Fidelity Dynamic Buffered Equity ETF (FBUF) Holdings
FBUF holdings summary
as of Oct 23, 2026- Holdings
- 162 positions listed
- Top 10 weight
- 37.0% of net assets
- Effective holdings
- 40 equal-weight equivalent
- Largest holding
- NVDA 7.69% NVIDIA Corporation
- Annual turnover
- — of the portfolio traded
All FBUF holdings
| # | Name | ||||||
|---|---|---|---|---|---|---|---|
| 1 | NVDA | NVIDIA Corporation | Technology | 7.69% | $2.1M | $5.17T | 27.1 |
| 2 | AAPL | Apple Inc. | Technology | 7.03% | $1.9M | $5.01T | 39.4 |
| 3 | MSFT | Microsoft Corporation | Technology | 4.81% | $1.3M | $3.93T | 29.5 |
| 4 | AMZN | Amazon.com, Inc. | Consumer Cyclical | 3.99% | $1.1M | $2.70T | 20.1 |
| 5 | GOOGL | Alphabet Inc. | Communication Services | 2.99% | $826,037.74 | $4.17T | 17.1 |
| 6 | AVGO | Broadcom Inc. | Technology | 2.54% | $700,639.77 | $1.57T | 43.3 |
| 7 | META | Meta Platforms, Inc. | Communication Services | 2.44% | $673,579.63 | $1.81T | 26.7 |
| 8 | GOOG | Alphabet Inc. | Communication Services | 1.99% | $548,733.35 | $4.12T | 16.9 |
| 9 | BRK.B | Berkshire Hathaway Inc. | Financial Services | 1.84% | $507,908.67 | $1.14T | 13.4 |
| 10 | LLY | Eli Lilly and Company | Healthcare | 1.69% | $465,649.61 | $1.12T | 42.2 |
| 11 | JPM | JPMorgan Chase & Co. | Financial Services | 1.68% | $463,111.86 | $902.16B | 14.2 |
| 12 | MU | Micron Technology, Inc. | Technology | 1.54% | $424,935.26 | $994.34B | 11.8 |
| 13 | V | Visa Inc. | Financial Services | 1.18% | $326,321.59 | $755.84B | 34.3 |
| 14 | MA | Mastercard Incorporated | Financial Services | 1.16% | $321,328.85 | $540.87B | 34.0 |
| 15 | XOM | Exxon Mobil Corporation | Energy | 1.13% | $311,784.70 | $735.95B | 23.0 |
| 16 | TSLA | Tesla, Inc. | Consumer Cyclical | 1.05% | $288,917.36 | $1.40T | 328.4 |
| 17 | ABBV | AbbVie Inc. | Healthcare | 1.00% | $274,849.40 | $504.37B | 80.6 |
| 18 | CSCO | Cisco Systems, Inc. | Technology | 0.96% | $265,112.16 | $423.39B | 32.2 |
| 19 | UNH | UnitedHealth Group Incorporated | Healthcare | 0.95% | $262,519.24 | $360.32B | 25.8 |
| 20 | AMD | Advanced Micro Devices, Inc. | Technology | 0.85% | $234,355.73 | $863.17B | 134.9 |
| 21 | BAC | Bank of America Corporation | Financial Services | 0.85% | $233,197.19 | $358.24B | 12.2 |
| 22 | COST | Costco Wholesale Corporation | Consumer Defensive | 0.82% | $225,970.12 | $438.30B | 47.6 |
| 23 | INTC | Intel Corporation | Technology | 0.76% | $209,667.83 | $474.96B | — |
| 24 | GILD | Gilead Sciences, Inc. | Healthcare | 0.76% | $209,419.57 | $193.67B | — |
| 25 | CVX | Chevron Corporation | Energy | 0.75% | $206,026.71 | $441.34B | 21.2 |
| 26 | MRK | Merck & Co., Inc. | Healthcare | 0.74% | $203,599.30 | $360.08B | 115.8 |
| 27 | GEV | GE Vernova Inc. | Industrials | 0.73% | $201,061.55 | $245.35B | 26.4 |
| 28 | GCP | General Electric Company | Other | 0.73% | $200,399.53 | — | — |
| 29 | AMAT | Applied Materials, Inc. | Technology | 0.70% | $194,468.91 | $324.81B | 35.3 |
