Potomac Fund Management Inc holds a concentrated book of 105 stocks worth $2.9B as of Q1 2026 (disclosed May 14, 2026, a ~44-day 13F lag). This quarter they opened Invesco Optimum Yield Divers and trimmed Bondbloxx BBG 6 MTH US Treas. Their largest long position is Ishares Core S&P 500 ETF at 68% of the equity book.
Top-heavy: concentrated book
Share of the disclosed book in its largest positions. A higher top-5 share means a more concentrated, higher-conviction portfolio.
3% mapped to company sectors
Direct operating-company sectors from our SIC-based security master. ETF/fund and unclassified holdings stay visible separately; this is not ETF look-through exposure.
Estimated $ traded · quarter-end prices (an exit at the prior quarter-end), no cost basis
Other tracked managers holding the same core names as Potomac Fund Management Inc
| Manager / fund | Shared names | Their $ in those |
|---|---|---|
| Envestnet Asset Management Inc | 80 / 80 | $83.6B |
| Osaic Holdings, Inc. | 80 / 80 | $12.5B |
| LPL Financial LLC | 79 / 80 | $60.0B |
| UBS Group AG | 77 / 80 | $109.1B |
| Wells Fargo & Company | 76 / 80 | $126.2B |
| Harbour Investments, Inc. | 76 / 80 | $813.9M |
| AssetMark, Inc | 75 / 80 | $8.3B |
| Morgan Stanley | 74 / 80 | $394.7B |
Ranked by the share of each fund's own book sitting in the names it shares with Potomac Fund Management Inc: only funds sharing at least a tenth of the book qualify. Index giants, bank custody books and market makers are excluded. They hold everything, so their overlap says nothing.
Bars show each stock's share of the portfolio. Click a row for its position history.
| # | Security | Value | Shares | % Port | Last move | History |
|---|---|---|---|---|---|---|
| 1 | Ishares TR CORE S&P500 ETF | $2.0B | 3.02M | 68.4% | ▲2k× Added · +3.0M sh | |
| 2 | Bondbloxx ETF Trust BLOOMBERG SIX MN | $323.0M | 6.42M | 11.2% | ▼−21% Reduced · −1.7M sh | |
| 3 | Ishares TR 0-3 MNTH TREASRY | $91.2M | 905.7K | 3.2% | ▲+5.9% Added · +50K sh | |
| 4 | Northern LTS FD TR IV MAIN SECTR ROTN | $50.3M | 832.5K | 1.7% | ▲+1.0% Added · +8K sh | |
| 5 | Invesco Actvely MNGD Etc FD OPTIMUM YIELD | $29.1M | 1.68M | 1.0% | ▲New New position | |
| 6 | Litman Gregory FDS TR IMGP DBI MANAGED | $28.5M | 945.0K | 1.0% | ▲+10.0% Added · +86K sh | |
| 7 | Kraneshares Trust MOUNT LUCAS ETF | $28.1M | 995.4K | 1.0% | ▲New New position | |
| 8 | Invesco DB US DLR Index TR BULLISH FD | $28.0M | 1.01M | 1.0% | ▲New New position | |
| 9 | Wisdomtree TR JAPN HEDGE EQT | $25.2M | 158.9K | 0.9% | ▼−0.8% Reduced · −1K sh | |
| 10 | Select Sector SPDR TR STATE STREET HEA | $25.2M | 171.8K | 0.9% | ▲+14% Added · +21K sh | |
| 11 | Select Sector SPDR TR STATE STREET CON | $24.8M | 302.7K | 0.9% | ▲New New position | |
| 12 | Vanguard World FD HEALTH CAR ETF | $24.8M | 91.1K | 0.9% | ▲+14% Added · +11K sh | |
| 13 | Ea Series Trust ASTORIA US EQUAL | $24.2M | 681.7K | 0.8% | ▲New New position | |
| 14 | Global X FDS GLOBAL X SILVER | $16.1M | 179.2K | 0.6% | ▲+9.3% Added · +15K sh | |
| 15 | Vaneck ETF Trust SEMICONDUCTR ETF | $15.8M | 41.2K | 0.5% | ▲+5.8% Added · +2K sh | |
| 16 | Ishares TR LATN AMER 40 ETF | $15.7M | 440.8K | 0.5% | ▼−4.1% Reduced · −19K sh | |
| 17 | SPDR Series Trust STATE STREET SPD | $15.6M | 144.4K | 0.5% | ▲+9.7% Added · +13K sh | |
| 18 | Ishares TR US AER DEF ETF | $15.5M | 70.9K | 0.5% | ▲New New position | |
| 19 | Ishares TR EAFE VALUE ETF | $15.3M | 206.4K | 0.5% | ▲New New position | |
| 20 | Select Sector SPDR TR STATE STREET ENE | $14.7M | 240.3K | 0.5% | ▲New New position | |
| 21 | Northern LTS FD TR IV MAIN BUYWRITE | $10.0M | 713.6K | 0.3% | ▲+1.5% Added · +10K sh | |
