Tower Research Capital LLC (TRC) holds a diversified book of 5081 stocks worth $3.8B as of Q1 2026 (disclosed May 15, 2026, a ~45-day 13F lag). This quarter they opened Ishares Core U.S. Aggregate and trimmed Apple Inc. Their largest long position is Invesco QQQ Trust Series 1 at 4% of the equity book. Cloning the disclosed picks since 2013 would be +237% (+10.0%/yr). That is a simulation of the disclosed long book, not audited returns.
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/1533421/holdings"
Use Arkolith to show Tower Research Capital LLC (TRC)'s latest holdings, largest changes, and filing provenance.
The reported book (valued from quarter-end) returned +309.1%, a 72.2-point gap that is the cost of the ~45-day 13F disclosure lag a real follower can't avoid.
Growth of $10,000 cloning Tower Research Capital LLC (TRC)'s disclosed long 13F book, rebalanced on each filing date (so it reflects the ~45-day reporting lag, no look-ahead), total-return basis (dividends reinvested), derived from end-of-day prices. “Their reported book” values the same picks from quarter-end, before they were public. S&P 500 is SPY total return over the same window. Excludes shorts, cash, options and non-13F holdings. Not investment advice.
Top-heavy: diversified book
Share of the disclosed book in its largest positions. A higher top-5 share means a more concentrated, higher-conviction portfolio.
70% 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, no cost basis
Other tracked managers holding the same core names as Tower Research Capital LLC (TRC)
| Manager / fund | Shared names | Their $ in those |
|---|---|---|
| MORGAN STANLEY | 80 / 80 | $617.2B |
| JPMORGAN CHASE & CO | 80 / 80 | $578.5B |
| WELLS FARGO & COMPANY/MN | 80 / 80 | $165.6B |
| UBS Group AG | 80 / 80 | $161.2B |
| PNC FINANCIAL SERVICES GROUP, INC. | 80 / 80 | $87.6B |
| BANK OF MONTREAL /CAN/ | 80 / 80 | $79.9B |
| LPL Financial LLC | 80 / 80 | $75.1B |
| FIFTH THIRD BANCORP | 80 / 80 | $23.1B |
Ranked by how many of Tower Research Capital LLC (TRC)'s top 80 disclosed names each fund also holds: a cross-fund conviction signal from the latest 13F of every tracked manager.
Bars show each stock's share of the portfolio. Click a row for its position history.
| # | Security | Value | Shares | % Port | Last move | History |
|---|---|---|---|---|---|---|
| 1 | Invesco QQQ TR UNIT SER 1 | $139.5M | 241.7K | 3.6% | ▲27k× Added · +242K sh | |
| 2 | Direxion Shares ETF Trust Daily SEMICONDUC | $114.1M | 2.38M | 3.0% | ▲9k× Added · +2.4M sh | |
| 3 | Apple Inc COM | $112.2M | 442.0K | 2.9% | ▼−44% Reduced · −353K sh | |
| 4 | Microsoft Corp COM | $93.6M | 253.0K | 2.4% | ▼−25% Reduced · −86K sh | |
| 5 | Micron Technology Inc COM | $90.9M | 268.9K | 2.4% | ▲+168% Added · +169K sh | |
| 6 | Tesla Inc COM | $69.2M | 186.1K | 1.8% | ▲+10% Added · +17K sh | |