| 30 | PGR | The Progressive Corporation | Financial Services | 0.68% | $186,993.58 | $126.81B | 11.0 |
| 31 | RTX | RTX Corporation | Industrials | 0.67% | $183,931.73 | $261.36B | 34.1 |
| 32 | BMY | Bristol-Myers Squibb Company | Healthcare | 0.67% | $183,711.06 | $122.05B | 13.2 |
| 33 | WMT | Walmart Inc. | Consumer Defensive | 0.66% | $182,000.84 | $945.50B | 43.0 |
| 34 | UBER | Uber Technologies, Inc. | Technology | 0.65% | $179,683.76 | $143.69B | 15.4 |
| 35 | APH | Amphenol Corporation | Technology | 0.64% | $175,628.88 | $195.67B | 39.7 |
| 36 | ADBE | Adobe Inc. | Technology | 0.64% | $175,242.70 | $95.43B | 13.7 |
| 37 | REGN | Regeneron Pharmaceuticals, Inc. | Healthcare | 0.62% | $172,318.77 | $81.41B | 19.6 |
| 38 | SCHW | The Charles Schwab Corporation | Financial Services | 0.62% | $171,601.58 | $159.03B | 15.7 |
| 39 | TT | Trane Technologies plc | Industrials | 0.61% | $169,560.34 | $100.97B | 34.2 |
| 40 | WFC | Wells Fargo & Company | Financial Services | 0.61% | $169,091.41 | $251.75B | 11.8 |
| 41 | QCOM | QUALCOMM Incorporated | Technology | 0.59% | $163,298.72 | $183.79B | 19.9 |
| 42 | MS | Morgan Stanley | Financial Services | 0.58% | $161,367.82 | $283.60B | 14.3 |
| 43 | BNY | The Bank of New York Mellon Corporation | Financial Services | 0.57% | $158,581.81 | $97.23B | 15.9 |
| 44 | MMM | 3M Company | Industrials | 0.57% | $158,085.30 | $84.97B | 29.3 |
| 45 | JNJ | Johnson & Johnson | Healthcare | 0.56% | $155,299.29 | $615.87B | 38.8 |
| 46 | PLTR | Palantir Technologies Inc. | Technology | 0.56% | $154,857.94 | $447.04B | 160.4 |
| 47 | MO | Altria Group, Inc. | Consumer Defensive | 0.56% | $153,920.08 | $125.41B | 15.8 |
| 48 | ABT | Abbott Laboratories | Healthcare | 0.56% | $153,699.40 | $181.50B | 33.8 |
| 49 | FTNT | Fortinet, Inc. | Technology | 0.55% | $152,292.61 | $124.09B | 59.8 |
| 50 | CAT | Caterpillar Inc. | Industrials | 0.54% | $149,782.44 | $335.91B | 31.5 |
| 51 | KO | The Coca-Cola Company | Consumer Defensive | 0.54% | $149,589.35 | $404.01B | 28.2 |
| 52 | ABNB | Airbnb, Inc. | Consumer Cyclical | 0.52% | $144,210.42 | $104.01B | 39.6 |
| 53 | NUE | Nucor Corporation | Basic Materials | 0.50% | $138,803.91 | $58.15B | 20.4 |
| 54 | SRE | Sempra | Utilities | 0.50% | $138,279.81 | $54.54B | 24.1 |
| 55 | SNDK | Sandisk Corporation | Technology | 0.50% | $138,086.72 | $187.78B | 17.6 |
| 56 | PFE | Pfizer Inc. | Healthcare | 0.50% | $137,590.20 | $168.60B | 38.9 |
| 57 | T | AT&T Inc. | Communication Services | 0.49% | $136,404.08 | $160.62B | 7.7 |
| 58 | AMT | American Tower Corporation | Real Estate | 0.48% | $133,149.14 | $86.33B | 25.5 |
| 59 | AME | AMETEK, Inc. | Industrials | 0.48% | $131,990.60 | $56.90B | 36.3 |
| 60 | NXPI | NXP Semiconductors N.V. | Technology | 0.48% | $131,576.84 | $57.83B | 19.6 |
| 61 | CRWD | CrowdStrike Holdings, Inc. | Technology | 0.45% | $124,460.10 | $232.83B | — |
| 62 | CRM | Salesforce, Inc. | Technology | 0.44% | $121,729.26 | $198.10B | 22.0 |
| 63 | VLTO | Veralto Corporation | Industrials | 0.42% | $116,681.35 | $24.63B | 25.8 |
