RBB Fund, Inc. (ZTEN)
Management Company · XNYS · Series S000083564 · View on SEC EDGAR ↗
$49.41
As of Aug. 20, 2026
▼ -0.30 (-0.60%)
1-day change
$49.33 – $52.15
52-week range
- Net assets
- $30.3M
- Holdings
- 234
- As of
- May 31, 2026
- Top 10 holdings weight
- 7.23%
- Effective number of positions
- 188.6
- Positions above 1%
- 1
On this page
- Price chart The fund's market price over time, with technical overlays.
- Performance Total return, volatility, drawdown and other risk metrics.
- Fund flows Money flowing in and out of the fund each month, from N-PORT filings.
- Holdings Every position the fund currently holds, with weights.
- Sector breakdown How the fund's holdings split across market sectors.
- Institutional owners 13F institutions that report holding this ETF.
- Similar funds Other funds with overlapping holdings or comparable size.
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Performance as of Aug. 19, 2026
| Period | Price return | Total return |
|---|---|---|
| 1M | ▼ -2.86% | — |
| 3M | ▼ -2.86% | — |
| 6M | ▼ -4.10% | — |
| YTD | ▼ -3.12% | — |
| 1Y | ▼ -1.91% | — |
| 3Y | — | — |
| 5Y | — | — |
| Max since Feb. 27, 2024 | ▲ +0.27% | — |
- Volatility 1Y
- 5.74%
- Volatility 3Y
- —
- Max drawdown 3Y
- —
- Beta 3Y
- —
- Sharpe 1Y*
- -0.57
Total return is shown once dividend history for this fund has been collected — price return alone would duplicate it misleadingly. Returns are not benchmarked against an index. * Sharpe ratio is computed with a 0% risk-free rate.
Fund flows (SEC-reported)
- Last month (May 2026)
- +$0
- Quarter ending May 2026
- +$2.1M
- Trailing 12 months
- -$32.5M
Jun 2025 – May 2026
Based on the fund's own SEC Form N-PORT monthly flow disclosures (Item C.9 "Flow Information") — sales minus redemptions, reinvested distributions excluded. This is a different, independent metric from the "Net flows" estimate above (which is derived from daily shares-outstanding changes). SEC N-PORT filing lag is up to ~60 days; the most recent month/quarter may not yet be fully reflected.
Full composition 234 holdings
| Name | CUSIP | Value | % | Balance | Category | Country |
|---|---|---|---|---|---|---|
| VSP OPTICAL GROUP INC | 91836LAA0 | $128K | 0.42 | 130,000 | DBT | US |
| APOLLO GLOBAL MANAGEMENT | 03769MAG1 | $128K | 0.42 | 127,000 | DBT | US |
| COLONIAL ENTERPRISES INC | 19565CAB6 | $128K | 0.42 | 128,000 | DBT | US |
| BROOKFIELD FINANCE INC | 11271LAQ5 | $128K | 0.42 | 130,000 | DBT | CA |
| SANTOS FINANCE LTD | 803014AC3 | $128K | 0.42 | 127,000 | DBT | AU |
| ESSEX PORTFOLIO LP | 29717PBD8 | $128K | 0.42 | 133,000 | DBT | US |
| TOTALENERGI CAP USA LLC | 89158TAC3 | $128K | 0.42 | 130,000 | DBT | US |
| NORTHERN TRUST CORP | 665859AZ7 | $128K | 0.42 | 131,000 | DBT | US |
| JOHNSON CONTROLS INTL PL | 478375AH1 | $128K | 0.42 | 121,000 | DBT | IE |
| PROTECTIVE LIFE CORP | 743674BG7 | $128K | 0.42 | 130,000 | DBT | US |
| MAPLE PARENT HLDS CO | 56530KAC0 | $128K | 0.42 | 127,000 | DBT | US |
| FLEX LTD | 33938XAG0 | $128K | 0.42 | 130,000 | DBT | SG |
| AMERICAN WATER CAPITAL C | 03040WBH7 | $128K | 0.42 | 128,000 | DBT | US |
| PRINCIPAL FINANCIAL GRP | 74251VAA0 | $128K | 0.42 | 120,000 | DBT | US |
| S&P GLOBAL INC | 78409VBR4 | $128K | 0.42 | 131,000 | DBT | US |
| GE HEALTHCARE TECH INC | 36266GAE7 | $128K | 0.42 | 131,000 | DBT | US |
| CANADIAN NATL RAILWAY | 136375DW9 | $128K | 0.42 | 130,000 | DBT | CA |
| META PLATFORMS INC | 30303MAD4 | $128K | 0.42 | 131,000 | DBT | US |