| 7 | Nvidia Corporation COM | $65.6M | 376.4K | 1.7% | ▼−60% Reduced · −568K sh | |
| 8 | Broadcom Inc COM | $55.4M | 179.1K | 1.4% | ▼−29% Reduced · −75K sh | |
| 9 | Alphabet Inc Cap STK CL A | $48.7M | 169.3K | 1.3% | ▼−42% Reduced · −122K sh | |
| 10 | Ishares TR CORE US AGGBD ET | $39.7M | 400.4K | 1.0% | ▲New New position | |
| 11 | State STR SPDR S&P 500 ETF T TR UNIT | $35.2M | 54.1K | 0.9% | ▲79× Added · +53K sh | |
| 12 | Vaneck ETF Trust PHARMACEUTCL ETF | $31.6M | 304.5K | 0.8% | ▲35× Added · +296K sh | |
| 13 | Amazon Com Inc COM | $31.4M | 150.8K | 0.8% | ▼−70% Reduced · −348K sh | |
| 14 | JPMorgan Chase & Co COM | $29.4M | 99.9K | 0.8% | ▲+2.0% Added · +2K sh | |
| 15 | Meta Platforms Inc CL A | $28.1M | 49.2K | 0.7% | ▼−62% Reduced · −79K sh | |
| 16 | Alphabet Inc Cap STK CL C | $26.6M | 92.8K | 0.7% | ▼−68% Reduced · −197K sh | |
| 17 | Walmart Inc COM | $26.1M | 210.3K | 0.7% | ▲+30% Added · +49K sh | |
| 18 | SPDR Series Trust STATE STREET SPD | $25.3M | 755.5K | 0.7% | ▲New New position | |
| 19 | Chevron Corporation COM | $24.2M | 117.1K | 0.6% | ▲+87% Added · +55K sh | |
| 20 | Vodafone Group PLC SPONSORED ADR | $24.2M | 1.61M | 0.6% | ▲+21% Added · +275K sh | |
| 21 | Janus Detroit STR TR HENDRSON AAA CL | $23.8M | 473.4K | 0.6% | ▲New New position | |
| 22 | Shell PLC SPON ADS | $23.3M | 251.1K | 0.6% | ▲+481% Added · +208K sh | |
| 23 | GSK PLC SPONSORED ADR | $20.8M | 376.0K | 0.5% | ▲+64% Added · +147K sh | |
| 24 | Eli Lilly & Co COM | $20.1M | 21.8K | 0.5% | ▲+15% Added · +3K sh | |
| 25 | Costco Wholesale Corporation COM | $19.8M | 19.9K | 0.5% | ▼−42% Reduced · −14K sh | |
| 26 | Exxon Mobil Corp COM | $19.5M | 115.2K | 0.5% | ▲+59% Added · +43K sh | |
| 27 | BP PLC SPONSORED ADR | $19.5M | 414.6K | 0.5% | ▲+32% Added · +100K sh | |
| 28 | Netflix Inc. COM | $17.7M | 184.4K | 0.5% | ▼−43% Reduced · −139K sh | |
| 29 | Berkshire Hathaway Inc Del CL B NEW | $17.3M | 36.0K | 0.4% | ▼−30% Reduced · −15K sh | |
| 30 | Johnson & Johnson COM | $16.5M | 67.4K | 0.4% | ▲+11% Added · +7K sh | |
| 31 | Mastercard Incorporated CL A | $16.0M | 32.0K | 0.4% | ▲+48% Added · +10K sh | |
| 32 | AstraZeneca PLC ORD | $15.9M | 80.8K | 0.4% | ▲New New position | |
| 33 | Diageo PLC SPON ADR NEW | $15.8M | 212.8K | 0.4% | ▲+25% Added · +43K sh | |
| 34 | Sandisk Corp COM | $14.9M | 23.4K | 0.4% | ▲+330% Added · +18K sh | |
| 35 | Linde PLC SHS | $14.9M | 30.0K | 0.4% | ▼−10% Reduced · −3K sh | |
| 36 | Visa Inc COM CL A | $14.3M | 47.2K | 0.4% | ▼−14% Reduced · −8K sh | |
| 37 | Select Sector SPDR TR State Street IND | $13.9M | 85.7K | 0.4% | ▲New New position | |
| 38 | Applied Matls Inc COM | $13.7M | 40.0K | 0.4% | ▼−33% Reduced · −20K sh | |
| 39 | Analog Devices Inc COM | $13.1M | 41.1K | 0.3% | ▲+15% Added · +5K sh | |
| 40 | Ishares TR MSCI USA MIN VOL | $13.0M | 140.6K | 0.3% | ▲+286% Added · +104K sh | |