| 64 | ADI | Analog Devices, Inc. | Technology | 0.42% | $116,598.60 | $191.62B | 47.0 |
| 65 | HWM | Howmet Aerospace Inc. | Industrials | 0.42% | $115,191.80 | $88.12B | 47.6 |
| 66 | F | Ford Motor Company | Consumer Cyclical | 0.41% | $113,509.16 | $49.57B | — |
| 67 | GM | General Motors Company | Consumer Cyclical | 0.41% | $113,453.99 | $73.67B | 37.7 |
| 68 | WDC | Western Digital Corporation | Technology | 0.41% | $112,240.28 | $124.28B | 12.3 |
| 69 | LRCX | Lam Research Corporation | Technology | 0.41% | $112,047.20 | $330.30B | 45.8 |
| 70 | XYZ | Block, Inc | Technology | 0.40% | $109,288.77 | $46.80B | 139.1 |
| 71 | ALL | The Allstate Corporation | Financial Services | 0.39% | $108,930.18 | $62.68B | 5.0 |
| 72 | NTAP | NetApp, Inc. | Technology | 0.39% | $108,516.41 | $40.03B | 28.7 |
| 73 | JCI | Johnson Controls International plc | Industrials | 0.39% | $108,350.91 | $88.12B | 41.1 |
| 74 | BSX | Boston Scientific Corporation | Healthcare | 0.38% | $104,792.54 | $64.33B | 18.0 |
| 75 | ROST | Ross Stores, Inc. | Consumer Cyclical | 0.38% | $103,661.59 | $75.68B | 28.6 |
| 76 | CRH | CRH PLC | Basic Materials | 0.38% | $103,440.91 | — | — |
| 77 | CMCSA | Comcast Corporation | Communication Services | 0.36% | $98,944.68 | $77.72B | 7.1 |
| 78 | ECL | Ecolab Inc. | Basic Materials | 0.36% | $98,006.82 | $80.98B | 38.8 |
| 79 | KMI | Kinder Morgan, Inc. | Energy | 0.35% | $96,848.28 | $76.16B | 22.1 |
| 80 | CME | CME Group Inc. | Financial Services | 0.34% | $95,110.47 | $105.67B | 24.9 |
| 81 | KKR | KKR & Co. Inc. | Financial Services | 0.34% | $93,814.01 | $79.62B | 27.5 |
| 82 | COP | ConocoPhillips | Energy | 0.34% | $93,124.40 | $176.01B | 19.4 |
| 83 | LMT | Lockheed Martin Corporation | Industrials | 0.33% | $92,269.29 | $127.42B | 20.3 |
| 84 | PLD | Prologis, Inc. | Real Estate | 0.33% | $90,283.23 | $122.24B | 27.7 |
| 85 | U | Unity Software Inc. | Technology | 0.32% | $88,214.41 | $17.78B | — |
| 86 | MSI | Motorola Solutions, Inc. | Technology | 0.31% | $86,642.11 | $76.65B | 36.5 |
| 87 | CMC | Commercial Metals Company | Industrials | 0.31% | $86,062.84 | $7.19B | 11.1 |
| 88 | MNST | Monster Beverage Corporation | Consumer Defensive | 0.31% | $84,407.78 | $89.59B | 42.3 |
| 89 | PPL | PPL Corporation | Utilities | 0.29% | $80,601.16 | $26.47B | 20.8 |
| 90 | SYY | Sysco Corporation | Consumer Defensive | 0.29% | $80,573.57 | $40.45B | 21.9 |
| 91 | FDX | FedEx Corporation | Industrials | 0.29% | $80,352.90 | $69.47B | 15.8 |
| 92 | FISV | Fiserv, Inc. | Technology | 0.28% | $77,980.65 | $25.29B | 9.1 |
| 93 | STT | State Street Corporation | Financial Services | 0.28% | $77,815.15 | $45.52B | 13.5 |
| 94 | KEYS | Keysight Technologies, Inc. | Technology | 0.28% | $76,822.12 | $56.39B | 44.8 |
| 95 | DOCU | DocuSign, Inc. | Technology | 0.26% | $73,070.66 | $13.95B | 45.5 |
| 96 | HIG | The Hartford Financial Services Group, Inc. | Financial Services | 0.26% | $72,463.81 | $36.60B | 9.6 |
