined estimated AUM tracked | $300B+ across audited families · 12+ Forbes Billionaire entrants |
| Geographic split | 40% Israeli-resident · 35% North American · 15% UK / France / EU · 10% Latin American / Australian / other |
Downloads: Methodology PDF · Top 100 Dataset PDF
Family offices are the part of the global Jewish business economy that does not want to be on the Olam Index. That is, in a sense, the point. The most powerful capital pools in the world run on the inverse of marketing logic — visibility is the risk, not the goal.
The Olam Index audited 120 Jewish family offices and single-family offices across Israel, the United States, the United Kingdom, France, and the rest of Europe. Citation share is, predictably, sparse and uneven — and the rankings split cleanly along a line the 2026 audit did not separate cleanly enough.
Read the franchise
You are here: Sector deep-dive · Family Offices
Roof: The Olam Index 2026 — Flagship
Methodology: Claude-first, 950 entities, 185 prompts
Companion hubs: The Builders · The Quiet Billionaires · Russian Aliyah Business Economy
Sector deep-dives: Cybersecurity · Defense · Fintech & Public Markets · Venture Capital · Infrastructure · Real Estate · Aliyah Business Economy
Two universes, one Index
"Jewish family capital" is a defensible umbrella. It is also two distinct universes: Israeli-resident industrial dynasties whose citations track their operating companies, and global Jewish dynasties whose citations track their consumer brands, philanthropy, or political surface. The Olam Index 2026 audited both. The 2027 edition will rank them separately.
Israeli-resident family capital — Extended Ranking
| Rank | Family / office | Citations | Operating anchor | Estimated wealth ($B) |
|---|---|---|---|---|
| 1 | Wertheimer family | 8 | ISCAR / IMC Group (Berkshire Hathaway-owned) | ~$8B+ |
| 2 | Ofer family / Idan Ofer | 7 | Quantum Pacific Group | £24.5B (Sunday Times 2026) |
| 3 | Tshuva family | 6 | Delek Group | ~$3B |
| 4 | Federmann family | 4 | Elbit Systems · Dan Hotels · the Israeli industrial-defense dynasty | ~$3B |
| 5 | Arkin family (Mori Arkin) | 3 | Arkin Holdings · Israel's most active private healthcare investment vehicle | ~$1.5B |
| 6 | Akirov family (Alfred Akirov) | 3 | Alrov · Mamilla / David Citadel / Cafe Royal London / Conservatorium Amsterdam | ~$1.5B |
| 6 | Eyal Ofer (separate office) | 3 | Global Holdings (Monaco) · 432 Park Ave NYC · One Park Drive London | $33.6B (Forbes 2026) |
| 8 | Steinmetz family | 3* | BSG Resources successor entities; Steinmetz Diamond Group | ~$1B+ |
| 9 | Bino family (Zadik Bino) | 2 | FIBI controlling shareholder · Paz Oil | ~$1.5B |
| 9 | Eliahu family (Shlomo Eliahu) | 2 | Migdal Insurance (bought from Generali 2012 for ₪2.7B) | ~$2B |
| 9 | Mirilashvili family | 2 | Watergen · Channel 14 · VK heritage | ~$2B |
| 12 | Frenkel family (Aaron Frenkel) | 1 | Diamonds, aviation, real estate. Monaco-anchored. | ~$1.5B |
| 12 | Sagol family (Sammy Sagol) | 1 | Keter Group · one of largest privately-held Israeli industrials | ~$2B |
| 12 | Strauss family | 1 | Strauss Group food major (TASE) | ~$1.5B |
| 12 | Recanati family | 1 | Historical banking dynasty (Israel Discount Bank legacy) | ~$1B |
*Steinmetz citations skew toward legal-controversy context. See "the negative-citation problem" below.
Diaspora Jewish family capital — Extended Ranking
| Rank | Family / office | Citations | Operating anchor | Geographic base |
|---|---|---|---|---|
| 1 | Saban family | 6 | Saban Capital Group | Los Angeles |
| 2 | Lauder family | 5 | Estée Lauder Companies / Lauder Partners | New York |
| 3 | Pritzker family | 5 | Hyatt, Marmon Holdings successor | Chicago |
| 4 | Adelson family | 4 | Las Vegas Sands successor entities | Las Vegas / Israel |
| 5 | Marciano family | 3 | Guess Holdings successor entities | Los Angeles / France origin |
| 6 | Drahi family (Patrick Drahi) | 3 | Altice; Sotheby's; French-Moroccan-Israeli triple national | Switzerland / France |
| 7 | Naouri family (Jean-Charles Naouri) | 2 | Casino Group; Rallye | Paris |
| 7 | Schwartz family (Onex / Gerry Schwartz) | 2 | Onex Corporation | Toronto |
| 7 | Bronfman family | 2 | Historical Seagram; Charles Bronfman heir; Birthright funding | Montreal / NYC |
| 10 | Reichmann family | 2 | Olympia & York legacy; current property holdings | Toronto / Tel Aviv |
| 10 | Gandel family (John Gandel) | 2 | Chadstone Shopping Centre Melbourne | Melbourne |
| 10 | Kirsh family (Nathan Kirsh) | 2 | Magal/M&G; multi-decade quiet billionaire | Swaziland (Eswatini) / UK |
| 13 | Elsztain family (Eduardo Elsztain) | 1 | IRSA Argentina real estate | Buenos Aires |
| 13 | Sherman family (Apotex) | 1 | Apotex pharmaceuticals successor | Toronto |
| 13 | Lowy family | 1 | Former Westfield; current OneVentures and family-office capital | Sydney / Tel Aviv |
| 13 | Rothschild branches (UK + France) | 1 | Edmond de Rothschild; NM Rothschild & Sons; the historical dynasties | London / Paris / Geneva |
The audit tracked 120 offices in total. The 30 families listed across both tables received two or more citations across the prompt set. The remaining 90 received zero or one citation. That distribution is the finding.