| 41 | Wisdomtree TR FLOATNG RAT TREA | $13.0M | 258.3K | 0.3% | ▼−60% Reduced · −383K sh | |
| 42 | Home Depot Inc COM | $12.8M | 39.0K | 0.3% | ▼−19% Reduced · −9K sh | |
| 43 | Vaneck ETF Trust OIL SERVICES ETF | $12.6M | 31.2K | 0.3% | ▲+376% Added · +25K sh | |
| 44 | Shopify Inc CL A SUB VTG SHS | $12.5M | 105.7K | 0.3% | ▲+71% Added · +44K sh | |
| 45 | ASML Hldg NV N Y Registry SHS | $12.3M | 9.3K | 0.3% | ▼−41% Reduced · −6K sh | |
| 46 | Palantir Technologies Inc CL A | $12.0M | 82.1K | 0.3% | ▼−52% Reduced · −89K sh | |
| 47 | Ishares TR RUS 2000 VAL ETF | $11.7M | 61.7K | 0.3% | ▲+365% Added · +48K sh | |
| 48 | T-Mobile US Inc COM | $11.3M | 53.8K | 0.3% | ▼~0% Reduced · −9 sh | |
| 49 | Vanguard Specialized Funds Div App ETF | $11.2M | 52.3K | 0.3% | ▲New New position | |
| 50 | Palo Alto Networks Inc COM | $11.0M | 68.6K | 0.3% | ▲+35% Added · +18K sh |
As-of date vs the date the SEC received each filing
| Quarter | As of | Filed | Positions | Value | Form |
|---|---|---|---|---|---|
| Q1 2026 | Mar 31, 2026 | May 15, 2026 | 6,440 | $3.8B | 13F-HR |
| Q4 2025 | Dec 31, 2025 | Feb 17, 2026 | 6,626 | $4.1B | 13F-HR |
| Q3 2025 | Sep 30, 2025 | Nov 14, 2025 | 7,635 | $3.6B | 13F-HR |
| Q2 2025 | Jun 30, 2025 | Aug 15, 2025 | 7,722 | $3.7B | 13F-HR |
| Q1 2025 | Mar 31, 2025 | May 15, 2025 | 7,604 | $3.4B | 13F-HR |
| Q4 2024 | Dec 31, 2024 | Feb 13, 2025 | 9,043 | $5.0B | 13F-HR |
| Q3 2024 | Sep 30, 2024 | Nov 14, 2024 | 8,770 | $3.8B | 13F-HR |
| Q2 2024 | Jun 30, 2024 | Aug 13, 2024 | 8,333 | $5.9B | 13F-HR |
| Q1 2024 | Mar 31, 2024 | May 15, 2024 | 8,675 | $4.2B | 13F-HR |
| Q4 2023 | Dec 31, 2023 | Feb 13, 2024 | 9,605 | $8.1B | 13F-HR |
| Q3 2023 | Sep 30, 2023 | Nov 14, 2023 | 9,639 | $3.2B | 13F-HR |
| Q2 2023 | Jun 30, 2023 | Aug 14, 2023 | 9,702 | $3.0B | 13F-HR |
| Q1 2023 | Mar 31, 2023 | May 9, 2023 | 8,994 | $3.1B | 13F-HR |
| Q4 2022 | Dec 31, 2022 | Feb 10, 2023 | 9,747 | $2.4B | 13F-HR |
| Q3 2022 | Sep 30, 2022 | Nov 10, 2022 | 9,869 | $6.2B | 13F-HR |
| Q2 2022 | Jun 30, 2022 | Aug 15, 2022 | 9,337 | $4.5B | 13F-HR |
| Q1 2022 | Mar 31, 2022 | May 12, 2022 | 9,397 | $10.5B | 13F-HR |
| Q4 2021 | Dec 31, 2021 | Feb 14, 2022 | 9,540 | $5.8B | 13F-HR |
| Q3 2021 | Sep 30, 2021 | Nov 15, 2021 | 9,132 | $3.9B | 13F-HR |
| Q2 2021 | Jun 30, 2021 | Aug 16, 2021 | 8,538 | $3.8B | 13F-HR |
| Q1 2021 | Mar 31, 2021 | May 17, 2021 | 8,509 | $5.9B | 13F-HR |
| Q4 2020 | Dec 31, 2020 | Feb 16, 2021 | 8,157 | $3.3B | 13F-HR |
| Q3 2020 | Sep 30, 2020 | Nov 16, 2020 | 7,398 | $9.0B | 13F-HR |
| Q2 2020 | Jun 30, 2020 | Aug 13, 2020 | 6,981 | $2.4B | 13F-HR |
Holdings from SEC EDGAR 13F-HR filings, updated quarterly ~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. The performance line is a simulation of the disclosed long book, not an audited return.