| 97 | ITW | Illinois Tool Works Inc. | Industrials | 0.26% | $72,353.47 | $77.55B | 24.7 |
| 98 | VEEV | Veeva Systems Inc. | Healthcare | 0.25% | $69,953.64 | $50.25B | 50.9 |
| 99 | LAMR | Lamar Advertising Company | Real Estate | 0.25% | $69,788.13 | $15.24B | 27.4 |
| 100 | VRSN | VeriSign, Inc. | Technology | 0.23% | $63,802.35 | $27.33B | 32.7 |
| 101 | OXY | Occidental Petroleum Corporation | Energy | 0.23% | $62,698.98 | $62.36B | 17.7 |
| 102 | FIX | Comfort Systems USA, Inc. | Industrials | 0.23% | $62,092.13 | $50.65B | 35.4 |
| 103 | INCY | Incyte Corporation | Healthcare | 0.22% | $61,678.37 | $22.92B | 14.4 |
| 104 | CZN | Crane Co | Other | 0.22% | $61,347.36 | — | — |
| 105 | LYFT | Lyft, Inc. | Technology | 0.22% | $61,099.10 | $6.37B | 2.5 |
| 106 | BKR | Baker Hughes Company | Energy | 0.20% | $55,885.68 | $55.29B | 17.9 |
| 107 | CIEN | Ciena Corporation | Technology | 0.20% | $54,975.40 | $47.18B | 74.4 |
| 108 | HUBS | HubSpot, Inc. | Technology | 0.19% | $53,127.25 | $11.52B | 82.5 |
| 109 | ACM | AECOM | Industrials | 0.18% | $50,286.07 | $7.59B | 20.8 |
| 110 | FIVE | Five Below, Inc. | Consumer Cyclical | 0.17% | $46,672.54 | $12.26B | 20.0 |
| 111 | AIT | Applied Industrial Technologies, Inc. | Industrials | 0.17% | $46,507.03 | $12.14B | 30.2 |
| 112 | TTC | The Toro Company | Industrials | 0.17% | $46,286.36 | $9.52B | 26.9 |
| 113 | CHYM | Chime Financial, Inc. | Technology | 0.16% | $45,403.66 | $11.23B | 33.7 |
| 114 | CRUS | Cirrus Logic, Inc. | Technology | 0.16% | $45,210.57 | $5.41B | 13.1 |
| 115 | PPB | Flutter Entertainment PLC | Other | 0.15% | $42,479.73 | — | — |
| 116 | CART | Instacart (Maplebear Inc.) | Consumer Cyclical | 0.15% | $42,341.81 | $11.83B | 27.2 |
| 117 | OSCR | Oscar Health, Inc. | Healthcare | 0.15% | $41,872.88 | $9.84B | 24.7 |
| 118 | BILL | Bill.com Holdings, Inc. | Technology | 0.15% | $40,052.32 | $3.89B | — |
| 119 | SNOW | Snowflake Inc. | Technology | 0.14% | $38,066.26 | $108.25B | — |
| 120 | TW | Tradeweb Markets Inc. | Financial Services | 0.13% | $36,328.45 | $24.52B | 27.2 |
| 121 | DOX | Amdocs Limited | Technology | 0.13% | $35,197.49 | $6.27B | 14.3 |
| 122 | LSTR | Landstar System, Inc. | Industrials | 0.11% | $29,901.32 | $5.83B | 44.5 |
| 123 | DINO | HF Sinclair Corporation | Energy | 0.11% | $29,459.97 | $22.27B | 11.9 |
| 124 | DKNG | DraftKings Inc. | Consumer Cyclical | 0.10% | $27,694.58 | $9.38B | — |
| 125 | RBLX | Roblox Corporation | Communication Services | 0.10% | $27,335.98 | $35.40B | — |
| 126 | NAVN | Navan, Inc. | Technology | 0.10% | $27,142.90 | $6.61B | — |
| 127 | KMX | CarMax, Inc. | Consumer Cyclical | 0.10% | $26,315.37 | $7.57B | 25.3 |
| 128 | MEDP | Medpace Holdings, Inc. | Healthcare | 0.09% | $25,874.02 | $17.26B | 36.3 |
| 129 | OPCH | Option Care Health, Inc. | Healthcare | 0.09% | $25,763.68 | $4.67B | 23.6 |
| 130 | ZS | Zscaler, Inc. | Technology | 0.09% | $25,708.51 | $33.81B | — |
| 131 | ROKU | Roku, Inc | Communication Services | 0.09% | $23,915.54 | $22.94B | 65.8 |