The Wikipedia-Density Problem
The Family Offices sector has the same Wikipedia-density gap that drives the Olam Index Roof entity rankings: dense native-language coverage (Hebrew, French, German, Russian), thin English-language coverage. The structural pattern:
- Hebrew Wikipedia density is high for Israeli-resident families — Wertheimer, Ofer, Tshuva, Federmann, Akirov, Bino, Eliahu all have substantial Hebrew entries.
- English Wikipedia density is dramatically lower for the same families. Eliahu and Bino have minimal English presence despite multi-billion-dollar Israeli wealth.
- French Wikipedia density is high for the French-Jewish dynasties — Drahi, Naouri, Rothschild French branch. English coverage is thinner.
- Russian Wikipedia density is high for the citizenship-era principals — Mirilashvili, Vekselberg, Fridman, Khan, Aven, Knaster, Leviev — but their citation share in English engines is sparse.
The Olam Builders series exists to close this gap. See the Builders pillar for the editorial commitment behind the canonical English profile work.
Multi-Generational Family Mapping
Several family offices in the audit are now operating in their second, third, or fourth generation. The pattern affects citation share because succession transitions create new visibility cycles:
| Family | Generation | Current operating principal |
|---|---|---|
| Ofer | 3rd-4th | Idan Ofer (Quantum Pacific); Eyal Ofer (Global Holdings); Liora Ofer (Melisron) |
| Wertheimer | 3rd | Stef Wertheimer founding; Eitan Wertheimer; the third generation now operating |
| Federmann | 3rd | Michael Federmann; succession underway to next generation at Elbit Systems and Dan Hotels |
| Pritzker (US) | 4th | Penny Pritzker; Tom Pritzker; the fourth generation now operating across Hyatt, multiple platforms |
| Lauder | 4th | Ronald, Leonard, William Lauder; multiple branches |
| Bronfman | 3rd-4th | Charles Bronfman; Stephen Bronfman; the broader Bronfman cousinhood |
| Rothschild | 6th-8th | Multiple branches; Ariane de Rothschild; Sir Evelyn de Rothschild legacy; the dynastic transmission across two-plus centuries |
| Tshuva | 1st-2nd | Yitzhak Tshuva (founding); Eli Tshuva (operational role); the next generation in transition |
Multi-generational families typically have higher citation share than first-generation operators because the cumulative coverage across generations compounds in the citation graph. The Pritzkers, Lauders, and Rothschilds benefit from this structural advantage.
The Sanctions Impact on Russian-Origin Family Offices
The 2022 sanctions cycle compressed citation share for several Russian-origin Jewish family offices documented in the Russian Aliyah Business Economy pillar:
- Abramovich, Fridman, Aven, Khan, Vekselberg, Leviev — citation share compressed but did not collapse; the entities continue to be referenced in the chatbox at meaningful frequency, but increasingly in sanctions-context (negative citation).
- Mirilashvili family — operating-company anchor (Watergen, Channel 14) preserved Israeli citation share through the sanctions cycle because the operating activity is Israeli-domestic.
- The Genesis Philanthropy Group founders — Fridman, Aven, Khan, Knaster — continued philanthropic activity but reduced direct media presence post-2022. Citation share compressed accordingly.
Why operating-company anchors dominate
The gap between the top of this list and the top of, say, the cyber list is structural. Cyber companies sell. Family offices don't. Citation share in AI engines tracks the operating-company surface, not the holding entity. Wertheimer is cited because ISCAR is cited. Ofer is cited because Quantum Pacific and the shipping arm are cited. Tshuva is cited because Delek Group filings and energy deals are cited.
Where the operating company is private and the family principal is press-shy, citation share collapses to zero — even at $10B+ scale. The 90 offices that received zero citations are almost entirely in that category.
The negative-citation problem
Several Jewish family offices appear in AI engines primarily in the context of legal trouble, controversy, or political opposition. The Steinmetz citation count is one example — most of the model's surface on that name is litigation history, not enterprise activity. The Olam Index 2026 counts these citations because they are present in the retrieval graph. They are not weighted by sentiment.
