Tower Research Capital LLC (TRC) — 13F Holdings & Portfolio
CIK 1533421 · latest 13F-HR filed 2026-05-15
Tower Research Capital LLC (TRC) manages $3.85B in 13F-reported U.S. long-equity assets across 6,440 reported positions as of its 2026-03-31 13F-HR filing. Its largest disclosed positions are QQQ (3.63%), SOXL (2.96%), AAPL (2.80%). Quarter over quarter (versus its 2025-12-31 filing) the fund opened 715 new positions, exited 748, added to 2,510, and trimmed 1,650.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
$3.85B
Long-equity book
6,440
Distinct positions
2026-03-31
Filed 2026-05-15
+715 / −748 / ↑2510 / ↓1650
vs 2025-12-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- INVESCO QQQ TR$139.5M +2523071.2%
- DIREXION SHARES ETF TRUST DAILY$114.1M +1012697.2%
- MICRON TECHNOLOGY INC$62.3M +217.7%
- STATE STR SPDR S&P$34.7M +7416.2%
- VANECK ETF TRUST$30.7M +3403.5%
Top Trims
- NVIDIA CORPORATION-$110.5M -62.7%
- APPLE INC-$104.1M -48.1%
- AMAZON COM INC-$83.6M -72.7%
- MICROSOFT CORP-$70.3M -42.9%
- ALPHABET INC CAP-$64.2M -70.7%
New Positions
- ISHARES TR$39.7M
- SPDR SERIES TRUST$25.3M
- JANUS DETROIT STR TR$23.8M
- ASTRAZENECA PLC$15.9M
- SELECT SECTOR SPDR TR STATE STREET$13.9M
Exited Positions
- SPDR SERIES TRUST$58.1M
- PGIM ETF TR$12.5M
- J P MORGAN EXCHANGE TRADED F$11.4M
- FRANKLIN TEMPLETON ETF TR$7.7M
- DIREXION SHS ETF TR$7.2M
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | INVESCO QQQ TR | QQQ | 46090E103 | $139.5M | 3.63% | 241,703 | SH |
| 2 | DIREXION SHARES ETF TRUST DAILY | SOXL | 25459W458 | $114.1M | 2.96% | 2,381,160 | SH |
| 3 | APPLE INC | AAPL | 037833100 | $107.8M | 2.80% | 424,763 | SH |
| 4 | MICROSOFT CORP | MSFT | 594918104 | $92.3M | 2.40% | 249,287 | SH |
| 5 | MICRON TECHNOLOGY INC | MU | 595112103 | $73.7M | 1.92% | 218,270 | SH |
| 6 | BROADCOM INC | AVGO | 11135F101 | $55.4M | 1.44% | 178,865 | SH |
| 7 | NVIDIA CORPORATION | NVDA | 67066G104 | $54.0M | 1.40% | 309,691 | SH |
| 8 | TESLA INC | TSLA | 88160R101 | $54.0M | 1.40% | 145,253 | SH |
| 9 | ALPHABET INC CAP STK | GOOGL | 02079K305 | $48.7M | 1.27% | 169,323 | SH |
| 10 | ISHARES TR | AGG | 464287226 | $39.7M | 1.03% | 400,143 | SH |
| 11 | STATE STR SPDR S&P | SPY | 78462F103 | $32.3M | 0.84% | 49,684 | SH |
| 12 | VANECK ETF TRUST | PPH | 92189F692 | $31.6M | 0.82% | 304,465 | SH |
| 13 | JPMORGAN CHASE & CO | JPM | 46625H100 | $29.4M | 0.76% | 99,893 | SH |
| 14 | META PLATFORMS INC | META | 30303M102 | $28.1M | 0.73% | 49,165 | SH |
| 15 | AMAZON COM INC | AMZN | 023135106 | $27.4M | 0.71% | 131,344 | SH |
| 16 | ALPHABET INC CAP | GOOG | 02079K107 | $26.6M | 0.69% | 92,814 | SH |
| 17 | WALMART INC | WMT | 931142103 | $25.9M | 0.67% | 208,123 | SH |