| 132 | ZM | Zoom Video Communications, Inc. | Technology | 0.08% | $21,763.97 | $27.48B | 8.7 |
| 133 | MCY | Mercury General Corporation | Financial Services | 0.08% | $21,736.38 | $5.69B | 6.1 |
| 134 | BMRN | BioMarin Pharmaceutical Inc. | Healthcare | 0.07% | $19,474.48 | $10.58B | 147.8 |
| 135 | NET | Cloudflare, Inc. | Technology | 0.07% | $19,391.72 | $105.51B | — |
| 136 | MDB | MongoDB, Inc. | Technology | 0.07% | $19,198.63 | $27.15B | 468.8 |
| 137 | QGEN | Qiagen N.V. | Healthcare | 0.06% | $17,267.74 | $9.53B | 23.4 |
| 138 | OUT | Outfront Media Inc. | Real Estate | 0.06% | $16,274.70 | $5.35B | 21.9 |
| 139 | TVTX | Travere Therapeutics, Inc. | Healthcare | 0.06% | $16,054.03 | $4.61B | — |
| 140 | WCC | WESCO International, Inc. | Industrials | 0.06% | $16,026.45 | $16.61B | 23.6 |
| 141 | YOU | Clear Secure, Inc. | Technology | 0.05% | $14,729.99 | $4.52B | 29.5 |
| 142 | BBWI | Bath & Body Works, Inc. | Consumer Cyclical | 0.05% | $13,350.77 | $4.06B | 5.3 |
| 143 | ESTC | Elastic N.V. | Technology | 0.04% | $12,219.82 | $9.63B | 26.2 |
| 144 | NVT | nVent Electric plc | Industrials | 0.04% | $11,364.71 | $22.99B | 39.3 |
| 145 | Z | Zillow Group, Inc | Communication Services | 0.04% | $10,978.53 | $6.93B | 134.0 |
| 146 | PCTY | Paylocity Holding Corporation | Technology | 0.04% | $9,847.57 | $9.21B | 33.8 |
| 147 | MKL | Markel Corporation | Financial Services | 0.03% | $9,323.47 | $22.92B | 10.2 |
| 148 | GGG | Graco Inc. | Industrials | 0.03% | $9,157.97 | $13.28B | 25.8 |
| 149 | FTI | TechnipFMC plc | Energy | 0.03% | $7,668.42 | $27.32B | 24.3 |
| 150 | SOLS | Solstice Advanced Materials, Inc | Basic Materials | 0.03% | $7,392.58 | $9.41B | 44.9 |
| 151 | SCCO | Southern Copper Corporation | Basic Materials | 0.02% | $6,702.97 | $169.30B | 29.9 |
| 152 | NSC | Norfolk Southern Corporation | Industrials | 0.02% | $5,213.42 | $73.43B | 27.9 |
| 153 | AFG | American Financial Group, Inc. | Financial Services | 0.02% | $4,827.24 | $12.37B | 13.0 |
| 154 | MORN | Morningstar, Inc. | Financial Services | 0.02% | $4,772.07 | $7.78B | 19.7 |
| 155 | TENB | Tenable Holdings, Inc. | Technology | 0.01% | $3,613.54 | $4.10B | 620.0 |
| 156 | KLIC | Kulicke and Soffa Industries, Inc. | Technology | 0.01% | $2,923.93 | $4.11B | 36.1 |
| 157 | EQH | Equitable Holdings, Inc. | Financial Services | 0.01% | $2,813.59 | $14.51B | — |
| 158 | OGN | Organon & Co. | Healthcare | 0.01% | $2,372.24 | $3.61B | 17.6 |
| 159 | SLAB | Silicon Laboratories Inc. | Technology | 0.01% | $1,710.22 | $7.37B | — |
| 160 | KNX | Knight-Swift Transportation Holdings Inc. | Industrials | 0.00% | $717.19 | $10.55B | 240.0 |
| 161 | ZWS | Zurn Elkay Water Solutions Corporation | Industrials | 0.00% | $496.52 | $7.81B | 29.2 |
| 162 | ALHC | Alignment Healthcare, Inc. | Healthcare | 0.00% | $496.52 | $1.72B | 43.6 |
Weights as a percentage of net assets. Value held = weight × net assets ($27.6M). Market cap and P/E from each company's latest fundamentals (U.S.-listed stocks).
