Tower Research Capital LLC (TRC)
Top Portfolio Positions
4,200 positions ·
$2,867,528,402 total
· as of Mar 31, 2026
| Ticker | Company | Shares | Value (USD) | % of Portfolio | Open |
|---|---|---|---|---|---|
| QQQ |
Invesco Qqq Trust, Series 1
|
241,703 | $139,506,137 | 4.87% | |
| AAPL |
Apple Inc.
Technology
|
441,968 | $112,167,057 | 3.91% | |
| MSFT |
Microsoft Corp
Technology
|
252,983 | $93,646,716 | 3.27% | |
| MU |
Micron Technology Inc
Technology
|
268,948 | $90,861,391 | 3.17% | |
| TSLA |
Tesla, Inc.
Consumer Cyclical
|
186,139 | $69,197,172 | 2.41% | |
| NVDA |
Nvidia Corp
Technology
|
376,365 | $65,638,055 | 2.29% | |
| AVGO |
Broadcom Inc.
Technology
|
179,070 | $55,423,955 | 1.93% | |
| GOOGL |
Alphabet Inc.
Communication Services
|
169,323 | $48,690,521 | 1.70% | |
| SPY |
Spdr S&P 500 ETF Trust
|
54,144 | $35,212,007 | 1.23% | |
| AMZN |
Amazon Com Inc
Consumer Cyclical
|
150,819 | $31,411,072 | 1.10% |
Portfolio Trend
25 quarters · across all stocks
Holdings in ISTR
Shares Held
Position Value (USD)
18 quarters on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $28,551 | 1,047 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $10,981 | 411 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $12,324 | 531 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $56,008 | 2,899 | Shares | Defined | 2025-08-15 | |
| 2025-03-31 | $9,438 | 536 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $15,832 | 721 | Shares | Defined | 2025-02-13 | |
| 2024-09-30 | $30,613 | 1,578 | Shares | Defined | 2024-11-14 | |
| 2024-03-31 | $2,584 | 158 | Shares | Other | 2024-05-15 | |
| 2023-09-30 | $1,059 | 100 | Shares | Other | 2023-11-14 | |
| 2023-06-30 | $3,524 | 291 | Shares | Other | 2023-08-14 | |
| 2023-03-31 | $6,323 | 453 | Shares | Other | 2023-05-09 | |
| 2022-12-31 | $2,411 | 112 | Shares | Other | 2023-02-10 | |
| 2022-06-30 | $2,452 | 112 | Shares | Other | 2022-08-15 | |
| 2021-12-31 | $6,038 | 328 | Shares | Other | 2022-02-14 | |
| 2021-03-31 | $27,947 | 1,360 | Shares | Other | 2021-05-17 | |
| 2020-12-31 | $68,078 | 4,116 | Shares | Defined | 2021-02-16 | |
| 2020-09-30 | $132,815 | 10,360 | Shares | Defined | 2020-11-16 | |
| 2020-06-30 | $41,411 | 2,856 | Shares | Other | 2020-08-13 | |
| No 13F history on record for this holder in this stock. | ||||||