| LOCKHEED MARTIN CORP | 539830BK4 | $128K | 0.42 | 132,000 | DBT | US |
| PROCTER & GAMBLE CO/THE | 742718GQ6 | $128K | 0.42 | 132,000 | DBT | US |
| COMCAST CORP | 20030NBT7 | $128K | 0.42 | 152,000 | DBT | US |
| VIRGINIA ELEC & POWER CO | 927804GX6 | $128K | 0.42 | 130,000 | DBT | US |
| GLOBAL PAYMENTS INC | 37940XAY8 | $128K | 0.42 | 131,000 | DBT | US |
| CF INDUSTRIES INC | 12527GAL7 | $128K | 0.42 | 128,000 | DBT | US |
| VALERO ENERGY CORP | 91913YBG4 | $128K | 0.42 | 129,000 | DBT | US |
| CENTERPOINT ENER HOUSTON | 15189XBL1 | $128K | 0.42 | 130,000 | DBT | US |
| PFIZER INC | 717081FF5 | $128K | 0.42 | 129,000 | DBT | US |
| EQUINOR ASA | 29446MAP7 | $128K | 0.42 | 130,000 | DBT | NO |
| BAXTER INTERNATIONAL INC | 071813DE6 | $128K | 0.42 | 129,000 | DBT | US |
| PUBLIC SERVICE COLORADO | 744448DE8 | $128K | 0.42 | 129,000 | DBT | US |
| AMRIZE FINANCE US LLC | 43475RAU0 | $128K | 0.42 | 113,000 | DBT | US |
| MERCK & CO INC | 58933YBZ7 | $128K | 0.42 | 130,000 | DBT | US |
| VERTIV HOLDINGS CO | 92537NAA6 | $128K | 0.42 | 131,000 | DBT | US |
| TRAVELERS COS INC | 792860AK4 | $128K | 0.42 | 113,000 | DBT | US |
| METLIFE INC | 59156RCR7 | $128K | 0.42 | 129,000 | DBT | US |
| BROOKFIELD ASSET MANAGEM | 113004AC9 | $128K | 0.42 | 130,000 | DBT | CA |
| TELEFONICA EMISIONES SAU | 87938WAC7 | $128K | 0.42 | 115,000 | DBT | ES |
| CONSTELLATION BRANDS INC | 21036PBT4 | $128K | 0.42 | 131,000 | DBT | US |
| WESTERN MIDSTREAM OPERAT | 958667AJ6 | $127K | 0.42 | 128,000 | DBT | US |
| O'REILLY AUTOMOTIVE INC | 67103HAP2 | $127K | 0.42 | 129,000 | DBT | US |
| EXELON CORP | 30161NBV2 | $127K | 0.42 | 131,000 | DBT | US |
| AETNA INC | 00817YAF5 | $127K | 0.42 | 117,000 | DBT | US |
| CHARLES SCHWAB CORP | 808513CL7 | $127K | 0.42 | 131,000 | DBT | US |
| VERISK ANALYTICS INC | 92345YAQ9 | $127K | 0.42 | 130,000 | DBT | US |
| UNITEDHEALTH GROUP INC | 91324PAR3 | $127K | 0.42 | 121,000 | DBT | US |
| UNUM GROUP | 91529YAU0 | $127K | 0.42 | 129,000 | DBT | US |
| SOUTHERN CO | 842587CW5 | $127K | 0.42 | 138,000 | DBT | US |
| ROYAL CARIBBEAN CRUISES | 78017TAB9 | $127K | 0.42 | 128,000 | DBT | LR |
| MSCI INC | 55354GAS9 | $127K | 0.42 | 131,000 | DBT | US |
| EBAY INC | 278642BE2 | $127K | 0.42 | 129,000 | DBT | US |
Page 4
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Sector breakdown
Other/Unmapped
100.0%
Institutional owners (13F) 8 filers
Institutions that report holding this ETF in their quarterly SEC Form 13F. Long positions only; a single filer may appear twice for separate option legs. Large offsetting put/call legs typically reflect market-making or hedged inventory, not directional conviction.
| Institution | Value | % of tracked 13F | Shares | Type | As of |
|---|---|---|---|---|---|
| F/m Investments LLC | $18,029,314 | 41.96% | 357,654 | Shares | June 30, 2026 |
| Lido Advisors, LLC | $17,127,168 | 39.86% | 339,685 | Shares | June 30, 2026 |
| Crew Capital Management, Ltd | $3,880,730 | 9.03% | 76,967 | Shares | June 30, 2026 |
| CITADEL ADVISORS LLC | $1,825,028 | 4.25% | 36,196 | Shares | June 30, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | $1,248,820 | 2.91% | 24,768 | Shares | June 30, 2026 |
| JANE STREET GROUP, LLC | $860,984 | 2.00% | 17,076 | Shares | June 30, 2026 |
| Pillar Financial Advisors, LLC | $727 | 0.00% | 14 | Shares | June 30, 2026 |
| FIDUCIARY FINANCIAL ADVISORS | $52 | 0.00% | 1 | Shares | June 30, 2026 |
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