FBUF sector breakdown
| Sector | Weight | Holdings | Largest |
|---|---|---|---|
| Technology | 38.0% | 49 | NVDA, AAPL, MSFT |
| Financial Services | 11.7% | 21 | BRK.B, JPM, V |
| Healthcare | 9.4% | 21 | LLY, ABBV, UNH |
| Communication Services | 8.5% | 8 | GOOGL, META, GOOG |
| Consumer Cyclical | 7.3% | 11 | AMZN, TSLA, ABNB |
| Industrials | 7.0% | 24 | GEV, RTX, TT |
| Consumer Defensive | 3.2% | 6 | COST, WMT, MO |
| Energy | 3.1% | 8 | XOM, CVX, KMI |
| Basic Materials | 1.3% | 5 | NUE, CRH, ECL |
| Real Estate | 1.1% | 4 | AMT, PLD, LAMR |
| Other | 1.1% | 3 | GCP, CZN, PPB |
| Utilities | 0.8% | 2 | SRE, PPL |
Sum of the weights of the holdings in each sector.
FBUF top industries
FBUF overlap with other ETFs
| ETF | Fund | Overlap | Shared holdings | Expense ratio |
|---|---|---|---|---|
| FHEQ | Fidelity Hedged Equity ETF | 84.0% | 142 of 170 | 0.50% |
| FYEE | Fidelity Yield Enhanced Equity ETF | 82.5% | 137 of 166 | 0.27% |
| FELC | Fidelity Covington ETF | 81.9% | 140 of 210 | 0.18% |
| SPY | SPDR S&P 500 ETF | 63.2% | 102 of 502 | 0.09% |
| BSEP | Innovator S&P 500 Buffer ETF - September | 63.0% | 102 of 499 | 0.81% |
| XTR | Global X S&P 500 Tail Risk ETF | 63.0% | 102 of 501 | 0.24% |
Overlap = sum over shared holdings of the smaller of the two weights. 100% means identical portfolios.
About the FBUF portfolio
Fidelity Dynamic Buffered Equity ETF holds 162 positions. The ten largest make up 37.0% of the fund and the top 50 68.1%, so it behaves like a portfolio of about 40 equally weighted stocks. The biggest positions are NVIDIA Corporation (7.69%), Apple Inc. (7.03%), Microsoft Corporation (4.81%), Amazon.com, Inc. (3.99%), Alphabet Inc. (2.99%).
By sector, Technology is 38.0%, Financial Services is 11.7%, Healthcare is 9.4%. Holdings data is from the fund's latest portfolio as reported by EODHD on October 23, 2026; positions change as the fund rebalances.
Related: FBUF chart, FBUF performance, FBUF dividends, FBUF valuation, FBUF overview.
FBUF holdings FAQ
How many holdings does FBUF have?
FBUF holds 162 positions as of October 23, 2026.
What are the top 10 holdings of FBUF?
The ten largest holdings are NVIDIA Corporation (7.69%), Apple Inc. (7.03%), Microsoft Corporation (4.81%), Amazon.com, Inc. (3.99%), Alphabet Inc. (2.99%), Broadcom Inc. (2.54%), Meta Platforms, Inc. (2.44%), Alphabet Inc. (1.99%), Berkshire Hathaway Inc. (1.84%), Eli Lilly and Company (1.69%). Together they are 37.0% of the fund.
What percentage of FBUF is NVIDIA Corporation?
NVIDIA Corporation is the largest holding at 7.69% of net assets, about $2.1M of the fund's $27.6M.
Which sector is the largest in FBUF?
Technology is the largest sector at 38.0%, followed by Financial Services (11.7%) and Healthcare (9.4%), based on the sectors of the individual holdings.
How concentrated is FBUF?
The top 10 holdings are 37.0% of the fund. By the effective number of holdings (1 divided by the sum of squared weights) FBUF behaves like a portfolio of about 40 equally weighted stocks.