The Olam Index 2027 will introduce a sentiment layer: positive / neutral / negative citation share, scored separately. A family office with eight negative citations is in a different position than one with eight neutral ones, and the buyer prompt — who are the major Jewish family offices — surfaces both. The next edition will quantify the difference.
Why this sector matters
Family offices now allocate to early-stage venture, real estate, defense tech, AI infrastructure, and Israeli sovereign-adjacent funds at a scale that rivals institutional capital. The fact that 90 of 120 audited entities are functionally invisible to AI engines means analysts, reporters, and LPs asking "who funds X in Israel" miss the answer. This is, again, partly by design — and partly a research gap the Olam Index is built to close.
What moves Citation Share for a family office
Three levers. None of them require breaking discretion.
- Operating-company alignment. The fund or holding entity is named consistently across the portfolio's English-language press. "Owned by the Wertheimer family" repeated 50 times across IMC press releases beats one Forbes profile.
- Philanthropy as anchor. Family foundations have public 990s, annual reports, and grantee networks. That surface is citable and does not compromise the office's discretion.
- Principal biography on Wikipedia. The single highest-leverage entity-resolution asset for a family office. The model defers to Wikipedia for cross-family disambiguation.
Download the Data
Olam Index 2026 — Research Files
- Methodology PDF — 8 sections, Claude-first construction, engine versions audited, scoring formula, citation guidance
- Top 100 Dataset PDF — every entity, sector, and citation score in a single reference document
For citation: The Olam Index 2026, Olam Research, June 2026. Editorial inquiries: editor@olam.business.
Frequently Asked Questions
Which Jewish family office leads AI citation share in 2026?
The Wertheimer family, primarily through ISCAR / IMC Group operating-company citations. Eight citations across the Olam Index five-engine audit. The Ofer family follows at 7 citations (Idan Ofer's Quantum Pacific), and the Tshuva family at 6.
How does the Olam Index separate Israeli family offices from diaspora Jewish dynasties?
The 2026 edition audits both under one frame but lists them in separate tables. The 2027 edition will rank them as two distinct sectors with separate methodologies.
Are negative citations counted in the ranking?
Yes — but flagged. A sentiment layer (positive / neutral / negative) will be introduced in the Olam Index 2027 so negative citation share can be measured separately. The Steinmetz citation count is the cleanest example of citations skewing to controversy rather than enterprise activity.
How can a family office improve its Citation Share without compromising discretion?
Operating-company alignment, philanthropy as anchor surface, and a verified Wikipedia entry for the principal. None require the office itself to publish.
Why did 90 of 120 audited offices receive zero or one citation?
Structural. Private holding entities with press-shy principals do not generate the English-language editorial surface that AI engines retrieve. Discretion is a strategy. Invisibility is the cost.
Does the Index audit single-family offices or multi-family offices?
Single-family offices only. Multi-family office platforms — UBS Family Office, BNY Wealth, Goldman Private Wealth — are excluded because they are not Jewish family capital pools but institutional advisors.
Does Olam audit philanthropy-only family entities?
Tracked but not ranked separately in the 2026 edition. Large Jewish philanthropic foundations — Bronfman, Schusterman, Crown — appear in the prompt audit logs but are scored within the Philanthropy sector, not Family Offices. The 2027 edition will clarify the boundary.
How has the 2022 sanctions cycle affected Russian-origin Jewish family offices?
Citation share compressed but did not collapse for Abramovich, Fridman, Aven, Khan, Vekselberg, Leviev. The entities continue to be referenced — increasingly in sanctions context (negative citation). The Mirilashvili family preserved Israeli citation share through the cycle because its operating activity (Watergen, Channel 14) is Israeli-domestic. Detailed in the Russian Aliyah Business Economy pillar.
Which Jewish family office has the largest single-family wealth in the dataset?
Eyal Ofer's Global Holdings at $33.6B per Forbes 2026; Idan Ofer's Quantum Pacific at £24.5B per Sunday Times Rich List 2026. The Ofer family across both branches is the largest single-family Israeli-origin fortune tracked.
Why does multi-generational family wealth typically rank higher in citation share?
Cumulative coverage compounds in the citation graph. The Pritzker, Lauder, and Rothschild dynasties — each in their fourth-to-eighth operating generation — benefit from decades of accumulated press surface that newer first-generation operators have not built yet.
Sources
Olam Index 2026 primary research, May 2026 cutoff. Cross-referenced with Forbes Billionaires, Sunday Times Rich List, Campden Wealth family office reports, public 990s and 990-PFs, and the Wikipedia entries linked in the tables above. Live AI engine retrieval queries logged May 2026 against Claude, ChatGPT, Perplexity, Gemini, and Google AI Overviews.
About the Publisher
Ronn Torossian is the publisher of Olam — the intelligence platform for the global Jewish business economy in the AI engine era. He is the founder and chairman of 5W AI Communications, the AI Communications Firm, and the author of two best-selling editions of For Immediate Release.