| 22 | Advisors Inner Circle FD II 3EDGE DYNAMIC FI | $7.9M | 320.7K | 0.3% | ▲+204% Added · +215K sh | |
| 23 | Advisors Inner Circle FD II 3EDGE DYNAMIC HA | $2.7M | 78.8K | 0.1% | ▼−18% Reduced · −17K sh | |
| 24 | Shell PLC SPON ADS | $2.5M | 26.9K | 0.1% | ▲+2.3% Added · +612 sh | |
| 25 | Northern LTS FD TR IV MAIN THEMATC IN | $2.4M | 104.1K | 0.1% | ▼−0.6% Reduced · −630 sh | |
| 26 | Microsoft Corp COM | $2.3M | 6.3K | 0.1% | ▲+3.0% Added · +183 sh | |
| 27 | SPDR Series Trust STATE STREET SPD | $2.3M | 30.5K | 0.1% | ▲New New position | |
| 28 | L3harris Technologies Inc COM | $2.3M | 6.7K | 0.1% | ▼−8.6% Reduced · −626 sh | |
| 29 | Gilead Sciences Inc COM | $2.3M | 16.2K | 0.1% | ▼−5.3% Reduced · −912 sh | |
| 30 | JPMorgan Chase & Co COM | $2.1M | 7.0K | 0.1% | ▲+2.3% Added · +159 sh | |
| 31 | AstraZeneca PLC ORD | $2.1M | 10.4K | 0.1% | ▲New New position | |
| 32 | Wells Fargo & Co COM | $2.0M | 24.8K | 0.1% | ▲+2.5% Added · +616 sh | |
| 33 | Honeywell Intl Inc COM | $2.0M | 8.7K | 0.1% | ▲+2.7% Added · +227 sh | |
| 34 | McDonalds Corp COM | $1.9M | 6.2K | 0.1% | ▲+3.2% Added · +192 sh | |
| 35 | Procter & Gamble Co COM | $1.7M | 11.7K | 0.1% | ▲+5.0% Added · +558 sh | |
| 36 | Advisors Inner Circle FD II 3EDGE DYNAMIC US | $1.7M | 60.1K | 0.1% | ▲+26% Added · +13K sh | |
| 37 | Home Depot Inc COM | $1.7M | 5.1K | 0.1% | ▲+4.7% Added · +226 sh | |
| 38 | Abbott Laboratories COM | $1.6M | 15.5K | 0.1% | ▼−7.1% Reduced · −1K sh | |
| 39 | ConocoPhillips COM | $1.6M | 11.8K | 0.1% | ▲+2.8% Added · +319 sh | |
| 40 | Comcast Corp New CL A | $1.6M | 54.0K | 0.1% | ▲+7.2% Added · +4K sh | |
| 41 | US Bancorp COM NEW | $1.5M | 28.3K | 0.1% | ▲+2.1% Added · +595 sh | |
| 42 | Analog Devices Inc COM | $1.4M | 4.6K | 0.1% | ▼−14% Reduced · −761 sh | |
| 43 | PNC Finl Svcs Group Inc COM | $1.4M | 6.9K | 0.1% | ▲+2.0% Added · +136 sh | |
| 44 | Gallagher Arthur J & Co COM | $1.4M | 6.4K | 0.0% | ▲+9.1% Added · +535 sh | |
| 45 | Equinix Inc COM | $1.4M | 1.4K | 0.0% | ▲+2.8% Added · +38 sh | |
| 46 | Bank America Corp COM | $1.3M | 27.6K | 0.0% | ▲+2.4% Added · +649 sh | |
| 47 | Qnity Electronics Inc COMMON STOCK | $1.3M | 11.7K | 0.0% | ▼−1.4% Reduced · −162 sh | |
| 48 | Pepsico Inc COM | $1.2M | 7.8K | 0.0% | ▲+4.7% Added · +349 sh | |
| 49 | Te Connectivity PLC ORD SHS | $1.2M | 5.7K | 0.0% | ▲New New position | |
| 50 | Dupont De Nemours Inc COM | $1.2M | 25.7K | 0.0% | ▲+4.0% Added · +989 sh |
The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
This fund page is the Follow view. The Build view lets your agent pull holdings, quarter changes, overlap, and source filings through API or MCP.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/funds/826000/holdings"
Use Arkolith to show POTOMAC FUND MANAGEMENT INC /ADV's latest holdings, largest changes, and filing provenance.
As-of date vs the date the SEC received each filing
| Quarter | As of | Filed | Positions | Value | Form |
|---|---|---|---|---|---|
| Q1 2026 | Mar 31, 2026 | May 14, 2026 | 105 | $2.9B | 13F-HR |
| Q4 2025 | Dec 31, 2025 | Feb 13, 2026 | 108 | $2.7B | 13F-HR |
| Q3 2025 | Sep 30, 2025 | Nov 12, 2025 | 103 | $2.4B | 13F-HR |
| Q2 2025 | Jun 30, 2025 | Oct 2, 2025 | 97 | $1.7B | 13F-HR/A |
| Q1 2025 | Mar 31, 2025 | Oct 2, 2025 | 72 | $227.5M | 13F-HR/A |
| Q4 2024 | Dec 31, 2024 | Oct 2, 2025 | 97 | $1.7B | 13F-HR/A |
Holdings from SEC EDGAR 13F-HR filings, updated quarterly, filed up to 45 days after quarter-end. Public domain. The book and weighting are long equity only; disclosed put/call options are listed separately and excluded from those totals. Price-derived performance is withheld until the price-source policy and freshness gate are green.