| 18 | SPDR SERIES TRUST | SPIB | 78464A375 | $25.3M | 0.66% | 755,550 | SH |
| 19 | CHEVRON CORPORATION | CVX | 166764100 | $24.1M | 0.63% | 116,657 | SH |
| 20 | VODAFONE GROUP PLC | VOD | 92857W308 | $24.1M | 0.63% | 1,604,942 | SH |
| 21 | JANUS DETROIT STR TR | JAAA | 47103U845 | $23.8M | 0.62% | 473,439 | SH |
| 22 | SHELL PLC | SHEL | 780259305 | $23.3M | 0.61% | 251,055 | SH |
| 23 | GSK PLC | GSK | 37733W204 | $20.7M | 0.54% | 375,972 | SH |
| 24 | ELI LILLY & CO | LLY | 532457108 | $20.1M | 0.52% | 21,847 | SH |
| 25 | COSTCO WHOLESALE CORPORATION | COST | 22160K105 | $19.7M | 0.51% | 19,743 | SH |
| 26 | EXXON MOBIL CORP | XOM | 30231G102 | $19.5M | 0.51% | 115,151 | SH |
| 27 | BP PLC | BP | 055622104 | $19.5M | 0.51% | 414,562 | SH |
| 28 | NETFLIX INC. | NFLX | 64110L106 | $17.6M | 0.46% | 183,349 | SH |
| 29 | BERKSHIRE HATHAWAY INC DEL | BRK.B | 084670702 | $17.3M | 0.45% | 36,009 | SH |
| 30 | MICRON TECHNOLOGY INC | MU | 595112103 | $17.1M | 0.44% | 50,678 | SH |
| 31 | JOHNSON & JOHNSON | JNJ | 478160104 | $16.5M | 0.43% | 67,436 | SH |
| 32 | MASTERCARD INCORPORATED | MA | 57636Q104 | $16.0M | 0.41% | 31,953 | SH |
| 33 | ASTRAZENECA PLC | AZN | G0593M107 | $15.9M | 0.41% | 80,835 | SH |
| 34 | DIAGEO PLC | DEO | 25243Q205 | $15.7M | 0.41% | 211,308 | SH |
| 35 | TESLA INC | TSLA | 88160R101 | $15.2M | 0.39% | 40,886 | SH |
| 36 | LINDE PLC | LIN | G54950103 | $14.6M | 0.38% | 29,385 | SH |
| 37 | VISA INC | V | 92826C839 | $14.3M | 0.37% | 47,231 | SH |
| 38 | SELECT SECTOR SPDR TR STATE STREET | XLI | 81369Y704 | $13.9M | 0.36% | 85,664 | SH |
| 39 | APPLIED MATLS INC | AMAT | 038222105 | $13.7M | 0.36% | 39,984 | SH |
| 40 | ANALOG DEVICES INC | ADI | 032654105 | $13.1M | 0.34% | 41,050 | SH |
| 41 | ISHARES TR | USMV | 46429B697 | $13.0M | 0.34% | 140,619 | SH |
| 42 | WISDOMTREE TR | USFR | 97717Y527 | $13.0M | 0.34% | 258,347 | SH |
| 43 | HOME DEPOT INC | HD | 437076102 | $12.8M | 0.33% | 38,972 | SH |
| 44 | VANECK ETF TRUST | OIH | 92189H607 | $12.6M | 0.33% | 31,181 | SH |
| 45 | SHOPIFY INC | SHOP | 82509L107 | $12.5M | 0.32% | 104,973 | SH |
| 46 | ISHARES TR | IWN | 464287630 | $11.7M | 0.30% | 61,728 | SH |
| 47 | NVIDIA CORPORATION | NVDA | 67066G104 | $11.6M | 0.30% | 66,674 | SH |
| 48 | VANGUARD SPECIALIZED FUNDS DIV APP | VIG | 921908844 | $11.2M | 0.29% | 52,252 | SH |
| 49 | T-MOBILE US INC | TMUS | 872590104 | $11.2M | 0.29% | 53,461 | SH |
| 50 | PALO ALTO NETWORKS INC | PANW | 697435105 | $11.0M | 0.29% | 68,639 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-03-31 | 2026-05-15 | $3.85B | 6,440 | 0001533421-26-000006 |
| 2025-12-31 | 2026-02-17 | $4.13B | 6,626 | 0001533421-26-000004 |
| 2025-09-30 | 2025-11-14 | $3.62B | 7,635 | 0001533421-25-000019 |